73a1acd0095d5d737783b637e3bd2e6ae74849d21ba5536456cf7c9a44e21d56

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08-07-2023 17:09

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General

Target

85e442a84cb974exeexeexeex.exe
Size

139KB
MD5

85e442a84cb9746320000b75c39f2413
SHA1

76bc129fc40ee1a7df3f01bfa200933752af8032
SHA256

73a1acd0095d5d737783b637e3bd2e6ae74849d21ba5536456cf7c9a44e21d56
SHA512

c8e771cd3aefe722e9440845a6bf81758cbe54dfb8b5508b39058fe38932868e05dbe852bd2d0f2f392c12e44ddd233a3860c94cbd686473f40a0d526b323ee0
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GjZT:z6a+CdOOtEvwDpjczw

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	85e442a84cb974exeexeexeex.exe

Executes dropped EXE 1 IoCs

pid	Process
936	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2828-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0006000000023229-145.dat	upx
behavioral2/files/0x0006000000023229-147.dat	upx
behavioral2/files/0x0006000000023229-148.dat	upx
behavioral2/memory/2828-149-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/936-157-0x0000000000500000-0x0000000000510000-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 2828 wrote to memory of 936	2828	85e442a84cb974exeexeexeex.exe	83
PID 2828 wrote to memory of 936	2828	85e442a84cb974exeexeexeex.exe	83
PID 2828 wrote to memory of 936	2828	85e442a84cb974exeexeexeex.exe	83

C:\Users\Admin\AppData\Local\Temp\85e442a84cb974exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\85e442a84cb974exeexeexeex.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:936

Network

MITRE ATT&CK Enterprise v6

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
139KB

MD5
88e6544f4b8d97c005122454375a8d1c

SHA1
ce12249d30b938218fc81ba1fd9e872612139120

SHA256
b5bc4404951e986eb41b7398e904f9aa7a63f3c45cd191a9d51b7b6c297b5041

SHA512
984e948fdda5471a276cdc88856d3dadc4a6655f0c8e12166a78fbdc8173918edb00e359e12e49ac2da7950962a9b49a5483aa190d431ff9a6fd5b6dbbd75528

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

Filesize
139KB

MD5
88e6544f4b8d97c005122454375a8d1c

SHA1
ce12249d30b938218fc81ba1fd9e872612139120

SHA256
b5bc4404951e986eb41b7398e904f9aa7a63f3c45cd191a9d51b7b6c297b5041

SHA512
984e948fdda5471a276cdc88856d3dadc4a6655f0c8e12166a78fbdc8173918edb00e359e12e49ac2da7950962a9b49a5483aa190d431ff9a6fd5b6dbbd75528

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

Filesize
139KB

MD5
88e6544f4b8d97c005122454375a8d1c

SHA1
ce12249d30b938218fc81ba1fd9e872612139120

SHA256
b5bc4404951e986eb41b7398e904f9aa7a63f3c45cd191a9d51b7b6c297b5041

SHA512
984e948fdda5471a276cdc88856d3dadc4a6655f0c8e12166a78fbdc8173918edb00e359e12e49ac2da7950962a9b49a5483aa190d431ff9a6fd5b6dbbd75528

Download Submit
memory/936-151-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/936-157-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2828-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2828-134-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2828-135-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2828-149-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download