faad96bbcc51f115c9edd691785d1309e7663b67dcfcf7c11515c3d28c9c0f1f

Analysis

max time kernel
120s
max time network
142s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 21:41

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General

Target

MinGW64/bin/lib/encodings/bz2_codec.py
Size

2KB
MD5

4e2719a3cccc5c726f5d46b34fb6850e
SHA1

ca2ac18e77b55dae9233203f390b18f0cb12581b
SHA256

7b89a870e03b99d6e7b24dcfa90277561488c079ab3958162cb5c500ec89f9ce
SHA512

dda0dcfd085d8d869327b009b285654fab4863878614717dc8bb50e8d41b59bc0cb0c9b08fbbc499f5bd4643a688f2e7195f385df038bbef5381ef558846f591

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-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_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-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	AcroRd32.exe
2548	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2120	1732	cmd.exe	29
PID 1732 wrote to memory of 2120	1732	cmd.exe	29
PID 1732 wrote to memory of 2120	1732	cmd.exe	29
PID 2120 wrote to memory of 2548	2120	rundll32.exe	30
PID 2120 wrote to memory of 2548	2120	rundll32.exe	30
PID 2120 wrote to memory of 2548	2120	rundll32.exe	30
PID 2120 wrote to memory of 2548	2120	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MinGW64\bin\lib\encodings\bz2_codec.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- 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\bz2_codec.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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\bz2_codec.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2548

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
6b7ff8d2210ed5c954023c36f5f2bada

SHA1
fdb87853315fffb906db1d81f97ebd7f565b1136

SHA256
a0cb71447a27dff7fee2c3be3b3231daa7f2d019cd87ad462523a1bb3ab9a4c3

SHA512
ff9b1da5e0298cf242970da973c458e9d7525587830d4266471534aa0a5ff95fa372a9ac7d552659e8c08bdd71bdd94a05d6d795060522fff7fd549f7dde298c

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