18a1a90e634f769a353d47bf4caf9f4111101866126c2c5ec34f1f00365e308b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 01:50

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General

Target

31ed1cda395acd7022235a65002c4cf7.exe
Size

116KB
MD5

31ed1cda395acd7022235a65002c4cf7
SHA1

f3b0c1025cebb7d567c8f6f166aada43215976a2
SHA256

18a1a90e634f769a353d47bf4caf9f4111101866126c2c5ec34f1f00365e308b
SHA512

166dc940e1a068941af7841c90b356cf0f9bcf21c9a67c56229a808848a772ab5aef90cf561724f323957101f4fc06c2b22e376f0b59115aee543933c58a3d28
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9R:T6a+rdOOtEvwDpjLz9

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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	31ed1cda395acd7022235a65002c4cf7.exe

Executes dropped EXE 1 IoCs

pid	Process
452	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4596-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000700000001e59e-13.dat	upx
behavioral2/memory/4596-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/452-26-0x0000000000500000-0x0000000000510000-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

description	pid	Process	procid_target
PID 4596 wrote to memory of 452	4596	31ed1cda395acd7022235a65002c4cf7.exe	89
PID 4596 wrote to memory of 452	4596	31ed1cda395acd7022235a65002c4cf7.exe	89
PID 4596 wrote to memory of 452	4596	31ed1cda395acd7022235a65002c4cf7.exe	89

C:\Users\Admin\AppData\Local\Temp\31ed1cda395acd7022235a65002c4cf7.exe
"C:\Users\Admin\AppData\Local\Temp\31ed1cda395acd7022235a65002c4cf7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:452

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
116KB

MD5
1c02c031d55539f19e346e1f3f702cae

SHA1
b91f82dfc58bb9981c48d1b4b041ae69279d6df7

SHA256
72143b383014c5ba81d906ff40297684252ae766542437105db45dfafed91a9a

SHA512
a5c66ee0253fd00e4be8d5d55e26a390c4978dd90d288f5871ca1d75860e52397056197f6f38d419bd71dd603928ead87ddb64183cfedd526ec872c602d6c84a

Download Submit
memory/452-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/452-21-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/452-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4596-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4596-1-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/4596-2-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/4596-3-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4596-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download