umbral | f93a795061feb67c11e5d84b79fc80893a53193efda4927134b4558f0ee9abc0

Analysis

max time kernel
91s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2025 15:29

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General

Target

GeneratorkontFortnite/FortniteGeneratorKontFree.exe
Size

229KB
MD5

e832bd1f241d7756833ae95396a59a7f
SHA1

e7d019edd30c7734dab54581370b6d2eda9fff2f
SHA256

3b6c7693f2f8ee8e86b6f6e983e0c0973fe70ebbcff638361710e335256f350f
SHA512

1e0d2969528956c95e008acddaccbe729c6fa4042d6d4ed778bfe3629030ba6f77a18f547217e1c878e2f6ccb95ba3260b2be8cd9fc662ae193fd9046ffa92af
SSDEEP

6144:VloZM+rIkd8g+EtXHkv/iD4J1A9hv0IHq2PxM4dE1b8e1mvzi:3oZtL+EP8J1A9hv0IHq2PxM4dkd

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2940-1-0x000001DF86290000-0x000001DF862D0000-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
23	ip-api.com

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	FortniteGeneratorKontFree.exe
Token: SeIncreaseQuotaPrivilege	1180	wmic.exe
Token: SeSecurityPrivilege	1180	wmic.exe
Token: SeTakeOwnershipPrivilege	1180	wmic.exe
Token: SeLoadDriverPrivilege	1180	wmic.exe
Token: SeSystemProfilePrivilege	1180	wmic.exe
Token: SeSystemtimePrivilege	1180	wmic.exe
Token: SeProfSingleProcessPrivilege	1180	wmic.exe
Token: SeIncBasePriorityPrivilege	1180	wmic.exe
Token: SeCreatePagefilePrivilege	1180	wmic.exe
Token: SeBackupPrivilege	1180	wmic.exe
Token: SeRestorePrivilege	1180	wmic.exe
Token: SeShutdownPrivilege	1180	wmic.exe
Token: SeDebugPrivilege	1180	wmic.exe
Token: SeSystemEnvironmentPrivilege	1180	wmic.exe
Token: SeRemoteShutdownPrivilege	1180	wmic.exe
Token: SeUndockPrivilege	1180	wmic.exe
Token: SeManageVolumePrivilege	1180	wmic.exe
Token: 33	1180	wmic.exe
Token: 34	1180	wmic.exe
Token: 35	1180	wmic.exe
Token: 36	1180	wmic.exe
Token: SeIncreaseQuotaPrivilege	1180	wmic.exe
Token: SeSecurityPrivilege	1180	wmic.exe
Token: SeTakeOwnershipPrivilege	1180	wmic.exe
Token: SeLoadDriverPrivilege	1180	wmic.exe
Token: SeSystemProfilePrivilege	1180	wmic.exe
Token: SeSystemtimePrivilege	1180	wmic.exe
Token: SeProfSingleProcessPrivilege	1180	wmic.exe
Token: SeIncBasePriorityPrivilege	1180	wmic.exe
Token: SeCreatePagefilePrivilege	1180	wmic.exe
Token: SeBackupPrivilege	1180	wmic.exe
Token: SeRestorePrivilege	1180	wmic.exe
Token: SeShutdownPrivilege	1180	wmic.exe
Token: SeDebugPrivilege	1180	wmic.exe
Token: SeSystemEnvironmentPrivilege	1180	wmic.exe
Token: SeRemoteShutdownPrivilege	1180	wmic.exe
Token: SeUndockPrivilege	1180	wmic.exe
Token: SeManageVolumePrivilege	1180	wmic.exe
Token: 33	1180	wmic.exe
Token: 34	1180	wmic.exe
Token: 35	1180	wmic.exe
Token: 36	1180	wmic.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1180	2940	FortniteGeneratorKontFree.exe	86
PID 2940 wrote to memory of 1180	2940	FortniteGeneratorKontFree.exe	86

C:\Users\Admin\AppData\Local\Temp\GeneratorkontFortnite\FortniteGeneratorKontFree.exe
"C:\Users\Admin\AppData\Local\Temp\GeneratorkontFortnite\FortniteGeneratorKontFree.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1180

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2940-0-0x00007FFA763E3000-0x00007FFA763E5000-memory.dmp

Filesize
8KB

Download
memory/2940-1-0x000001DF86290000-0x000001DF862D0000-memory.dmp

Filesize
256KB

Download
memory/2940-2-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

Filesize
10.8MB

Download
memory/2940-3-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

Filesize
10.8MB

Download
memory/2940-5-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

Filesize
10.8MB

Download