dridex | ee3f87bceffe75866ff265c0679d29b8d1bdad76ed1f9004935e1f1d73bf376e

Analysis

max time kernel
64s
max time network
118s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 01:04

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General

Target
c1dfcc85_by_Libranalysis.dll
Size 162KB
Sample210430-e44gx9db5n
SHA256 ee3f87bceffe75866ff265c0679d29b8d1bdad76ed1f9004935e1f1d73bf376e
MD5 c1dfcc85938224b7c72e826b74d98550
SHA1 5f843978fc533457cc4570c431799e727c28b061
SHA512 2160e025447d1fb18a85c7edbf8e44fd00c5fe84269138bbfe871145535e28fa626df2ea7a5f29b2936a5c67f98e3d8bc86e0dc331fd4815fb6f36966dfd5774
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/3988-115-0x0000000074260000-0x000000007428E000-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 1000 wrote to memory of 3988	1000	rundll32.exe	71
PID 1000 wrote to memory of 3988	1000	rundll32.exe	71
PID 1000 wrote to memory of 3988	1000	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1dfcc85_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1dfcc85_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3988

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/3988-115-0x0000000074260000-0x000000007428E000-memory.dmp

Download

memory/3988-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp