12d8c1b4f478f16a90821b029bdd19a34bcb3b18dea6f89ba3acc3e2d3ea4776

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 09:33

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General

Target

MrLinux/go.sh
Size

91B
MD5

980c501a0d4afb93f01a4de904105a11
SHA1

a7453713f6477de5e4bc04f67ac37fe06622a288
SHA256

2e6a590fd9cc5ec2ae98f812d4fde13dc9a68ed3c03a6ec693929f74e2a1799e
SHA512

5fb908c8cd36cdac7f6fd30a3a6292f59711cc08fff8879b345b59738af64060921af29ee7dc9a3943d32bfef955de3353d449d40d4024310a1582a51fe574a4

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2608	2008	cmd.exe	29
PID 2008 wrote to memory of 2608	2008	cmd.exe	29
PID 2008 wrote to memory of 2608	2008	cmd.exe	29
PID 2608 wrote to memory of 1944	2608	rundll32.exe	30
PID 2608 wrote to memory of 1944	2608	rundll32.exe	30
PID 2608 wrote to memory of 1944	2608	rundll32.exe	30
PID 2608 wrote to memory of 1944	2608	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MrLinux\go.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MrLinux\go.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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\MrLinux\go.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1944

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
c69ac5819f742acb9cd886cbf08c5711

SHA1
ec7a46680485fb3416dbae7ea4670d655fa8ed61

SHA256
2fa76d6cede365a46cd2c87d38ab47c3e314cd9af7f633ab3228cf2e42daf6d6

SHA512
029934037222df05ce21c62f7a0d107ae9a0a223d12f30479447295d110d81c9bf2fb40fa895f79a6d62ecdf1adad1d31ac1b38b8542102cd35f145c744b86cc

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