809f6517480548b9976840145ff402d2598cdf6cc7bc210646306957ca41032e

Analysis

max time kernel
117s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 14:20

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General

Target

locales/ca.pak
Size

94KB
MD5

d1c1e2a9809641eef81e753f26f1eb69
SHA1

cc54cf4149ea5d934ea3a0b0cd89a5b9f7169f38
SHA256

69b4bd559152df6b45008e9e71ab7ffc3557df06e01165227831506ba4a042f5
SHA512

34038c093ab83d804d0b1084b9f7b30e79e733f80c7e8e097f590b886e770610dcce1207a8fc56a2813894b6ca4e82f2cc7b88169ec6d352862ef5bd43c3a6a4
SSDEEP

1536:DoO1TIQGjMVyqv0llPfcgsLI54qZ2+O5aSaJESqUbmS+6fiXesB80wlozRhN7hd7:Dp+9qv0fXcgsLI54qZ2+O5aSaJESqU94

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-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2480	2696	cmd.exe	32
PID 2696 wrote to memory of 2480	2696	cmd.exe	32
PID 2696 wrote to memory of 2480	2696	cmd.exe	32
PID 2480 wrote to memory of 2564	2480	rundll32.exe	33
PID 2480 wrote to memory of 2564	2480	rundll32.exe	33
PID 2480 wrote to memory of 2564	2480	rundll32.exe	33
PID 2480 wrote to memory of 2564	2480	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2480
- - 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\ca.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2564

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

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

Filesize
3KB

MD5
8a5957a4e1b904f7c2499e6d0605e202

SHA1
8ec2c0ca8ed0710f98f02ff67ea3e02ecf73f617

SHA256
6bfcb7cab4b5817505e0ac556a7d5819cb19637574c621522f242d0947151910

SHA512
c5c0497ab1093577c5962e31e69f8dff70dfb5ab2caafbcd136cf6a2a0d4958d813c68218a0e1a3d7be8978f0c2b332dd3355d71c11b0a0d6e15a6efcc3462d8

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