d65afdfbceb9474e00196c7368eaee5877bb5b5217d7ee08026b9fc789660001

Analysis

max time kernel
135s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-12-2023 21:46

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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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_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-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2684	rundll32.exe
2796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	AcroRd32.exe
2796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2684	1732	cmd.exe	29
PID 1732 wrote to memory of 2684	1732	cmd.exe	29
PID 1732 wrote to memory of 2684	1732	cmd.exe	29
PID 2684 wrote to memory of 2796	2684	rundll32.exe	31
PID 2684 wrote to memory of 2796	2684	rundll32.exe	31
PID 2684 wrote to memory of 2796	2684	rundll32.exe	31
PID 2684 wrote to memory of 2796	2684	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\xiang\go.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- 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 behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:2796

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
6ed35ccf4295c2049918a8d677180a75

SHA1
4d041fe9f49fad76ec407d06fa11f281ef00c3ca

SHA256
076ede9f7d70393bd471df42dca8b9e4e759b9fb18691d63b9a63df63780f91c

SHA512
4a05a2a2de5165460e71c54906c80fc84a1a75652369863ac71a97ef5efa6ad0a37c879348b48f696ef11844dfe61e6d8e84bdf5e9723b33688ebbace63069cb

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