dridex | 13fd29a172f41f378104be3d3b704afcce734cb8c1a5f578ce0db00de43613cc | Triage

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
26-02-2024 04:52

Sharing

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General

Target

a57984da725cc46a410982f5daf7d0a8.dll
Size

184KB
MD5

a57984da725cc46a410982f5daf7d0a8
SHA1

1e04b31dab9259e9626661c027da72f7cf82d66a
SHA256

13fd29a172f41f378104be3d3b704afcce734cb8c1a5f578ce0db00de43613cc
SHA512

c1f3755042d655b24631252c7f82b6cf83049a45f03802564333dd81efc0f34a418a02147ee4d009b2cebd75710ada93b498c3d57b998c470d22127ac69dba9d
SSDEEP

3072:pcYhzpn9z75jWpmrL3gA99hXkKsorn+AOr4RjjvaT:pcIntom33RDvn+Rror

Score

10^/10

dridex 22203 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22203

C2

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

rc4.plain

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.

Processes:

resource	yara_rule
behavioral2/memory/4100-0-0x0000000075500000-0x0000000075530000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3596 4100 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3776 wrote to memory of 4100	3776	rundll32.exe	rundll32.exe
PID 3776 wrote to memory of 4100	3776	rundll32.exe	rundll32.exe
PID 3776 wrote to memory of 4100	3776	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a57984da725cc46a410982f5daf7d0a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a57984da725cc46a410982f5daf7d0a8.dll,#1
2⤵
PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 612
3⤵
- Program crash
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4100 -ip 4100
1⤵
PID:4184

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4100-0-0x0000000075500000-0x0000000075530000-memory.dmp

Filesize
192KB

Download
memory/4100-1-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download