dridex | 2ea7ac33cf482987b0052b039cab2725475bfbdaa9bf3def338d580223e58e35

Analysis

max time kernel
91s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
06/05/2021, 21:02

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General

Target
a3d225bd_by_Libranalysis.dll
Size 158KB
Sample210506-4xtjdwtq1x
SHA256 2ea7ac33cf482987b0052b039cab2725475bfbdaa9bf3def338d580223e58e35
MD5 a3d225bd17b38a0db0a98070c7a913b6
SHA1 311b0841e8f042f5054ae0781a0817cab6122a54
SHA512 8db9b972cd426cd2f633088fac70687f9268d184d34116f29b797271216fb501733a3e1d286aa5d11a75999bfa6f382f560ad095ba9cb67032e88a0cc9082cc0
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/1292-115-0x0000000073ED0000-0x0000000073EFD000-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 804 wrote to memory of 1292	804	rundll32.exe	69
PID 804 wrote to memory of 1292	804	rundll32.exe	69
PID 804 wrote to memory of 1292	804	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3d225bd_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3d225bd_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1292

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/1292-115-0x0000000073ED0000-0x0000000073EFD000-memory.dmp

Download

memory/1292-117-0x0000000004DC0000-0x0000000004DC6000-memory.dmp