dridex | 65dd891543f6d39a6ae808fdc050ea20456e827ec6732d12bc361ec02b53520e

Analysis

max time kernel
70s
max time network
75s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:17

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General

Target

65dd891543f6d39a6ae808fdc050ea20456e827ec6732d12bc361ec02b53520e.dll
Size

162KB
MD5

12cda06fde442490163fb3f99e1f5c47
SHA1

a69ac3dbc22601365b33ac58618823b30d3bbf09
SHA256

65dd891543f6d39a6ae808fdc050ea20456e827ec6732d12bc361ec02b53520e
SHA512

535cd1505b6b573cc2debb890b7286e23c81960176a7f99b74ece8ac3c0d8f1a059b6bc8f1c8b3f749aeb3f1c5b503305e73fa4a353e8f858afa906fd474de94

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
behavioral1/memory/2228-115-0x0000000074420000-0x000000007444E000-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 2388 wrote to memory of 2228	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2228	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2228	2388	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65dd891543f6d39a6ae808fdc050ea20456e827ec6732d12bc361ec02b53520e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65dd891543f6d39a6ae808fdc050ea20456e827ec6732d12bc361ec02b53520e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2228

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/2228-114-0x0000000000000000-mapping.dmp

Download
memory/2228-115-0x0000000074420000-0x000000007444E000-memory.dmp

Filesize
184KB

Download
memory/2228-117-0x0000000004680000-0x0000000004686000-memory.dmp

Filesize
24KB

Download