dridex | df211f9fe9c441bb19299e548ec770995c50a703a783810831973776c463768c

Analysis

max time kernel
141s
max time network
128s
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, 22:10

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General

Target
b339347e3ca1df6e8ae904e5dcfefcc4.dll
Size 188KB
Sample240304-13mn7afh22
SHA256 df211f9fe9c441bb19299e548ec770995c50a703a783810831973776c463768c
MD5 b339347e3ca1df6e8ae904e5dcfefcc4
SHA1 3fffcf655c525a38ea2ce7d4232dc0fd4057779c
SHA512 af2f64a4218027c18baca6d7090ff9de718801e795a889498347284d1893824f8002ab2e3bd6902e68123072f5bb175f0b0fc845f94109794010696d2d6a545c
SSDEEP 3072:oH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWs7dU:oUua/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/4924-0-0x0000000074C50000-0x0000000074C80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3884	4924	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 4924	1252	rundll32.exe	90
PID 1252 wrote to memory of 4924	1252	rundll32.exe	90
PID 1252 wrote to memory of 4924	1252	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b339347e3ca1df6e8ae904e5dcfefcc4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b339347e3ca1df6e8ae904e5dcfefcc4.dll,#1
  2⤵
  PID:4924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 692
    3⤵
    - Program crash
    PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4924 -ip 4924
1⤵
PID:2140

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4924-0-0x0000000074C50000-0x0000000074C80000-memory.dmp

Download

memory/4924-1-0x00000000011F0000-0x00000000011F6000-memory.dmp