e94f03998454d2dd107d5fac796e37b82b9bbdefc921fd1fdb584240337c9732

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
06/05/2024, 23:57

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General

Target
misc.pyc
Size 4KB
Sample240506-3zrvvahb71
SHA256 a8355eef70645468d11a410d1402e0cab31a194e87172b523b1ff3dea5dbb0c2
MD5 204ee497021e32209ddde0c015b4dc19
SHA1 6aa2c039e6b6fbfb3620d4fe42d115553702146b
SHA512 961b15c0efe0478fdf9287e7b3b709233bcd9524be708f426b75dc91eb07ddfc2a2ce4f347d52a3e7402f5307ab755af093d660662fd3c4c465fd41e8d138d12
SSDEEP 96:ySMlhlv6KPDweHPF8+VB7sHIZGhIW0vmyyZ1k93hub:LolvJ0evq+VBXZGh4vmV1kFhub
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command	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 1984 wrote to memory of 2604	1984	cmd.exe	30
PID 1984 wrote to memory of 2604	1984	cmd.exe	30
PID 1984 wrote to memory of 2604	1984	cmd.exe	30
PID 2604 wrote to memory of 2664	2604	rundll32.exe	31
PID 2604 wrote to memory of 2664	2604	rundll32.exe	31
PID 2604 wrote to memory of 2664	2604	rundll32.exe	31
PID 2604 wrote to memory of 2664	2604	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- 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:2604
- - 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: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

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 d2cea0c0d565b6aea30f088b5e71fde6b334c4e11bf9b5b59ed8484165e4ab83
MD5 13cfa26d71492a48b99f5fd6ccb6fa4f
SHA1 ad650540ee8613cf3cca7cbe457a168a81ece093
SHA512 9591320be306bc31441f0b00d38412d7bf949525fe1ad948678e919dc58c09103e0c9c4c1df900caad08f2c742bfcb87963f44d4b090111805a5d41d2681140c
MD5 SHA1 SHA512

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