db71767ac55e293d4d8070fb5cfd51dbc97178ed7a3e5ec6a75cb8d2131ef2a6

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
19/06/2024, 02:11

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General

Target
misc.pyc
Size 2KB
Sample240619-cmhhjasbla
SHA256 572b18ccb1838f23714fae1c8cbb399a08796b1eb846960d5463d40ee784fe5a
MD5 bcb404423ac51f798753e8d11e401071
SHA1 9080018dae3aa157e3a97904c86af06d4a0a6873
SHA512 25a2997cff19308956086ae4e464f5039e53149043f094f2a65dae4dfa78b6410650a3c4d1514511f23c6bf77228772fa7b8a3cf5119e4ed46edb65ac40ff800
MD5 SHA1 SHA512

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-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\pyc_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
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2888	2468	cmd.exe	29
PID 2468 wrote to memory of 2888	2468	cmd.exe	29
PID 2468 wrote to memory of 2888	2468	cmd.exe	29
PID 2888 wrote to memory of 2616	2888	rundll32.exe	30
PID 2888 wrote to memory of 2616	2888	rundll32.exe	30
PID 2888 wrote to memory of 2616	2888	rundll32.exe	30
PID 2888 wrote to memory of 2616	2888	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\misc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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\misc.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2616

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 b07f22dc71eeb30a501ea62875449fe7c61e38bd4c437f86fba8dac664fd2ae4
MD5 feae45915fa5b0ff7a541c5e7683aa98
SHA1 185f156ff372e24dcd1ad841507a6acc73e80b44
SHA512 752ee7b54a38d10588efcfd2ca69d7bc0a5ecce3a1b176b4e89198bb1530c0afe4feef5deea3ad10bccfe00601401f0f69f86f6f402efd9d86cb40d3e086c322
MD5 SHA1 SHA512

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