dridex | 502ab9018af9de11ff463fb82ea29fe39ae0121b061ad1ac4dc0563f093dfc53

Analysis

max time kernel
102s
max time network
105s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:09

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General

Target

502ab9018af9de11ff463fb82ea29fe39ae0121b061ad1ac4dc0563f093dfc53.dll
Size

157KB
MD5

6d6852b2afe049db144bafc7721efba5
SHA1

45bca583f1294dc369b9a39a6539fb17c4acb25a
SHA256

502ab9018af9de11ff463fb82ea29fe39ae0121b061ad1ac4dc0563f093dfc53
SHA512

f3eb30c0749efe39fe3c2ff46005647d5ca4b30b0c17199448ab97d738fa5ab41e7f14d1bfdd117ee0204c99164eb0a83184854dd49bf4a67181b3331011d2fa

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/4056-115-0x0000000074480000-0x00000000744AD000-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 4024 wrote to memory of 4056	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4056	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4056	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\502ab9018af9de11ff463fb82ea29fe39ae0121b061ad1ac4dc0563f093dfc53.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\502ab9018af9de11ff463fb82ea29fe39ae0121b061ad1ac4dc0563f093dfc53.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4056

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/4056-114-0x0000000000000000-mapping.dmp

Download
memory/4056-115-0x0000000074480000-0x00000000744AD000-memory.dmp

Filesize
180KB

Download
memory/4056-117-0x0000000002EC0000-0x000000000300A000-memory.dmp

Filesize
1.3MB

Download