29d8e8b185225049deab5f084eaea479e0421185e294b4d25baa6260789f5445

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 15:25

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General

Target

29d8e8b185225049deab5f084eaea479e0421185e294b4d25baa6260789f5445.dll
Size

32KB
MD5

6b08de5a910c66764a8f2e106d176336
SHA1

4b5d7ff1e441f33bc23db9f70fa8e5a2f05347a5
SHA256

29d8e8b185225049deab5f084eaea479e0421185e294b4d25baa6260789f5445
SHA512

1cd366730a4990894498f7b435330faf5222c7aaee38c51770866f2e728e49928d5984d202e2e326a00f1f226a5628dfa80126e9cb50f7bb0e66bfea7ae99cfc
SSDEEP

384:W5CnW0KRE1pS5s4VmWX2uMkn7BP5aznC50D1Wwkk58Cg:WAdFSJ2uMkZ5ao0D1W7kWC

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-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4308	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 3584	3208	rundll32.exe	81
PID 3208 wrote to memory of 3584	3208	rundll32.exe	81
PID 3208 wrote to memory of 3584	3208	rundll32.exe	81
PID 3584 wrote to memory of 2612	3584	rundll32.exe	82
PID 3584 wrote to memory of 2612	3584	rundll32.exe	82
PID 3584 wrote to memory of 2612	3584	rundll32.exe	82
PID 2612 wrote to memory of 4308	2612	cmd.exe	85
PID 2612 wrote to memory of 4308	2612	cmd.exe	85
PID 2612 wrote to memory of 4308	2612	cmd.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\29d8e8b185225049deab5f084eaea479e0421185e294b4d25baa6260789f5445.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\29d8e8b185225049deab5f084eaea479e0421185e294b4d25baa6260789f5445.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3584
- - 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:2612
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:4308

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

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