dridex | b63521f2778f69079fa265bac21772bbc04d82c6ca01bf4ffe8aafca400bc9fa

Analysis

max time kernel
115s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:05

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General

Target

b63521f2778f69079fa265bac21772bbc04d82c6ca01bf4ffe8aafca400bc9fa.dll
Size

157KB
MD5

323cdf199dd9880be2e5c7af4976fc04
SHA1

c020c897a2a6baa68ef56150f381194d311f8ba1
SHA256

b63521f2778f69079fa265bac21772bbc04d82c6ca01bf4ffe8aafca400bc9fa
SHA512

961462cc31524aa5a43e9bc9a36119ca4718c404186458ce6080d6b1a85cdeaa2c03291a867407649958536c189d7bfd86b976eb2b0c81c90a1d0e921edd1848

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3720-115-0x00000000739D0000-0x00000000739FD000-memory.dmp	dridex_ldr

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

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 1736 wrote to memory of 3720	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3720	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3720	1736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b63521f2778f69079fa265bac21772bbc04d82c6ca01bf4ffe8aafca400bc9fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b63521f2778f69079fa265bac21772bbc04d82c6ca01bf4ffe8aafca400bc9fa.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3720

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3720-114-0x0000000000000000-mapping.dmp

Download
memory/3720-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/3720-117-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download