dridex | 8cd9c1725c59139cafb22e210d4cbd0e6d78c2d5ed5cddda30b173dc85950d9e

Analysis

max time kernel
34s
max time network
47s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 06:19

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General

Target

YxmLURonkkklgbtq.dll
Size

512KB
MD5

aa0ffec1cd9b4482262af7a9627dea44
SHA1

6fb4d8a51447e03cd7b3c5fc325fe255d32c6d03
SHA256

8cd9c1725c59139cafb22e210d4cbd0e6d78c2d5ed5cddda30b173dc85950d9e
SHA512

83f0ee18b7e44104f12f8ee6bcb70e7256304187b0cc5d64ea974fcf8b7739c96bf6bc17e02a04f3a87b02bde8edec23f0b8d23433fc9be236b953f27c9ea222

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/1476-56-0x0000000074BC0000-0x0000000074C41000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1836 1476 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1836	1476	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1476	1156	rundll32.exe	rundll32.exe
PID 1476 wrote to memory of 1836	1476	rundll32.exe	WerFault.exe
PID 1476 wrote to memory of 1836	1476	rundll32.exe	WerFault.exe
PID 1476 wrote to memory of 1836	1476	rundll32.exe	WerFault.exe
PID 1476 wrote to memory of 1836	1476	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YxmLURonkkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YxmLURonkkklgbtq.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 300
3⤵
- Program crash
PID:1836

MITRE ATT&CK Matrix

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Downloads

memory/1476-54-0x0000000000000000-mapping.dmp

Download
memory/1476-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

Filesize
8KB

Download
memory/1476-56-0x0000000074BC0000-0x0000000074C41000-memory.dmp

Filesize
516KB

Download
memory/1476-59-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1836-58-0x0000000000000000-mapping.dmp

Download