aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6

General

Target

aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe
Size

170KB
MD5

0e53108935aa122b8faeda0de6fae8bd
SHA1

fd7491b116e3695b832c171b6c003773fa95342b
SHA256

aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6
SHA512

df74ad57514cf8866a738f7ab3058a51f3ca7450bc63affc0ff05facc1e43e5d19dc1f23daa0ec7fc03312eacff2ff9e1233e6e420935365a260babc93d0d3d4

Score

7^/10

persistence

Malware Config

Signatures

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:

aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchos = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe"	reg.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

pid	process
4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe
4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

description pid process

Token: SeDebugPrivilege 4632 aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

description	pid	process
Token: SeDebugPrivilege	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.execmd.exe

description	pid	process	target process
PID 4632 wrote to memory of 1400	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	cmd.exe
PID 4632 wrote to memory of 1400	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	cmd.exe
PID 4632 wrote to memory of 2268	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	sihost.exe
PID 1400 wrote to memory of 1076	1400	cmd.exe	reg.exe
PID 1400 wrote to memory of 1076	1400	cmd.exe	reg.exe
PID 4632 wrote to memory of 2288	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	svchost.exe
PID 4632 wrote to memory of 2412	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	taskhostw.exe
PID 4632 wrote to memory of 2660	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	svchost.exe
PID 4632 wrote to memory of 3204	4632	aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe	DllHost.exe

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2412

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3204

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:2660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2288

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2268

C:\Users\Admin\AppData\Local\Temp\aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe
"C:\Users\Admin\AppData\Local\Temp\aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\system32\reg.exe
REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\aa356e1d445cca768a71f037d6a0111e613213bf2fd67fffdeae346001143bf6.exe" /f
3⤵
- Adds Run key to start application
PID:1076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2268-130-0x00007FF700FF0000-0x00007FF70137E000-memory.dmp

Filesize
3.6MB

Download
memory/2660-131-0x00007FF700FF0000-0x00007FF70137E000-memory.dmp

Filesize
3.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads