dridex | a4286cae5911abe118491ac41c8b5949348b34e67e651d55163f50c692c46894

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 10:34

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General

Target
8eedcc34c37f89b3cbecd3f0f465cdf9.dll
Size 188KB
Sample240204-ml4pgshegq
SHA256 a4286cae5911abe118491ac41c8b5949348b34e67e651d55163f50c692c46894
MD5 8eedcc34c37f89b3cbecd3f0f465cdf9
SHA1 311cd16d3bf03db491c91af491760a691045913b
SHA512 ae7867f2d52d31f48d408b5ba27fc6e9ac22f402cff8631a36f8f0b2d67cd9bb02f321b21e842440ec6c58a9f974c1d10fc326bab88cee804fb0301d4ab67d7f
SSDEEP 3072:qA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:qzIqATVfQeV2FZalKq6jtGJWuTmd
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
behavioral1/memory/2116-0-0x0000000074F90000-0x0000000074FC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	2116	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 1992 wrote to memory of 2116	1992	rundll32.exe	28
PID 2116 wrote to memory of 2720	2116	rundll32.exe	29
PID 2116 wrote to memory of 2720	2116	rundll32.exe	29
PID 2116 wrote to memory of 2720	2116	rundll32.exe	29
PID 2116 wrote to memory of 2720	2116	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8eedcc34c37f89b3cbecd3f0f465cdf9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8eedcc34c37f89b3cbecd3f0f465cdf9.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 308
    3⤵
    - Program crash
    PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2116-0-0x0000000074F90000-0x0000000074FC0000-memory.dmp

Download

memory/2116-1-0x0000000000410000-0x0000000000416000-memory.dmp