a566a016e89fc9ababd27b6dc35d35a402c6e8a561660985578b3066b25e0f43

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 07:13

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General

Target

7f377bce36f0fb85e337daee2421a252.exe
Size

13KB
MD5

7f377bce36f0fb85e337daee2421a252
SHA1

2536fb30a583d81012e87f386317ec096362c6a6
SHA256

a566a016e89fc9ababd27b6dc35d35a402c6e8a561660985578b3066b25e0f43
SHA512

ed5c726d0552ef7f168949a92c18e74006bef0a5fe733be7bcac3e9c85b5fb522f6defec21a6d0e3142be10605adc2c46b1b335122c971c79602d32be432afc7
SSDEEP

384:WvpF/6oNYqKxXxDHyZ3ubQKt2TghYFFdeYXP:Wxx6oJoxDH63ubXkTgmBX

Score

7^/10

upx

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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	7f377bce36f0fb85e337daee2421a252.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2804-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2804-1-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2804-3-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2804-5-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2804-10-0x0000000000400000-0x000000000040E000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl\CLSID	7f377bce36f0fb85e337daee2421a252.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl	7f377bce36f0fb85e337daee2421a252.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl\CLSID\ = "{6BF52A52-394A-11D3-B153-00C04F79FAA6}"	7f377bce36f0fb85e337daee2421a252.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2804	7f377bce36f0fb85e337daee2421a252.exe
2804	7f377bce36f0fb85e337daee2421a252.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2692	2804	7f377bce36f0fb85e337daee2421a252.exe	92
PID 2804 wrote to memory of 2692	2804	7f377bce36f0fb85e337daee2421a252.exe	92
PID 2804 wrote to memory of 2692	2804	7f377bce36f0fb85e337daee2421a252.exe	92

C:\Users\Admin\AppData\Local\Temp\7f377bce36f0fb85e337daee2421a252.exe
"C:\Users\Admin\AppData\Local\Temp\7f377bce36f0fb85e337daee2421a252.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\wewt0.bat" "
  2⤵
  PID:2692

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

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\wewt0.bat

Filesize
274B

MD5
73541c95d9908af7c01f2c418649faf7

SHA1
08a37dd54d354d8adf9b3d18dae34f1df2985a5e

SHA256
44be82eb14f5776add8df87a7ccff2bc7a3ff608ddfa72dea7ca6c0e8ad3c44b

SHA512
7ceaa9c11d8aeb5a29f2fd00dfa2d99102b212a40a28aa0d654972d144772fc3ba1c9d79bca23640a0e9dd7dc7ca14aaa68e0c165745b080faee94ac5071247f

Download Submit
memory/2804-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2804-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2804-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2804-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2804-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download