umbral | 6681cb73deb0effc4f44f704c6bddb07e98c1f8da4c8478cca7ddd49abdb0c3f

Analysis

max time kernel
110s
max time network
131s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae.exe
Size

231KB
MD5

e9f42fb8ff100cbfc5510e317728db6b
SHA1

313d570c9f8d9a03c0ed7111e1593ebaaa98c2fc
SHA256

1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae
SHA512

24432e606d2d27f19eb398826632a65b183d5169c6a31148575d0ee88dff8a84c95e43eaa7589c8afd6c5bd585bdfa861834bc67b180a6b4898b94b49e2f2171
SSDEEP

6144:xloZM3fsXtioRkts/cnnK6cMlDMRA8il92SDe8NhoFGb8e1m+i:DoZ1tlRk83MlDMRA8il92SDe8Nhokg

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral30/memory/5160-1-0x000002AD14930000-0x000002AD14970000-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
14	ip-api.com

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	5160	1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae.exe
Token: SeIncreaseQuotaPrivilege	5868	wmic.exe
Token: SeSecurityPrivilege	5868	wmic.exe
Token: SeTakeOwnershipPrivilege	5868	wmic.exe
Token: SeLoadDriverPrivilege	5868	wmic.exe
Token: SeSystemProfilePrivilege	5868	wmic.exe
Token: SeSystemtimePrivilege	5868	wmic.exe
Token: SeProfSingleProcessPrivilege	5868	wmic.exe
Token: SeIncBasePriorityPrivilege	5868	wmic.exe
Token: SeCreatePagefilePrivilege	5868	wmic.exe
Token: SeBackupPrivilege	5868	wmic.exe
Token: SeRestorePrivilege	5868	wmic.exe
Token: SeShutdownPrivilege	5868	wmic.exe
Token: SeDebugPrivilege	5868	wmic.exe
Token: SeSystemEnvironmentPrivilege	5868	wmic.exe
Token: SeRemoteShutdownPrivilege	5868	wmic.exe
Token: SeUndockPrivilege	5868	wmic.exe
Token: SeManageVolumePrivilege	5868	wmic.exe
Token: 33	5868	wmic.exe
Token: 34	5868	wmic.exe
Token: 35	5868	wmic.exe
Token: 36	5868	wmic.exe
Token: SeIncreaseQuotaPrivilege	5868	wmic.exe
Token: SeSecurityPrivilege	5868	wmic.exe
Token: SeTakeOwnershipPrivilege	5868	wmic.exe
Token: SeLoadDriverPrivilege	5868	wmic.exe
Token: SeSystemProfilePrivilege	5868	wmic.exe
Token: SeSystemtimePrivilege	5868	wmic.exe
Token: SeProfSingleProcessPrivilege	5868	wmic.exe
Token: SeIncBasePriorityPrivilege	5868	wmic.exe
Token: SeCreatePagefilePrivilege	5868	wmic.exe
Token: SeBackupPrivilege	5868	wmic.exe
Token: SeRestorePrivilege	5868	wmic.exe
Token: SeShutdownPrivilege	5868	wmic.exe
Token: SeDebugPrivilege	5868	wmic.exe
Token: SeSystemEnvironmentPrivilege	5868	wmic.exe
Token: SeRemoteShutdownPrivilege	5868	wmic.exe
Token: SeUndockPrivilege	5868	wmic.exe
Token: SeManageVolumePrivilege	5868	wmic.exe
Token: 33	5868	wmic.exe
Token: 34	5868	wmic.exe
Token: 35	5868	wmic.exe
Token: 36	5868	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5160 wrote to memory of 5868	5160	1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae.exe	88
PID 5160 wrote to memory of 5868	5160	1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae.exe	88

C:\Users\Admin\AppData\Local\Temp\1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae.exe
"C:\Users\Admin\AppData\Local\Temp\1be2b92ceabc55905ef2d5a4d28e28f80931887ca1b7aa2557775e09402d36ae.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5160
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5868

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5160-0-0x00007FFD2C7F3000-0x00007FFD2C7F5000-memory.dmp

Filesize
8KB

Download
memory/5160-1-0x000002AD14930000-0x000002AD14970000-memory.dmp

Filesize
256KB

Download
memory/5160-2-0x00007FFD2C7F0000-0x00007FFD2D2B1000-memory.dmp

Filesize
10.8MB

Download
memory/5160-4-0x00007FFD2C7F0000-0x00007FFD2D2B1000-memory.dmp

Filesize
10.8MB

Download