8a0cd0d9e7eb2ff12107ac3e78acc36e7065a82650b32557ceabb67c86c760ec

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-05-2024 07:36

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General

Target

aimsource.pyc
Size

11KB
MD5

e8fdc0a0583b7f30231890da1b135db4
SHA1

5fd543d5348677d8b6657d1d4103527887e98003
SHA256

987b909166984b8209d0c18e90e516b862930ebd29817dc51f7f359b181c9c59
SHA512

a464c88044a42a348936eb6729c415192b744a480f18e3a85fc2f42ac4ca7ceb7bc84394e7d50dee3ebebf495dba2cd12c6c12cefa79b9167b07dad388325ad0
SSDEEP

192:dQgey+cYahH7tR+NTBLJsGOxRapQj+9z0gqWNwoj4YyS88tBN14L1xcNi5RDecbW:6PyOaRv+DLJHwoj4YV88tBNw1x95peca

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2524	2936	cmd.exe	29
PID 2936 wrote to memory of 2524	2936	cmd.exe	29
PID 2936 wrote to memory of 2524	2936	cmd.exe	29
PID 2524 wrote to memory of 2808	2524	rundll32.exe	30
PID 2524 wrote to memory of 2808	2524	rundll32.exe	30
PID 2524 wrote to memory of 2808	2524	rundll32.exe	30
PID 2524 wrote to memory of 2808	2524	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\aimsource.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\aimsource.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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\aimsource.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2808

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
a8eec6dc7920cb473bbccadf4cd9c3c8

SHA1
a91ce266cde299e4d4ddc096092436c2f71b1d19

SHA256
6d5c2dd3c34fd3056fd12d6a5801af9b196145dc9f53e4feb64938eb27446567

SHA512
04f2dd28613b4fab1a1eac576913d0105bd56bbc563d6a2aead97391a13e83b257d91c65e28c300c96c2aa99e4d7d017008c58734701ee92041dd14821c00063

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