dridex | 99b02ee3c8256eb95c745119609a976ced1d887e6475f6bd3768fb9711e75554

Analysis

max time kernel
47s
max time network
51s
platform
windows7_x64
resource
win7-20220414-en
submitted
11-06-2022 17:13

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General

Target

YPLRekkklgbtq.dll
Size

512KB
MD5

00f420f88d53dca440288d6ff4958124
SHA1

df18658f05cb9b0331b36ffbc6738a3bf86b7904
SHA256

99b02ee3c8256eb95c745119609a976ced1d887e6475f6bd3768fb9711e75554
SHA512

cbd3f2a60a51a8139837e3f0c2f5193d5e58a1e04e1aa0c7ee74a722e6e2f4fc75ed4f5d0e069eff96a42fc11483d0ed42781a9f443d58fa75d9f179395bbf98

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/1628-56-0x0000000074E90000-0x0000000074F11000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1940 1628 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1940	1628	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1628	632	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1940	1628	rundll32.exe	WerFault.exe
PID 1628 wrote to memory of 1940	1628	rundll32.exe	WerFault.exe
PID 1628 wrote to memory of 1940	1628	rundll32.exe	WerFault.exe
PID 1628 wrote to memory of 1940	1628	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YPLRekkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YPLRekkklgbtq.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 300
3⤵
- Program crash
PID:1940

MITRE ATT&CK Matrix

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Downloads

memory/1628-54-0x0000000000000000-mapping.dmp

Download
memory/1628-55-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/1628-56-0x0000000074E90000-0x0000000074F11000-memory.dmp

Filesize
516KB

Download
memory/1628-59-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1940-58-0x0000000000000000-mapping.dmp

Download