644372d31b62c327439aefff7ae0d2d2b09cf8a9963c4d10408731358c1ce879

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 15:28

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General

Target

locales/zh-CN.pak
Size

345KB
MD5

9d4f54eb5a12cf4c2f34f5f538dff90b
SHA1

c31b892ce78c733bde0571b6236170103cc9fe7a
SHA256

58b934a09858f037f1966a495e73d44416180afcdebfaefcee1f5e3377de63f7
SHA512

46bf6099c50f7959a6f0800ec679b61a78efabe87985cad8dc0d7d0006470a9c61e659bde0258da6cf7ed6104749a157f5ad133f324479c3460a19fc14e31c37
SSDEEP

6144:ALU9jcaZx79+vKKS/+kTme5zBNCJ7AAmlv:nAaZ+vKKS/ye5zBNCJ7Y

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

Processes:

AcroRd32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

Processes:

rundll32.exe

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

Processes:

AcroRd32.exe

pid	Process
2980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 2684 wrote to memory of 332	2684	cmd.exe	32
PID 2684 wrote to memory of 332	2684	cmd.exe	32
PID 2684 wrote to memory of 332	2684	cmd.exe	32
PID 332 wrote to memory of 2980	332	rundll32.exe	33
PID 332 wrote to memory of 2980	332	rundll32.exe	33
PID 332 wrote to memory of 2980	332	rundll32.exe	33
PID 332 wrote to memory of 2980	332	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\zh-CN.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\zh-CN.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:332
- - 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\zh-CN.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2980

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
833914c7453b9b5b6e8b9efe8ee6a01e

SHA1
6fccb53b8e47732cfe34bef47ba5dfec616b9da7

SHA256
a22070d0740aae24821d16dd8ddc93d9c2147ad4889b361f0243ab765748e343

SHA512
742a8dce982c607aef0b4e11c34890c4e255ae2cd8cf956085884d0f01bd570526e39c1a854f9ed89cea3bd289ceed009bd2bfedd339422800904b883932a17d

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