umbral | 805c5709be7589073f6c90410ba05d8d4240ba487fe7c8febf2de9ba214a489e

Analysis

max time kernel
103s
max time network
126s
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, 06:14

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General

Target

95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb.exe
Size

231KB
MD5

e839bc5a747d12236b61f0120413cd3b
SHA1

7c714302034de81af274a784e1bc62fce85b3ee5
SHA256

95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb
SHA512

0fe330a45d6aacee8397b67288b3b8d8ba7a796dff5ed551ea1cd79be07104d8da37a94d3022d52fc763e9b040f0d9f92c7604bacb9fcd0d8db9df5b320912bd
SSDEEP

6144:RloZM0rIkd8g+EtXHkv/iD4SJm1syVtGNTOMdRYsGb8e1mIi:joZDL+EP8SJm1syVtGNTOMdRYPS

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral20/memory/1932-1-0x00000210C7350000-0x00000210C7390000-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
9	ip-api.com

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb.exe
Token: SeIncreaseQuotaPrivilege	3060	wmic.exe
Token: SeSecurityPrivilege	3060	wmic.exe
Token: SeTakeOwnershipPrivilege	3060	wmic.exe
Token: SeLoadDriverPrivilege	3060	wmic.exe
Token: SeSystemProfilePrivilege	3060	wmic.exe
Token: SeSystemtimePrivilege	3060	wmic.exe
Token: SeProfSingleProcessPrivilege	3060	wmic.exe
Token: SeIncBasePriorityPrivilege	3060	wmic.exe
Token: SeCreatePagefilePrivilege	3060	wmic.exe
Token: SeBackupPrivilege	3060	wmic.exe
Token: SeRestorePrivilege	3060	wmic.exe
Token: SeShutdownPrivilege	3060	wmic.exe
Token: SeDebugPrivilege	3060	wmic.exe
Token: SeSystemEnvironmentPrivilege	3060	wmic.exe
Token: SeRemoteShutdownPrivilege	3060	wmic.exe
Token: SeUndockPrivilege	3060	wmic.exe
Token: SeManageVolumePrivilege	3060	wmic.exe
Token: 33	3060	wmic.exe
Token: 34	3060	wmic.exe
Token: 35	3060	wmic.exe
Token: 36	3060	wmic.exe
Token: SeIncreaseQuotaPrivilege	3060	wmic.exe
Token: SeSecurityPrivilege	3060	wmic.exe
Token: SeTakeOwnershipPrivilege	3060	wmic.exe
Token: SeLoadDriverPrivilege	3060	wmic.exe
Token: SeSystemProfilePrivilege	3060	wmic.exe
Token: SeSystemtimePrivilege	3060	wmic.exe
Token: SeProfSingleProcessPrivilege	3060	wmic.exe
Token: SeIncBasePriorityPrivilege	3060	wmic.exe
Token: SeCreatePagefilePrivilege	3060	wmic.exe
Token: SeBackupPrivilege	3060	wmic.exe
Token: SeRestorePrivilege	3060	wmic.exe
Token: SeShutdownPrivilege	3060	wmic.exe
Token: SeDebugPrivilege	3060	wmic.exe
Token: SeSystemEnvironmentPrivilege	3060	wmic.exe
Token: SeRemoteShutdownPrivilege	3060	wmic.exe
Token: SeUndockPrivilege	3060	wmic.exe
Token: SeManageVolumePrivilege	3060	wmic.exe
Token: 33	3060	wmic.exe
Token: 34	3060	wmic.exe
Token: 35	3060	wmic.exe
Token: 36	3060	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 3060	1932	95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb.exe	89
PID 1932 wrote to memory of 3060	1932	95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb.exe	89

C:\Users\Admin\AppData\Local\Temp\95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb.exe
"C:\Users\Admin\AppData\Local\Temp\95cc71e95ccf96ee404de6261589d09ec40cc8e5536356806e23b2b8ba21fdeb.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1932-1-0x00000210C7350000-0x00000210C7390000-memory.dmp

Filesize
256KB

Download
memory/1932-0-0x00007FF8155B3000-0x00007FF8155B5000-memory.dmp

Filesize
8KB

Download
memory/1932-2-0x00007FF8155B0000-0x00007FF816071000-memory.dmp

Filesize
10.8MB

Download
memory/1932-4-0x00007FF8155B0000-0x00007FF816071000-memory.dmp

Filesize
10.8MB

Download