dridex | 27b24d442413bdb408f7d2e09f440a5fba2d5b2bf22ed2a99562c09dc3234fb3

Analysis

max time kernel
140s
max time network
33s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
30-06-2023 16:29

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General

Target

ngKnznerdtRLqCLkkklgbtqbi.dll
Size

512KB
MD5

e2ed08002db901030f341b022ad468ec
SHA1

c430c4a6ba75e121128aa2a5fc7efe220675c073
SHA256

27b24d442413bdb408f7d2e09f440a5fba2d5b2bf22ed2a99562c09dc3234fb3
SHA512

af5d9602bec22fffdbe28465f460e3e5e2938a97c799d5c5fa6b47d52a78765730e3024698d3f80e0cd39781c9fd97d86645dce6968fc579188e8fe067da91ea
SSDEEP

12288:f2cK4kV9W/k7MNKABzMyLi8E6+DnOM2SwyuRn:CkMs9

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/2040-54-0x00000000751C0000-0x0000000075241000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2032 2040 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2032	2040	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 2040	1380	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 2032	2040	rundll32.exe	WerFault.exe
PID 2040 wrote to memory of 2032	2040	rundll32.exe	WerFault.exe
PID 2040 wrote to memory of 2032	2040	rundll32.exe	WerFault.exe
PID 2040 wrote to memory of 2032	2040	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ngKnznerdtRLqCLkkklgbtqbi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ngKnznerdtRLqCLkkklgbtqbi.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:2032

MITRE ATT&CK Matrix

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Downloads

memory/2040-54-0x00000000751C0000-0x0000000075241000-memory.dmp

Filesize
516KB

Download
memory/2040-55-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

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