6ed2a2e1ce6b7f7d8431e4766adadf56986769432c86a296cb032a5878719a37

Resubmissions

05/08/2026, 01:00

260805-bc4gksbc937

05/08/2026, 00:59

260805-bb35essvhw3

Analysis

user interaction
yes
max time kernel
66s
max time network
68s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 01:00

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General

Target
skin.rar
Size 151KB
Sample260805-bc4gksbc93
SHA256 6ed2a2e1ce6b7f7d8431e4766adadf56986769432c86a296cb032a5878719a37
MD5 f7bc068f0c79e41b989e2b668eb21800
SHA1 624ac0e202518f317ef410aea568bc7a51b5b3dd
SHA512 16d7fdbbf98320c8e0c0880aa8247887fe47d58f14926edd67ceaf6fed38f4a8f89ea601678a53e9bab73cb5daf824dec458ea5a82cc22672ecf4ee9b95ef0ea
SSDEEP 3072:NOyvBFEA/5RiChOTk7niD4JlBuxRY1eZo6ANqU4LhITK6V:nzECRzi0NuPYeNAknhkK6V
TLSH
T130E323A36056F1232710EBD794C5CA17C88AC0A9059D56B3863B33C3BC4FB53A672B57
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

execution

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4480	hookloader.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1160	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4796	7zFM.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4796	7zFM.exe
Token: 35	4796	7zFM.exe
Token: SeSecurityPrivilege	4796	7zFM.exe
Token: SeSecurityPrivilege	4796	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4796	7zFM.exe
4796	7zFM.exe
4796	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4480	4796	7zFM.exe	90
PID 4480 wrote to memory of 1160	4480	hookloader.exe	92

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\skin.rar"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\7zOCB231BA9\hookloader.exe
  "C:\Users\Admin\AppData\Local\Temp\7zOCB231BA9\hookloader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4480
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c pause > nul
    3⤵
    - Executes a command shell one-liner
    PID:1160

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

hookloader.exe

Path C:\Users\Admin\AppData\Local\Temp\7zOCB231BA9\hookloader.exe
Size 38KB
SHA256 25cfe68ea102ddd0ae8e1e140ac0d4961f80659c4c3b4db6e3def44bfdcdf199
MD5 a3897d371419865fab8ffa9f6d9beda7
SHA1 51665bfb56adfcd5c6b7748564dcba0c1e859b2e
SHA512 cacfc7f7938f5a44a7ca4ca2d1326dada121890ed2173a68c5f3945b015c7d53d74a1e8ac6244af34f985f5c006e4dff7be71b72e100cb3b2e13ca2416d5df03
SSDEEP 768:UTwR2ZkOYOv5N1fD47DKZ1qlA4OXGpC3PQm22hfNKsV4GMm3hU:TYkOYOv5N1fD47GZfhPdN9x
TLSH
T156031A1BA75644E8D1E6D279CEA70A4AC3F2BC050751A6CF1390825A5FB73D06C7EE42
MD5 SHA1 SHA512 SSDEEP TLSH

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