e91e4c9a70611e49c1bfa169fc6eb6a0c3e8bfc54b566d1c1efa8cff07b0e9dc

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-08-2024 18:10

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General

Target

02.08.2022153.sh
Size

234KB
MD5

1ea4002b69a85e063360966a8d76c788
SHA1

837f6ad124bdc37c41353089ed8a6d48bf74a92c
SHA256

e91e4c9a70611e49c1bfa169fc6eb6a0c3e8bfc54b566d1c1efa8cff07b0e9dc
SHA512

3cd23d408b23e4f526cfc461eaccab70c2a31077041149ced0e7cd0a58e115557fdf99adf2b6efff3c63df75dfd8a25921a65f2923c16d6a308f29e0308c3a8d
SSDEEP

6144:76DI079BJiBzTqDQhvRX8/bHe51BvSb75FzV:v0kBzTWQhCqfV45f

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\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_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\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2004	1936	cmd.exe	31
PID 1936 wrote to memory of 2004	1936	cmd.exe	31
PID 1936 wrote to memory of 2004	1936	cmd.exe	31
PID 2004 wrote to memory of 2720	2004	rundll32.exe	32
PID 2004 wrote to memory of 2720	2004	rundll32.exe	32
PID 2004 wrote to memory of 2720	2004	rundll32.exe	32
PID 2004 wrote to memory of 2720	2004	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\02.08.2022153.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\02.08.2022153.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2004
- - 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\02.08.2022153.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
e3b9b4d87fa61e2cdb9ca485a3baa821

SHA1
f224e7b6080b7af6768616e347a41a616ae20dbf

SHA256
37bb203c1c8d4c024899cccb6def3be9c9de24689e85b7455f5551334adb6959

SHA512
e0ea1e8c5b4d9060818d51a390877ac2f35351d9f733a67b5853c762b5e3645cf6eb75d2bc52235efcb0ab2ee8823ce52b307add54f885ca7e3654b8f767c72c

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