dridex | 9431703c8f6fe8124fe66c39c2cd728c8de01e6a321f0b02e7b001fc16e977ca

Analysis

max time kernel
22s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 10:02

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General

Target

9431703c8f6fe8124fe66c39c2cd728c8de01e6a321f0b02e7b001fc16e977ca.dll
Size

160KB
MD5

3fa1abe4019713f087708ff9f9867cfc
SHA1

d7bde32c37848244bf9fe57460caa0734ab8c71d
SHA256

9431703c8f6fe8124fe66c39c2cd728c8de01e6a321f0b02e7b001fc16e977ca
SHA512

393487da2336e1ad4768ad5a445e8839fa9aa0211bb645f32f8a72134d6ca5eec92c91c530bcc175932031437616b82d6d477d51f47a13a04ad8bf87e0a2cca6

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3000-115-0x0000000074300000-0x000000007432E000-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 3876 wrote to memory of 3000	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 3000	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 3000	3876	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9431703c8f6fe8124fe66c39c2cd728c8de01e6a321f0b02e7b001fc16e977ca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9431703c8f6fe8124fe66c39c2cd728c8de01e6a321f0b02e7b001fc16e977ca.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3000

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/3000-114-0x0000000000000000-mapping.dmp

Download
memory/3000-115-0x0000000074300000-0x000000007432E000-memory.dmp

Filesize
184KB

Download
memory/3000-117-0x0000000002B00000-0x0000000002C4A000-memory.dmp

Filesize
1.3MB

Download