dridex | d02b00600dcadb02302b00e26a087f3fa7b79a5e7b4c59e05ebec201e1865314

General

Target

f1ec18d4bba30a7685d24c47c27fcfb3.dll
Size

750KB
MD5

f1ec18d4bba30a7685d24c47c27fcfb3
SHA1

54442998793413816475c8f15e8afae0c7cd71c6
SHA256

d02b00600dcadb02302b00e26a087f3fa7b79a5e7b4c59e05ebec201e1865314
SHA512

a7e2ffc93aaff715cbfc7bd4932b418b9f4bdc6095c2afca96e25eaae52c3d53914796588993294ed66bb7b36b84d282c5b4f89032347e0020599e72dc9a6541

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

3 776 rundll32.exe
6 776 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
3	776	rundll32.exe
6	776	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 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe
PID 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe
PID 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe
PID 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe
PID 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe
PID 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe
PID 320 wrote to memory of 776	320	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1ec18d4bba30a7685d24c47c27fcfb3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:320

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1ec18d4bba30a7685d24c47c27fcfb3.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:776

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/776-54-0x0000000000000000-mapping.dmp

Download
memory/776-55-0x00000000767F1000-0x00000000767F3000-memory.dmp

Filesize
8KB

Download
memory/776-56-0x0000000075090000-0x0000000075159000-memory.dmp

Filesize
804KB

Download
memory/776-57-0x0000000075090000-0x00000000750CD000-memory.dmp

Filesize
244KB

Download
memory/776-58-0x0000000075090000-0x0000000075159000-memory.dmp

Filesize
804KB

Download
memory/776-60-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download

Analysis

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