eb3d53ab3832363ac56d1cd70dbb35fa4675d2dbe828165c881b1e7ea553e29e

Analysis

max time kernel
188s
max time network
78s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 22:22

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General

Target

native/__init__.pyo
Size

176B
MD5

b7e864f0869693ed5acf30d01948975d
SHA1

d94244b4250a07962417b357f21dfe32d2e378b8
SHA256

8d038e2e32eaa99a1887779361612744b63fd1ece9e95e557ad67f209e7766eb
SHA512

efc87f877773a11cc9712f525f3273969fbb5f648c69ec25daa01a963b1276716e62e7193fb8262b80cb8490ebeeccf8b65a2d14f344d0ceb3cc03fccd254826

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-1-5-21-3385717845-2518323428-350143044-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\pyo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1724	AcroRd32.exe
1724	AcroRd32.exe
1724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 1884	940	cmd.exe	29
PID 940 wrote to memory of 1884	940	cmd.exe	29
PID 940 wrote to memory of 1884	940	cmd.exe	29
PID 1884 wrote to memory of 1724	1884	rundll32.exe	30
PID 1884 wrote to memory of 1724	1884	rundll32.exe	30
PID 1884 wrote to memory of 1724	1884	rundll32.exe	30
PID 1884 wrote to memory of 1724	1884	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\native\__init__.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\native\__init__.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1884
- - 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\native\__init__.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1724

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/940-54-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1724-82-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download