dridex | 75fbbdddcf81b5185236fd620156025c65e1f696f5fe9d78e60da54762b32e3e

Analysis

max time kernel
90s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
11-06-2022 16:45

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General

Target

lfi9iu.dll
Size

1.0MB
MD5

9608afd8262fd7f603022db2a06cbbd9
SHA1

4b51ee7c73ad8948b723e3aa1fa7f8cdff589696
SHA256

75fbbdddcf81b5185236fd620156025c65e1f696f5fe9d78e60da54762b32e3e
SHA512

4b17c2bac11d9a416d5e0cf99e0ae2b44496598207d8c7e6419f54f6176c7ecb9027a8342a78571d7a3170bc46e015fac97e9b78c52b74ecf3aeca88a28ed6cd

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

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 1 IoCs

Processes:

rundll32.exe

flow pid process

18 3196 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
18	3196	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 4028 wrote to memory of 3196	4028	rundll32.exe	rundll32.exe
PID 4028 wrote to memory of 3196	4028	rundll32.exe	rundll32.exe
PID 4028 wrote to memory of 3196	4028	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lfi9iu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4028

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lfi9iu.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3196

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/3196-130-0x0000000000000000-mapping.dmp

Download
memory/3196-131-0x00000000748C0000-0x00000000749DB000-memory.dmp

Filesize
1.1MB

Download
memory/3196-132-0x00000000748C0000-0x00000000748FD000-memory.dmp

Filesize
244KB

Download
memory/3196-133-0x00000000748C0000-0x00000000749DB000-memory.dmp

Filesize
1.1MB

Download
memory/3196-136-0x00000000748C0000-0x00000000749DB000-memory.dmp

Filesize
1.1MB

Download