bfb566edd093383033a1f6d5d67a4e4517242b8d52671f46a4126123034db51e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 01:35

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General

Target

38d9253de365a8ef1551581ce9a78245.exe
Size

115KB
MD5

38d9253de365a8ef1551581ce9a78245
SHA1

ca7ca5df2dc9e54a0ec58cae54bb214b7de9a381
SHA256

bfb566edd093383033a1f6d5d67a4e4517242b8d52671f46a4126123034db51e
SHA512

7ed560611881be81b5830afea2f9d5c124ebd344081fa8f1b6efb4b0323758518b3a40ac5a5368fdcd181580d0202f438c4ef7eb4ad912816e1b5a31714fcc2c
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01F:z6a+CdOOtEvwDpjczX

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	38d9253de365a8ef1551581ce9a78245.exe

Executes dropped EXE 1 IoCs

pid	Process
4352	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3800-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000900000002313b-13.dat	upx
behavioral2/memory/3800-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/4352-26-0x0000000000500000-0x0000000000510000-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 3800 wrote to memory of 4352	3800	38d9253de365a8ef1551581ce9a78245.exe	85
PID 3800 wrote to memory of 4352	3800	38d9253de365a8ef1551581ce9a78245.exe	85
PID 3800 wrote to memory of 4352	3800	38d9253de365a8ef1551581ce9a78245.exe	85

C:\Users\Admin\AppData\Local\Temp\38d9253de365a8ef1551581ce9a78245.exe
"C:\Users\Admin\AppData\Local\Temp\38d9253de365a8ef1551581ce9a78245.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4352

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
115KB

MD5
90c51fc008107a38256602dd9bf8a09d

SHA1
51dd65cff2cf685d6450eb0d17728781d33e439d

SHA256
a38401d859db370dfe49604f43c103961ab69b67c2c3d668405f7d7b8784856a

SHA512
5f241b1ab419bfcb55f0c5264044701fd708bd238c7156f773d33e2b8229e84ae368bdf220ee9d7c7a9c15dde1fd65a6609c6e4e19697b77e3431460a8e76239

Download Submit
memory/3800-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3800-3-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3800-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/3800-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/3800-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4352-19-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/4352-25-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4352-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download