8e7391f55642f8b52e8c20afb4007a7df1a85215a12660cff88590b4cc631420

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 19:10

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General

Target

x64/bin/mb_output_handler_pattern-01.phpt
Size

325B
MD5

2e795f13eec94016d094c1ce785edd84
SHA1

10df5f6ee8e2f243d2bfb0dab170e3151630c52b
SHA256

eb7d7d85352c47e9a6cfe74667cd1f9701a85750c04a3fdf42f999642c81b7d9
SHA512

f1d4a39fd323e773235b95b7557f5a2e588adf506d2a865e63fab74a9e266750f2cbd930074578e7dca9caebb9c766c7ebd197f6ebca8ce7475bc89047c20e8f

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 320	2484	cmd.exe	32
PID 2484 wrote to memory of 320	2484	cmd.exe	32
PID 2484 wrote to memory of 320	2484	cmd.exe	32
PID 320 wrote to memory of 2816	320	rundll32.exe	33
PID 320 wrote to memory of 2816	320	rundll32.exe	33
PID 320 wrote to memory of 2816	320	rundll32.exe	33
PID 320 wrote to memory of 2816	320	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\x64\bin\mb_output_handler_pattern-01.phpt
1⤵
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\x64\bin\mb_output_handler_pattern-01.phpt
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:320
- - 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\x64\bin\mb_output_handler_pattern-01.phpt"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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
5878077adcc955caffa578b1e163e809

SHA1
a42fea566dfbca25ea452f4b3e0dd05704c3e8c7

SHA256
4a124d6a875126ff7a4046135303cf3d69e064fafd5e686bcc99f24673dffd79

SHA512
7c971aea8d999f96359224d167e14081e60ea2b942091f453b98a2e4a54258dc9c11f30e96694618627c356dc919c81a99f9f520b771d77c2d7b5e5d670dbb6e

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