dridex | 34ff4881faea8dc3bcea9ac5e14ade91f7b14a306ff7f4f3a9c0d6fc4036db2d

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 23:20

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General

Target
c9e3412619a28dd223fefc4b62c02578.dll
Size 188KB
Sample240314-3bkfvsac41
SHA256 34ff4881faea8dc3bcea9ac5e14ade91f7b14a306ff7f4f3a9c0d6fc4036db2d
MD5 c9e3412619a28dd223fefc4b62c02578
SHA1 9d39074f9cb41857d12474373f1cc76ab6081764
SHA512 febc8ea80a30926b18b2bc789ce4bbb222c504d3982032edfd304e5871b6cf4eeab9d9c31e4b57092d1c74fe6725f7c81983034e4062675784766e6333f3bd33
SSDEEP 3072:OA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoUo:OzIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/5100-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1692	5100	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 5100	1576	rundll32.exe	85
PID 1576 wrote to memory of 5100	1576	rundll32.exe	85
PID 1576 wrote to memory of 5100	1576	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9e3412619a28dd223fefc4b62c02578.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9e3412619a28dd223fefc4b62c02578.dll,#1
  2⤵
  PID:5100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 692
    3⤵
    - Program crash
    PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5100 -ip 5100
1⤵
PID:3740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/5100-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp

Download

memory/5100-1-0x0000000000B60000-0x0000000000B66000-memory.dmp