dridex | 823fd64e2d0c9173f79fce64945075587073d1e347620b9ad551afc76bed5489

Analysis

max time kernel
18s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 14:58

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General

Target

823fd64e2d0c9173f79fce64945075587073d1e347620b9ad551afc76bed5489.dll
Size

162KB
MD5

4b97391386c7d514a6f44dabd8408c40
SHA1

d0f23235faec84a1fe1a250a24d1d286fc351947
SHA256

823fd64e2d0c9173f79fce64945075587073d1e347620b9ad551afc76bed5489
SHA512

2c14e9446d92d7b702d76f674fb137163538a16d63d51d932cd4e25bb6d46995162d696f2b71326766ea95c7df62cecc9bccfcbb049d3441bfa7853c38512e87

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/3196-115-0x0000000074380000-0x00000000743AE000-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 3724 wrote to memory of 3196	3724	rundll32.exe	rundll32.exe
PID 3724 wrote to memory of 3196	3724	rundll32.exe	rundll32.exe
PID 3724 wrote to memory of 3196	3724	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\823fd64e2d0c9173f79fce64945075587073d1e347620b9ad551afc76bed5489.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\823fd64e2d0c9173f79fce64945075587073d1e347620b9ad551afc76bed5489.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3196-114-0x0000000000000000-mapping.dmp

Download
memory/3196-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Filesize
184KB

Download
memory/3196-117-0x0000000003200000-0x000000000334A000-memory.dmp

Filesize
1.3MB

Download