7518cd76ff9f401b31774b9bb24f83993107eb82856f36095b87a179f835fea0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-04-2024 22:35

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General

Target

.bash_history1/.kde/start.sh
Size

27B
MD5

a224cfe19f43953d06432c7b7d2f17db
SHA1

d09707b31621536a6641481980076c4a4a50f0e3
SHA256

0ce922c5886e74bd29daf323e46789392b6b8f171893b976c7753d404aaf35be
SHA512

d685ce6c3c455d5cdab347930d7b8e1b6823d231eed2502043393760df75e51b21d456ca1f8d6e288c7832d4a10c9fd10dedc24928a652a9d014fa97e3030495

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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2636	2220	cmd.exe	29
PID 2220 wrote to memory of 2636	2220	cmd.exe	29
PID 2220 wrote to memory of 2636	2220	cmd.exe	29
PID 2636 wrote to memory of 2648	2636	rundll32.exe	30
PID 2636 wrote to memory of 2648	2636	rundll32.exe	30
PID 2636 wrote to memory of 2648	2636	rundll32.exe	30
PID 2636 wrote to memory of 2648	2636	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.bash_history1\.kde\start.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.bash_history1\.kde\start.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2636
- - 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\.bash_history1\.kde\start.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2648

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
601dc138bab7e882ada7aaed20042302

SHA1
a67f0b908ded2d934236b2e9d1b53c19f79df191

SHA256
600b024810445abe4f782c2ed821803d87eba794d9e092d54161b5da0b7351ba

SHA512
9f6dcae8cb23310b34611517572ee7ec0436fb0339dd4a2e6d66aa0c7be2fd49c58d427f8ad14f22558104a4b4f18a39b2b6b1d63c8f82051cecc809f565f5b1

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