dridex | 4d8538976b3fb7654cc5dadb74075d96175c849d80f3b897dea34c45bd1d6eeb

General

Target

SecuriteInfo.com.Trojan.Win32.Wacatac.Bml.21800.23187.dll
Size

750KB
MD5

517234fdd94a0596ac7c0b82acecbc8a
SHA1

2f0cae8f0b85b9a1bda94e3dc6652f9ae2bef477
SHA256

4d8538976b3fb7654cc5dadb74075d96175c849d80f3b897dea34c45bd1d6eeb
SHA512

54da8c0792ec90c39bb2086fc60274e6d42449db20dbc77f94168bd38193630e5ee99402733cdcc207ada2fbb78639142edb6fa0ce009e2040d624dfeebbc262

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

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 2 IoCs

Processes:

rundll32.exe

flow pid process

4 516 rundll32.exe
6 516 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
4	516	rundll32.exe
6	516	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 516	820	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Wacatac.Bml.21800.23187.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Wacatac.Bml.21800.23187.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/516-55-0x0000000000000000-mapping.dmp

Download
memory/516-56-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download
memory/516-57-0x0000000074840000-0x0000000074909000-memory.dmp

Filesize
804KB

Download
memory/516-58-0x0000000074840000-0x000000007487D000-memory.dmp

Filesize
244KB

Download
memory/516-59-0x0000000074840000-0x0000000074909000-memory.dmp

Filesize
804KB

Download
memory/516-61-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

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