aec105cdd386bc45a90eae87cf710de459461da1a66f7dd2b247427bb9c7f70e

Analysis

max time kernel
119s
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 22:06

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General

Target

gosh/go.sh
Size

94B
MD5

512381b87dad11281222c4a832c371e1
SHA1

7c3e074e30ef24dec651e1cae96dff36d0578585
SHA256

3b2eea3fe392c61923bdb4d9cfa8b2138408b035649e8959e04d4ca8e0a39503
SHA512

afd9be9b326b547c7978c753e73ccfe45c5a806d7bc30d40ed86e6e808b51e57e89de3d0cf3afcf36aead3d29dc213da067d4a8b4bd0e1fbdeadd694a082c127

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-1-5-21-3601492379-692465709-652514833-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_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-1-5-21-3601492379-692465709-652514833-1000_CLASSES\sh_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 3060	2512	cmd.exe	17
PID 2512 wrote to memory of 3060	2512	cmd.exe	17
PID 2512 wrote to memory of 3060	2512	cmd.exe	17
PID 3060 wrote to memory of 2808	3060	rundll32.exe	30
PID 3060 wrote to memory of 2808	3060	rundll32.exe	30
PID 3060 wrote to memory of 2808	3060	rundll32.exe	30
PID 3060 wrote to memory of 2808	3060	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:2512
- 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:3060
- - 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:2808

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
2e116387436fceeb3f0d0bed7c9b025a

SHA1
b86a50f784f1a518b07a23224679a388a459ac08

SHA256
f169bf8b21139878c734caecd8cc7a62745e5ef6d90743bea3f05ef237960458

SHA512
c5bb80c92a02e5d5084c495f40ec87b5b254df481298338471e47ba5e8f0cdd5e1ab3af10a1c52589b43d38cf0f35042db0f589f1367d1bc77668f6e91367e6b

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