c0449792325197ff37ce3f5e373ace685b4c5d74d356eee4f84c3cb3650f6525

Analysis

max time kernel
34s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-08-2024 12:55

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General

Target

hider_-_Copy.pyc
Size

1KB
MD5

996be9f25657f7f32e14f5717ee1dc13
SHA1

35d2d711e4f76305b610e00195039c89a0d4497b
SHA256

ae3de530eea4091ec4db87bcc591a104dd6eda96e8f2120847fecc6bf9cfb113
SHA512

dc703f284f8d7792e6370963e0e11a5e0008438c35df4e792a31a07c016f626bf88f31523432282d7096012e63dd6f7682c725763f75468d3b26e75236bf8b4c

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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3020	AcroRd32.exe
3020	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2992	1096	cmd.exe	31
PID 1096 wrote to memory of 2992	1096	cmd.exe	31
PID 1096 wrote to memory of 2992	1096	cmd.exe	31
PID 2992 wrote to memory of 3020	2992	rundll32.exe	32
PID 2992 wrote to memory of 3020	2992	rundll32.exe	32
PID 2992 wrote to memory of 3020	2992	rundll32.exe	32
PID 2992 wrote to memory of 3020	2992	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\hider_-_Copy.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\hider_-_Copy.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2992
- - 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\hider_-_Copy.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3020

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
bd47375c891956e0ceeaf2df874ad3ae

SHA1
8bb78094ce3fed371560ddb24ad4a66f0bee4d7d

SHA256
f54ffa0905abd1f5af48c305a73501c56b529955f329904e63509ef935aee3d9

SHA512
1bf50a3ab57800ae6c730a477da29fe4c7aa525046b4b1523f848e5b9c0f7a10648daefa97d2c32a0fc7428820cd996fc3d5e516f6cc3c5e6ab03803bda799cc

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