61e28c0fb59a2c325ad245b9b964ed25f69bc7246ea6d6b9f8e5206d60c29288

Analysis

max time kernel
28s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 14:31

Target

61e28c0fb59a2c325ad245b9b964ed25f69bc7246ea6d6b9f8e5206d60c29288.dll
Size

36KB
MD5

6271622c616c13627bfa182741f828c8
SHA1

723718e9804561c19e48e5eace3cc85be2ad36cb
SHA256

61e28c0fb59a2c325ad245b9b964ed25f69bc7246ea6d6b9f8e5206d60c29288
SHA512

ab49b26da909b5cc71a105da1cf74124f43a844c19ba9c1d6282553d00f94545a86fcd58ba249f39fc168167ea7fa9f084e761ec5d44f1572669bff13cdf10a8
SSDEEP

384:kqgZzRc9yOYwLVy+kDguVSLrYvTttHk+aQv1pFw/O58DY:klackuVgrYLLEzs1XIOWE

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
1300	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1732	rundll32.exe
1732	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1928 wrote to memory of 1732	1928	rundll32.exe	28
PID 1732 wrote to memory of 936	1732	rundll32.exe	29
PID 1732 wrote to memory of 936	1732	rundll32.exe	29
PID 1732 wrote to memory of 936	1732	rundll32.exe	29
PID 1732 wrote to memory of 936	1732	rundll32.exe	29
PID 936 wrote to memory of 1300	936	cmd.exe	31
PID 936 wrote to memory of 1300	936	cmd.exe	31
PID 936 wrote to memory of 1300	936	cmd.exe	31
PID 936 wrote to memory of 1300	936	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61e28c0fb59a2c325ad245b9b964ed25f69bc7246ea6d6b9f8e5206d60c29288.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61e28c0fb59a2c325ad245b9b964ed25f69bc7246ea6d6b9f8e5206d60c29288.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:936
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1300

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/936-56-0x0000000000000000-mapping.dmp

Download
memory/1300-59-0x0000000000000000-mapping.dmp

Download
memory/1732-54-0x0000000000000000-mapping.dmp

Download
memory/1732-55-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download