dridex | 438c66fb365afa484518a37f4c1ad95b9d5d4990ae6e84d3a3609dcba035a415

Analysis

max time kernel
150s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 08:48

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General

Target

643490e54bf3f8046fdc3291706c731e.dll
Size

175KB
MD5

643490e54bf3f8046fdc3291706c731e
SHA1

f3fe8e21c5e9037030a956ffe694967336392f48
SHA256

438c66fb365afa484518a37f4c1ad95b9d5d4990ae6e84d3a3609dcba035a415
SHA512

f91af2889711a7afbe6edb957e053da67a1b090b420c90573d3928712cccf205da2e71d8b855daa4127a46fd956a450baa03f3cec0ab868e11e3f382557216bd

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/684-115-0x00000000736D0000-0x0000000073700000-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 3912 wrote to memory of 684	3912	rundll32.exe	rundll32.exe
PID 3912 wrote to memory of 684	3912	rundll32.exe	rundll32.exe
PID 3912 wrote to memory of 684	3912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\643490e54bf3f8046fdc3291706c731e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\643490e54bf3f8046fdc3291706c731e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:684

Network

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/684-114-0x0000000000000000-mapping.dmp

Download
memory/684-115-0x00000000736D0000-0x0000000073700000-memory.dmp

Filesize
192KB

Download
memory/684-117-0x0000000000970000-0x0000000000ABA000-memory.dmp

Filesize
1.3MB

Download