1e06cfab030ab6f15445eb936f6031f86984e86e6f9c6876bd568015813c79ad

Analysis

max time kernel
359s
max time network
360s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 16:52

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
source_prepared.pyc
Size 168KB
Sample240802-vdjckssakp
SHA256 be42ebaf02f10990477d8a358d100cb8e3284ea5f57677503db98ab272d149e0
MD5 73d836bbd8abcb0b9534b40c5fb757ae
SHA1 50964c6fd1f289b1d79bc9c5dd83081c29e40039
SHA512 d3ee98f35467da085311f5776520c6a9215d652207b1a9156c458c4508664b78370d44eb413f1c71d1f910811b31fb66e04b4eb175d3521752ff3bcd379d9e65
SSDEEP 3072:s4f5aOO2UaSMS46o4PZTJ0pZXScT0wfxIvdXz4sTWP:sa5aOO2UaSc6ojpUY0wfnsS
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_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
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2240	2352	cmd.exe	32
PID 2352 wrote to memory of 2240	2352	cmd.exe	32
PID 2352 wrote to memory of 2240	2352	cmd.exe	32
PID 2240 wrote to memory of 2680	2240	rundll32.exe	33
PID 2240 wrote to memory of 2680	2240	rundll32.exe	33
PID 2240 wrote to memory of 2680	2240	rundll32.exe	33
PID 2240 wrote to memory of 2680	2240	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- 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:2240
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 09bc0555f5daa69a596e04a581e50e54dc38cd9d12b4b033c215422c485f17a2
MD5 ad02c032fbbfb7e0bbcded78bf96c580
SHA1 48ada289ce67ea7c6d9cf5defbb1ad1c6be3f29c
SHA512 de1eb00378362ffc5fa8f94d0a1c537fdd68ae7f3b66ef233ca84bf46e4ad1edef73fb0f060848e943b03f85f10d6135600542e192ac2869e7942e0bce6ddf5c
MD5 SHA1 SHA512

Submit Download