dridex | 73af5f2718ca2946a052bb9b27a2373b29b1094ae7caeba9612c5a8a9095afd0

Analysis

max time kernel
148s
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, 04:27

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General

Target
b1383298eee8f1ec7aea11638b1ef081.dll
Size 188KB
Sample240304-e3a5hahg2y
SHA256 73af5f2718ca2946a052bb9b27a2373b29b1094ae7caeba9612c5a8a9095afd0
MD5 b1383298eee8f1ec7aea11638b1ef081
SHA1 fa9c638d9589941c22e0bae134e23f5688a2a308
SHA512 6c292c8e75f01c758c8d4e6d11e0594663ff646b5a08655bfa53f38f520e5c4c848946094c642c5a09f7a0df5ee410598480b30e4fc7fc2396c465c9ebac8342
SSDEEP 3072:vH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWW7dU:vUua/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/3036-0-0x0000000074A00000-0x0000000074A30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1608	3036	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 3036	4752	rundll32.exe	87
PID 4752 wrote to memory of 3036	4752	rundll32.exe	87
PID 4752 wrote to memory of 3036	4752	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1383298eee8f1ec7aea11638b1ef081.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1383298eee8f1ec7aea11638b1ef081.dll,#1
  2⤵
  PID:3036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 692
    3⤵
    - Program crash
    PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3036 -ip 3036
1⤵
PID:5044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3036-0-0x0000000074A00000-0x0000000074A30000-memory.dmp

Download

memory/3036-1-0x0000000000AF0000-0x0000000000AF6000-memory.dmp