dridex | 93efd751aa87f9bb2dc22adcf47a72f6893a27c49fe074750454d4aacd13b94c

Analysis

max time kernel
42s
max time network
49s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 05:06

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General

Target

byUxDGdVUTjYkkklgbtq.dll
Size

512KB
MD5

7223405e1c7c78d69d287dd2a50250ef
SHA1

dd6423ed9bf92ce5dda658958a24bdf7b8fbc03f
SHA256

93efd751aa87f9bb2dc22adcf47a72f6893a27c49fe074750454d4aacd13b94c
SHA512

c1eee11fe8c03be1d5d116d636c7eb45c4535a54c62532784ce50590bbb866d52b5558b8843f98be756b0062758784adad583ee4de79196ddbb03efa68cf68a2

Score

10^/10

dridex 22203 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22203

51.159.52.196:443

134.209.247.135:6602

194.233.68.48:5228

89.31.56.58:593

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

Processes:

resource	yara_rule
behavioral1/memory/2040-56-0x0000000074690000-0x0000000074711000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

964 2040 WerFault.exe rundll32.exe

pid	pid_target	process	target process
964	2040	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 1132 wrote to memory of 2040	1132	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 964	2040	rundll32.exe	WerFault.exe
PID 2040 wrote to memory of 964	2040	rundll32.exe	WerFault.exe
PID 2040 wrote to memory of 964	2040	rundll32.exe	WerFault.exe
PID 2040 wrote to memory of 964	2040	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\byUxDGdVUTjYkkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\byUxDGdVUTjYkkklgbtq.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 300
3⤵
- Program crash
PID:964

MITRE ATT&CK Matrix

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Downloads

memory/964-58-0x0000000000000000-mapping.dmp

Download
memory/2040-54-0x0000000000000000-mapping.dmp

Download
memory/2040-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/2040-56-0x0000000074690000-0x0000000074711000-memory.dmp

Filesize
516KB

Download
memory/2040-59-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download