umbral | 26e969ff139eddbef22c25339559ca9d0a9fa57c33ba1ce694555d808e98e73a

Analysis

max time kernel
103s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
08-02-2025 14:57

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General

Target

26e969ff139eddbef22c25339559ca9d0a9fa57c33ba1ce694555d808e98e73aN.exe
Size

266KB
MD5

06ed69fb8603816d21c0a44d500ed3f0
SHA1

646c21d11c839557646068074fb913644104fc1a
SHA256

26e969ff139eddbef22c25339559ca9d0a9fa57c33ba1ce694555d808e98e73a
SHA512

4979eb18a80869aefb0f6ac9717f17a4f36bc8eaeb8a79552ca7d083ba7b99034f5abd00004580af163cfa4f4b1773651ade929b5e78cc6a8ce8b6ca56570fa2
SSDEEP

6144:HloZMLrIkd8g+EtXHkv/iD4LEXrfPlO2Zic1niinT4Xb8e1mfi/eY:FoZ0L+EP8LQrfPlO2Zic1niinTqh/Z

Score

10^/10

umbral discovery stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/4512-1-0x000001FE18630000-0x000001FE18678000-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
40	4500	Process not Found

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
4012	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4512	26e969ff139eddbef22c25339559ca9d0a9fa57c33ba1ce694555d808e98e73aN.exe

C:\Users\Admin\AppData\Local\Temp\26e969ff139eddbef22c25339559ca9d0a9fa57c33ba1ce694555d808e98e73aN.exe
"C:\Users\Admin\AppData\Local\Temp\26e969ff139eddbef22c25339559ca9d0a9fa57c33ba1ce694555d808e98e73aN.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4512

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ5MjgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNzQzMjM4OTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0Nzk0NDM0MTEzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4012

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

Replay Monitor

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Downloads

memory/4512-0-0x00007FF9ED363000-0x00007FF9ED365000-memory.dmp

Filesize
8KB

Download
memory/4512-1-0x000001FE18630000-0x000001FE18678000-memory.dmp

Filesize
288KB

Download
memory/4512-2-0x00007FF9ED360000-0x00007FF9EDE21000-memory.dmp

Filesize
10.8MB

Download
memory/4512-3-0x00007FF9ED363000-0x00007FF9ED365000-memory.dmp

Filesize
8KB

Download
memory/4512-5-0x00007FF9ED360000-0x00007FF9EDE21000-memory.dmp

Filesize
10.8MB

Download