c596f5fa261648273af72a1d93b866ef0c8fabc8ccf370025250f6448dbc4f20

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 10:50

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General

Target

lib/types.pyc
Size

3KB
MD5

c85f4be83dd4a287f04d5760cc1d713f
SHA1

35d62196e03b72335040057b57c0ce5700723eb9
SHA256

85f98714a0fb21febd45c4fd9c230c04c1491a52eda42cb14cc2190e5bc63309
SHA512

8dbd9ae3f67a07cedfec610bdfcce9b071f8a2cd598a38a51125cbc8ce04cec9b6fd2c0bc6ab28c671b500d05e5e71e3123b1e1ebbb95801bcec3d9b18fb71b2

Score

3^/10

Malware Config

Signatures

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1980	1096	cmd.exe	28
PID 1096 wrote to memory of 1980	1096	cmd.exe	28
PID 1096 wrote to memory of 1980	1096	cmd.exe	28
PID 1980 wrote to memory of 1224	1980	rundll32.exe	29
PID 1980 wrote to memory of 1224	1980	rundll32.exe	29
PID 1980 wrote to memory of 1224	1980	rundll32.exe	29
PID 1980 wrote to memory of 1224	1980	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lib\types.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lib\types.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\lib\types.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1096-54-0x000007FEFC291000-0x000007FEFC293000-memory.dmp

Filesize
8KB

Download
memory/1224-82-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download