4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4

Analysis

max time kernel
272s
max time network
283s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 17:24

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General

Target

4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe
Size

172KB
MD5

5b06da69123e9439f139c0d9b394d4a5
SHA1

2e1e3321e0947f2321e338d80df5ec76777da22f
SHA256

4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4
SHA512

e5c75499faa38da1031c5e0f88a4f9ccbf4f3fef5f27e69b0405d52baa58e5b9563f6508ca0e10e38983927e37777f1dfeb9638f9ba4ba654899d4777cc88252
SSDEEP

3072:sBAp5XhKpN4eOyVTGfhEClj8jTk+0hax4BcPoc:bbXE9OiTGfhEClq9hGQ

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	cmd.exe

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\111234\09091\so1.txt	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe
File opened for modification	C:\Program Files (x86)\111234\09091\ad3g3gf.bat	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe
File opened for modification	C:\Program Files (x86)\111234\09091\12wgr5yhh.vbs	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe
File opened for modification	C:\Program Files (x86)\111234\09091\45h56h56h.vbs	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 4400	232	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe	85
PID 232 wrote to memory of 4400	232	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe	85
PID 232 wrote to memory of 4400	232	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe	85
PID 232 wrote to memory of 1360	232	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe	87
PID 232 wrote to memory of 1360	232	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe	87
PID 232 wrote to memory of 1360	232	4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe	87

C:\Users\Admin\AppData\Local\Temp\4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe
"C:\Users\Admin\AppData\Local\Temp\4741076bc189ff0790ca18dc87f3ddf037a35d56c17ff82bc2c7f9c13d6f41d4.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\111234\09091\ad3g3gf.bat" "
  2⤵
  - Drops file in Drivers directory
  PID:4400
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\111234\09091\12wgr5yhh.vbs"
  2⤵
  PID:1360

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

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Downloads

C:\Program Files (x86)\111234\09091\ad3g3gf.bat

Filesize
3KB

MD5
86f12381185a16f153d4ec8312c41315

SHA1
abce30c6baecb05ac1f31a88a5aa4c4d3372430d

SHA256
d95828fff0817f13397ed441117e0d4dd006a4ea5583a6b146b952a725e601c3

SHA512
58aef4a23846beb2268a902edd67d94626ee61e8b62d615b77a31d6842589d3e5221388f220beff675b975a81bfdfe53d5817b94159b0ff72436878603697983

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