dridex | 4cfe3f30d028e7cb1eea0ee761b75ed998cd0c6d6ff4f9a802db428d0b9dda39

Analysis

max time kernel
47s
max time network
51s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 05:50

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General

Target

oKQroZBngWiyjWkkklgbtq.dll
Size

512KB
MD5

3bcd371a9fb45f9f37c70592cb7d3bc7
SHA1

11351ba88dd922e810253246754b85500cb56352
SHA256

4cfe3f30d028e7cb1eea0ee761b75ed998cd0c6d6ff4f9a802db428d0b9dda39
SHA512

7254cf512df7c3e7094525cbe951ec0c9f827966229ee66b418b3edc881c75d446d1adc15e3b6a828b03b19141be1527b7762ccc90c474fe2f7584cc3d622127

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/1660-56-0x0000000074A00000-0x0000000074A81000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1944 1660 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1944	1660	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1660	1512	rundll32.exe	rundll32.exe
PID 1660 wrote to memory of 1944	1660	rundll32.exe	WerFault.exe
PID 1660 wrote to memory of 1944	1660	rundll32.exe	WerFault.exe
PID 1660 wrote to memory of 1944	1660	rundll32.exe	WerFault.exe
PID 1660 wrote to memory of 1944	1660	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\oKQroZBngWiyjWkkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\oKQroZBngWiyjWkkklgbtq.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 300
3⤵
- Program crash
PID:1944

MITRE ATT&CK Matrix

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Downloads

memory/1660-54-0x0000000000000000-mapping.dmp

Download
memory/1660-55-0x0000000076421000-0x0000000076423000-memory.dmp

Filesize
8KB

Download
memory/1660-56-0x0000000074A00000-0x0000000074A81000-memory.dmp

Filesize
516KB

Download
memory/1660-59-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/1944-58-0x0000000000000000-mapping.dmp

Download