dridex | 6b62c3906edaed2be8993b6013a50ab123cd85d5cd55d4580d324b2b5c3264e9

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
23-12-2021 15:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5.exe.dll
Size

552KB
MD5

bb880b1799d137def2d94a7eda6d36a1
SHA1

63f3b460bcf945995a028326ffd28be470ab21e0
SHA256

6b62c3906edaed2be8993b6013a50ab123cd85d5cd55d4580d324b2b5c3264e9
SHA512

eaedf5ec87afb73372280c29fe1ee58842f8400fab85ab335cf0c68750bdd022297e9cf02ae9c6e77cb1135cb76c229049c34d831dcc681decb66fc01771a707

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.91.122.102:443

85.10.248.28:593

185.4.135.27:5228

80.211.3.13:8116

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/1744-56-0x0000000074BB0000-0x0000000074C3C000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

628 1744 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

628 WerFault.exe
628 WerFault.exe
628 WerFault.exe
628 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

628 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 628 WerFault.exe

pid	pid_target	process	target process
628	1744	WerFault.exe	rundll32.exe

pid	process
628	WerFault.exe
628	WerFault.exe
628	WerFault.exe
628	WerFault.exe

pid	process
628	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	628	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1744	796	rundll32.exe	rundll32.exe
PID 1744 wrote to memory of 628	1744	rundll32.exe	WerFault.exe
PID 1744 wrote to memory of 628	1744	rundll32.exe	WerFault.exe
PID 1744 wrote to memory of 628	1744	rundll32.exe	WerFault.exe
PID 1744 wrote to memory of 628	1744	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5.exe.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 224
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:628

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/628-58-0x0000000000000000-mapping.dmp

Download
memory/628-61-0x0000000001C10000-0x0000000001C11000-memory.dmp

Filesize
4KB

Download
memory/1744-54-0x0000000000000000-mapping.dmp

Download
memory/1744-55-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1744-56-0x0000000074BB0000-0x0000000074C3C000-memory.dmp

Filesize
560KB

Download
memory/1744-60-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download