dridex | 8219e46823598c41e7407c71761caa45ddfe301ff1fc43c018f712254ed91298

Analysis

max time kernel
142s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 02:40

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General

Target
b3906846225b5bc818ec50c39b544d37.dll
Size 184KB
Sample240305-c5vktacd21
SHA256 8219e46823598c41e7407c71761caa45ddfe301ff1fc43c018f712254ed91298
MD5 b3906846225b5bc818ec50c39b544d37
SHA1 72c6a15c5fee4b0f8c8fba9b4ff1f65bec06bc04
SHA512 da1a65e345afe414dc8f3592edde1dd6ca66307126eff5f20ea2e30066004cbdf127e0784ee22ecd5f01c7ca780066b304cb63efbd1dc445417116c8ea68a6ce
SSDEEP 3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JwVQcY:m3fOeIv54W6SFKfc9me9v9/JwV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664

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/1932-0-0x0000000074840000-0x0000000074870000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	1932	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1740 wrote to memory of 1932	1740	rundll32.exe	28
PID 1932 wrote to memory of 2220	1932	rundll32.exe	29
PID 1932 wrote to memory of 2220	1932	rundll32.exe	29
PID 1932 wrote to memory of 2220	1932	rundll32.exe	29
PID 1932 wrote to memory of 2220	1932	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3906846225b5bc818ec50c39b544d37.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3906846225b5bc818ec50c39b544d37.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 288
    3⤵
    - Program crash
    PID:2220

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1932-0-0x0000000074840000-0x0000000074870000-memory.dmp

Download

memory/1932-1-0x0000000000260000-0x0000000000266000-memory.dmp