3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13

Analysis

max time kernel
239s
max time network
334s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
28-11-2022 19:10

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General

Target

3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Size

682KB
MD5

12641af0a6d3c52982b1ebc092f2e49b
SHA1

2387dacabec566dff2492bad1dc0034189d4d9b0
SHA256

3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13
SHA512

12368ed421bf7d06694a3a679161d6f4152182730ff2f4adc07940067f1eae8e721da67a3206c4d23c39de5008594d04e5804db040aee8870fa8717dd68e8728
SSDEEP

12288:u9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFkM:6iBIGkbxqEcjsWiDxguehC2SK

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\AppDate\\Local"	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\AppDate\\Local"	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeSecurityPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeTakeOwnershipPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeLoadDriverPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeSystemProfilePrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeSystemtimePrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeProfSingleProcessPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeIncBasePriorityPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeCreatePagefilePrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeBackupPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeRestorePrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeShutdownPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeDebugPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeSystemEnvironmentPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeChangeNotifyPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeRemoteShutdownPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeUndockPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeManageVolumePrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeImpersonatePrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: SeCreateGlobalPrivilege	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: 33	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: 34	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Token: 35	544	3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe

C:\Users\Admin\AppData\Local\Temp\3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
"C:\Users\Admin\AppData\Local\Temp\3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:544

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/544-54-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads