dridex | f161c566134d169ad75d7c71b58a3f376e45d7ef24f374c27105bfad69bf031f

Analysis

max time kernel
20s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
23/06/2021, 21:12

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General

Target
f161c566134d169ad75d7c71b58a3f376e45d7ef24f374c27105bfad69bf031f.dll
Size 162KB
Sample210623-7b5a9da4bx
SHA256 f161c566134d169ad75d7c71b58a3f376e45d7ef24f374c27105bfad69bf031f
MD5 f455b140aaa84524ad6e2e5ce33aa4f5
SHA1 f9ed593564f3614623f45d4d3c6c10dcf747d99e
SHA512 a311251be18fe7fc0d9d44d41358fff6580b4808805b79e6c6aa5d85d284874575016fcf94457375faf4f3c05031ef467de09dd89b97c830a82d89eebf20976f
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral1/memory/3332-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 3332	1696	rundll32.exe	69
PID 1696 wrote to memory of 3332	1696	rundll32.exe	69
PID 1696 wrote to memory of 3332	1696	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f161c566134d169ad75d7c71b58a3f376e45d7ef24f374c27105bfad69bf031f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f161c566134d169ad75d7c71b58a3f376e45d7ef24f374c27105bfad69bf031f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3332

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/3332-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/3332-117-0x00000000032F0000-0x00000000032F6000-memory.dmp