rms | e37360817ca1827b57733bcbc87029a41af2f9edb3318555b6065c0b8cf71e46

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-03-2024 18:24

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General

Target

d97f291a3f61d51ef5b1b88ddb5a1323.exe
Size

6.2MB
MD5

d97f291a3f61d51ef5b1b88ddb5a1323
SHA1

fa572033baa1e5f0d4192a7163127e331e864209
SHA256

e37360817ca1827b57733bcbc87029a41af2f9edb3318555b6065c0b8cf71e46
SHA512

e11b2c6039c5391e57a617ff8456b8ff633d66eaafb1e5de639830af406ebed78afac95b81b813f253cd00a6e1c570b9de3e863a62d91b2d5fce64ff0fb9cb01
SSDEEP

196608:hPO1tdNQ/gLyzFQgR/CdRFbxCpgDYihHFAel06:hm3Q42zFQY6d7xVYAAel06

Score

10^/10

rms rat trojan

Malware Config

Signatures

RMS
Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
trojan rat rms

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d97f291a3f61d51ef5b1b88ddb5a1323.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	d97f291a3f61d51ef5b1b88ddb5a1323.exe

Executes dropped EXE 10 IoCs

Processes:

rfusclient.exerutserv.exerfusclient.exerutserv.exerfusclient.exerutserv.exerutserv.exerfusclient.exerfusclient.exerfusclient.exe

pid	process
3432	rfusclient.exe
1944	rutserv.exe
2300	rfusclient.exe
4592	rutserv.exe
4904	rfusclient.exe
5004	rutserv.exe
4368	rutserv.exe
3192	rfusclient.exe
1068	rfusclient.exe
1964	rfusclient.exe

Loads dropped DLL 23 IoCs

Processes:

MsiExec.exerfusclient.exerutserv.exerfusclient.exerutserv.exerfusclient.exerutserv.exerutserv.exerfusclient.exerfusclient.exerfusclient.exe

pid	process
5016	MsiExec.exe
3432	rfusclient.exe
3432	rfusclient.exe
3432	rfusclient.exe
1944	rutserv.exe
2300	rfusclient.exe
2300	rfusclient.exe
2300	rfusclient.exe
4592	rutserv.exe
4904	rfusclient.exe
4904	rfusclient.exe
4904	rfusclient.exe
5004	rutserv.exe
4368	rutserv.exe
3192	rfusclient.exe
3192	rfusclient.exe
1068	rfusclient.exe
1068	rfusclient.exe
1068	rfusclient.exe
3192	rfusclient.exe
1964	rfusclient.exe
1964	rfusclient.exe
1964	rfusclient.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exe

description	ioc	process
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe

Drops file in System32 directory 17 IoCs

Processes:

msiexec.exerutserv.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sysfiles\rfusclient.exe	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\ripcserver.dll	msiexec.exe
File created	C:\Windows\SysWOW64\RWLN.dll	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\RWLN.dll	rutserv.exe
File created	C:\Windows\SysWOW64\sysfiles\dsfvorbisencoder.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\msimg32.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\msvcp90.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\msvcr90.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\oledlg.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\vp8decoder.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\vp8encoder.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\gdiplus.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\microsoft.vc90.crt.manifest	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\rasadhlp.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\rutserv.exe	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\rwln.dll	msiexec.exe
File created	C:\Windows\SysWOW64\sysfiles\dsfvorbisdecoder.dll	msiexec.exe

Drops file in Windows directory 11 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\Installer\SourceHash{AB7AA605-500F-4153-8207-FB5563419112}	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\e574153.msi	msiexec.exe
File created	C:\Windows\Installer\{AB7AA605-500F-4153-8207-FB5563419112}\ARPPRODUCTICON.exe	msiexec.exe
File opened for modification	C:\Windows\Installer\{AB7AA605-500F-4153-8207-FB5563419112}\ARPPRODUCTICON.exe	msiexec.exe
File created	C:\Windows\Installer\e57414f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e57414f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4249.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4382.tmp	msiexec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 18 IoCs

Processes:

rfusclient.exerfusclient.exerfusclient.exemsiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	rfusclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\23	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	rfusclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	rfusclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	rfusclient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	rfusclient.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22	msiexec.exe

Modifies registry class 24 IoCs

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\506AA7BAF00535142870BF5536141921	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\506AA7BAF00535142870BF5536141921\Remote_Office_Manager	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Media\1 = "DISK1;1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\7ZipSfx.000\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Media\DiskPrompt = "[1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\ProductName = "Microsoft Visual C++ 2008 Redistributable - x86 10.0.743894.2047"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\509B38EF4554FFD4794F292971C81B17	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\509B38EF4554FFD4794F292971C81B17\506AA7BAF00535142870BF5536141921	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\Clients = 3a0000000000	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\Language = "1049"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\ProductIcon = "C:\\Windows\\Installer\\{AB7AA605-500F-4153-8207-FB5563419112}\\ARPPRODUCTICON.exe"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\PackageName = "RtlUpd.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\PackageCode = "558594499A0F7BE41A10BED2C55AA173"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\Version = "97648640"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\506AA7BAF00535142870BF5536141921\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7ZipSfx.000\\"	msiexec.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3716 PING.EXE

pid	process
3716	PING.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

msiexec.exerutserv.exerutserv.exerutserv.exerutserv.exerfusclient.exe

pid	process
4404	msiexec.exe
4404	msiexec.exe
1944	rutserv.exe
1944	rutserv.exe
4592	rutserv.exe
4592	rutserv.exe
5004	rutserv.exe
5004	rutserv.exe
4368	rutserv.exe
4368	rutserv.exe
4368	rutserv.exe
4368	rutserv.exe
4368	rutserv.exe
4368	rutserv.exe
3192	rfusclient.exe
3192	rfusclient.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

rfusclient.exe

pid process

1964 rfusclient.exe

pid	process
1964	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exemsiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	64	msiexec.exe
Token: SeIncreaseQuotaPrivilege	64	msiexec.exe
Token: SeSecurityPrivilege	4404	msiexec.exe
Token: SeCreateTokenPrivilege	64	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	64	msiexec.exe
Token: SeLockMemoryPrivilege	64	msiexec.exe
Token: SeIncreaseQuotaPrivilege	64	msiexec.exe
Token: SeMachineAccountPrivilege	64	msiexec.exe
Token: SeTcbPrivilege	64	msiexec.exe
Token: SeSecurityPrivilege	64	msiexec.exe
Token: SeTakeOwnershipPrivilege	64	msiexec.exe
Token: SeLoadDriverPrivilege	64	msiexec.exe
Token: SeSystemProfilePrivilege	64	msiexec.exe
Token: SeSystemtimePrivilege	64	msiexec.exe
Token: SeProfSingleProcessPrivilege	64	msiexec.exe
Token: SeIncBasePriorityPrivilege	64	msiexec.exe
Token: SeCreatePagefilePrivilege	64	msiexec.exe
Token: SeCreatePermanentPrivilege	64	msiexec.exe
Token: SeBackupPrivilege	64	msiexec.exe
Token: SeRestorePrivilege	64	msiexec.exe
Token: SeShutdownPrivilege	64	msiexec.exe
Token: SeDebugPrivilege	64	msiexec.exe
Token: SeAuditPrivilege	64	msiexec.exe
Token: SeSystemEnvironmentPrivilege	64	msiexec.exe
Token: SeChangeNotifyPrivilege	64	msiexec.exe
Token: SeRemoteShutdownPrivilege	64	msiexec.exe
Token: SeUndockPrivilege	64	msiexec.exe
Token: SeSyncAgentPrivilege	64	msiexec.exe
Token: SeEnableDelegationPrivilege	64	msiexec.exe
Token: SeManageVolumePrivilege	64	msiexec.exe
Token: SeImpersonatePrivilege	64	msiexec.exe
Token: SeCreateGlobalPrivilege	64	msiexec.exe
Token: SeShutdownPrivilege	1648	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1648	msiexec.exe
Token: SeCreateTokenPrivilege	1648	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1648	msiexec.exe
Token: SeLockMemoryPrivilege	1648	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1648	msiexec.exe
Token: SeMachineAccountPrivilege	1648	msiexec.exe
Token: SeTcbPrivilege	1648	msiexec.exe
Token: SeSecurityPrivilege	1648	msiexec.exe
Token: SeTakeOwnershipPrivilege	1648	msiexec.exe
Token: SeLoadDriverPrivilege	1648	msiexec.exe
Token: SeSystemProfilePrivilege	1648	msiexec.exe
Token: SeSystemtimePrivilege	1648	msiexec.exe
Token: SeProfSingleProcessPrivilege	1648	msiexec.exe
Token: SeIncBasePriorityPrivilege	1648	msiexec.exe
Token: SeCreatePagefilePrivilege	1648	msiexec.exe
Token: SeCreatePermanentPrivilege	1648	msiexec.exe
Token: SeBackupPrivilege	1648	msiexec.exe
Token: SeRestorePrivilege	1648	msiexec.exe
Token: SeShutdownPrivilege	1648	msiexec.exe
Token: SeDebugPrivilege	1648	msiexec.exe
Token: SeAuditPrivilege	1648	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1648	msiexec.exe
Token: SeChangeNotifyPrivilege	1648	msiexec.exe
Token: SeRemoteShutdownPrivilege	1648	msiexec.exe
Token: SeUndockPrivilege	1648	msiexec.exe
Token: SeSyncAgentPrivilege	1648	msiexec.exe
Token: SeEnableDelegationPrivilege	1648	msiexec.exe
Token: SeManageVolumePrivilege	1648	msiexec.exe
Token: SeImpersonatePrivilege	1648	msiexec.exe
Token: SeCreateGlobalPrivilege	1648	msiexec.exe
Token: SeShutdownPrivilege	1064	msiexec.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

d97f291a3f61d51ef5b1b88ddb5a1323.execmd.exemsiexec.exerfusclient.exerfusclient.exerfusclient.exerutserv.exerfusclient.exe

description	pid	process	target process
PID 1296 wrote to memory of 2240	1296	d97f291a3f61d51ef5b1b88ddb5a1323.exe	cmd.exe
PID 1296 wrote to memory of 2240	1296	d97f291a3f61d51ef5b1b88ddb5a1323.exe	cmd.exe
PID 1296 wrote to memory of 2240	1296	d97f291a3f61d51ef5b1b88ddb5a1323.exe	cmd.exe
PID 2240 wrote to memory of 4188	2240	cmd.exe	chcp.com
PID 2240 wrote to memory of 4188	2240	cmd.exe	chcp.com
PID 2240 wrote to memory of 4188	2240	cmd.exe	chcp.com
PID 2240 wrote to memory of 64	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 64	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 64	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 1648	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 1648	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 1648	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 3716	2240	cmd.exe	PING.EXE
PID 2240 wrote to memory of 3716	2240	cmd.exe	PING.EXE
PID 2240 wrote to memory of 3716	2240	cmd.exe	PING.EXE
PID 2240 wrote to memory of 1064	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 1064	2240	cmd.exe	msiexec.exe
PID 2240 wrote to memory of 1064	2240	cmd.exe	msiexec.exe
PID 4404 wrote to memory of 5016	4404	msiexec.exe	MsiExec.exe
PID 4404 wrote to memory of 5016	4404	msiexec.exe	MsiExec.exe
PID 4404 wrote to memory of 5016	4404	msiexec.exe	MsiExec.exe
PID 4404 wrote to memory of 3432	4404	msiexec.exe	rfusclient.exe
PID 4404 wrote to memory of 3432	4404	msiexec.exe	rfusclient.exe
PID 4404 wrote to memory of 3432	4404	msiexec.exe	rfusclient.exe
PID 3432 wrote to memory of 1944	3432	rfusclient.exe	rutserv.exe
PID 3432 wrote to memory of 1944	3432	rfusclient.exe	rutserv.exe
PID 3432 wrote to memory of 1944	3432	rfusclient.exe	rutserv.exe
PID 4404 wrote to memory of 2300	4404	msiexec.exe	rfusclient.exe
PID 4404 wrote to memory of 2300	4404	msiexec.exe	rfusclient.exe
PID 4404 wrote to memory of 2300	4404	msiexec.exe	rfusclient.exe
PID 2300 wrote to memory of 4592	2300	rfusclient.exe	rutserv.exe
PID 2300 wrote to memory of 4592	2300	rfusclient.exe	rutserv.exe
PID 2300 wrote to memory of 4592	2300	rfusclient.exe	rutserv.exe
PID 4404 wrote to memory of 4904	4404	msiexec.exe	rfusclient.exe
PID 4404 wrote to memory of 4904	4404	msiexec.exe	rfusclient.exe
PID 4404 wrote to memory of 4904	4404	msiexec.exe	rfusclient.exe
PID 4904 wrote to memory of 5004	4904	rfusclient.exe	rutserv.exe
PID 4904 wrote to memory of 5004	4904	rfusclient.exe	rutserv.exe
PID 4904 wrote to memory of 5004	4904	rfusclient.exe	rutserv.exe
PID 4368 wrote to memory of 3192	4368	rutserv.exe	rfusclient.exe
PID 4368 wrote to memory of 3192	4368	rutserv.exe	rfusclient.exe
PID 4368 wrote to memory of 3192	4368	rutserv.exe	rfusclient.exe
PID 4368 wrote to memory of 1068	4368	rutserv.exe	rfusclient.exe
PID 4368 wrote to memory of 1068	4368	rutserv.exe	rfusclient.exe
PID 4368 wrote to memory of 1068	4368	rutserv.exe	rfusclient.exe
PID 3192 wrote to memory of 1964	3192	rfusclient.exe	rfusclient.exe
PID 3192 wrote to memory of 1964	3192	rfusclient.exe	rfusclient.exe
PID 3192 wrote to memory of 1964	3192	rfusclient.exe	rfusclient.exe

C:\Users\Admin\AppData\Local\Temp\d97f291a3f61d51ef5b1b88ddb5a1323.exe
"C:\Users\Admin\AppData\Local\Temp\d97f291a3f61d51ef5b1b88ddb5a1323.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\install.cmd" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\chcp.com
    chcp 1251
    3⤵
    PID:4188
- - C:\Windows\SysWOW64\msiexec.exe
    MsiExec /x {61FFA475-24D5-44FB-A51F-39B699E3D82C} /qn REBOOT=ReallySuppress
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:64
- - C:\Windows\SysWOW64\msiexec.exe
    MsiExec /x {AB7AA605-500F-4153-8207-FB5563419112} /qn REBOOT=ReallySuppress
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1648
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3716
- - C:\Windows\SysWOW64\msiexec.exe
    MsiExec /I "RtlUpd.msi" /qn
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1064

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding CA99057D91ECE5A4852B1ED9EA63A33E
  2⤵
  - Loads dropped DLL
  PID:5016
- C:\Windows\SysWOW64\sysfiles\rfusclient.exe
  "C:\Windows\SysWOW64\sysfiles\rfusclient.exe" /server /silentinstall
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies data under HKEY_USERS
  - Suspicious use of WriteProcessMemory
  PID:3432
- - C:\Windows\SysWOW64\sysfiles\rutserv.exe
    "C:\Windows\SysWOW64\sysfiles\rutserv.exe" /silentinstall
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    PID:1944
- C:\Windows\SysWOW64\sysfiles\rfusclient.exe
  "C:\Windows\SysWOW64\sysfiles\rfusclient.exe" /server /firewall
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies data under HKEY_USERS
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\sysfiles\rutserv.exe
    "C:\Windows\SysWOW64\sysfiles\rutserv.exe" /firewall
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:4592
- C:\Windows\SysWOW64\sysfiles\rfusclient.exe
  "C:\Windows\SysWOW64\sysfiles\rfusclient.exe" /server /start
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies data under HKEY_USERS
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Windows\SysWOW64\sysfiles\rutserv.exe
    "C:\Windows\SysWOW64\sysfiles\rutserv.exe" /start
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:5004

C:\Windows\SysWOW64\sysfiles\rutserv.exe
C:\Windows\SysWOW64\sysfiles\rutserv.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4368
- C:\Windows\SysWOW64\sysfiles\rfusclient.exe
  C:\Windows\SysWOW64\sysfiles\rfusclient.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3192
- - C:\Windows\SysWOW64\sysfiles\rfusclient.exe
    C:\Windows\SysWOW64\sysfiles\rfusclient.exe /tray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: SetClipboardViewer
    PID:1964
- C:\Windows\SysWOW64\sysfiles\rfusclient.exe
  C:\Windows\SysWOW64\sysfiles\rfusclient.exe /tray
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e574152.rbs

Filesize
16KB

MD5
16d7a8221592a795d538bd8a4f13fd06

SHA1
c2ffc36d5d41dd5399d7658feb575d0f555c5ecf

SHA256
5f549a3347b75e51b39b03a58c582257ee03ac690ac46d1da3ead0bbec4276c5

SHA512
1a66b77df0f492bfe7a0d213ad2663937f1e10ece465c0d3e3a1a56459d3411719abc553b954497ee6da84268bc4c43b7adc55b1cfa1efe8debcc8690965076c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RtlUpd.msi

Filesize
6.5MB

MD5
f3d8e9ba4e1209b85f4e87d732b5d2f6

SHA1
307534738abf2296867b4a71f8e696503e18dc42

SHA256
7b39554e0edbac87b3be7a998c357198e90d392b7f6b8a27b45d746bda89be86

SHA512
0e2d4c02d5d3929f6c70544292f609a09b64dbcba4fcea9fa3e63b70459495284783b4669af266f770693428d71bde1815f20d814d878a0a37288a0c6e91acaa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\install.cmd

Filesize
215B

MD5
51b644f5cb754199205c02e4af829275

SHA1
e38e39968569bce0251025002827f47e884be863

SHA256
fe281a763bd026d03e6134f72161b589c8c9fba9eef8930c442f9fb7d8c30d84

SHA512
a670c3ab3ab1a0e37478421588669c017a8230f1f85142030c94a207bcb1f506205eecc95d9442ae857a463397c552b07f71ae566cf8a8868f819a6da422174c

Download Submit
C:\Windows\Installer\MSI4249.tmp

Filesize
125KB

MD5
b0bcc622f1fff0eec99e487fa1a4ddd9

SHA1
49aa392454bd5869fa23794196aedc38e8eea6f5

SHA256
b32687eaaad888410718875dcbff9f6a552e29c4d76af33e06e59859e1054081

SHA512
1572c1d07df2e9262d05a915d69ec4ebeb92eab50b89ce27dd290fb5a8e1de2c97d9320a3bb006834c98b3f6afcd7d2c29f039d9ca9afaa09c714406dedbc3c7

Download Submit
C:\Windows\SysWOW64\sysfiles\RWLN.dll

Filesize
357KB

MD5
bb1f3e716d12734d1d2d9219a3979a62

SHA1
0ef66eed2f2ae45ec2d478902833b830334109cb

SHA256
d7e9c9043ed7df2af800d9b2a33e3efddf68b70f043e9717afc4b7dd4e13e077

SHA512
bbc90747dd45a01b05f5c0b6fa58ffe18af894b05363267ac1cc9fe3262f5e65c8ae4e08dfd82d89b9112e86e42d24a12784b79f5ea30b6443015c19b6792c9c

Download Submit
C:\Windows\SysWOW64\sysfiles\dsfvorbisdecoder.dll

Filesize
234KB

MD5
8e3f59b8c9dfc933fca30edefeb76186

SHA1
37a78089d5936d1bc3b60915971604c611a94dbd

SHA256
528c0656751b336c10cb4c49b703eae9c3863f7f416d0e09b198b082cc54aeb8

SHA512
3224c20c30556774fd4bed78909f451b9a5a46aa59271b5e88b1e0e60145d217802a8f1fda3d3fabcd8546ca7783e0c70f0c419a28efe6c5160a102553a3c91d

Download Submit
C:\Windows\SysWOW64\sysfiles\dsfvorbisencoder.dll

Filesize
1.6MB

MD5
ff622a8812d8b1eff8f8d1a32087f9d2

SHA1
910615c9374b8734794ac885707ff5370db42ef1

SHA256
1b8fe11c0bdcbf1f4503c478843de02177c606912c89e655e482adec787c2ebf

SHA512
1a7c49f172691bf071df0d47d6ee270afbfa889afb8d5bd893496277fd816630ecd7b50c978b53d88228922ba6070f382b959ffc389394e0f08daab107369931

Download Submit
C:\Windows\SysWOW64\sysfiles\gdiplus.dll

Filesize
1.6MB

MD5
871c903a90c45ca08a9d42803916c3f7

SHA1
d962a12bc15bfb4c505bb63f603ca211588958db

SHA256
f1da32183b3da19f75fa4ef0974a64895266b16d119bbb1da9fe63867dba0645

SHA512
985b0b8b5e3d96acfd0514676d9f0c5d2d8f11e31f01acfa0f7da9af3568e12343ca77f541f55edda6a0e5c14fe733bda5dc1c10bb170d40d15b7a60ad000145

Download Submit
C:\Windows\SysWOW64\sysfiles\msimg32.dll

Filesize
3KB

MD5
51af730a69ae4d520bed1ef9b658e0f8

SHA1
d2fbeac55b43bc4503154c465a99e91f57f9cbd3

SHA256
1a1b2ae21c9ecd0d2fcf1098b9906b39d8c440dbb1165d2e5c3b1a8b03b071fe

SHA512
348803eeb31ecf767474bdc5831c0a89d0fbf5b35913ab40f673ef5c5ccc2e02fe823ee596b8ab7a0beca40d07d0841426064a42fc0ef5d91d12ae9869d07685

Download Submit
C:\Windows\SysWOW64\sysfiles\msvcp90.dll

Filesize
556KB

MD5
b2eee3dee31f50e082e9c720a6d7757d

SHA1
3322840fef43c92fb55dc31e682d19970daf159d

SHA256
4608beedd8cf9c3fc5ab03716b4ab6f01c7b7d65a7c072af04f514ffb0e02d01

SHA512
8b1854e80045001e7ab3a978fb4aa1de19a3c9fc206013d7bc43aec919f45e46bb7555f667d9f7d7833ab8baa55c9098af8872006ff277fc364a5e6f99ee25d3

Download Submit
C:\Windows\SysWOW64\sysfiles\msvcr90.dll

Filesize
637KB

MD5
7538050656fe5d63cb4b80349dd1cfe3

SHA1
f825c40fee87cc9952a61c8c34e9f6eee8da742d

SHA256
e16bc9b66642151de612ee045c2810ca6146975015bd9679a354567f56da2099

SHA512
843e22630254d222dfd12166c701f6cd1dca4a8dc216c7a8c9c0ab1afc90189cfa8b6499bbc46408008a1d985394eb8a660b1fa1991059a65c09e8d6481a3af8

Download Submit
C:\Windows\SysWOW64\sysfiles\oledlg.dll

Filesize
4KB

MD5
d3f47f9ef1d3c358446c3680021e98ac

SHA1
5c50ab5a79d770a1e5ad43378d69d218de3ec4e6

SHA256
52fdc5181c9de91bfce282955f921b1938caf40a7d1528131b5155a367585ede

SHA512
eb55db05f167b4a49f2d586c446ac993463b3755e567d1e2e6024fbd8d2c683ea4c537c91978676de7f34aa20bcf86d9cb35072345e29bc8f94ebbc1bf894b8f

Download Submit
C:\Windows\SysWOW64\sysfiles\rasadhlp.dll

Filesize
3KB

MD5
8679b09cc9600a1f11a3c09cec12637b

SHA1
cad5c92e561b64d1f4e1f70c7596dcf186304ecb

SHA256
7e840982833d4c4d68835003960762fa3982c899ac1c8b63e4fdbbb35448152f

SHA512
93a8d0e78932793ccd534c17c48af203665d7b3d326d7b21b2b4aa54925a853e674324774fa9a99194eca7a930d504568095529a6b6a2e63b73f0c719bc424e6

Download Submit
C:\Windows\SysWOW64\sysfiles\rfusclient.exe

Filesize
3.9MB

MD5
fd73724d0268dafcefb8b4061e4045b0

SHA1
8205f76d796577817d5f9c1ef735a229c69a215f

SHA256
cef753b98d114554b8d9b44d7a0062904f7da3165e79aa346c445e3a0f7805f2

SHA512
8c135e80c2e70a5abb2975ca1c9ba77c9093ba0f8cab1e19d80ac0ab6b8049009ba7739f3a30f69bb4d5374f80fe3cf7e8735c2249927721595f380e5307d96e

Download Submit
C:\Windows\SysWOW64\sysfiles\ripcserver.dll

Filesize
144KB

MD5
30e269f850baf6ca25187815912e21c5

SHA1
eb160de97d12b4e96f350dd0d0126d41d658afb3

SHA256
379191bfd34d41e96760c7a539e2056a22be3d44bf0e8712b53e443f55aead90

SHA512
9b86a4eefdcae46e605f85e752ef61e39fd0212a19b7fd4c35eb3ab99851a0b906d048d12d1e1e985a340a67a64d405b8cf803555865137278f0c19d686df5e7

Download Submit
C:\Windows\SysWOW64\sysfiles\rutserv.exe

Filesize
4.7MB

MD5
5cd22562ef246c66c255676937d33f0d

SHA1
1d44452f59a8cf755e7931c55f2f84d147400b8e

SHA256
a063ec7ae0beda06cec13706320f5a9d537e4f19755ce2761cbc2b25070e2246

SHA512
0da8af59ae88169947114a0fdca61106863faf7244072f011c68270f197945fb384a319ccb7bf99d460458500d8e6f88306006bb6d76d19a13ab67adec1b21cf

Download Submit
C:\Windows\SysWOW64\sysfiles\vp8decoder.dll

Filesize
403KB

MD5
6f6bfe02e84a595a56b456f72debd4ee

SHA1
90bad3ae1746c7a45df2dbf44cd536eb1bf3c8e2

SHA256
5e59b566eda7bb36f3f5d6dd39858bc9d6cf2c8d81deca4ea3c409804247da51

SHA512
ed2a7402699a6d00d1eac52b0f2dea4475173be3320dfbad5ca58877f06638769533229bc12bce6650726d3166c0e5ebac2dad7171b77b29186d4d5e65818c50

Download Submit
C:\Windows\SysWOW64\sysfiles\vp8encoder.dll

Filesize
685KB

MD5
c638bca1a67911af7f9ed67e7b501154

SHA1
0fd74d2f1bd78f678b897a776d8bce36742c39b7

SHA256
519078219f7f6db542f747702422f902a21bfc3aef8c6e6c3580e1c5e88162b8

SHA512
ca8133399f61a1f339a14e3fad3bfafc6fe3657801fd66df761c88c18b2dc23ceb02ba6faa536690986972933bec2808254ef143c2c22f881285facb4364659f

Download Submit
memory/1068-125-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1068-126-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/1068-145-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1068-139-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1068-108-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/1068-132-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1068-128-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/1944-51-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/1944-52-0x0000000073B70000-0x0000000073B73000-memory.dmp

Filesize
12KB

Download
memory/1944-48-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/1964-119-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1964-120-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/1964-121-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2300-60-0x0000000073BB0000-0x0000000073BB3000-memory.dmp

Filesize
12KB

Download
memory/2300-69-0x0000000073BB0000-0x0000000073BB3000-memory.dmp

Filesize
12KB

Download
memory/2300-61-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/2300-68-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2300-67-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3192-123-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3192-124-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3192-134-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/3192-109-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/3432-53-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3432-55-0x0000000073B70000-0x0000000073B73000-memory.dmp

Filesize
12KB

Download
memory/3432-42-0x0000000073B70000-0x0000000073B73000-memory.dmp

Filesize
12KB

Download
memory/3432-44-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/3432-54-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/4368-122-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/4368-176-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/4368-170-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/4368-127-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/4368-159-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/4368-90-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/4368-136-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/4592-65-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/4592-64-0x0000000073BB0000-0x0000000073BB3000-memory.dmp

Filesize
12KB

Download
memory/4592-66-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download
memory/4904-84-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/4904-114-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/4904-113-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/5004-87-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/5004-112-0x0000000000400000-0x0000000000939000-memory.dmp

Filesize
5.2MB

Download