fe357d72f46022e1efc8c8a88437bb4fb9fbf81830997db48d6f7a869985e606

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 20:25

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General

Target

source_prepared.pyc
Size

167KB
MD5

b832b5a5368c993ffbaae4eba40fe5cb
SHA1

ac0d63f42f59393a1cf91d5cab94246bdf47c2a2
SHA256

1510cfdf3dcdd71d95db482e3c8d994707f830a4e424ea6a76e25a65bce32e5d
SHA512

e1bbf9938f979066682eed3cae209354fc61fd1959d07329bf129400ccc9242ec1f4f795b7bf0627040eeabaa8a1f0985a1a55a66137a175ecad8f4f96ccec00
SSDEEP

3072:AeiQuaOO22gSMS4vojPZTw0IYScR0Sf9IvdXzpqsTW0:5uaOO22gScvo7If80SfNsn

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_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
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2628	2860	cmd.exe	31
PID 2860 wrote to memory of 2628	2860	cmd.exe	31
PID 2860 wrote to memory of 2628	2860	cmd.exe	31
PID 2628 wrote to memory of 2604	2628	rundll32.exe	32
PID 2628 wrote to memory of 2604	2628	rundll32.exe	32
PID 2628 wrote to memory of 2604	2628	rundll32.exe	32
PID 2628 wrote to memory of 2604	2628	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- 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:2628
- - 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:2604

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
cc305d4244e750518eac14a2adf3315e

SHA1
38e13ac7b2b562f5259fe04038add096583323b2

SHA256
aa8afd67c67c7fb8d54c5a00873388a2d724a79ecee287b0189ee84b4e207e0b

SHA512
a3d3804222108eb5ca321e09d6b02b1540a2ac1ad67746920244eac55b80ed110a28741f9f0f2da80242c653c4eb475f04c41286a2ec628acd90849ee163cd49

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