b4b96e61980599af727294cc05e85675e789f872b5c42346096f422c118de084

Resubmissions

21/05/2024, 00:50

240521-a7ax3sdb7s 4

21/05/2024, 00:49

240521-a6nsjsdb5s 1

Analysis

max time kernel
1563s
max time network
1566s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 00:50

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General

Target

pagefile.7z
Size

79.4MB
MD5

ecda4d60df1dd5a867f94f75076103ea
SHA1

e9e4c67cd80950f418e17ccecf699ba3e70b9201
SHA256

b4b96e61980599af727294cc05e85675e789f872b5c42346096f422c118de084
SHA512

f2f9f34158966a42e8ced2684c8febfb72973636d2e662fa4b80c2c2edec51cb0285e7a0f097fb38d8adbce2fb6b718d09a0ee015c5875d369783570a3d07133
SSDEEP

1572864:3qzvGjsfKKocul6DRJMawJIjK6QD//fB4cGLlR8v7qFrohUxt:30vA8KKo36DMbF603fBzKm7qFP

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2724	1996	cmd.exe	29
PID 1996 wrote to memory of 2724	1996	cmd.exe	29
PID 1996 wrote to memory of 2724	1996	cmd.exe	29
PID 2724 wrote to memory of 2688	2724	rundll32.exe	30
PID 2724 wrote to memory of 2688	2724	rundll32.exe	30
PID 2724 wrote to memory of 2688	2724	rundll32.exe	30
PID 2688 wrote to memory of 2668	2688	rundll32.exe	32
PID 2688 wrote to memory of 2668	2688	rundll32.exe	32
PID 2688 wrote to memory of 2668	2688	rundll32.exe	32
PID 2688 wrote to memory of 2668	2688	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pagefile.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pagefile.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pagefile.7z
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - 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\pagefile.7z"
      4⤵
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
dff4016d1ad02e7ba6d74d131a9600b4

SHA1
3dac05fc0353576da77c3699b1f879205705e251

SHA256
31d696ae66dadb8036f8cc4ebeed779704cc7a600129861c6a932d76940cc0aa

SHA512
a2b6f68216e49e4e766b1b1c7152bc05c8756416d625c51a0228a88b7a6ebcfb9fb355cc98d4005d49d6a331271e620adff3b729bb90ae362325d4b185cefa7b

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