1296d48e01eb21917aeacd0a70eb0bcccc53752ac6ce6bdc97ed1dcdf3298cb3

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2023, 02:35

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General

Target
x4vHvrR5KfYz.exe
Size 483KB
Sample231126-c2187aef8z
SHA256 1296d48e01eb21917aeacd0a70eb0bcccc53752ac6ce6bdc97ed1dcdf3298cb3
MD5 2c9f623c0e04ed8cee89b3d24d57252a
SHA1 2fec48c126059353981a0df2a74b8cf0a08341c7
SHA512 fc51c179d0d3a88f829ccca003267c995fe40e89fad6b319f4c09a863193dd3c1f0382732f0b14b3ad690ba3e9c07e94693d052b80f851217ef744af55a801e3
SSDEEP 6144:2/7iPrcL3ArwhBq7Kjsn9iHGXg0lwGS9MNNhdFvPxps9gsAOZZuAXec7Wo7ov:2/uPq3AfK496Gw0lwGXN3pvs/Zu28v
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	x4vHvrR5KfYz.exe

Deletes itself 1 IoCs

pid	Process
3380	WScript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000_Classes\Local Settings	x4vHvrR5KfYz.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 3380	1472	x4vHvrR5KfYz.exe	93
PID 1472 wrote to memory of 3380	1472	x4vHvrR5KfYz.exe	93
PID 1472 wrote to memory of 3380	1472	x4vHvrR5KfYz.exe	93

C:\Users\Admin\AppData\Local\Temp\x4vHvrR5KfYz.exe
"C:\Users\Admin\AppData\Local\Temp\x4vHvrR5KfYz.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\blmmxznwdvatqn.vbs"
  2⤵
  - Deletes itself
  PID:3380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

blmmxznwdvatqn.vbs

Path C:\Users\Admin\AppData\Local\Temp\blmmxznwdvatqn.vbs
Size 520B
SHA256 1d5b3241f0e6b822a79387c6b684d4acfdf6b13f68200a9ab11d68f1eae7c04a
MD5 ba68137b3ca4234c30879bf8e6ce8c1f
SHA1 9b002aee71bc5b1e45059c36546781a5473be0b3
SHA512 f6f56dd4219986b40e0b3b5eea38a6b7a1e9967cc74eaf6eb6d8df8c9cd487a829c858bac3c7f14040a3d530cfafb509d27d5da3e8db3817cd6d47621dd8ecec
MD5 SHA1 SHA512

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