dridex | 451f265255305c331d282dc670f7bc1c18730e852ac7d605385421fd83bf7e34

Analysis

max time kernel
121s
max time network
140s
platform
windows7_x64
resource
win7-en-20211208
submitted
07-03-2022 12:08

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General

Target

451f265255305c331d282dc670f7bc1c18730e852ac7d605385421fd83bf7e34.dll
Size

356KB
MD5

127de5b6f2a523f581a98df0f70cf606
SHA1

eb8c766d2975598a8743467390294cb54088c0d9
SHA256

451f265255305c331d282dc670f7bc1c18730e852ac7d605385421fd83bf7e34
SHA512

7fd1b600435fe3349e0a4359595a84d8eac527708cae452628598a84726a26b5bc6300e9deaa24f76e8fff8a5c1af042886b7a1b665fb6d8e8f728ed17eabab8

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

175.126.167.148:443

173.249.20.233:8043

162.241.204.233:4443

138.122.143.40:8043

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

4 1660 rundll32.exe
6 1660 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
4	1660	rundll32.exe
6	1660	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 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1660	1316	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\451f265255305c331d282dc670f7bc1c18730e852ac7d605385421fd83bf7e34.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\451f265255305c331d282dc670f7bc1c18730e852ac7d605385421fd83bf7e34.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1660-55-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1660-56-0x00000000001D0000-0x000000000020D000-memory.dmp

Filesize
244KB

Download
memory/1660-57-0x0000000000350000-0x000000000038D000-memory.dmp

Filesize
244KB

Download