dridex | d8304b185ee7e9256dbf4cb815a8281a48472417572c8c3fb7875be94172d08d

Analysis

max time kernel
26s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 19:27

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General

Target

d8304b185ee7e9256dbf4cb815a8281a48472417572c8c3fb7875be94172d08d.dll
Size

158KB
MD5

cd42e73c710de37243a3489d3f54c63b
SHA1

4b3f41517a0190ae8a814f4cc36c837b209a867d
SHA256

d8304b185ee7e9256dbf4cb815a8281a48472417572c8c3fb7875be94172d08d
SHA512

fcb46722c9c46c4d93d0d5948bf856bdd6702e4590c4b3dba2477fcd01b6d8bb65362d3f8ca54c7ac9cc03b38be9935a8cb795a54df7f57698ba25519eaa58a1

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/868-115-0x0000000074450000-0x000000007447D000-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 640 wrote to memory of 868	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 868	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 868	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8304b185ee7e9256dbf4cb815a8281a48472417572c8c3fb7875be94172d08d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8304b185ee7e9256dbf4cb815a8281a48472417572c8c3fb7875be94172d08d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:868

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/868-114-0x0000000000000000-mapping.dmp

Download
memory/868-115-0x0000000074450000-0x000000007447D000-memory.dmp

Filesize
180KB

Download
memory/868-117-0x00000000031D0000-0x000000000331A000-memory.dmp

Filesize
1.3MB

Download