dridex | d94bbc62b2f345d98c2b69c6173a51e59e6e6d9581e5e6d51f46d35d8f3998c3

Analysis

max time kernel
4294183s
max time network
134s
platform
windows7_x64
resource
win7-20220311-en
submitted
26-03-2022 01:51

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General

Target

d94bbc62b2f345d98c2b69c6173a51e59e6e6d9581e5e6d51f46d35d8f3998c3.dll
Size

355KB
MD5

f45d3e9f068eed28b41490774a7857e7
SHA1

d071a9ff48a7172081c3f89d0d5ae4016a523cf9
SHA256

d94bbc62b2f345d98c2b69c6173a51e59e6e6d9581e5e6d51f46d35d8f3998c3
SHA512

3f005cada6a051500688164ff1f5c5b6043b5e402fbb969d7993f75b89ac26a55fa7bc0c9c60f0a077b9d7bade38b8d12e77529566acb3267cc69b64880d0f19

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

3 2016 rundll32.exe
6 2016 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	2016	rundll32.exe
6	2016	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 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 2016	1836	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d94bbc62b2f345d98c2b69c6173a51e59e6e6d9581e5e6d51f46d35d8f3998c3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d94bbc62b2f345d98c2b69c6173a51e59e6e6d9581e5e6d51f46d35d8f3998c3.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2016

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/2016-54-0x0000000000000000-mapping.dmp

Download
memory/2016-55-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/2016-56-0x00000000001E0000-0x000000000021D000-memory.dmp

Filesize
244KB

Download
memory/2016-57-0x00000000007B0000-0x00000000007ED000-memory.dmp

Filesize
244KB

Download