bc6612f74ffa0035fa08e062880dae1e38305c7c22fab3619b7c638e0cb66528

Analysis

max time kernel
103s
max time network
21s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 13:18

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General

Target

locales/bg.pak
Size

685KB
MD5

945de8a62865092b8100e93ea3e9828d
SHA1

18d4c83510455ce12a6ac85f9f33af46b0557e2e
SHA256

f0e39893a39ce6133c1b993f1792207830b8670a6eb3185b7e5826d50fea7ba2
SHA512

5f61160ff64b9490a1ad5517d8c1bb81af77d349541fed5045e7f6e5053b7d79b7e8f114630bfbe4d5af30258f70a6569462bfa39ccb765f8ca191f82ee04f3f
SSDEEP

12288:wQpKqVw2iILlY+dAs1aQUfjoaVV4FH2mFx0x35uKN3CuKb7szmV2Jfu64K+z5jSF:5pKqJi6lY+dAs1aQU7yCx35uK4XQzQIp

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

2664 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2664 AcroRd32.exe
2664 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
2664	AcroRd32.exe

pid	process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2804 wrote to memory of 3032	2804	cmd.exe	rundll32.exe
PID 2804 wrote to memory of 3032	2804	cmd.exe	rundll32.exe
PID 2804 wrote to memory of 3032	2804	cmd.exe	rundll32.exe
PID 3032 wrote to memory of 2664	3032	rundll32.exe	AcroRd32.exe
PID 3032 wrote to memory of 2664	3032	rundll32.exe	AcroRd32.exe
PID 3032 wrote to memory of 2664	3032	rundll32.exe	AcroRd32.exe
PID 3032 wrote to memory of 2664	3032	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\bg.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\bg.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\bg.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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
044f29c75ec392bd406e22f60280ecb7

SHA1
e38806da655d046ba671a7347c48e30b405ff24a

SHA256
84d6a2335e9029c6b343a43052d2fae12cb64f2ff0a97739779acbdbf24c235b

SHA512
fef386d17121ae6d8a12ee86d97db749da0215c5a306d2ad8d1054a27f9b5f61bb80280aec02d8691ca9f0da4b93203aa4c264888774c4a547d681a04fb59bf6

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