15b88cd6893f3b2592b58b6daafb976225a3a73ab8e3bfab08c0c49024013849

Analysis

max time kernel
18s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 21:04

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General

Target

Valid8Proxy.pyc
Size

11KB
MD5

430e5da13005a3086397b5935ba25fbf
SHA1

ec1ee42e9ad3196edb2afe9ee73080c7d1cbc5be
SHA256

bd7f72d6e89b5dd538f5b6b9483971d4c5d004f197efbc305ea73625f173acb3
SHA512

a332f0c63a8c93da26c4af99a6fd5bf92e05eec6eb41fa5bc03b29d18da85dea33e2885dc76a6dbb97f2f91a711e5362dffc468b5d3e550bb7c4854be9a80cc0
SSDEEP

192:daQa99LRLnTXXXAXBXuX1JeKx+QtO8kRX4bjrlVPGNMaS54EVfuNhimXNVQEEFkE:daQaHxZkxqjTNQxZ2e0259y

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-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2828	AcroRd32.exe
2828	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2156	2380	cmd.exe	31
PID 2380 wrote to memory of 2156	2380	cmd.exe	31
PID 2380 wrote to memory of 2156	2380	cmd.exe	31
PID 2156 wrote to memory of 2828	2156	rundll32.exe	33
PID 2156 wrote to memory of 2828	2156	rundll32.exe	33
PID 2156 wrote to memory of 2828	2156	rundll32.exe	33
PID 2156 wrote to memory of 2828	2156	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Valid8Proxy.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Valid8Proxy.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2156
- - 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\Valid8Proxy.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2828

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
4d28dfb00728acad3604a4fc85f90aca

SHA1
93d82d16b7e4e65334ed02c280cd0ca0943fd292

SHA256
e76d47991c3b671607ec095ec16628867c23221e7b6b2faace84f3ab1f3f6279

SHA512
be09e4d154445a6b02d9459ddf27e1bc42c7d7137ace7cff760a5c955f110492c2d765251b543a6c55e341bd84e68fd5924d626e44adc040947afc666b4592d1

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