a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0

General

Target

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Size

329KB
MD5

0ef82fe8d967a62f5b70ddf2d709ca90
SHA1

6ac5337b2c4fae4299c95e3173d16273e6faf11a
SHA256

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0
SHA512

774a4aed635dfc4fbaf5c1b26baea1dbe5b59b16bdf561ee3c4d1675f6e16b45fd5c506262ffb052a00003c15ded93ff9b3e1f662dd977ab474835a21265ef04
SSDEEP

6144:xqpxvlACym6wGGWFGDwZyoJ3fzBeM6SpktqHQI6mVk8cL3/CzYjsHh:xqjvlA06wLBHAf9eMvHwmVkhL36zYwHh

Score

8^/10

adware discovery exploit persistence stealer

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

description ioc process

File created C:\Windows\SysWOW64\drivers\09479355.sys a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Possible privilege escalation attempt 4 IoCs
exploit

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

1536 takeown.exe
1528 icacls.exe
1344 takeown.exe
940 icacls.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\09479355.sys	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

pid	process
1536	takeown.exe
1528	icacls.exe
1344	takeown.exe
940	icacls.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\09479355\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\09479355.sys"	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1008 cmd.exe
Modifies file permissions 1 TTPs 4 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

1536 takeown.exe
1528 icacls.exe
1344 takeown.exe
940 icacls.exe

pid	process
1008	cmd.exe

pid	process
1536	takeown.exe
1528	icacls.exe
1344	takeown.exe
940	icacls.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Maps connected drives based on registry 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Drops file in System32 directory 4 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
File created	C:\Windows\SysWOW64\wshtcpip.dll	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
File created	C:\Windows\SysWOW64\midimap.dll	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
File created	C:\Windows\SysWOW64\ws2tcpip.dll	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Modifies registry class 4 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe"	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "rewfugws.dll"	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

pid	process
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

pid process

460
1964 a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

pid	process
460
1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exetakeown.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
Token: SeTakeOwnershipPrivilege	1536	takeown.exe
Token: SeTakeOwnershipPrivilege	1344	takeown.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.execmd.execmd.exe

description	pid	process	target process
PID 1964 wrote to memory of 1544	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 1544	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 1544	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 1544	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1544 wrote to memory of 1536	1544	cmd.exe	takeown.exe
PID 1544 wrote to memory of 1536	1544	cmd.exe	takeown.exe
PID 1544 wrote to memory of 1536	1544	cmd.exe	takeown.exe
PID 1544 wrote to memory of 1536	1544	cmd.exe	takeown.exe
PID 1544 wrote to memory of 1528	1544	cmd.exe	icacls.exe
PID 1544 wrote to memory of 1528	1544	cmd.exe	icacls.exe
PID 1544 wrote to memory of 1528	1544	cmd.exe	icacls.exe
PID 1544 wrote to memory of 1528	1544	cmd.exe	icacls.exe
PID 1964 wrote to memory of 432	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 432	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 432	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 432	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 432 wrote to memory of 1344	432	cmd.exe	takeown.exe
PID 432 wrote to memory of 1344	432	cmd.exe	takeown.exe
PID 432 wrote to memory of 1344	432	cmd.exe	takeown.exe
PID 432 wrote to memory of 1344	432	cmd.exe	takeown.exe
PID 432 wrote to memory of 940	432	cmd.exe	icacls.exe
PID 432 wrote to memory of 940	432	cmd.exe	icacls.exe
PID 432 wrote to memory of 940	432	cmd.exe	icacls.exe
PID 432 wrote to memory of 940	432	cmd.exe	icacls.exe
PID 1964 wrote to memory of 1008	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 1008	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 1008	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe
PID 1964 wrote to memory of 1008	1964	a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe
"C:\Users\Admin\AppData\Local\Temp\a59f30575426a07fb1f5c019f36974d3079db55f5099e25328277d94df7acab0.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
2⤵
- Suspicious use of WriteProcessMemory
PID:1544

C:\Windows\SysWOW64\takeown.exe
takeown /f C:\Windows\SysWOW64\wshtcpip.dll
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1536

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1528

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
2⤵
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\takeown.exe
takeown /f C:\Windows\SysWOW64\midimap.dll
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1344

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:940

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:1008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

File Permissions Modification

1

T1222

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
Filesize
181B

MD5
436b57917ff009c9c375d8a009439824

SHA1
131bfda4cc299ce06e355491bfbfe656885d8b1b

SHA256
921219d3247c7a126e552c4a64f2b5b88df97d6fb74719898c3f3ca4993da9db

SHA512
fde79a02d6903e98cb09d7ab1b66ab6768cbf96e161d20d4034942a6b32943a2e19356f752ba9324f2a3ea06d3735f3ccd002b4f4fca1e6e232daf6478ca41ec

Download Submit
memory/432-62-0x0000000000000000-mapping.dmp

Download
memory/940-64-0x0000000000000000-mapping.dmp

Download
memory/1008-65-0x0000000000000000-mapping.dmp

Download
memory/1344-63-0x0000000000000000-mapping.dmp

Download
memory/1528-61-0x0000000000000000-mapping.dmp

Download
memory/1536-60-0x0000000000000000-mapping.dmp

Download
memory/1544-59-0x0000000000000000-mapping.dmp

Download
memory/1964-54-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download
memory/1964-57-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/1964-58-0x0000000000220000-0x0000000000240000-memory.dmp

Filesize
128KB

Download
memory/1964-56-0x0000000000220000-0x0000000000240000-memory.dmp

Filesize
128KB

Download
memory/1964-66-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/1964-55-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads