dridex | a7c8658a49b4a24b9be71a8390248e8db31b18dd64f0470b7db3dadb52b5df43

General

Target

d090c4a8abceab7a4dfc500cfe51c6fa.dll
Size

750KB
MD5

d090c4a8abceab7a4dfc500cfe51c6fa
SHA1

536040275e7324f56c916db8edd170783444f972
SHA256

a7c8658a49b4a24b9be71a8390248e8db31b18dd64f0470b7db3dadb52b5df43
SHA512

7d96672e609f1e85592f63ca0e6206626052a4875f57a73c2986636499545a07470acd2c2cf410f4440673028333b75c230f80773d908144ac59f04148269efe

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 1508 rundll32.exe
6 1508 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	1508	rundll32.exe
6	1508	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 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1508	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d090c4a8abceab7a4dfc500cfe51c6fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d090c4a8abceab7a4dfc500cfe51c6fa.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1508

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/1508-54-0x0000000000000000-mapping.dmp

Download
memory/1508-55-0x0000000075FA1000-0x0000000075FA3000-memory.dmp

Filesize
8KB

Download
memory/1508-56-0x0000000074450000-0x0000000074519000-memory.dmp

Filesize
804KB

Download
memory/1508-57-0x0000000074450000-0x000000007448D000-memory.dmp

Filesize
244KB

Download
memory/1508-58-0x0000000074450000-0x0000000074519000-memory.dmp

Filesize
804KB

Download
memory/1508-60-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

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