d3a04c2240c3c0dac0d79663b484d041f04ded8ecee4dae358b5c8e586f81a15

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04-08-2023 15:19

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General

Target

script2_fEcGIf.au3
Size

756KB
MD5

cf2fa6d339fca9e30f8acf58c530a57d
SHA1

1c4ac32ce36918938eb66735e319cbc649e32c0f
SHA256

20cd543224dc3229dece35f018678a52fc98e533596e4995a5534bde0e7e161f
SHA512

2f271d55962908223b54b30e775b66541648b958456bab2691bc3c7691278d038a1b2da15ee89d0259c6c73480dca47c3f96b5d1487f89a56d187965ea939f5b
SSDEEP

12288:wHgjYm69mbVwNpm/2whlZHrwoODuKxCZszy5xBHtKtDwKhYHxNeD9gmuf:wHKY/kVwNpm/lZHVkCZsWBHUxAxNLP

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-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.au3	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.au3\ = "au3_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\au3_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\au3_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\au3_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\au3_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\au3_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\au3_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2844	AcroRd32.exe
2844	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2980	2212	cmd.exe	29
PID 2212 wrote to memory of 2980	2212	cmd.exe	29
PID 2212 wrote to memory of 2980	2212	cmd.exe	29
PID 2980 wrote to memory of 2844	2980	rundll32.exe	30
PID 2980 wrote to memory of 2844	2980	rundll32.exe	30
PID 2980 wrote to memory of 2844	2980	rundll32.exe	30
PID 2980 wrote to memory of 2844	2980	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\script2_fEcGIf.au3
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\script2_fEcGIf.au3
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2980
- - 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\script2_fEcGIf.au3"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2844

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
be823e111485da8ba80fb91660016615

SHA1
f257a6eccfc08258175f0ae2b33af02a2ba21e72

SHA256
fff35c13ed3f1109407441afa7a6e89930d9da17373b9c36ad5ccacb36d8dc88

SHA512
143e6a94bd68195167a6a3c446adea0217a744d97968a73f6d1e53d852aaa61432e756c6daa57b05c019eaa850192567136ac71fb327c956bbeefd70c44c08a4

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