8f30074dc51177c6121ce4dfeaf8bf621c7ad1fe658c59609fc2bd2ce0b2f282

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2552	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2804	rundll32.exe
2804	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2916 wrote to memory of 2804	2916	rundll32.exe	28
PID 2804 wrote to memory of 860	2804	rundll32.exe	29
PID 2804 wrote to memory of 860	2804	rundll32.exe	29
PID 2804 wrote to memory of 860	2804	rundll32.exe	29
PID 2804 wrote to memory of 860	2804	rundll32.exe	29
PID 860 wrote to memory of 2552	860	cmd.exe	31
PID 860 wrote to memory of 2552	860	cmd.exe	31
PID 860 wrote to memory of 2552	860	cmd.exe	31
PID 860 wrote to memory of 2552	860	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\414f6f3e7f4caf0f5b19338df48f6a7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- 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:2804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:860
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:2552

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

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/2804-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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