dridex | 1897fbd9152ed616f8249956eb6c21944927c5edf5287ac9d58d8b30dcae5369

Analysis

max time kernel
141s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 12:57

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General

Target

36f88b31dec983c6c5ec126c76fc2bee.dll
Size

188KB
MD5

36f88b31dec983c6c5ec126c76fc2bee
SHA1

91c77e1bad0fced21d33aef52ba35cf375519710
SHA256

1897fbd9152ed616f8249956eb6c21944927c5edf5287ac9d58d8b30dcae5369
SHA512

b20e9cfef4591cd8e5de51da31ba6a361b7a72bed1d1d55d8456384e125b666dab1844580ac876550b6ecaf69e8ffbb13a688b1c21da44b1016b7f32c49473b4
SSDEEP

3072:NA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoTo:NzIqATVfQeV2FZalKq6jtGJWuTmd

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
behavioral1/memory/2724-0-0x00000000747F0000-0x0000000074820000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2724	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2124 wrote to memory of 2724	2124	rundll32.exe	28
PID 2724 wrote to memory of 2760	2724	rundll32.exe	29
PID 2724 wrote to memory of 2760	2724	rundll32.exe	29
PID 2724 wrote to memory of 2760	2724	rundll32.exe	29
PID 2724 wrote to memory of 2760	2724	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36f88b31dec983c6c5ec126c76fc2bee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\36f88b31dec983c6c5ec126c76fc2bee.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 308
    3⤵
    - Program crash
    PID:2760

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2724-0-0x00000000747F0000-0x0000000074820000-memory.dmp

Filesize
192KB

Download
memory/2724-1-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download