dridex | 035043cf91ffbce4ef98ffeb7043473864e9c6871bdfeaf441b6ba64656d94a8

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 23:31

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General

Target
035043cf91ffbce4ef98ffeb7043473864e9c6871bdfeaf441b6ba64656d94a8.dll
Size 162KB
Sample210418-lrrb16rsys
SHA256 035043cf91ffbce4ef98ffeb7043473864e9c6871bdfeaf441b6ba64656d94a8
MD5 91ffffe18a6fcb10af572dca2bb8e716
SHA1 9230a715affb27b18793c7c59c9998017888190b
SHA512 f7f3e9e4be16942de5d1985763da48d297703bce13d8f12025ea3098d1728fba2e276cbe1eb43cb83ef9e4950bc91b4811b6c50d665fe8e356da58015d3273fc
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/2288-115-0x00000000741E0000-0x000000007420E000-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 1016 wrote to memory of 2288	1016	rundll32.exe	56
PID 1016 wrote to memory of 2288	1016	rundll32.exe	56
PID 1016 wrote to memory of 2288	1016	rundll32.exe	56

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\035043cf91ffbce4ef98ffeb7043473864e9c6871bdfeaf441b6ba64656d94a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\035043cf91ffbce4ef98ffeb7043473864e9c6871bdfeaf441b6ba64656d94a8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2288

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/2288-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Download

memory/2288-117-0x00000000034B0000-0x00000000034B6000-memory.dmp