721582ffe4abce8f7488a3b31c4c948b8ba9f439065437c6c9bd1c950f9446b9

Resubmissions

17/01/2025, 13:15

250117-qhg8vsypcz 4

17/01/2025, 11:29

250117-nlw53swmar 4

09/01/2025, 21:28

250109-1bc1ns1qgt 4

05/01/2025, 19:25

250105-x44gjstlew 10

Analysis

max time kernel
89s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2025, 19:25

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General

Target

Bull140U.dll
Size

3.2MB
MD5

beeb151d977f3a5c505e6235fce14254
SHA1

9547ccc48e35effef55891d9ac91aca118335cf0
SHA256

ce673d3e52f338333790a0214a5032bc498af64a538158e7f4c540b40e0f6b04
SHA512

1d12d39ff8d46021c8241a41ecc3875d8f017bb1d3b7abad8aa2c945b2b4c0472900ef5a7feabce657fb8a55f3586f9ad76d9e836c43cb3502b2bace32dbe985
SSDEEP

49152:eucCrMzcHiNTP0aVY+cTiPA+uo8TWh6UU3JxpHIWkU1ZwnlmdE:ZPCtVYfbnoV6UCZHIxZ

Score

3^/10

discovery

Malware Config

Signatures

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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 3360	3548	regsvr32.exe	81
PID 3548 wrote to memory of 3360	3548	regsvr32.exe	81
PID 3548 wrote to memory of 3360	3548	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Bull140U.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Bull140U.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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