dridex | 28c5da1e2895ccc4f4a2edcee87080bde68545dcb77fad5d8edcd593edf73015

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 22:59

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General

Target

f48455f21326e80609512dd15081306e_JaffaCakes118.dll
Size

188KB
MD5

f48455f21326e80609512dd15081306e
SHA1

4f58db6eee877c4ba7d0b0f111522d6e241a3c11
SHA256

28c5da1e2895ccc4f4a2edcee87080bde68545dcb77fad5d8edcd593edf73015
SHA512

173b9556ec26a868472d60575ed1dd48a72f78beb4f14725a7839e9ae216b0649c99dbe96ea19b3438f1cafbf2789f3c260f0e26db8ddd9c389a16df669f9eb8
SSDEEP

3072:rA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:rzIqATVfQeV2FZalKq6jtGJWuTmd

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/1636-0-0x0000000074EA0000-0x0000000074ED0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1744 1636 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1744	1636	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f48455f21326e80609512dd15081306e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f48455f21326e80609512dd15081306e_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 300
3⤵
- Program crash
PID:1744

MITRE ATT&CK Matrix

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Downloads

memory/1636-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1636-0-0x0000000074EA0000-0x0000000074ED0000-memory.dmp

Filesize
192KB

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