05724d24487493904a39633fec07cc0110ee3c1cfe47d0cd1508a3ff68edf322

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 13:21

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General

Target

gosh/go.sh
Size

96B
MD5

fdada5cbcf96fbeae487829350ae4671
SHA1

0efc61bea00d2da0aa12f3be8a69567a34c96671
SHA256

de1c76ea41f15edac31ecd3100da2e8597011d549d9685ed084cad57239aac42
SHA512

f5263cb4a52484ee544bd5e710aa9844151bdbcadaf8ce0844a4768d6f0a55466e6ad4e731b253085e72f99c32106bfef3fbb9f55bd965f9367a0e80c0aea5c2

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-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
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 2104 wrote to memory of 2728	2104	cmd.exe	18
PID 2104 wrote to memory of 2728	2104	cmd.exe	18
PID 2104 wrote to memory of 2728	2104	cmd.exe	18
PID 2728 wrote to memory of 2796	2728	rundll32.exe	30
PID 2728 wrote to memory of 2796	2728	rundll32.exe	30
PID 2728 wrote to memory of 2796	2728	rundll32.exe	30
PID 2728 wrote to memory of 2796	2728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\gosh\go.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\gosh\go.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\gosh\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
883b3780254c0c1b59d291d5bef5bf3c

SHA1
8721788a665060ff27559a53e5fdc12bbc3ae056

SHA256
5282f7c61be7aa4bd552b88cc36ee03340897530ebfd225ca3c99178a47cfa48

SHA512
cd9afb8c7526a2a6a7e31e69bb5e602279c4b7932a52847d722fbdd36c8096999f669cbcefa337c77a7f416f0ebe9808c39c9e0fde9448c331a682bb9e7e8de1

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