d65afdfbceb9474e00196c7368eaee5877bb5b5217d7ee08026b9fc789660001

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
21-12-2023 20:40

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General

Target

xiang/go.sh
Size

94B
MD5

92c4c68480e699aa012b26c82a787248
SHA1

22fabcf0079b2b4cf158e897e5a920f8eeb7692a
SHA256

d87ce8ecce44c00db9606ae2185a1ed7d9585cba50e949710daa46a32da48249
SHA512

7594211854756cf1a18584bf8ef792a8cd6f884d0941dc47d755355282ba324b2d498cce7b747e36081503412462a9d76b3a4d9a95c255888fc16a63e8833a5f

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-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_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-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2636	1900	cmd.exe	29
PID 1900 wrote to memory of 2636	1900	cmd.exe	29
PID 1900 wrote to memory of 2636	1900	cmd.exe	29
PID 2636 wrote to memory of 2680	2636	rundll32.exe	30
PID 2636 wrote to memory of 2680	2636	rundll32.exe	30
PID 2636 wrote to memory of 2680	2636	rundll32.exe	30
PID 2636 wrote to memory of 2680	2636	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\xiang\go.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\xiang\go.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2636
- - 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\xiang\go.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

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
0f8eaa21093a1c151c80597417c5d6a2

SHA1
637f7d70ed4bc1630d60860967ed6ac592d79acb

SHA256
f0ae65370d316df5a112d1f74ee267b3597746b8053bbbb34ec5c4f102b623ce

SHA512
20739448af49a0d0f8dc2d897ba2d6fb204733e4e1f0497e0fcdc09d7714c50a9f1d588644fda1264b5c24e5db3e63b1f6f460f1fe6088227e530f297b9c7893

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