faad96bbcc51f115c9edd691785d1309e7663b67dcfcf7c11515c3d28c9c0f1f

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 21:41

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General

Target

MinGW64/bin/lib/encodings/base64_codec.py
Size

2KB
MD5

04f4540dc6f7be7b2800b8713af4dd02
SHA1

b59196a702597f6c4a29a4fa2c2dab227ce52f89
SHA256

cf0eba7dae05767ef434c355cd54649237b9e5629051b44f3f1a2a846384d6bf
SHA512

fb037f65c10ecea88473bf2cb26f0fc8f73aa87f9a56190430ccf65a646398b12650d46c956e323e7adb7d465ffb1250be449ab2062489e37eab48a7708243d5

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
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\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	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_auto_file\shell	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
Key created	\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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 3024	2852	cmd.exe	29
PID 2852 wrote to memory of 3024	2852	cmd.exe	29
PID 2852 wrote to memory of 3024	2852	cmd.exe	29
PID 3024 wrote to memory of 2664	3024	rundll32.exe	30
PID 3024 wrote to memory of 2664	3024	rundll32.exe	30
PID 3024 wrote to memory of 2664	3024	rundll32.exe	30
PID 3024 wrote to memory of 2664	3024	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MinGW64\bin\lib\encodings\base64_codec.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MinGW64\bin\lib\encodings\base64_codec.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3024
- - 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\MinGW64\bin\lib\encodings\base64_codec.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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

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Downloads

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

Filesize
3KB

MD5
48e3c5e7e0031d9be08bbbeaf4b4a53b

SHA1
984c811b7e4ee4b2aeb0265555189462358bcfd9

SHA256
db65a92a0e13880ee490fc06f699161da7d34377ff03a269c41c5287efe768ee

SHA512
f2ffb82238c5e6fbc847186b2b34e2de67e0f3855a9064aa69bd3c17419bc0e7281044ed83ccd754290c2e8271ce3f953116ea7da137933c3a2c19cd63e18161

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