7fa3c53115c61a095da7ce93276e828198fba45f93c30bf245a0ffd9266a77bf

Analysis

max time kernel
122s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 13:52

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General

Target

app-11.17.0/locales/zh-TW.pak
Size

430KB
MD5

1eb532e97b84db33a50055bbd7d36200
SHA1

7aaf0560a16a9754059871a000d237964f3ab0c8
SHA256

6a43c8fac5a0ce7c7a21b30ac7bc2167488e17c81c76c00f0b92b49e9e46e469
SHA512

c946d82bd6ced6e61b35acaf7ace1a61f226c4891caaeeeec9ce4a3ab45e6f43c35dbb388d6d5fa925ed020d7d10f951fa2048269d0585ad3b723f5ad8f4eabc
SSDEEP

6144:kXS7RfHbcTzD+J1ke82TuVnQh2Y5fHIzwHobAy+77zeJTs:kGR4TzVdnQh2Y5fHIzpZS7z

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2680	2248	cmd.exe	31
PID 2248 wrote to memory of 2680	2248	cmd.exe	31
PID 2248 wrote to memory of 2680	2248	cmd.exe	31
PID 2680 wrote to memory of 2612	2680	rundll32.exe	32
PID 2680 wrote to memory of 2612	2680	rundll32.exe	32
PID 2680 wrote to memory of 2612	2680	rundll32.exe	32
PID 2680 wrote to memory of 2612	2680	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\app-11.17.0\locales\zh-TW.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\app-11.17.0\locales\zh-TW.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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\app-11.17.0\locales\zh-TW.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2612

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
8d6ceb549a5d1e366f406dda91b00625

SHA1
937053fb1c2c525c3e19f1ba092cf895074b83e8

SHA256
275e0925fcabaa1712d169d055248e31e83092631a3e9231410ac64fe3bcf3da

SHA512
eeafa69eb905846faefcd615613c0865d546d366dae14288aab367235a5da33b4c001a75265da1e18e01e0b28d087ab5ff38c08bd7c3f3ef36534f3ff0d41dd6

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