8187eb54b87190f0216bc0c7fa6b1607ad6d957e01281e84cc1a3ec27b38757c

Resubmissions

10-08-2024 11:37

240810-nre4raxekr 10

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10-08-2024 11:37

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General

Target

mw3/Database/PSExt.dbd
Size

15KB
MD5

5c94de4a26e6b27f1b705d57a66cfe8a
SHA1

7c6acf210986fa1cc04b2a1ef47e241fa2b0aca3
SHA256

196509a22e2769543b3addbbbd9b685bc4d5d6466635db3a396633b19a61ef25
SHA512

f859949229b19a62bd95abe3f0009babd0685e9ccf2948ca11e9d0ec1a466718465b74812f015b53098ff184174a47fdaacb62bfd4415ef4800c4717321ddbb8
SSDEEP

384:X5t0WWqvBTEm008s0WKD008HxHCiGpL+2oa/Z78QL:X5y/qpYm008V7D008pQQla/9L

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.dbd\ = "dbd_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dbd_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dbd_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dbd_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dbd_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dbd_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.dbd	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dbd_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
2960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1164	2240	cmd.exe	32
PID 2240 wrote to memory of 1164	2240	cmd.exe	32
PID 2240 wrote to memory of 1164	2240	cmd.exe	32
PID 1164 wrote to memory of 2960	1164	rundll32.exe	33
PID 1164 wrote to memory of 2960	1164	rundll32.exe	33
PID 1164 wrote to memory of 2960	1164	rundll32.exe	33
PID 1164 wrote to memory of 2960	1164	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\mw3\Database\PSExt.dbd
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\mw3\Database\PSExt.dbd
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1164
- - 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\mw3\Database\PSExt.dbd"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2960

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
9d2bba9760816188f47f1c50c2bdcbfe

SHA1
f06d413739d09bf672d3aa950a2654b271f24987

SHA256
33a867d3f5c0674e16d5fc0a9c29980229e0258be9a28e75b93b0993bfafbd8b

SHA512
f8d8515838fccb1790dbba84b2f9f2ccbec4ac252f7f9bee5691079871f9b530e6c93c1d56c843e0bf38b51d67a9656743557cec7298d2fb715b945d4ef9d7e6

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