dridex | cbc3412f8553db6cb47c2c88ae8232c7ff940de23ae605af7d71bff4b01430b4

Analysis

max time kernel
35s
max time network
43s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:10

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General

Target

cbc3412f8553db6cb47c2c88ae8232c7ff940de23ae605af7d71bff4b01430b4.dll
Size

154KB
MD5

f52b550cdf42b9350a0e447d1203efed
SHA1

0938e88782df479da7aa16566b976e456ae43e20
SHA256

cbc3412f8553db6cb47c2c88ae8232c7ff940de23ae605af7d71bff4b01430b4
SHA512

4e28f7d4c4293f952c9c8ab880b8724d02b9a538e462ea2ceffcf1ad1be413c0f09e8e4db99b59b902580f49685fc2a4fa5fa27ddb170106f63abaaf810780ab

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/3944-115-0x0000000074090000-0x00000000740BD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3952 wrote to memory of 3944	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3944	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3944	3952	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbc3412f8553db6cb47c2c88ae8232c7ff940de23ae605af7d71bff4b01430b4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbc3412f8553db6cb47c2c88ae8232c7ff940de23ae605af7d71bff4b01430b4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3944

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/3944-114-0x0000000000000000-mapping.dmp

Download
memory/3944-115-0x0000000074090000-0x00000000740BD000-memory.dmp

Filesize
180KB

Download
memory/3944-117-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download