dridex | bda4686c79cf333265949f144c17d18e93e33fea2a3a1a83cebaff5d67588191

Analysis

max time kernel
58s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
23/05/2021, 14:03

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General

Target
b3c4fbeb_by_Libranalysis.dll
Size 162KB
Sample210523-dazv6ct372
SHA256 bda4686c79cf333265949f144c17d18e93e33fea2a3a1a83cebaff5d67588191
MD5 b3c4fbeb74898239287e4519538fae28
SHA1 fce7b145f76765b5d4918243427f264b888fa45f
SHA512 84c33d56ba513f5083c65383fc99042718651b43af5801ad4de2ef4490f7af013a86be7ef9fcd087aa939169477860041cadeac08cc1427d966e51bc54dca3b2
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/3544-115-0x0000000073A70000-0x0000000073A9E000-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 3972 wrote to memory of 3544	3972	rundll32.exe	69
PID 3972 wrote to memory of 3544	3972	rundll32.exe	69
PID 3972 wrote to memory of 3544	3972	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3c4fbeb_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3c4fbeb_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3544

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/3544-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/3544-117-0x00000000036F0000-0x00000000036F6000-memory.dmp