0c386b61b2fd8ca2baa9da1efc2510632d7f064905ae736db8cd4d43b0684488

General

Target

SplitBot.exe
Size

4.3MB
MD5

4e2835daca8a52e01540a596b5b57763
SHA1

bf9c98fb338e332081a6324d882f4769956b3cd8
SHA256

7c3c10637adb941c20d60062422812830a040172ad939c5d8ad24f6a18f6b34d
SHA512

633bd6eb1c117c772de389be8cc86766c56577375bdf8d954a3b8a878e354cc9328b02e414bcc1443694547bae91b3003ea8b0c8274c74e6ec0b683584933c16

Score

10^/10

persistence spyware stealer suricata

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

schtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3048	4840	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4320	4840	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1584	4840	schtasks.exe

suricata: ET MALWARE DCRAT Activity (GET)
suricata: ET MALWARE DCRAT Activity (GET)
suricata
Executes dropped EXE 2 IoCs

Processes:

reviewrefsessionmonitorreviewruntimeDhcp.exewinlogon.exe

pid process

756 reviewrefsessionmonitorreviewruntimeDhcp.exe
3436 winlogon.exe
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reviewrefsessionmonitorreviewruntimeDhcp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\System32\\csrsrv\\SppExtComObj.exe\""	reviewrefsessionmonitorreviewruntimeDhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Users\\Default User\\winlogon.exe\""	reviewrefsessionmonitorreviewruntimeDhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Documents and Settings\\SppExtComObj.exe\""	reviewrefsessionmonitorreviewruntimeDhcp.exe

Drops file in System32 directory 2 IoCs

Processes:

reviewrefsessionmonitorreviewruntimeDhcp.exe

description	ioc	process
File created	C:\Windows\System32\csrsrv\SppExtComObj.exe	reviewrefsessionmonitorreviewruntimeDhcp.exe
File created	C:\Windows\System32\csrsrv\e1ef82546f0b02b7e974f28047f3788b1128cce1	reviewrefsessionmonitorreviewruntimeDhcp.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

SplitBot.exe

pid process

2832 SplitBot.exe
2832 SplitBot.exe

pid	process
2832	SplitBot.exe
2832	SplitBot.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

3048 schtasks.exe
4320 schtasks.exe
1584 schtasks.exe

pid	process
3048	schtasks.exe
4320	schtasks.exe
1584	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

WaaSMedicAgent.exeWaaSMedicAgent.exeWaaSMedicAgent.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe

Modifies registry class 1 IoCs

Processes:

reviewrefsessionmonitorreviewruntimeDhcp.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000_Classes\Local Settings	reviewrefsessionmonitorreviewruntimeDhcp.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

reviewrefsessionmonitorreviewruntimeDhcp.exewinlogon.exe

pid	process
756	reviewrefsessionmonitorreviewruntimeDhcp.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe
3436	winlogon.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

winlogon.exe

pid process

3436 winlogon.exe

pid	process
3436	winlogon.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exereviewrefsessionmonitorreviewruntimeDhcp.exesvchost.exewinlogon.exeTiWorker.exevssvc.exe

description	pid	process
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe
Token: SeDebugPrivilege	756	reviewrefsessionmonitorreviewruntimeDhcp.exe
Token: SeShutdownPrivilege	1272	svchost.exe
Token: SeCreatePagefilePrivilege	1272	svchost.exe
Token: SeDebugPrivilege	3436	winlogon.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	3584	vssvc.exe
Token: SeRestorePrivilege	3584	vssvc.exe
Token: SeAuditPrivilege	3584	vssvc.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SplitBot.exe

pid process

2832 SplitBot.exe

pid	process
2832	SplitBot.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SplitBot.exesvchost.exereviewrefsessionmonitorreviewruntimeDhcp.execmd.exe

description	pid	process	target process
PID 2832 wrote to memory of 756	2832	SplitBot.exe	reviewrefsessionmonitorreviewruntimeDhcp.exe
PID 2832 wrote to memory of 756	2832	SplitBot.exe	reviewrefsessionmonitorreviewruntimeDhcp.exe
PID 1272 wrote to memory of 2268	1272	svchost.exe	MoUsoCoreWorker.exe
PID 1272 wrote to memory of 2268	1272	svchost.exe	MoUsoCoreWorker.exe
PID 756 wrote to memory of 2100	756	reviewrefsessionmonitorreviewruntimeDhcp.exe	cmd.exe
PID 756 wrote to memory of 2100	756	reviewrefsessionmonitorreviewruntimeDhcp.exe	cmd.exe
PID 2100 wrote to memory of 2024	2100	cmd.exe	chcp.com
PID 2100 wrote to memory of 2024	2100	cmd.exe	chcp.com
PID 2100 wrote to memory of 4788	2100	cmd.exe	w32tm.exe
PID 2100 wrote to memory of 4788	2100	cmd.exe	w32tm.exe
PID 2100 wrote to memory of 3436	2100	cmd.exe	winlogon.exe
PID 2100 wrote to memory of 3436	2100	cmd.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\SplitBot.exe
"C:\Users\Admin\AppData\Local\Temp\SplitBot.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2832

C:\Users\Admin\AppData\Local\Temp\reviewrefsessionmonitorreviewruntimeDhcp.exe
"C:\Users\Admin\AppData\Local\Temp\reviewrefsessionmonitorreviewruntimeDhcp.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\a6ap96WVlc.bat"
3⤵
- Suspicious use of WriteProcessMemory
PID:2100

C:\Windows\system32\chcp.com
chcp 65001
4⤵
PID:2024

C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
4⤵
PID:4788

C:\Users\Default User\winlogon.exe
"C:\Users\Default User\winlogon.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3436

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 8a46f8d45264061e5266ce24d7cf5df1 aF0MGEmogECDG5fKrOX3hA.0.1.0.3.0
1⤵
- Modifies data under HKEY_USERS
PID:3744

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\Default User\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Documents and Settings\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4320

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
2⤵
PID:2268

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\System32\csrsrv\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1584

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2860

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3584

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 8a46f8d45264061e5266ce24d7cf5df1 aF0MGEmogECDG5fKrOX3hA.0.1.0.3.0
1⤵
- Modifies data under HKEY_USERS
PID:2704

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 8a46f8d45264061e5266ce24d7cf5df1 aF0MGEmogECDG5fKrOX3hA.0.1.0.3.0
1⤵
- Modifies data under HKEY_USERS
PID:5076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

2

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a6ap96WVlc.bat
MD5
3f29426e07373c2bdf41dcf5ce4deca5

SHA1
7ad6616e65e8040257e35d2cc6e1be3a3de0cc66

SHA256
01c4d7fd0e84f8e6b194c7c031f6d8c70750d8b4443186bc4c888eae93191d81

SHA512
a770eb253cca947152fbe1ad37b272795f605af7f471337a1f3c08b955b33552c3b96b9eb0249e033fa3fbac29f1bec1b5ec48a6f524456f8f133cbe3034ba83

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C:\Users\Admin\AppData\Local\Temp\reviewrefsessionmonitorreviewruntimeDhcp.exe
MD5
a15410a6d2cc6b4484c870f4332658f2

SHA1
84b03444e3f5dcd6df96ac5ccf8dcbb712bd5525

SHA256
b60805e0e0dab7bc799ecc98d9280ef029fb787ffc2f754edc9640fd49187845

SHA512
824cb01c90daea7e31a9e704632cb77dccdbade2bcdf293620cf6a88d313ca504911989399507de3d93d198fce07512959d45c8998af47c5a3286f77699a6838

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C:\Users\Admin\AppData\Local\Temp\reviewrefsessionmonitorreviewruntimeDhcp.exe
MD5
a15410a6d2cc6b4484c870f4332658f2

SHA1
84b03444e3f5dcd6df96ac5ccf8dcbb712bd5525

SHA256
b60805e0e0dab7bc799ecc98d9280ef029fb787ffc2f754edc9640fd49187845

SHA512
824cb01c90daea7e31a9e704632cb77dccdbade2bcdf293620cf6a88d313ca504911989399507de3d93d198fce07512959d45c8998af47c5a3286f77699a6838

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C:\Users\Default User\winlogon.exe
MD5
a15410a6d2cc6b4484c870f4332658f2

SHA1
84b03444e3f5dcd6df96ac5ccf8dcbb712bd5525

SHA256
b60805e0e0dab7bc799ecc98d9280ef029fb787ffc2f754edc9640fd49187845

SHA512
824cb01c90daea7e31a9e704632cb77dccdbade2bcdf293620cf6a88d313ca504911989399507de3d93d198fce07512959d45c8998af47c5a3286f77699a6838

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C:\Users\Default\winlogon.exe
MD5
a15410a6d2cc6b4484c870f4332658f2

SHA1
84b03444e3f5dcd6df96ac5ccf8dcbb712bd5525

SHA256
b60805e0e0dab7bc799ecc98d9280ef029fb787ffc2f754edc9640fd49187845

SHA512
824cb01c90daea7e31a9e704632cb77dccdbade2bcdf293620cf6a88d313ca504911989399507de3d93d198fce07512959d45c8998af47c5a3286f77699a6838

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memory/756-147-0x0000000000000000-mapping.dmp

Download
memory/756-150-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/756-155-0x0000000001810000-0x0000000001812000-memory.dmp

Filesize
8KB

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memory/1344-152-0x00000249DDF20000-0x00000249DDF30000-memory.dmp

Filesize
64KB

Download
memory/1344-153-0x00000249DDFA0000-0x00000249DDFB0000-memory.dmp

Filesize
64KB

Download
memory/1344-154-0x00000249E06B0000-0x00000249E06B4000-memory.dmp

Filesize
16KB

Download
memory/2024-159-0x0000000000000000-mapping.dmp

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memory/2100-157-0x0000000000000000-mapping.dmp

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memory/2268-156-0x0000000000000000-mapping.dmp

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memory/2832-146-0x0000000000400000-0x0000000000B12000-memory.dmp

Filesize
7.1MB

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memory/3436-161-0x0000000000000000-mapping.dmp

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memory/3436-166-0x000000001AFF0000-0x000000001AFF7000-memory.dmp

Filesize
28KB

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memory/3436-167-0x000000001C700000-0x000000001C708000-memory.dmp

Filesize
32KB

Download
memory/3436-168-0x000000001C300000-0x000000001C350000-memory.dmp

Filesize
320KB

Download
memory/3436-169-0x000000001C350000-0x000000001C354000-memory.dmp

Filesize
16KB

Download
memory/3436-170-0x000000001C360000-0x000000001C362000-memory.dmp

Filesize
8KB

Download
memory/3436-171-0x000000001C370000-0x000000001C371000-memory.dmp

Filesize
4KB

Download
memory/3436-172-0x000000001E370000-0x000000001E371000-memory.dmp

Filesize
4KB

Download
memory/4788-160-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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