5238eaa2f6b3c71c746e422ae06ada81dad7743536c216e7c6e437e28a465bee

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
22/05/2024, 12:05

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General

Target

update-beta.sh
Size

694B
MD5

49b76aa098ab44e39cfbb8b66167f390
SHA1

022b6776821c943fb8cbccca7b71ae577003b8c4
SHA256

5238eaa2f6b3c71c746e422ae06ada81dad7743536c216e7c6e437e28a465bee
SHA512

aaf59e42b9611ce90ab4815f9cd86a8909006e09a71e61df2d00ef0468846d9c84e7edd1282573d99981c17611c38b0091ef65a0be630d3d6ce93cd7476e7966

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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3040	AcroRd32.exe
3040	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 2684	820	cmd.exe	29
PID 820 wrote to memory of 2684	820	cmd.exe	29
PID 820 wrote to memory of 2684	820	cmd.exe	29
PID 2684 wrote to memory of 3040	2684	rundll32.exe	30
PID 2684 wrote to memory of 3040	2684	rundll32.exe	30
PID 2684 wrote to memory of 3040	2684	rundll32.exe	30
PID 2684 wrote to memory of 3040	2684	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\update-beta.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:820
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\update-beta.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\update-beta.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3040

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
34067324899afb21dd787f9a9dc2e99c

SHA1
993f60c253865d295ae29ccc4f1d89f8e4b277b4

SHA256
bace954adb14fe75902266df4d3217b52cffa1a3f31367a57ac5ade3eced14e9

SHA512
3acb1401cc009e3d1e325e23a3e0d80480eb092c60a541cf530a41be78b9e7b70d07de19e9b9eba39b15aeb786cda611a4cdbbed16648ca605fe0074600bed30

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