dridex | a326c55f93f0f594dda840a55d26c0802e2f66b0dee37ee29373e42b8975ccde

Analysis

max time kernel
84s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 13:39

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General

Target
a326c55f93f0f594dda840a55d26c0802e2f66b0dee37ee29373e42b8975ccde.dll
Size 162KB
Sample210419-d7fehh8kn2
SHA256 a326c55f93f0f594dda840a55d26c0802e2f66b0dee37ee29373e42b8975ccde
MD5 8d8bfeda9bae7ef63609a7a6ac673374
SHA1 f9d9af1b86b43b1a9170c291af47a79ecdf9bbfc
SHA512 6b31fdb70edd3e8994ca1702593cb391854556a93a965ccd16141ef301d0b1c230dd08886d2344464405db780aeeffe2859c2346d8740ae65e26fcafc67fd386
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/3720-115-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3720	1736	rundll32.exe	47
PID 1736 wrote to memory of 3720	1736	rundll32.exe	47
PID 1736 wrote to memory of 3720	1736	rundll32.exe	47

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a326c55f93f0f594dda840a55d26c0802e2f66b0dee37ee29373e42b8975ccde.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a326c55f93f0f594dda840a55d26c0802e2f66b0dee37ee29373e42b8975ccde.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3720

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/3720-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3720-117-0x00000000023E0000-0x00000000023E6000-memory.dmp