umbral | e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0

Analysis

max time kernel
94s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2025 17:25

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General

Target

e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0.exe
Size

266KB
MD5

1207c1981b07615b9c02fb400030fa04
SHA1

02abf488720b4bd450fedc5a34ed59f66d8e73e8
SHA256

e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0
SHA512

4051b8d7f9c36e03141afb3c573fb3525a33238fd6ddb8085c78e31fe89b6f0ffbb77e54c5d21bc404bb1f69e3cf8280eb6d42196d84ee80e4dfd07b8eca3b0b
SSDEEP

6144:HloZMLrIkd8g+EtXHkv/iD4LEXrfPlO2Zic1niinT4Xb8e1mfi/eYk:FoZ0L+EP8LQrfPlO2Zic1niinTqh/Zk

Score

10^/10

umbral discovery stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/1452-1-0x000001CFDA6A0000-0x000001CFDA6E8000-memory.dmp	family_umbral

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
32	3368	Process not Found

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2460	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0.exe
Token: SeIncreaseQuotaPrivilege	3264	wmic.exe
Token: SeSecurityPrivilege	3264	wmic.exe
Token: SeTakeOwnershipPrivilege	3264	wmic.exe
Token: SeLoadDriverPrivilege	3264	wmic.exe
Token: SeSystemProfilePrivilege	3264	wmic.exe
Token: SeSystemtimePrivilege	3264	wmic.exe
Token: SeProfSingleProcessPrivilege	3264	wmic.exe
Token: SeIncBasePriorityPrivilege	3264	wmic.exe
Token: SeCreatePagefilePrivilege	3264	wmic.exe
Token: SeBackupPrivilege	3264	wmic.exe
Token: SeRestorePrivilege	3264	wmic.exe
Token: SeShutdownPrivilege	3264	wmic.exe
Token: SeDebugPrivilege	3264	wmic.exe
Token: SeSystemEnvironmentPrivilege	3264	wmic.exe
Token: SeRemoteShutdownPrivilege	3264	wmic.exe
Token: SeUndockPrivilege	3264	wmic.exe
Token: SeManageVolumePrivilege	3264	wmic.exe
Token: 33	3264	wmic.exe
Token: 34	3264	wmic.exe
Token: 35	3264	wmic.exe
Token: 36	3264	wmic.exe
Token: SeIncreaseQuotaPrivilege	3264	wmic.exe
Token: SeSecurityPrivilege	3264	wmic.exe
Token: SeTakeOwnershipPrivilege	3264	wmic.exe
Token: SeLoadDriverPrivilege	3264	wmic.exe
Token: SeSystemProfilePrivilege	3264	wmic.exe
Token: SeSystemtimePrivilege	3264	wmic.exe
Token: SeProfSingleProcessPrivilege	3264	wmic.exe
Token: SeIncBasePriorityPrivilege	3264	wmic.exe
Token: SeCreatePagefilePrivilege	3264	wmic.exe
Token: SeBackupPrivilege	3264	wmic.exe
Token: SeRestorePrivilege	3264	wmic.exe
Token: SeShutdownPrivilege	3264	wmic.exe
Token: SeDebugPrivilege	3264	wmic.exe
Token: SeSystemEnvironmentPrivilege	3264	wmic.exe
Token: SeRemoteShutdownPrivilege	3264	wmic.exe
Token: SeUndockPrivilege	3264	wmic.exe
Token: SeManageVolumePrivilege	3264	wmic.exe
Token: 33	3264	wmic.exe
Token: 34	3264	wmic.exe
Token: 35	3264	wmic.exe
Token: 36	3264	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 3264	1452	e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0.exe	90
PID 1452 wrote to memory of 3264	1452	e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0.exe	90

C:\Users\Admin\AppData\Local\Temp\e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0.exe
"C:\Users\Admin\AppData\Local\Temp\e0310128f52613f4c4d92709888560dcfc9fd5d6501e1bd75b1c5ed3646cf8c0.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3264

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0Nzk3ODIwNDc3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1452-0-0x00007FF821BE3000-0x00007FF821BE5000-memory.dmp

Filesize
8KB

Download
memory/1452-1-0x000001CFDA6A0000-0x000001CFDA6E8000-memory.dmp

Filesize
288KB

Download
memory/1452-2-0x00007FF821BE0000-0x00007FF8226A1000-memory.dmp

Filesize
10.8MB

Download
memory/1452-4-0x00007FF821BE0000-0x00007FF8226A1000-memory.dmp

Filesize
10.8MB

Download