212689dd6b767a3b00e39654a03b3b8df7d50fdfbb00b139c7a697e4bdf1b6a6

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
19/06/2024, 16:40

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General

Target

trichloromethane.exe-Malware-main/trichloromethane/PayloadMBR/Programs/png2bin.py
Size

1KB
MD5

32dfd28117b185e4870eaf506bb38af7
SHA1

b3f3572f0f4403d90889ee5cae7f0774759a1328
SHA256

f12bf9386320e3bf1419cc0227430d86c280d40a855b35aff36939f0396b11c7
SHA512

247b2ab09495f1a596bfcd567df5a39742591164b1472fd5e6c13d02dbcef0906212a8c06ddfdc8233e11af01cbf8b32536fff1550d7dc7599153d55edcf974d

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2812	2276	cmd.exe	29
PID 2276 wrote to memory of 2812	2276	cmd.exe	29
PID 2276 wrote to memory of 2812	2276	cmd.exe	29
PID 2812 wrote to memory of 2636	2812	rundll32.exe	30
PID 2812 wrote to memory of 2636	2812	rundll32.exe	30
PID 2812 wrote to memory of 2636	2812	rundll32.exe	30
PID 2812 wrote to memory of 2636	2812	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\trichloromethane.exe-Malware-main\trichloromethane\PayloadMBR\Programs\png2bin.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\trichloromethane.exe-Malware-main\trichloromethane\PayloadMBR\Programs\png2bin.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\trichloromethane.exe-Malware-main\trichloromethane\PayloadMBR\Programs\png2bin.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
ef43270828b9ab91295de64ece1c4594

SHA1
db0a83979aadea04461494d87760974694cf3763

SHA256
2bf07aabbe1d1723b617a6331eef35114b19f8ac6b4e304ebe1db3c43aafe7bf

SHA512
c19563df5428aae85a1149fb79776db8048531b8c011754de1de21eb6662a7965cf05de7eaf8932a973e7767805739eb0cfbea3270709a346af5882cf47effb8

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