9d569f5ac42ebde189703f5a1598b90edb17ff0b38bd6d7eadd0d48043f63407

Analysis

max time kernel
16s
max time network
19s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
02/07/2024, 16:50

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General

Target
source_prepared.pyc
Size 178KB
Sample240702-vb8vfswdmn
SHA256 8b654ae6aaece8827e7cdf218c82860bda876493dc5ccb1243301c7111255593
MD5 540e5e14ea58cd5596de29c90e936afa
SHA1 cf7494b6d4cd9186226bb264fb934483114993a1
SHA512 8e2f520017df2a156e509159a5d1971a8c07b8000298e63dd57bd7c0888aaf96220f6655c0241f4463d26833478d7df0fbe6b214bfe903ce1286463fb1a5e66d
SSDEEP 3072:/HDLaXM1/ZvYcz6ojPEtelZN+sYRxSgzvn6CknK:bWXmD6oj8cN+VRxSgzv6Cr
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-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_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-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2752	2996	cmd.exe	29
PID 2996 wrote to memory of 2752	2996	cmd.exe	29
PID 2996 wrote to memory of 2752	2996	cmd.exe	29
PID 2752 wrote to memory of 2684	2752	rundll32.exe	30
PID 2752 wrote to memory of 2684	2752	rundll32.exe	30
PID 2752 wrote to memory of 2684	2752	rundll32.exe	30
PID 2752 wrote to memory of 2684	2752	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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\source_prepared.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2684

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 f9d534e7ddaaae3eb7dc17bcb8d4e08cb97580049aa392e5987fb9a6ca356cdb
MD5 f57203650d3d95b4f4bdf603ac01cb32
SHA1 ec5dddfaf051bc48444f2804eb13c5881cc14a28
SHA512 4cb0b8de15ad2b4e9501f4b5733c3cf973062f31379ac9e0b5392cacd6fd745c15f77814325c7d12ef93adaf860412acf0d60674970cabba5bd529938c9f347c
MD5 SHA1 SHA512

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