dridex | 754a2549560057744ddd41eb61eaca124666c185287b70a4d662252359422f01

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 02:31

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General

Target
b64955ac05c4e0ec992a17760b707f78.dll
Size 188KB
Sample240306-czpsdagg8v
SHA256 754a2549560057744ddd41eb61eaca124666c185287b70a4d662252359422f01
MD5 b64955ac05c4e0ec992a17760b707f78
SHA1 52e401f66ab1e32319effe052916b00dca36dfa2
SHA512 fcc29fb8d4c6c63286ee5bf6b1e1e83671e140058008f1d4c5209393d512b580bce2fca50a0b6a5f98ebe9c9326b69da8230478e99b526bb9496e16e93ae050f
SSDEEP 3072:cA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoGo:czIqATVfQeV2FZalKq6jtGJWuTmd
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
behavioral1/memory/2268-0-0x00000000751C0000-0x00000000751F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2984	2268	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 3056 wrote to memory of 2268	3056	rundll32.exe	28
PID 2268 wrote to memory of 2984	2268	rundll32.exe	29
PID 2268 wrote to memory of 2984	2268	rundll32.exe	29
PID 2268 wrote to memory of 2984	2268	rundll32.exe	29
PID 2268 wrote to memory of 2984	2268	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b64955ac05c4e0ec992a17760b707f78.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b64955ac05c4e0ec992a17760b707f78.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 300
    3⤵
    - Program crash
    PID:2984

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2268-0-0x00000000751C0000-0x00000000751F0000-memory.dmp

Download

memory/2268-2-0x00000000001D0000-0x00000000001D6000-memory.dmp