d554fa9b3140fbfb32180ac38f0f67e7b6e7b76a8317cec8b0c01d623835b4d3

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 17:11

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General

Target
weed.sh
Size 764B
Sample240822-vqaafa1bjq
SHA256 d554fa9b3140fbfb32180ac38f0f67e7b6e7b76a8317cec8b0c01d623835b4d3
MD5 2d4bca0cf1652136954d4e3048cda9f5
SHA1 13feb2ca127163612a0facc5977d318df0e08679
SHA512 0db0602db8026dc8fa210b5bf88053cda5f4b50e34ed9c4b8423832441b6c3612b491750ca2dca516b413f1a9abec7876ca60fdded6b843fae4d089543386f3b
MD5 SHA1 SHA512

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2436	1488	cmd.exe	31
PID 1488 wrote to memory of 2436	1488	cmd.exe	31
PID 1488 wrote to memory of 2436	1488	cmd.exe	31
PID 2436 wrote to memory of 2752	2436	rundll32.exe	33
PID 2436 wrote to memory of 2752	2436	rundll32.exe	33
PID 2436 wrote to memory of 2752	2436	rundll32.exe	33
PID 2436 wrote to memory of 2752	2436	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\weed.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\weed.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2436
- - 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\weed.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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 f035202db2616de6965e55a967a82d562f51b123446ee1cc14a0ee9d3e418606
MD5 ca6f9062a80253846b9c5fa7466c9b38
SHA1 61495c2b7a0764e4139b3a13b45b33b01e27df8d
SHA512 456e98271f35c23739a2f29f04777b2312adf85e175781d989ba254050aed72151489e9dadc304ca47521d75fda2b4b36d6dc66a1a3636fbe409a4482d39c7ff
MD5 SHA1 SHA512

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