dridex | 55e12b013331a5efc05a0b272336fdd95945d9c67b005acc0760187dd827593d

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
19-06-2021 23:48

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General

Target

55e12b013331a5efc05a0b272336fdd95945d9c67b005acc0760187dd827593d.dll
Size

158KB
MD5

027c15d122166d365e916afe46b5c48d
SHA1

f58d56950d1fb67173c0fde036d17e0ade10ca94
SHA256

55e12b013331a5efc05a0b272336fdd95945d9c67b005acc0760187dd827593d
SHA512

fc57ca7b2d9e24aa1f9bca38d07b31e171456818e09ffee8aa14bc837b19ae81c789317697a3ef2392f35ea875ee9b32d1393d64eefa80e556eca95bec7bb1e9

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

Processes:

resource	yara_rule
behavioral1/memory/1892-115-0x0000000073660000-0x000000007368D000-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 4012 wrote to memory of 1892	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 1892	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 1892	4012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\55e12b013331a5efc05a0b272336fdd95945d9c67b005acc0760187dd827593d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\55e12b013331a5efc05a0b272336fdd95945d9c67b005acc0760187dd827593d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1892

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/1892-114-0x0000000000000000-mapping.dmp

Download
memory/1892-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/1892-117-0x0000000003330000-0x000000000347A000-memory.dmp

Filesize
1.3MB

Download