9adbebd49cdecaa08fbcbf86560544a9be3820a2806a5857e6079a838839d851

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 16:47

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General

Target

vertex.sh
Size

1KB
MD5

94ad25b02553274217c960f111cb230a
SHA1

30cf56b416d650997518b7f26787bc96da522b01
SHA256

a7bb41c0745d2d4b904ebeeeda036d59cef97272b2974549c5a40cddd07f9c79
SHA512

4cbc8c7eb0a6aae4d96223b9f92eb17f3803cc3e209fe6609466521700fd256b0ed77efdc5c38e09183a72fb4f1cbfcda807bbb32f85953d7a5649e89e1b06dd

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_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-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.sh	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2448	2532	cmd.exe	29
PID 2532 wrote to memory of 2448	2532	cmd.exe	29
PID 2532 wrote to memory of 2448	2532	cmd.exe	29
PID 2448 wrote to memory of 2480	2448	rundll32.exe	30
PID 2448 wrote to memory of 2480	2448	rundll32.exe	30
PID 2448 wrote to memory of 2480	2448	rundll32.exe	30
PID 2448 wrote to memory of 2480	2448	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\vertex.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\vertex.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2448
- - 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\vertex.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2480

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
4824d1f97b06933fe9b30ed4ec7c626d

SHA1
fd9229b3b6ef89f7e1b48e760f40c08cd8d893a7

SHA256
dbe4a0d121e031b91a6304c43f13b7d30669c502e424d69d32142987c048432b

SHA512
8860e5667d9751a5aeb2a7adb0698ca79095c8fcfa89bed4a87d9b736db4fb4a1e642b6d47e8a27f34bc0e6d8ff67e16ab10742442b16e971c258147d0f905cd

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