dridex | 13f68a7bce85a8f2866de99893398a8f46bd0f0650b687e20489e8d01d1f9d4c

General

Target

89b7c487153fde5e805033c42513b1e4.dll
Size

750KB
MD5

89b7c487153fde5e805033c42513b1e4
SHA1

08e546126c76ecdf75bdc1d4b4021d27c6887c80
SHA256

13f68a7bce85a8f2866de99893398a8f46bd0f0650b687e20489e8d01d1f9d4c
SHA512

1ed20ac7827935626d13eeee6dc10ef758ffae7a86740143b1485405c769ea40d9dd116ddd53f0077faa163736d1bdd20d18e4c2f133e0f657cfb7eb62b6bfdb

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 1608 rundll32.exe
6 1608 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	1608	rundll32.exe
6	1608	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 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe
PID 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe
PID 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe
PID 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe
PID 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe
PID 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe
PID 1424 wrote to memory of 1608	1424	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89b7c487153fde5e805033c42513b1e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89b7c487153fde5e805033c42513b1e4.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1608

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/1608-55-0x0000000000000000-mapping.dmp

Download
memory/1608-56-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1608-57-0x0000000074A10000-0x0000000074AD9000-memory.dmp

Filesize
804KB

Download
memory/1608-58-0x0000000074A10000-0x0000000074A4D000-memory.dmp

Filesize
244KB

Download
memory/1608-59-0x0000000074A10000-0x0000000074AD9000-memory.dmp

Filesize
804KB

Download
memory/1608-61-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download

Analysis

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