dridex | a287d7ed59560f6bc9810f63fbcb1dac9c85994306805e0197ec24ab695f14c7

Analysis

max time kernel
150s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
28-07-2021 01:03

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General

Target

qScrollBar.dll
Size

175KB
MD5

203b35bfa85400c0449981b9e183a51f
SHA1

ea36eb950fc0cfbca431b239310b9c72a9b6e198
SHA256

a287d7ed59560f6bc9810f63fbcb1dac9c85994306805e0197ec24ab695f14c7
SHA512

58cb0615813ba8bb2df3dce85b07dadc5502ab2e5875bb827836f71b0dbe543e1f6e541757f490b5554408e444c0b2b79797c991d595fa448bcc2c7b32987c3e

Score

10^/10

dridex 22201 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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/852-115-0x0000000073DE0000-0x0000000073E10000-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 2896 wrote to memory of 852	2896	rundll32.exe	rundll32.exe
PID 2896 wrote to memory of 852	2896	rundll32.exe	rundll32.exe
PID 2896 wrote to memory of 852	2896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qScrollBar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2896

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qScrollBar.dll,#1
2⤵
- Checks whether UAC is enabled
PID:852

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/852-114-0x0000000000000000-mapping.dmp

Download
memory/852-115-0x0000000073DE0000-0x0000000073E10000-memory.dmp

Filesize
192KB

Download
memory/852-117-0x00000000032D0000-0x000000000341A000-memory.dmp

Filesize
1.3MB

Download