eecca43cb97e9dbb625dde8ad28f74347901c828cd10be5a5a7fd9a75974e182

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20-02-2024 16:02

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General

Target

main.pyc
Size

3KB
MD5

649f0b81940adea67761535febbe541b
SHA1

036d3b115f65011acb725d1c2639aad48f912b08
SHA256

6990d73da2b29f02609d05efd581fd1de772c116d6fe7b0d08cf5809c3f81040
SHA512

192c94e01eeaa861811e3a42bfbb81237da148b9d1ef92f19657278a0489230f055d7009d43e5fdee1a2c7a592d0d1f19a6d8572095f67eb23e61855979fcd24

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-1-5-21-1603059206-2004189698-4139800220-1000_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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2256	AcroRd32.exe
2256	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2808	2424	cmd.exe	29
PID 2424 wrote to memory of 2808	2424	cmd.exe	29
PID 2424 wrote to memory of 2808	2424	cmd.exe	29
PID 2808 wrote to memory of 2256	2808	rundll32.exe	30
PID 2808 wrote to memory of 2256	2808	rundll32.exe	30
PID 2808 wrote to memory of 2256	2808	rundll32.exe	30
PID 2808 wrote to memory of 2256	2808	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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\main.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2256

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
c6fd3e4817866ffcb0a71122e3f5bc98

SHA1
953ae092993855358c49001833fb31e2ce5fc7c7

SHA256
b1b16abf1b430124e803f6e061b1d8540d4c357190859ffeadffc8ad5c62b6bb

SHA512
7a4bd3d6c4db031a0f2cfe39791a2a869b553430b04b12369ae81caa2c8c01d68a7e5a10646b4ed75dcd3cc3f79115b61ff82d3df543fe33efebb5948a162ec2

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