dridex | 8c5ac4a843b495f16c7ef8240b7db35fbceb4f4e8da3a66277841f8c4093e34a

Analysis

max time kernel
136s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 08:45

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General

Target
e1423f2df81e46dc3e08ae1b68d291fe.dll
Size 188KB
Sample240327-kn6kragf69
SHA256 8c5ac4a843b495f16c7ef8240b7db35fbceb4f4e8da3a66277841f8c4093e34a
MD5 e1423f2df81e46dc3e08ae1b68d291fe
SHA1 c1adf5fc86647efd4056851f8e2f46278ce8b372
SHA512 78a0ed5f57f092905224f975e0dadd51e5ec813f138dab7aab3323e6d67d3eb84bff2bab1655590f0ff1e1a12bad172b3e8d59f29c43bdbce305b1379725d2bd
SSDEEP 3072:tA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:tzIqATVfQeV2FZalKq6jtGJWuTmd
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/4600-0-0x0000000074CB0000-0x0000000074CE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	4600	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 4600	1944	rundll32.exe	86
PID 1944 wrote to memory of 4600	1944	rundll32.exe	86
PID 1944 wrote to memory of 4600	1944	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1423f2df81e46dc3e08ae1b68d291fe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1423f2df81e46dc3e08ae1b68d291fe.dll,#1
  2⤵
  PID:4600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 692
    3⤵
    - Program crash
    PID:2976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4600 -ip 4600
1⤵
PID:4164

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4600-0-0x0000000074CB0000-0x0000000074CE0000-memory.dmp

Download

memory/4600-1-0x00000000009D0000-0x00000000009D6000-memory.dmp