a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 04:31

Target

a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll
Size

64KB
MD5

ac54cd6eeca22af61a18f3e1b3eb1039
SHA1

6207be540bdcbd588395fab4779fafb2ea238737
SHA256

a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665
SHA512

61a3dfc81c645e6e3dfaa291fdb59c1649de739c0ac0e973adfe172f91013add139a921c8e12413f62e4cf6d98746c082e8133ba747fd44cd053e1c738546694
SSDEEP

768:75ZBpuOTZZLjK3o5mVVraDh18Rh+WAz10iAceNretN/QwmGXLljL89QgX:D/xZfDe+Wm0p0t1QlGX5QL

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
1376	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1744	rundll32.exe
1744	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1104 wrote to memory of 1744	1104	rundll32.exe	27
PID 1744 wrote to memory of 1960	1744	rundll32.exe	28
PID 1744 wrote to memory of 1960	1744	rundll32.exe	28
PID 1744 wrote to memory of 1960	1744	rundll32.exe	28
PID 1744 wrote to memory of 1960	1744	rundll32.exe	28
PID 1960 wrote to memory of 1376	1960	cmd.exe	30
PID 1960 wrote to memory of 1376	1960	cmd.exe	30
PID 1960 wrote to memory of 1376	1960	cmd.exe	30
PID 1960 wrote to memory of 1376	1960	cmd.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1376

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/1744-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

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