dridex | 4d59fab53cd2450616a976927d9a5a8aeef4d18d2c8bdb1a6081197f1b0dae3d

Analysis

max time kernel
77s
max time network
107s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:18

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General

Target

4d59fab53cd2450616a976927d9a5a8aeef4d18d2c8bdb1a6081197f1b0dae3d.dll
Size

154KB
MD5

bf49f59a5c28af9f17c37d96819fec07
SHA1

f63a536f5dd3a63ca71bfc671bb99d304deb1d1d
SHA256

4d59fab53cd2450616a976927d9a5a8aeef4d18d2c8bdb1a6081197f1b0dae3d
SHA512

570921b2a81c882b6b6a504037cae8fd0f0d94e314286ea73f021d20a8828edfbf829de47f33c9f5cd4b47e82651ad43ef4270d4b684be7246a9d5b8ab723f6e

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
behavioral2/memory/296-115-0x0000000074450000-0x000000007447D000-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 648 wrote to memory of 296	648	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 296	648	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 296	648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d59fab53cd2450616a976927d9a5a8aeef4d18d2c8bdb1a6081197f1b0dae3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d59fab53cd2450616a976927d9a5a8aeef4d18d2c8bdb1a6081197f1b0dae3d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:296

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

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Downloads

memory/296-114-0x0000000000000000-mapping.dmp

Download
memory/296-115-0x0000000074450000-0x000000007447D000-memory.dmp

Filesize
180KB

Download
memory/296-117-0x0000000003380000-0x0000000003386000-memory.dmp

Filesize
24KB

Download