387ceccdce7de1fcdcc5115318f41ee384c231ee914695f507081f5afc712f94

Analysis

max time kernel
103s
max time network
28s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 16:53

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

locales/th.pak
Size

964KB
MD5

4917873d8118906bdc08f31afb1ea078
SHA1

49440a3b156d7703533367f8f13f66ec166db6e9
SHA256

d051b400096922089f6daa723fac18c9640ba203b2879aac4ca89b05738dd32d
SHA512

30e6446bad54b86be553fa293c7a92ec221adb54b99624ed69702df75347a98697158041a45f77ece4e7ed0fda41306ef21eb27981f24f0a4e42e8306175a88e
SSDEEP

12288:OgFN2HN9LyZYA1T6z1L/LLftDjsAnILwgv1V5UBGsL3fBj8BlzEdq3Ro9lGdI9uN:OgFYdK5J5j

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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2320	1100	cmd.exe	30
PID 1100 wrote to memory of 2320	1100	cmd.exe	30
PID 1100 wrote to memory of 2320	1100	cmd.exe	30
PID 2320 wrote to memory of 2864	2320	rundll32.exe	31
PID 2320 wrote to memory of 2864	2320	rundll32.exe	31
PID 2320 wrote to memory of 2864	2320	rundll32.exe	31
PID 2320 wrote to memory of 2864	2320	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\th.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\th.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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\th.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2864

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
d99357bbdcb8bda6491db14e4e0fd42b

SHA1
b6ca14c33597cce1ea0f0367f932e05b84666a2c

SHA256
7c48aa1de0240cebf157bcbe0f435020674fcc451f4b5465c379f88fc4f86fd4

SHA512
aac1604187f123b49c602846a79fd60b0f2f68cdff3b3a8efdc35463372cd024e504dd422e44df9872366e7240aab0d7ab82f23a1bab0c87bd408ed933fed7da

Download Submit