dridex | 947cfb6d949f9a30f0c66d2aaabb0ccbe4cd0acf735abebc0e929e49c9fe83eb

Analysis

max time kernel
45s
max time network
50s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 05:14

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General

Target

iMzLYIacjTSkkklgbtq.dll
Size

512KB
MD5

11d52c5c4588cc43842dca09a21f1eb6
SHA1

599267f47c25f6eafa52ace80dfd9fad2aa798d8
SHA256

947cfb6d949f9a30f0c66d2aaabb0ccbe4cd0acf735abebc0e929e49c9fe83eb
SHA512

e0cb6461c44d70c9398ae9f93d079748de13dc9122f17084c3b1a02b7d8f901259d91cfca5bb1d750e8bed74db83859e829a283223b6471163c3634a2f06bba4

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/1092-56-0x0000000074F00000-0x0000000074F81000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2004 1092 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2004	1092	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1092	1448	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 2004	1092	rundll32.exe	WerFault.exe
PID 1092 wrote to memory of 2004	1092	rundll32.exe	WerFault.exe
PID 1092 wrote to memory of 2004	1092	rundll32.exe	WerFault.exe
PID 1092 wrote to memory of 2004	1092	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\iMzLYIacjTSkkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\iMzLYIacjTSkkklgbtq.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 300
3⤵
- Program crash
PID:2004

MITRE ATT&CK Matrix

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Downloads

memory/1092-54-0x0000000000000000-mapping.dmp

Download
memory/1092-55-0x0000000076601000-0x0000000076603000-memory.dmp

Filesize
8KB

Download
memory/1092-56-0x0000000074F00000-0x0000000074F81000-memory.dmp

Filesize
516KB

Download
memory/1092-59-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2004-58-0x0000000000000000-mapping.dmp

Download