2657441a1cc569062fa12d0fd6387620d541fe11f82d757a4b1c5266fd2c5044

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 20:50

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General

Target

b99ff04966b6415e7399710052da2765.exe
Size

28KB
MD5

b99ff04966b6415e7399710052da2765
SHA1

456a799827450c4f340bf168d812070864a3ab31
SHA256

2657441a1cc569062fa12d0fd6387620d541fe11f82d757a4b1c5266fd2c5044
SHA512

2440952da0b3dad479fa9e66960083f4bf0bc6c6dac977599bd9e40f84e4eb623cfb18b62099732069515437663e8ca31aad6c8eb05b608f4bb249aac64df673
SSDEEP

768:RHgKGi+WLHxGRP6tQ7iXJsTppUg733ig0Gxk:ljD+WLHAl662+4BOx

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	b99ff04966b6415e7399710052da2765.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3812-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/3812-3-0x0000000000400000-0x0000000000413000-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 3812 wrote to memory of 4340	3812	b99ff04966b6415e7399710052da2765.exe	92
PID 3812 wrote to memory of 4340	3812	b99ff04966b6415e7399710052da2765.exe	92
PID 3812 wrote to memory of 4340	3812	b99ff04966b6415e7399710052da2765.exe	92

C:\Users\Admin\AppData\Local\Temp\b99ff04966b6415e7399710052da2765.exe
"C:\Users\Admin\AppData\Local\Temp\b99ff04966b6415e7399710052da2765.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\a..bat" > nul 2> nul
  2⤵
  PID:4340

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\a..bat

Filesize
210B

MD5
62cce18eb609fc4917c861ce27c465f0

SHA1
4a3c7c86ee49a943ac13c2034363c18278ac80ca

SHA256
93819a72cc58fcfb1edf4af425dbd4c69ed31a22a44f3338799cb73dfc6c92f0

SHA512
1e0a30bd9fb19e9581d96d84f5908348229e151d1e7d3208022dc694d782e179b75aa789bd65d44e4776e057d77ad4e6f50ceb32f5460f1ca535880cd13d1787

Download Submit
memory/3812-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3812-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/3812-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download