aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195

Analysis

max time kernel
150s
max time network
204s
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, 15:39

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General

Target

aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll
Size

60KB
MD5

813e6448d3a5d16a775bb6f4e3d72586
SHA1

8fa2aff5599527e29fdfbdcd20d962b222c35ecd
SHA256

aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195
SHA512

43f74fe6e09e106bfe2c0cafaf9364155ca9a4d5f1411caa3602242b971fe7a5ba8a27ce47924942dbc65db6c918b8d915dc4f0fd551fbd088310c0bf1d07696
SSDEEP

768:+BZX+Nzp4mjNx4Ss4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:+Pdc2inuWdB9r8YXPJY2BmscY

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-1-5-21-4246620582-653642754-1174164128-1000\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-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4084	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 5092	2928	rundll32.exe	81
PID 2928 wrote to memory of 5092	2928	rundll32.exe	81
PID 2928 wrote to memory of 5092	2928	rundll32.exe	81
PID 5092 wrote to memory of 2468	5092	rundll32.exe	84
PID 5092 wrote to memory of 2468	5092	rundll32.exe	84
PID 5092 wrote to memory of 2468	5092	rundll32.exe	84
PID 2468 wrote to memory of 4084	2468	cmd.exe	86
PID 2468 wrote to memory of 4084	2468	cmd.exe	86
PID 2468 wrote to memory of 4084	2468	cmd.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aad9debc1e0fcae99c7572556737fabd17cc17678831141a769746594fd33195.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5092
- - 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:2468
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:4084

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/5092-134-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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