dridex | 77dfe792e035c7e2ae017f402b464754ceeda48c03eb8cf2f1286af6764af71a

Analysis

max time kernel
141s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 20:31

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General

Target

d9c14d537cd3acbdbdada6ab415ec998.dll
Size

188KB
MD5

d9c14d537cd3acbdbdada6ab415ec998
SHA1

48594ec3847ae3b2fdad3f79e0cce06068165ca9
SHA256

77dfe792e035c7e2ae017f402b464754ceeda48c03eb8cf2f1286af6764af71a
SHA512

ecc818f94352410f7aac01a3725b57cbb98c1ba3caf451555b1de955132c2fe847d63489ba919d8477fd0af2214dd35abb213651dc686f90d22bd6c420b37ec3
SSDEEP

3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao:zzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1908-0-0x0000000074F10000-0x0000000074F40000-memory.dmp	dridex_ldr
behavioral1/memory/1908-1-0x0000000074F10000-0x0000000074F40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1636 1908 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1636	1908	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 2084 wrote to memory of 1908	2084	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1636	1908	rundll32.exe	WerFault.exe
PID 1908 wrote to memory of 1636	1908	rundll32.exe	WerFault.exe
PID 1908 wrote to memory of 1636	1908	rundll32.exe	WerFault.exe
PID 1908 wrote to memory of 1636	1908	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9c14d537cd3acbdbdada6ab415ec998.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9c14d537cd3acbdbdada6ab415ec998.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 300
3⤵
- Program crash
PID:1636

MITRE ATT&CK Matrix

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Downloads

memory/1908-0-0x0000000074F10000-0x0000000074F40000-memory.dmp

Filesize
192KB

Download
memory/1908-1-0x0000000074F10000-0x0000000074F40000-memory.dmp

Filesize
192KB

Download
memory/1908-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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