387ceccdce7de1fcdcc5115318f41ee384c231ee914695f507081f5afc712f94

Analysis

max time kernel
120s
max time network
131s
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

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General

Target

locales/pt-PT.pak
Size

492KB
MD5

0237374730fa1a92dec60c206d7df283
SHA1

62dbbd855d83ef982a15c647b5608dafb748745a
SHA256

2fb2fd2e32b952dcbc8914f9d3aaf02bf2750b72abfee2e8b2bb08062ddd9934
SHA512

63ec4ec44002724e22703a3bd952d1ff4062b367c4f5e3f106349bd226ad1317bef2e371fda0e099ea5c0afd32a9d2c1246c93c18d73dccf8fc2c1644a6fb6b2
SSDEEP

6144:f3O/2bF2ozwfieJVJJxhoN4lCOfVY35NKimSRri:f+/2x2od35NKtSR2

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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_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-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2872	AcroRd32.exe
2872	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 880	2292	cmd.exe	32
PID 2292 wrote to memory of 880	2292	cmd.exe	32
PID 2292 wrote to memory of 880	2292	cmd.exe	32
PID 880 wrote to memory of 2872	880	rundll32.exe	33
PID 880 wrote to memory of 2872	880	rundll32.exe	33
PID 880 wrote to memory of 2872	880	rundll32.exe	33
PID 880 wrote to memory of 2872	880	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\pt-PT.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- 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:880
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2872

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

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Downloads

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

Filesize
3KB

MD5
332b2d07fb8af0bc4b5130276d4b98d3

SHA1
8893d5e881ed89249515dab1bfb89755d5089800

SHA256
be4eb42f02591c64958c3a4418041b4b56b47d52593ca284d108bf9d350134cd

SHA512
e75ac6260e2f211e6fa2469c26eea54013fc58c46b2a03dab0b7c5239c825848669bf99e3099b0ae1b533a9c737419447780dee685b753e262cccdcb4fd6262f

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