dridex | 0be93171ce8ad3f191f162b72b8ca669b06ca442c874df894023b3b918a9899e

General

Target

d1ea96f7778a90af5a09a1234a970a7c.dll
Size

750KB
MD5

d1ea96f7778a90af5a09a1234a970a7c
SHA1

fac82721de95a8570f2c72ca42698737e2bcd596
SHA256

0be93171ce8ad3f191f162b72b8ca669b06ca442c874df894023b3b918a9899e
SHA512

9a3b79943e66b3445039dbc596c12778ec5c933fab18dd3716ab21f52de5f2d47905838bc35386adea781af89f11ca29b2a54fc3280dece8906b63828c57e4fd

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 1568 rundll32.exe
6 1568 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	1568	rundll32.exe
6	1568	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 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 1568	940	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1ea96f7778a90af5a09a1234a970a7c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1ea96f7778a90af5a09a1234a970a7c.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1568

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/1568-54-0x0000000000000000-mapping.dmp

Download
memory/1568-55-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/1568-56-0x0000000074720000-0x00000000747E9000-memory.dmp

Filesize
804KB

Download
memory/1568-57-0x0000000074720000-0x000000007475D000-memory.dmp

Filesize
244KB

Download
memory/1568-58-0x0000000074720000-0x00000000747E9000-memory.dmp

Filesize
804KB

Download
memory/1568-60-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download

Analysis

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