dridex | ebcb9f52e8c756f8153a34d07778b5be01746850da6b6f08b51c7582158261cb

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
19-04-2021 18:03

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General

Target

ebcb9f52e8c756f8153a34d07778b5be01746850da6b6f08b51c7582158261cb.dll
Size

923KB
MD5

8812651554b211184168917913fb1478
SHA1

4ce04b56da3ddc036facfd654368776cae5f6adf
SHA256

ebcb9f52e8c756f8153a34d07778b5be01746850da6b6f08b51c7582158261cb
SHA512

29c2ee18e9be213546642da11cc95ca39866dd986e525ea81d948466962695cf41dcaf94b5094b59f2f6d4386ff415bed1e801a991a19334dbdec0c914b92422

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4472-115-0x00000000741C0000-0x00000000741FD000-memory.dmp	dridex_ldr
behavioral2/memory/4472-116-0x00000000741C0000-0x00000000742C0000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

16 4472 rundll32.exe
18 4472 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
16	4472	rundll32.exe
18	4472	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4436 wrote to memory of 4472	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4472	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4472	4436	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebcb9f52e8c756f8153a34d07778b5be01746850da6b6f08b51c7582158261cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebcb9f52e8c756f8153a34d07778b5be01746850da6b6f08b51c7582158261cb.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4472

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/4472-114-0x0000000000000000-mapping.dmp

Download
memory/4472-115-0x00000000741C0000-0x00000000741FD000-memory.dmp

Filesize
244KB

Download
memory/4472-116-0x00000000741C0000-0x00000000742C0000-memory.dmp

Filesize
1024KB

Download
memory/4472-179-0x00000000029A0000-0x00000000029A1000-memory.dmp

Filesize
4KB

Download