dridex | e2f4c832981c2c1b1f51ae33746612df5988ef00dc87f39b3e48b6876ca3cb25

Analysis

max time kernel
70s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
24/05/2021, 18:03

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General

Target
fd30f3e4_by_Libranalysis.dll
Size 162KB
Sample210524-ehlhtcrvan
SHA256 e2f4c832981c2c1b1f51ae33746612df5988ef00dc87f39b3e48b6876ca3cb25
MD5 fd30f3e432b5a8cb77fab607c1615a6c
SHA1 adf446bc58580c5c8e4ba4ec6ea23d06342e7644
SHA512 ab657048151d955a5c2740db1a22b6481c84e6b56192a533a7cfd47f8bab0ef35609478e60ccefb36405e4fbc719904358aba9ebe908c5f9c920fe9f2bf847e6
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/3904-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 3904	3936	rundll32.exe	68
PID 3936 wrote to memory of 3904	3936	rundll32.exe	68
PID 3936 wrote to memory of 3904	3936	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd30f3e4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd30f3e4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3904-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3904-117-0x0000000004CD0000-0x0000000004CD6000-memory.dmp