eda3f677b0c88fadd019daef042891e49ec92f3cb4637e34103d6ffe77145484

Analysis

max time kernel
144s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 07:48

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General

Target

archtemp.tar
Size

9.6MB
MD5

ba1c573d3ebf03070f3d1cff62f06aef
SHA1

a28302f8df19f0b0eb5ae75d18d23818a15212c3
SHA256

3452c1892af415f6854ee5010a290a8bfa7565421b75e5169297d385d5790bad
SHA512

19b90da911287ce7efa441ada25c77c1ede3020289e686d9ab707332b4de4503094d8d63b8169f18720ce95c2f7c157ced5350d0382b31d2c774ead0f35b8414
SSDEEP

24576:TaeBz5H2mRf2nSJPZEyWRzJQeFdJ8JLZFTwYAnwIUTIJIe:meF5RqMPZEyMmenqJL7sxnwdIJ3

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2256	AcroRd32.exe
2256	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2908	3060	cmd.exe	31
PID 3060 wrote to memory of 2908	3060	cmd.exe	31
PID 3060 wrote to memory of 2908	3060	cmd.exe	31
PID 2908 wrote to memory of 2844	2908	rundll32.exe	32
PID 2908 wrote to memory of 2844	2908	rundll32.exe	32
PID 2908 wrote to memory of 2844	2908	rundll32.exe	32
PID 2844 wrote to memory of 2256	2844	rundll32.exe	34
PID 2844 wrote to memory of 2256	2844	rundll32.exe	34
PID 2844 wrote to memory of 2256	2844	rundll32.exe	34
PID 2844 wrote to memory of 2256	2844	rundll32.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\archtemp.tar
1⤵
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\archtemp.tar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\archtemp.tar
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - 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\archtemp.tar"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:2256

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
c59abee2bca5d705cc79c9b98be9a36e

SHA1
d8b36fd088ec55096a2a4bef3452c76161791b5f

SHA256
383e0cc295695dcdb273eaf9183e59175841675c2482dc595ca2c081847b5f62

SHA512
52cf1f431cfc958b3cdf6b54f0ba3bb940400727ed11123a225a6a270cb947555eeadec317900e5fb580eb9d401dd005b1858944011886d8f7182b27a768b4e3

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