6fa8356f35968afc15ecb036d17e197dfc310fcd5a42fa952183bd4b5a37fc36

Resubmissions

02-08-2024 17:05

240802-vlzpjaxbrd 7

02-08-2024 17:02

240802-vj9fyssbrr 7

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 17:02

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General

Target

main.pyc
Size

27KB
MD5

9195f42fefa8c0f8cdec4ee4e8d870aa
SHA1

c84cf90b7ef42e4b814ffb0f03476f9f3993dbf5
SHA256

6c1ef9685c76436b4d35dd5b668e0805bf391a1b16fe4362afd2bb08d2fb1d31
SHA512

c755a059b4294f7ace23130c86d99a25ebf112bbda0f3781f8b318bd916dc1ddd2ab4db976b3c2bda800379f0c404c798776426df4a158f1d1bfe3c9c8f9a674
SSDEEP

768:nF6TJQLaysq7hs2jap2H517VcVfngif+RX8:n2yLays/0H7koiWRM

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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_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-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2908	AcroRd32.exe
2908	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2936	2000	cmd.exe	31
PID 2000 wrote to memory of 2936	2000	cmd.exe	31
PID 2000 wrote to memory of 2936	2000	cmd.exe	31
PID 2936 wrote to memory of 2908	2936	rundll32.exe	32
PID 2936 wrote to memory of 2908	2936	rundll32.exe	32
PID 2936 wrote to memory of 2908	2936	rundll32.exe	32
PID 2936 wrote to memory of 2908	2936	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2936
- - 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\main.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2908

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

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Downloads

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

Filesize
3KB

MD5
5b4304a5753bdc9b76795dd2698cceab

SHA1
abde7b1f7842a884722bcaaede26719373d03de0

SHA256
8262971259c9cff97dd4fa006274840c90692dd67f91c46cae16c17101566201

SHA512
9e69dfec3c0f38218ef6fcc801c5360986c735fa7a6dcb341134088849f298c09e0524035084f8b7437520cd1e8d6f4bc0e655b613d5364feb7f56dca4a5a465

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