dridex | cf4d235f5a071a98da44b0a1256f6bfd77fc06f240fbe7f8e3d49b5ef3de5fc8

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 22:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cf4d235f5a071a98da44b0a1256f6bfd77fc06f240fbe7f8e3d49b5ef3de5fc8.dll
Size

158KB
MD5

efdaf166b391d9ffd7559180ce480df4
SHA1

f1318c4817b4409ae5ec1c61e0cc48ce1e9d0389
SHA256

cf4d235f5a071a98da44b0a1256f6bfd77fc06f240fbe7f8e3d49b5ef3de5fc8
SHA512

28a7b66f187ee49ac2766f12c50d49deb263bca8466bd43cbbaa57fb961a2b2c09415a268783327d2a87b17a2b72d5aeca67e906b79a8da06859f10155956fe8

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/3480-115-0x0000000073660000-0x000000007368D000-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 2232 wrote to memory of 3480	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 3480	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 3480	2232	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf4d235f5a071a98da44b0a1256f6bfd77fc06f240fbe7f8e3d49b5ef3de5fc8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf4d235f5a071a98da44b0a1256f6bfd77fc06f240fbe7f8e3d49b5ef3de5fc8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3480

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3480-114-0x0000000000000000-mapping.dmp

Download
memory/3480-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/3480-117-0x0000000002D40000-0x0000000002DEE000-memory.dmp

Filesize
696KB

Download