3c8d82009cfdecc57c0dd6ce42bdaef5df6142c1f949dc7616641fc876619382

Analysis

max time kernel
121s
max time network
142s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 03:49

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General

Target

gosh/go.sh
Size

162B
MD5

3d69a2f2b88abdeabfa5c522499a1c28
SHA1

c9e7c1c34d713016a8489a36f84cbf2a6c607cf8
SHA256

3a44dde159adcb55c2fe5e26f4bc1a3a0ac5975b6ae9ec8ed5cb93666a087ba2
SHA512

41a9bacbe42607d4e20512ea4db050ae013010e94131f507d32c7930b2afd416eda2eb01eb04851be504ef0bfe35696a9b36f636db2f586879e626376bb5158a

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-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_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
2536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2800	2252	cmd.exe	22
PID 2252 wrote to memory of 2800	2252	cmd.exe	22
PID 2252 wrote to memory of 2800	2252	cmd.exe	22
PID 2800 wrote to memory of 2536	2800	rundll32.exe	30
PID 2800 wrote to memory of 2536	2800	rundll32.exe	30
PID 2800 wrote to memory of 2536	2800	rundll32.exe	30
PID 2800 wrote to memory of 2536	2800	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:2252
- 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:2800
- - 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:2536

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
c8f6db0deb8a4acc56bdd192c2d271f4

SHA1
71cb803e92a3ffbeadaabce9aed25ef80ffd8e8c

SHA256
57e5d888f2f3ad38b42d24c607c8b74bac12a9cb6d209bd7a21f7de3784ddbba

SHA512
0b2cf9a8a9eda3087b5ad53baadad7d48b888af7712011c409b0b33c503450dc9adcf7849dd9cad313c5fe8d30e76e621b1496da3a3ad062762d2f25d7888b7d

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