dridex | a1c8a9a423dc8195055bcb55e92af1cb808169ec102e64e049ac8000e0f5ff19

Analysis

max time kernel
31s
max time network
32s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a1c8a9a423dc8195055bcb55e92af1cb808169ec102e64e049ac8000e0f5ff19.dll
Size

154KB
MD5

af22b99c30f694e4d20e082b8a1a3079
SHA1

3e0512e4a766b14d475a74ae254363a95948d8e7
SHA256

a1c8a9a423dc8195055bcb55e92af1cb808169ec102e64e049ac8000e0f5ff19
SHA512

68ec011e4576c57c0e727e238687441ca524f023b28d4dfc498d90193b1bc2a361cf80ed235ded94d8060b0db1d12db02702bdb9b507f4c3fa749c7f03eeeba2

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/1232-115-0x00000000744D0000-0x00000000744FD000-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 3232 wrote to memory of 1232	3232	rundll32.exe	rundll32.exe
PID 3232 wrote to memory of 1232	3232	rundll32.exe	rundll32.exe
PID 3232 wrote to memory of 1232	3232	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1c8a9a423dc8195055bcb55e92af1cb808169ec102e64e049ac8000e0f5ff19.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3232

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1c8a9a423dc8195055bcb55e92af1cb808169ec102e64e049ac8000e0f5ff19.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1232

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/1232-114-0x0000000000000000-mapping.dmp

Download
memory/1232-115-0x00000000744D0000-0x00000000744FD000-memory.dmp

Filesize
180KB

Download
memory/1232-117-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download