umbral | c9ec4eedb1e3aecfbb616ea4e4c3275e2b1ec7aeac7a714fbf9a97d43006c455

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2023 09:08

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General

Target

cyber vortex 3.exe
Size

354KB
MD5

287300575c7a8a060ccefd90cbb38126
SHA1

24f9dea714fc4183c1c2f4b31ef4a3d7efb43990
SHA256

2699c8c42d65dae5b9566d98db700275c0ffd9eb2b6ac0372f89467d865c9b40
SHA512

661f8dc6d57339e324afaec9f89891ebbaca1aae8d886745deadf8e54890dc70bc5e7393d051881c0f09eabc92f2eecfddb46d452d35b76e670eb92bf8d6c6e2
SSDEEP

6144:hloZM+rIkd8g+EtXHkv/iD4MR291XN2eRtENfKK/DWb8e1meizo3E/:ToZtL+EP8k291XN2eRtENfKK/Oszo3E/

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral10/memory/1656-133-0x000001F507C30000-0x000001F507C8E000-memory.dmp	family_umbral

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

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	cyber vortex 3.exe
Token: SeIncreaseQuotaPrivilege	2500	wmic.exe
Token: SeSecurityPrivilege	2500	wmic.exe
Token: SeTakeOwnershipPrivilege	2500	wmic.exe
Token: SeLoadDriverPrivilege	2500	wmic.exe
Token: SeSystemProfilePrivilege	2500	wmic.exe
Token: SeSystemtimePrivilege	2500	wmic.exe
Token: SeProfSingleProcessPrivilege	2500	wmic.exe
Token: SeIncBasePriorityPrivilege	2500	wmic.exe
Token: SeCreatePagefilePrivilege	2500	wmic.exe
Token: SeBackupPrivilege	2500	wmic.exe
Token: SeRestorePrivilege	2500	wmic.exe
Token: SeShutdownPrivilege	2500	wmic.exe
Token: SeDebugPrivilege	2500	wmic.exe
Token: SeSystemEnvironmentPrivilege	2500	wmic.exe
Token: SeRemoteShutdownPrivilege	2500	wmic.exe
Token: SeUndockPrivilege	2500	wmic.exe
Token: SeManageVolumePrivilege	2500	wmic.exe
Token: 33	2500	wmic.exe
Token: 34	2500	wmic.exe
Token: 35	2500	wmic.exe
Token: 36	2500	wmic.exe
Token: SeIncreaseQuotaPrivilege	2500	wmic.exe
Token: SeSecurityPrivilege	2500	wmic.exe
Token: SeTakeOwnershipPrivilege	2500	wmic.exe
Token: SeLoadDriverPrivilege	2500	wmic.exe
Token: SeSystemProfilePrivilege	2500	wmic.exe
Token: SeSystemtimePrivilege	2500	wmic.exe
Token: SeProfSingleProcessPrivilege	2500	wmic.exe
Token: SeIncBasePriorityPrivilege	2500	wmic.exe
Token: SeCreatePagefilePrivilege	2500	wmic.exe
Token: SeBackupPrivilege	2500	wmic.exe
Token: SeRestorePrivilege	2500	wmic.exe
Token: SeShutdownPrivilege	2500	wmic.exe
Token: SeDebugPrivilege	2500	wmic.exe
Token: SeSystemEnvironmentPrivilege	2500	wmic.exe
Token: SeRemoteShutdownPrivilege	2500	wmic.exe
Token: SeUndockPrivilege	2500	wmic.exe
Token: SeManageVolumePrivilege	2500	wmic.exe
Token: 33	2500	wmic.exe
Token: 34	2500	wmic.exe
Token: 35	2500	wmic.exe
Token: 36	2500	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2500	1656	cyber vortex 3.exe	84
PID 1656 wrote to memory of 2500	1656	cyber vortex 3.exe	84

C:\Users\Admin\AppData\Local\Temp\cyber vortex 3.exe
"C:\Users\Admin\AppData\Local\Temp\cyber vortex 3.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2500

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4176

Network

MITRE ATT&CK Matrix

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Downloads

memory/1656-133-0x000001F507C30000-0x000001F507C8E000-memory.dmp

Filesize
376KB

Download
memory/1656-134-0x000001F509820000-0x000001F509830000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads