dridex | 019f19cd551b83dff500d507bb0575d85be4c5876fb6537c568edee7aebe2f1c

General

Target

0208c940e83ec7c023d62e22f30e05e3.dll
Size

750KB
MD5

0208c940e83ec7c023d62e22f30e05e3
SHA1

7a529a6f22665f603feb7b0f505cb0c0468fc2c4
SHA256

019f19cd551b83dff500d507bb0575d85be4c5876fb6537c568edee7aebe2f1c
SHA512

128ed1ef52a0109f10d1b368ea7dcb96dcd862d2460e972ee576e4566a0ce51dfb3ebbdff5cf5a076a18bfe6f0cfca4a43a33a47f516fd6cb561196b3003ac06

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 1580 rundll32.exe
6 1580 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	1580	rundll32.exe
6	1580	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 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0208c940e83ec7c023d62e22f30e05e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0208c940e83ec7c023d62e22f30e05e3.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1580

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/1580-55-0x0000000000000000-mapping.dmp

Download
memory/1580-56-0x0000000074F61000-0x0000000074F63000-memory.dmp

Filesize
8KB

Download
memory/1580-57-0x00000000746A0000-0x0000000074769000-memory.dmp

Filesize
804KB

Download
memory/1580-58-0x00000000746A0000-0x00000000746DD000-memory.dmp

Filesize
244KB

Download
memory/1580-59-0x00000000746A0000-0x0000000074769000-memory.dmp

Filesize
804KB

Download
memory/1580-61-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download

Analysis

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