Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/04/2026, 15:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe
Resource
win10v2004-20260130-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe
Resource
win11-20260130-en
5 signatures
150 seconds
General
- Target b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe
- Size 1.8MB
- Sample260428-sry9vae14j
- SHA256 b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222
- MD5 9a71ebb002a9747c115ab92b8c1ef121
- SHA1 0d086413670712421fa83e7f7975461b1611f4d1
- SHA512 81d92d690634ad3482eb02e70fbd3185a9957ceb5e9ab42c31d4b4e9b52ea88086e8315e6cf0c2a4be6db9a9b0607cfd342b49d152632e04be3267ede8a55520
- SSDEEP 24576:vPXYqU0jsaHTIzhoAOM08/85RkptVIJqX/0Yz7KEMdX6keYnAcer9:3If0jsaHk3OMjUfkptVxX/0YPKEnSG
- TLSH T1D695D016B8E6C171E4A351729EEAC21C6274E0AB833645EBF6CC900B9F655D18733F63
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3028 alg.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\System32\alg.exe b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe File opened for modification C:\Windows\system32\AppVClient.exe b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4620 4288 WerFault.exe 78 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 4288 b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe"C:\Users\Admin\AppData\Local\Temp\b50f5d866289bc78d3d202d5512629e3867324f99bb4162602c6a3ffa48e4222.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4288 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 8682⤵
- Program crash
PID:4620
-
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
PID:3028
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4288 -ip 42881⤵PID:716
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\System32\alg.exe
- Size 1.6MB
- SHA256 ccfc28865f334ce93343c109f7845c7f590c989f91f266c256c7b26a22d6942f
- MD5 1a714d81644ba670c2dceed37e60695d
- SHA1 429efc7a7e168600f8788c82f8b59d6ac0dccfe7
- SHA512 775944b9d41952db11e7275096d90a51c8df04c1b3a8f98540e0067d1201ae02bb8b1a882491f5c8e0cf6f1561cf257193760ec6574c23a6945d99457a24c587
- SSDEEP 12288:ulYJeXm5nkEUuEs45Oz7KjwMdXrcxyXSA/cbnTc+ADcce1YGRkT:ulYJeXm5jUuEvYz7KEMdX6keYnAceru
- TLSH T17075120C66AD70E1F02E817EEAA14900D372F4A6274553FF85D4D1768F6BAE21E39F81
- MD5 SHA1 SHA512 SSDEEP TLSH