b150e4cfbd5012ecdede4950d04e9d8cfdff4f4c48b16d6a73f8fc94b736f87c

Analysis

max time kernel
177s
max time network
202s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 07:15

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General

Target

b150e4cfbd5012ecdede4950d04e9d8cfdff4f4c48b16d6a73f8fc94b736f87c.dll
Size

60KB
MD5

c0dbb6c02a79897c5d82fbb91d85a9dd
SHA1

218c56687999f128f1bcc0c5b4b9a542a134c5f6
SHA256

b150e4cfbd5012ecdede4950d04e9d8cfdff4f4c48b16d6a73f8fc94b736f87c
SHA512

cfc8874901a8d8e5479393f9def1a61dee6ff239dd4e88133b0c503cb58d8b15d2cd7dde34b77cdba77d495fc3886fe5289c626be310266d48ddc4eab459c03b
SSDEEP

768:UBZX+Nzp4mjNx4Ds4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:UPdc1inuWdB9r8YXPJY2BmscY

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	cmd.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 2 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
3364	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 1020	4964	rundll32.exe	83
PID 4964 wrote to memory of 1020	4964	rundll32.exe	83
PID 4964 wrote to memory of 1020	4964	rundll32.exe	83
PID 1020 wrote to memory of 1700	1020	rundll32.exe	84
PID 1020 wrote to memory of 1700	1020	rundll32.exe	84
PID 1020 wrote to memory of 1700	1020	rundll32.exe	84
PID 1700 wrote to memory of 3364	1700	cmd.exe	86
PID 1700 wrote to memory of 3364	1700	cmd.exe	86
PID 1700 wrote to memory of 3364	1700	cmd.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b150e4cfbd5012ecdede4950d04e9d8cfdff4f4c48b16d6a73f8fc94b736f87c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b150e4cfbd5012ecdede4950d04e9d8cfdff4f4c48b16d6a73f8fc94b736f87c.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:3364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/1020-134-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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