ca5a0e2963dc959524712f6d71b937d20a2bf15a4fece708ede9a84b50bb2ebf

Analysis

max time kernel
57s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 10:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bayrernes.afv
Size

453KB
MD5

334c7f837a0f72e41601057332c603c9
SHA1

d1d92486f8e198af7061c9a0d1a58581dde0f996
SHA256

5ab0038204e3cbef3fd931858908121176cd57f84a551681552707eb1abfa59a
SHA512

52d077b6e8ab2ffd1ce9e018d1fce59ea48f22b8716bb6dec77a71238f0810156760b96a4a434c05c809983ac36a400fab0375cd72697f5e7171db6e0f3de52d
SSDEEP

1536:lbk1LH6GMgXzqftFrKcCFJrNI0DZgzXheDiUKfIXBd66GBG:lkZ6QXzqftocAJrNI0U066Gs

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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 352	2348	cmd.exe	31
PID 2348 wrote to memory of 352	2348	cmd.exe	31
PID 2348 wrote to memory of 352	2348	cmd.exe	31
PID 352 wrote to memory of 2744	352	rundll32.exe	32
PID 352 wrote to memory of 2744	352	rundll32.exe	32
PID 352 wrote to memory of 2744	352	rundll32.exe	32
PID 352 wrote to memory of 2744	352	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bayrernes.afv
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bayrernes.afv
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:352
- - 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\bayrernes.afv"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2744

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
fee75268cc827887f9f139af1f11e94a

SHA1
94f4b35229e4d5e0202513ab1fb74f5223c6c759

SHA256
4ea7da92ca58faa862ec0ed44f4fec39b84155e8701f83f56b60888ffa7c2896

SHA512
92834c07d76edba3b53b4a5b219a6b60217acecf77cc4b05fed00aa69666c8e32e6aa9988dd01b56fe601d7e2f7ef22f795c3e6ba5b456149388bb07ca53196e

Download Submit