42930f71b67d5f6c6918aadf37f712ae86fb7643e4f4ed7fe819d34aac6810e9

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 12:07

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General

Target
a.sh
Size 62B
Sample240527-pafjmacb96
SHA256 42930f71b67d5f6c6918aadf37f712ae86fb7643e4f4ed7fe819d34aac6810e9
MD5 84908c70f842b63074d9f54fe2f75dcf
SHA1 baffce40881a0e85eb57b7a2548131f8510d8bbc
SHA512 1369a40cb21e8d4e838410c12d3e76d4bebe1114a3b339a932181aeebb14e5dceb3b7bf40fe8c18f1de6f98030903fc1a141e27acd62fe22fd703a3b082c87cd
MD5 SHA1 SHA512

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
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
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	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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sh_auto_file\shell\Read\command	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_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2584	2860	cmd.exe	29
PID 2860 wrote to memory of 2584	2860	cmd.exe	29
PID 2860 wrote to memory of 2584	2860	cmd.exe	29
PID 2584 wrote to memory of 2668	2584	rundll32.exe	30
PID 2584 wrote to memory of 2668	2584	rundll32.exe	30
PID 2584 wrote to memory of 2668	2584	rundll32.exe	30
PID 2584 wrote to memory of 2668	2584	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\a.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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\a.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2668

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 9cde03b4c7a9eac2a9865b230835983eda3beb25bd5e1bd0bd1173fd677b0d23
MD5 c6d3676061d67e405b7d24aa7e9e81c2
SHA1 ef049742a3ba682a059bf464e01af23e97a989be
SHA512 bb01ac5be91820d689ac67296e081f8230ecd2a1da1c25b220ec165c67691543cddc6ef88537cc14d24b5d0805415305ea37ebefae92207d8a282385bcec089c
MD5 SHA1 SHA512

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