dridex | b1a0aeb53b2711972011ec2c0501f5fb5ea1dc075403a0c4db963d07e7160b94

General

Target

e87600f11c67d2d8ac34f660bf737d41.dll
Size

750KB
MD5

e87600f11c67d2d8ac34f660bf737d41
SHA1

b1c1152bfeee0bf51634829b061afd1826aaf5d5
SHA256

b1a0aeb53b2711972011ec2c0501f5fb5ea1dc075403a0c4db963d07e7160b94
SHA512

9c131fdb9ead4d94e9844d08c5be31e1a07972a0d3b9e87908fa3d4b27282cba9f622b21f192f4b6f958a339e07d54d129ab90e5c72f72252aaf1878de2e90ac

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

24 3968 rundll32.exe
26 3968 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
24	3968	rundll32.exe
26	3968	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 3704 wrote to memory of 3968	3704	rundll32.exe	rundll32.exe
PID 3704 wrote to memory of 3968	3704	rundll32.exe	rundll32.exe
PID 3704 wrote to memory of 3968	3704	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e87600f11c67d2d8ac34f660bf737d41.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3704

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e87600f11c67d2d8ac34f660bf737d41.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3968

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/3968-118-0x0000000000000000-mapping.dmp

Download
memory/3968-119-0x00000000739B0000-0x0000000073A79000-memory.dmp

Filesize
804KB

Download
memory/3968-120-0x00000000739B0000-0x00000000739ED000-memory.dmp

Filesize
244KB

Download
memory/3968-121-0x00000000739B0000-0x0000000073A79000-memory.dmp

Filesize
804KB

Download
memory/3968-124-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/3968-123-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/3968-125-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/3968-903-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download

Analysis

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