f8a2c7bf6611cc965e76f1286fc460ec47f3d7e4353877716417cd8b553b2667

Analysis

max time kernel
1556s
max time network
1560s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 00:54

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General

Target

locales/pt-PT.pak
Size

134KB
MD5

4609853e0e58f3b5a8d421ebb7d75246
SHA1

e6bc5d2a688a8bb1e6a3fc14a26be8343dad680e
SHA256

28e09b59a01763e3d4c4f37e4187185d1fc9abc045ed4dc49b5a8bc59b4c31de
SHA512

4ec1cf920b40f5b44f5d6094fbc302f53c7958391b2ab556f190216896a951ccee4d1dd8a222063c02612e48b2d065dcfc7de4eab69c9436846e09146917b8d7
SSDEEP

1536:N0/WE7JxoEqsQX3rdc0bvjIFQBAJXHdvxz2qKHwLXLLaH5619n:CWEMsQX3rKVFQBAJX/LnaH5619n

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-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2644	AcroRd32.exe
2644	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2760	2688	cmd.exe	29
PID 2688 wrote to memory of 2760	2688	cmd.exe	29
PID 2688 wrote to memory of 2760	2688	cmd.exe	29
PID 2760 wrote to memory of 2644	2760	rundll32.exe	30
PID 2760 wrote to memory of 2644	2760	rundll32.exe	30
PID 2760 wrote to memory of 2644	2760	rundll32.exe	30
PID 2760 wrote to memory of 2644	2760	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\pt-PT.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\pt-PT.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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\locales\pt-PT.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2644

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
32b81aff144373e1593447a425331f1e

SHA1
cf1ad61b5b80c5102a3bd5eca905a6586c10f0f8

SHA256
c19b7ff0410c1df5d04764ba39872d7d482536de3aba1fc00fe566bff5740024

SHA512
8478a420e6c5fa3beb23fbe7289d86c5a95a6723fb5f75295d61721d745acf19f4b7071b2339e0c1e6b959b396d6547098b3bd2bb2c9c562885e714d66595a90

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