a7482e665aa974507d5c7605acc2da8d260465d765416472ebe798f73f99184e

Resubmissions

22/08/2024, 19:09

240822-xtvrnashnb 10

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 19:09

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General

Target

passwords_grabber.pyc
Size

8KB
MD5

704dced7f7530b19a34a5f7a71c26b10
SHA1

608d9647488cfa2b5f84a891028168a973bfcfa9
SHA256

1fd284f1e27263bd2a16050c6989933a382c7d196f4c9f247187cc3b3f6ba3ac
SHA512

e4a6710abef2c45d631745c91d8135873be06e5b240a61362e341d05ecc1dedf885487a554b648c328a3c5cc17fcf74e6d066b2e3f51379358ba28c2a0f2f39f
SSDEEP

192:+CE34EAL/GFf/PomdPO23NsDmqFUhkxNivLI9dRvL:Y4EAL/AfRBO8NsxuOxNn

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-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_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-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2236	AcroRd32.exe
2236	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2152	2980	cmd.exe	31
PID 2980 wrote to memory of 2152	2980	cmd.exe	31
PID 2980 wrote to memory of 2152	2980	cmd.exe	31
PID 2152 wrote to memory of 2236	2152	rundll32.exe	32
PID 2152 wrote to memory of 2236	2152	rundll32.exe	32
PID 2152 wrote to memory of 2236	2152	rundll32.exe	32
PID 2152 wrote to memory of 2236	2152	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\passwords_grabber.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\passwords_grabber.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2152
- - 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\passwords_grabber.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2236

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
ae013eb47dd00c95858fa6efd27cb2cb

SHA1
bae04ec44a19b4c6f0d6c6a52b0ac2298b62e023

SHA256
a3b195fdc9fde2266fb6a658b0ff1785cbde482c24f94d7de1b24cb43a529083

SHA512
a33446a4d9ea84978634740a3a5a1f7fa6232df5acc5aa4ccb64af39e767c2d18c99c42b2e5fca1946fc192c2cca3907f3fb56e71e8acb74ab894389b6af8542

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