8f30074dc51177c6121ce4dfeaf8bf621c7ad1fe658c59609fc2bd2ce0b2f282

Analysis

max time kernel
146s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 16:07

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General

Target

414f6f3e7f4caf0f5b19338df48f6a7e.dll
Size

60KB
MD5

414f6f3e7f4caf0f5b19338df48f6a7e
SHA1

6b553ce8a1ae74603261b9f2e32baa79a982bb04
SHA256

8f30074dc51177c6121ce4dfeaf8bf621c7ad1fe658c59609fc2bd2ce0b2f282
SHA512

545a32e0fbaa07176c30953942ce13b8edc69862f684da5c8e0946af5ebe87a915de88ebae37b46f20edb8db7179499ca2d3142f87f2b45023d4a509e33bd4f0
SSDEEP

768:OBZX+Nzp4mjNx4Ss4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:OPdc2inuWdB9r8YXPJY2BmscY

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	cmd.exe

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

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-1-5-21-996941297-2279405024-2328152752-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1520	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4848	rundll32.exe
4848	rundll32.exe
4848	rundll32.exe
4848	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 4848	3940	rundll32.exe	88
PID 3940 wrote to memory of 4848	3940	rundll32.exe	88
PID 3940 wrote to memory of 4848	3940	rundll32.exe	88
PID 4848 wrote to memory of 2084	4848	rundll32.exe	89
PID 4848 wrote to memory of 2084	4848	rundll32.exe	89
PID 4848 wrote to memory of 2084	4848	rundll32.exe	89
PID 2084 wrote to memory of 1520	2084	cmd.exe	92
PID 2084 wrote to memory of 1520	2084	cmd.exe	92
PID 2084 wrote to memory of 1520	2084	cmd.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\414f6f3e7f4caf0f5b19338df48f6a7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\414f6f3e7f4caf0f5b19338df48f6a7e.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4848
- - 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:2084
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/4848-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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