dridex | 7249ce3d04df4431c89afca3e3ffbc8e54f0cb820b6d04f602e346eb2b97210c

Analysis

max time kernel
39s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 06:18

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General

Target

YJdtpgTLkkklgbtq.dll
Size

512KB
MD5

937fc1669108ba066c02a63b4140557a
SHA1

06f9280d70faf4feb2d5e5a4aa40f9d653af738a
SHA256

7249ce3d04df4431c89afca3e3ffbc8e54f0cb820b6d04f602e346eb2b97210c
SHA512

d1541e6713864d4f9a33d641b83410ec2271dc04e37e8de70afd251b5653d4e72ed91f58102eb09488b08e05ab20b5b5f222e796e6a846610fba5d502b0478be

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/1928-56-0x00000000746C0000-0x0000000074741000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 1928	336	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YJdtpgTLkkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YJdtpgTLkkklgbtq.dll,#1
2⤵
PID:1928

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1928-54-0x0000000000000000-mapping.dmp

Download
memory/1928-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1928-56-0x00000000746C0000-0x0000000074741000-memory.dmp

Filesize
516KB

Download
memory/1928-58-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download