3c059b43edd2241ca0e29ed5aa17157ec82a8717463dbbd0e42e6a08abccc900

Resubmissions

23-01-2024 08:25

240123-kbprgaggcq 1

23-01-2024 08:24

240123-kavlbsggck 3

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23-01-2024 08:24

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General

Target

w.sh
Size

838B
MD5

39100bf4ac60acc5d1da4e79ae97f024
SHA1

a3d2ac5ed4d6306d8e9fc6b44eb35254bca206ef
SHA256

3c059b43edd2241ca0e29ed5aa17157ec82a8717463dbbd0e42e6a08abccc900
SHA512

9677c8c0cb6840e4cf32953a555d801b4810fa47145f4442bac8696a506adc37366a4b0da83cf49449d639c582667e8ac974b84cc5880cd9b2b8e6d79d5eaa8a

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-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_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-1-5-21-452311807-3713411997-1028535425-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\sh_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2316	AcroRd32.exe
2316	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2736	3052	cmd.exe	29
PID 3052 wrote to memory of 2736	3052	cmd.exe	29
PID 3052 wrote to memory of 2736	3052	cmd.exe	29
PID 2736 wrote to memory of 2316	2736	rundll32.exe	30
PID 2736 wrote to memory of 2316	2736	rundll32.exe	30
PID 2736 wrote to memory of 2316	2736	rundll32.exe	30
PID 2736 wrote to memory of 2316	2736	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\w.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\w.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\w.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2316

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
ea83996ff4556be2573a6771ad2605e0

SHA1
0ad3b486704c3834dc4166a344579602f8cb99d5

SHA256
d9c760487727901bb2696ff3c7f4799eaa6cc0dcdc0cae13fee5cab3ace67702

SHA512
0415fe5b04753ac7c0cbc599069cbf3f016dd92ecfdfbd20121fba5bc55c4e9c05e79103407905bb131ba7158850d6d89653dae05809447c91a9873871bd69ef

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