7fa3c53115c61a095da7ce93276e828198fba45f93c30bf245a0ffd9266a77bf

Analysis

max time kernel
110s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 13:52

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General

Target

app-11.17.0/locales/vi.pak
Size

602KB
MD5

e088be14dded779f50feabc4906d5ae7
SHA1

0eeca2c7ea82a03b6373c84adf1a890f29e18b05
SHA256

25aeee59775ae38b21a091107022312fc228f96dbea906042bf3626b7cf86b98
SHA512

af9d1e415a6d06c28df9abaae1f337bf4dd3e323dfd5560df5fb35d01c6801b9145072ee85ab4c524c489fb6cdea956ce327b8c4f6820197d76fc2f33171ca3d
SSDEEP

12288:tvN+cBwJGroEw/au9nPgsHvL04vCFsN91xe5c8hp6IDkivwziMHq3wtk5:tF+cBwJGiawPgsHT04QP5c8r6hivKiMY

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-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2772 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2772 AcroRd32.exe
2772 AcroRd32.exe

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	rundll32.exe

pid	process
2772	AcroRd32.exe

pid	process
2772	AcroRd32.exe
2772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2216 wrote to memory of 2756	2216	cmd.exe	rundll32.exe
PID 2216 wrote to memory of 2756	2216	cmd.exe	rundll32.exe
PID 2216 wrote to memory of 2756	2216	cmd.exe	rundll32.exe
PID 2756 wrote to memory of 2772	2756	rundll32.exe	AcroRd32.exe
PID 2756 wrote to memory of 2772	2756	rundll32.exe	AcroRd32.exe
PID 2756 wrote to memory of 2772	2756	rundll32.exe	AcroRd32.exe
PID 2756 wrote to memory of 2772	2756	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\app-11.17.0\locales\vi.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- 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\vi.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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\vi.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2772

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
0d3b27b4265482a301025a4b73cf514c

SHA1
dcc2d65c487c4f00eade9ae69e37c6bd82960643

SHA256
b41f965edbd96126ab526d696e8a5d30082853572c540bcc97e123be79d95196

SHA512
b44d3003ef5c018ca2651ec341cdeff4253cc08e0f4336764329ec4f3f58066eba82dc856b8a98b46bfc682936a2bae6bca101e2ceae731038c92ea7ae402a36

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