66811137c6a8dbbdaab91db877cf267ba2b46dc44cd64eceff5d9bb6e8db94ac

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 13:30

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General

Target

jre/bin/bci.dll
Size

15KB
MD5

a46289384f76c2a41ba7251459849288
SHA1

4d8ef96edbe07c8722fa24e4a5b96ebfa18be2c4
SHA256

728d64bc1fbf48d4968b1b93893f1b5db88b052ab82202c6840bf7886a64017d
SHA512

34d62beb1fa7d8630f5562c1e48839ce9429faea980561e58076df5f19755761454eeb882790ec1035c64c654fc1a8cd5eb46eca12e2bc81449acbb73296c9e8
SSDEEP

384:1Td3hw/L3kKLnYgIOGOOssnPV5Lnf6onYPLr7EbH:1zw/bkKLt7KnddnfPC7S

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1736 1928 WerFault.exe rundll32.exe
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:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1736	1928	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 1928	2364	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	WerFault.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	WerFault.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	WerFault.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\bci.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\bci.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 220
    3⤵
    - Program crash
    PID:1736

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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