dridex | 8ec8ee1bb2facf00fafd37092824603322cfac95f03017a90d583bd64892c734

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 17:29

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General

Target

zcd4ckp.rar.dll
Size

664KB
MD5

8bf92a9309b34b26a67168816be39dc5
SHA1

0619cb4be0a7cf72e11ec389c2176f370a96a193
SHA256

8ec8ee1bb2facf00fafd37092824603322cfac95f03017a90d583bd64892c734
SHA512

a1744b7dbb2442c2c06783e6e4c08d0e72c7e46a6231051a4212bd14ba3a57bee44c4bc713961f92f678b4b0e4c5d62702d98d659efaaa6cf266b3f55dc2fb9b
SSDEEP

12288:d/0Qzqf0egi48KM+6TFKywVt6PbEYU0eyJTT/Mu9oV01uIoaEP:t0zhgpn6TFKywvCbEOxDMu9oy8aEP

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

33 2676 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
33	2676	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2456 wrote to memory of 2676	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 2676	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 2676	2456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zcd4ckp.rar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zcd4ckp.rar.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2676

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2676-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-1-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-4-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-3-0x00000000004A2000-0x00000000004A8000-memory.dmp

Filesize
24KB

Download
memory/2676-5-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download