774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 00:33

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General

Target

774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe
Size

38KB
MD5

5032a18d93e34d5cf77f75d93699bc45
SHA1

3c07f7835c3e68359712a701f493a38e6f36f70b
SHA256

774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b
SHA512

be13ea4bbaf93f2a7d90695e1bfa0d6f5fc885f63ac2c7c2936ea7ac5d37902cef68c59578ff0008c489e487bccc43cc776ce000dceacada51995c80e68f12b6
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK38nA:qUmnpomddpMOtEvwDpjjaYaQ8A

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

Processes:

774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

4188 asih.exe

pid	process
4188	asih.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4504-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\asih.exe	upx
behavioral2/memory/4188-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4504-19-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4188-27-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe

description	pid	process	target process
PID 4504 wrote to memory of 4188	4504	774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe	asih.exe
PID 4504 wrote to memory of 4188	4504	774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe	asih.exe
PID 4504 wrote to memory of 4188	4504	774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe
"C:\Users\Admin\AppData\Local\Temp\774846299549b40645c5e387038774f5ddf84b4ccfad932e208034921e23ee9b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4504

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:4188

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
38KB

MD5
28dc0ff18e04feee47a828052b556521

SHA1
9cc6b844e6ceb3bd9beb036a32dabc5653ab76cf

SHA256
6007c922fca1326cda33f838f88317ec4dd3352cf2ae4e6aa7be42db5bf3d6b9

SHA512
3a44210565d8f4fe0658bfb0e2aed40a66b4be0c551bc5ff6789d86f3b71321f5a216e8a314fd2e1d7ed668038174c8bcb1faed76514fb3c3962465091bc406e

Download Submit
memory/4188-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4188-21-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/4188-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4504-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4504-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4504-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4504-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4504-19-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download