umbral | add6234329d65ae878b6112d7d63d6641b842d28c0fa2fa5fbbb09a1b835bc0c

Analysis

max time kernel
83s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:08

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General

Target

229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142.exe
Size

229KB
MD5

18c63a90674dfd9ce20787856a3eab57
SHA1

060399c3b7edbeaf034b8b1d40ea75e48b235bbb
SHA256

229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142
SHA512

5e1ef92fe3100720d4aa0550979b1af599c4c4f3c8431a697a315a00eeb556172f64249dad3346cc7f3d7c744db353872d80f97ca40c9a2810d85f35c1d3402e
SSDEEP

6144:lloZM+rIkd8g+EtXHkv/iD40uHVywvrY/hkijD6nOrb8e1mki:noZtL+EP80uHVywvrY/hkijD6n8i

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral10/memory/4244-1-0x000001EBD8B70000-0x000001EBD8BB0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Umbral family
umbral

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	ip-api.com

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142.exe
Token: SeIncreaseQuotaPrivilege	4976	wmic.exe
Token: SeSecurityPrivilege	4976	wmic.exe
Token: SeTakeOwnershipPrivilege	4976	wmic.exe
Token: SeLoadDriverPrivilege	4976	wmic.exe
Token: SeSystemProfilePrivilege	4976	wmic.exe
Token: SeSystemtimePrivilege	4976	wmic.exe
Token: SeProfSingleProcessPrivilege	4976	wmic.exe
Token: SeIncBasePriorityPrivilege	4976	wmic.exe
Token: SeCreatePagefilePrivilege	4976	wmic.exe
Token: SeBackupPrivilege	4976	wmic.exe
Token: SeRestorePrivilege	4976	wmic.exe
Token: SeShutdownPrivilege	4976	wmic.exe
Token: SeDebugPrivilege	4976	wmic.exe
Token: SeSystemEnvironmentPrivilege	4976	wmic.exe
Token: SeRemoteShutdownPrivilege	4976	wmic.exe
Token: SeUndockPrivilege	4976	wmic.exe
Token: SeManageVolumePrivilege	4976	wmic.exe
Token: 33	4976	wmic.exe
Token: 34	4976	wmic.exe
Token: 35	4976	wmic.exe
Token: 36	4976	wmic.exe
Token: SeIncreaseQuotaPrivilege	4976	wmic.exe
Token: SeSecurityPrivilege	4976	wmic.exe
Token: SeTakeOwnershipPrivilege	4976	wmic.exe
Token: SeLoadDriverPrivilege	4976	wmic.exe
Token: SeSystemProfilePrivilege	4976	wmic.exe
Token: SeSystemtimePrivilege	4976	wmic.exe
Token: SeProfSingleProcessPrivilege	4976	wmic.exe
Token: SeIncBasePriorityPrivilege	4976	wmic.exe
Token: SeCreatePagefilePrivilege	4976	wmic.exe
Token: SeBackupPrivilege	4976	wmic.exe
Token: SeRestorePrivilege	4976	wmic.exe
Token: SeShutdownPrivilege	4976	wmic.exe
Token: SeDebugPrivilege	4976	wmic.exe
Token: SeSystemEnvironmentPrivilege	4976	wmic.exe
Token: SeRemoteShutdownPrivilege	4976	wmic.exe
Token: SeUndockPrivilege	4976	wmic.exe
Token: SeManageVolumePrivilege	4976	wmic.exe
Token: 33	4976	wmic.exe
Token: 34	4976	wmic.exe
Token: 35	4976	wmic.exe
Token: 36	4976	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4976	4244	229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142.exe	89
PID 4244 wrote to memory of 4976	4244	229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142.exe	89

C:\Users\Admin\AppData\Local\Temp\229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142.exe
"C:\Users\Admin\AppData\Local\Temp\229ce4ad220d6fc570b37e681d37ace4c11216f0a6a879701a174aac5c4c2142.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4976

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4244-0-0x00007FFD27133000-0x00007FFD27135000-memory.dmp

Filesize
8KB

Download
memory/4244-1-0x000001EBD8B70000-0x000001EBD8BB0000-memory.dmp

Filesize
256KB

Download
memory/4244-2-0x00007FFD27130000-0x00007FFD27BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4244-4-0x00007FFD27130000-0x00007FFD27BF1000-memory.dmp

Filesize
10.8MB

Download