umbral | d7108405eebedbd1d610c13bd7dae066a7ca5497f7e1c8c977a92b8401083709

Analysis

max time kernel
68s
max time network
159s
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, 06:09

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General

Target

2c1bb67a6359e933d609019759d98e62.exe
Size

229KB
MD5

2c1bb67a6359e933d609019759d98e62
SHA1

16f7c962049102dfcff4394f66adadbd666332f0
SHA256

7efe4f5f38f64ed942025f9960529002902130347382f93b43b63d1d1d48d5b4
SHA512

e43921a49bde1b25354ee5001f13f6ca11329c98b46e04aa25a4490fea33e5a9b614b612cc1bda427aadc8152736e5901a1b38ec644939724c52c6e470999414
SSDEEP

6144:lloZM9rIkd8g+EtXHkv/iD4WVFqoOJBi/HaIJtMfzb8e1mwTi:noZmL+EP8WVFqoOJBi/HaIJtMf2

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral28/memory/2592-1-0x0000026F1AC70000-0x0000026F1ACB0000-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
20	ip-api.com

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2592	2c1bb67a6359e933d609019759d98e62.exe
Token: SeIncreaseQuotaPrivilege	540	wmic.exe
Token: SeSecurityPrivilege	540	wmic.exe
Token: SeTakeOwnershipPrivilege	540	wmic.exe
Token: SeLoadDriverPrivilege	540	wmic.exe
Token: SeSystemProfilePrivilege	540	wmic.exe
Token: SeSystemtimePrivilege	540	wmic.exe
Token: SeProfSingleProcessPrivilege	540	wmic.exe
Token: SeIncBasePriorityPrivilege	540	wmic.exe
Token: SeCreatePagefilePrivilege	540	wmic.exe
Token: SeBackupPrivilege	540	wmic.exe
Token: SeRestorePrivilege	540	wmic.exe
Token: SeShutdownPrivilege	540	wmic.exe
Token: SeDebugPrivilege	540	wmic.exe
Token: SeSystemEnvironmentPrivilege	540	wmic.exe
Token: SeRemoteShutdownPrivilege	540	wmic.exe
Token: SeUndockPrivilege	540	wmic.exe
Token: SeManageVolumePrivilege	540	wmic.exe
Token: 33	540	wmic.exe
Token: 34	540	wmic.exe
Token: 35	540	wmic.exe
Token: 36	540	wmic.exe
Token: SeIncreaseQuotaPrivilege	540	wmic.exe
Token: SeSecurityPrivilege	540	wmic.exe
Token: SeTakeOwnershipPrivilege	540	wmic.exe
Token: SeLoadDriverPrivilege	540	wmic.exe
Token: SeSystemProfilePrivilege	540	wmic.exe
Token: SeSystemtimePrivilege	540	wmic.exe
Token: SeProfSingleProcessPrivilege	540	wmic.exe
Token: SeIncBasePriorityPrivilege	540	wmic.exe
Token: SeCreatePagefilePrivilege	540	wmic.exe
Token: SeBackupPrivilege	540	wmic.exe
Token: SeRestorePrivilege	540	wmic.exe
Token: SeShutdownPrivilege	540	wmic.exe
Token: SeDebugPrivilege	540	wmic.exe
Token: SeSystemEnvironmentPrivilege	540	wmic.exe
Token: SeRemoteShutdownPrivilege	540	wmic.exe
Token: SeUndockPrivilege	540	wmic.exe
Token: SeManageVolumePrivilege	540	wmic.exe
Token: 33	540	wmic.exe
Token: 34	540	wmic.exe
Token: 35	540	wmic.exe
Token: 36	540	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 540	2592	2c1bb67a6359e933d609019759d98e62.exe	88
PID 2592 wrote to memory of 540	2592	2c1bb67a6359e933d609019759d98e62.exe	88

C:\Users\Admin\AppData\Local\Temp\2c1bb67a6359e933d609019759d98e62.exe
"C:\Users\Admin\AppData\Local\Temp\2c1bb67a6359e933d609019759d98e62.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:540

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2592-1-0x0000026F1AC70000-0x0000026F1ACB0000-memory.dmp

Filesize
256KB

Download
memory/2592-0-0x00007FFAAC273000-0x00007FFAAC275000-memory.dmp

Filesize
8KB

Download
memory/2592-2-0x00007FFAAC270000-0x00007FFAACD31000-memory.dmp

Filesize
10.8MB

Download
memory/2592-4-0x00007FFAAC270000-0x00007FFAACD31000-memory.dmp

Filesize
10.8MB

Download