dridex | 33331eeb4f81e1933b6f5641c14d463801e2956b5635817fe135fa96a5ae1649

Analysis

max time kernel
40s
max time network
43s
platform
windows7_x64
resource
win7-20220414-en
submitted
28-06-2022 14:54

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General

Target

Dridex_edd5c9a776ab5864b62e9ee140d3474ee2fe4c46de591aa3a25bbd133a9f9fe8.dll
Size

532KB
MD5

1ce52b16a6071024ac3c2557c6a70b9a
SHA1

ea42d43398124793c7769ab36e28d5750b338004
SHA256

edd5c9a776ab5864b62e9ee140d3474ee2fe4c46de591aa3a25bbd133a9f9fe8
SHA512

3f4098fbbab9a604e2b9b087a05c901d7a5393232132f61e36d819d3347bf2cf66fbc9bfac56f0dbb80f3d2338be246fc00a01251fcd0890bd41733806a4e9bc

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/1344-56-0x0000000074980000-0x0000000074A07000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

752 1344 WerFault.exe rundll32.exe

pid	pid_target	process	target process
752	1344	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 948 wrote to memory of 1344	948	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 752	1344	rundll32.exe	WerFault.exe
PID 1344 wrote to memory of 752	1344	rundll32.exe	WerFault.exe
PID 1344 wrote to memory of 752	1344	rundll32.exe	WerFault.exe
PID 1344 wrote to memory of 752	1344	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_edd5c9a776ab5864b62e9ee140d3474ee2fe4c46de591aa3a25bbd133a9f9fe8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_edd5c9a776ab5864b62e9ee140d3474ee2fe4c46de591aa3a25bbd133a9f9fe8.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 224
3⤵
- Program crash
PID:752

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/752-59-0x0000000000000000-mapping.dmp

Download
memory/1344-54-0x0000000000000000-mapping.dmp

Download
memory/1344-55-0x0000000074F21000-0x0000000074F23000-memory.dmp

Filesize
8KB

Download
memory/1344-56-0x0000000074980000-0x0000000074A07000-memory.dmp

Filesize
540KB

Download
memory/1344-58-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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