dridex | dc143960618042ae5583a8a6a5380794781561996cd5fb9535104c1567f40c56

Analysis

max time kernel
32s
max time network
12s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 20:02

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General

Target

dc143960618042ae5583a8a6a5380794781561996cd5fb9535104c1567f40c56.dll
Size

154KB
MD5

11104afa55a68aa818edb5542d2092b6
SHA1

fdaab7e8c4d9bf93c03068057f96bc61447a315a
SHA256

dc143960618042ae5583a8a6a5380794781561996cd5fb9535104c1567f40c56
SHA512

7b98614477b307857b7f1948214031c341a3f0dac5cddbed4fd90121939d4c72531f3256491b1c039d47facc6ec2358e5de4671f8c81ba8a46222b8c09886611

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1836-62-0x0000000074600000-0x000000007462D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1836	280	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc143960618042ae5583a8a6a5380794781561996cd5fb9535104c1567f40c56.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc143960618042ae5583a8a6a5380794781561996cd5fb9535104c1567f40c56.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1836

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/1836-60-0x0000000000000000-mapping.dmp

Download
memory/1836-61-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1836-62-0x0000000074600000-0x000000007462D000-memory.dmp

Filesize
180KB

Download
memory/1836-64-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download