dridex | 3c080c1e4d8af66d2c3ca55e9b39e8d8b63c5676142bb61401e25ec90ec017fe

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-03-2024 12:51

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General

Target

e1b59dcb05741b435086ac3a023b2ead.dll
Size

188KB
MD5

e1b59dcb05741b435086ac3a023b2ead
SHA1

1ccbbf26f678c3071aa7aa6341082adceeb98729
SHA256

3c080c1e4d8af66d2c3ca55e9b39e8d8b63c5676142bb61401e25ec90ec017fe
SHA512

862f0ce5eb633a8c3cacdc81844a9596fd8a2c18e88551a33ff000237715259d0dfe7558a74761b00f34b5ca423106f1129d674397fd16f0270400fe86ed6bf3
SSDEEP

3072:5A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoTo:5zIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2104-1-0x0000000074870000-0x00000000748A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1192 2104 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1192	2104	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 1948 wrote to memory of 2104	1948	rundll32.exe	rundll32.exe
PID 2104 wrote to memory of 1192	2104	rundll32.exe	WerFault.exe
PID 2104 wrote to memory of 1192	2104	rundll32.exe	WerFault.exe
PID 2104 wrote to memory of 1192	2104	rundll32.exe	WerFault.exe
PID 2104 wrote to memory of 1192	2104	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b59dcb05741b435086ac3a023b2ead.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b59dcb05741b435086ac3a023b2ead.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 300
3⤵
- Program crash
PID:1192

MITRE ATT&CK Matrix

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Downloads

memory/2104-1-0x0000000074870000-0x00000000748A0000-memory.dmp

Filesize
192KB

Download
memory/2104-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2104-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download