dridex | a3b223ff87224819659bce87f2c095b344b8a616deccd8cfe0a0c52639b3a6f4

Analysis

max time kernel
149s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 19:23

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General

Target
a3b223ff87224819659bce87f2c095b344b8a616deccd8cfe0a0c52639b3a6f4.dll
Size 162KB
Sample210419-d759sef252
SHA256 a3b223ff87224819659bce87f2c095b344b8a616deccd8cfe0a0c52639b3a6f4
MD5 aef80de60be645b7b955e4f3133ad7a4
SHA1 4814378dc0f27571bb191a4147fbcf26c00e3163
SHA512 ee4c3e8e90609d1750732bdcae1209a8bbc8a6f217fd3a48a6eced5d42913f3ba4ffd600ea0cdd485c6809b9a26e698c79165f42a45d9dca016382ead2a674be
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/2732-115-0x0000000073A70000-0x0000000073A9E000-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 2732	3972	rundll32.exe	50
PID 3972 wrote to memory of 2732	3972	rundll32.exe	50
PID 3972 wrote to memory of 2732	3972	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3b223ff87224819659bce87f2c095b344b8a616deccd8cfe0a0c52639b3a6f4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3b223ff87224819659bce87f2c095b344b8a616deccd8cfe0a0c52639b3a6f4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2732

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/2732-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/2732-117-0x0000000000500000-0x000000000064A000-memory.dmp