dridex | 9523b7f2526141e1dcb8695f99d4b3b5503659d7c011d5ba87d9a7e944ba5145

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2024, 03:49

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General

Target
b1250f72b0216c1e93383a733f5821e5.dll
Size 188KB
Sample240304-edjeksha7w
SHA256 9523b7f2526141e1dcb8695f99d4b3b5503659d7c011d5ba87d9a7e944ba5145
MD5 b1250f72b0216c1e93383a733f5821e5
SHA1 45ad2c1c0122f14a55b2dd3e7a800b4f7cf96c06
SHA512 8cff9951ece72b127f43a8feb9a1b4b8160933bd7d908c945a4d57e8b5b59ca978340745216af680c928451cd034072ac820fdab2d74a7b9557d8fa26a7cb96e
SSDEEP 3072:lH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWZ7dU:lUua/Pv7YNhRIEZDeXVpAxtMsxK
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/4432-0-0x0000000075590000-0x00000000755C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	4432	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 4432	688	rundll32.exe	87
PID 688 wrote to memory of 4432	688	rundll32.exe	87
PID 688 wrote to memory of 4432	688	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1250f72b0216c1e93383a733f5821e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1250f72b0216c1e93383a733f5821e5.dll,#1
  2⤵
  PID:4432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 564
    3⤵
    - Program crash
    PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4432 -ip 4432
1⤵
PID:2436

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4432-0-0x0000000075590000-0x00000000755C0000-memory.dmp

Download

memory/4432-1-0x00000000004A0000-0x00000000004A6000-memory.dmp