29d0adc220e1d91cc89cacb368f0d17bd70373185987395ee4644b146ee498f7

Analysis

max time kernel
43s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 10:10

Target

29d0adc220e1d91cc89cacb368f0d17bd70373185987395ee4644b146ee498f7.dll
Size

64KB
MD5

5f70366931354ee551848e5f667fa560
SHA1

0fb88d922009d18f7036600eb5b36044519edd5f
SHA256

29d0adc220e1d91cc89cacb368f0d17bd70373185987395ee4644b146ee498f7
SHA512

aff00f29f212d06409de4fc3d0ed109f77891bb06f640dd5788813cdeb6049260b5190dd11b4e6bf2048f1e8eacad96e385da49ec80a59c088e9a8da6f83998e
SSDEEP

768:HBZFFhoaH45mlFwqD+18jxz9WTuVNRKPN3B0kuMV0wvVVTa:HP1DLZWj3BaMV0cVVTa

Score

8^/10

persistence

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
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 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
596	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1372	rundll32.exe
1372	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 2040 wrote to memory of 1372	2040	rundll32.exe	28
PID 1372 wrote to memory of 776	1372	rundll32.exe	29
PID 1372 wrote to memory of 776	1372	rundll32.exe	29
PID 1372 wrote to memory of 776	1372	rundll32.exe	29
PID 1372 wrote to memory of 776	1372	rundll32.exe	29
PID 776 wrote to memory of 596	776	cmd.exe	31
PID 776 wrote to memory of 596	776	cmd.exe	31
PID 776 wrote to memory of 596	776	cmd.exe	31
PID 776 wrote to memory of 596	776	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\29d0adc220e1d91cc89cacb368f0d17bd70373185987395ee4644b146ee498f7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\29d0adc220e1d91cc89cacb368f0d17bd70373185987395ee4644b146ee498f7.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:776
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:596

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/1372-55-0x0000000076381000-0x0000000076383000-memory.dmp

Filesize
8KB

Download
memory/1372-58-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download