dridex | 4604de5a6556c1129b366f788ac0e501acdb7f0eeffae2fe54367877e53902cd

Analysis

max time kernel
114s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 12:09

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General

Target
4604de5a6556c1129b366f788ac0e501acdb7f0eeffae2fe54367877e53902cd.dll
Size 162KB
Sample210418-e4t9wj1vfs
SHA256 4604de5a6556c1129b366f788ac0e501acdb7f0eeffae2fe54367877e53902cd
MD5 a6d8915d17c33f688d6351c63032fcfb
SHA1 231a873da744554b11c072fabbf9fbd7e4660961
SHA512 59815785c66bda18f83e0e34e0e7e1ddd71542301948e9a888a7cd573b67f4f3aa30a9f6cfb20873e37051832b40f8a91637305743bb4d308c8615c29a16e5bc
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
behavioral2/memory/3996-115-0x0000000073A70000-0x0000000073A9E000-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 3872 wrote to memory of 3996	3872	rundll32.exe	47
PID 3872 wrote to memory of 3996	3872	rundll32.exe	47
PID 3872 wrote to memory of 3996	3872	rundll32.exe	47

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4604de5a6556c1129b366f788ac0e501acdb7f0eeffae2fe54367877e53902cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4604de5a6556c1129b366f788ac0e501acdb7f0eeffae2fe54367877e53902cd.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3996

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/3996-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/3996-117-0x0000000000F00000-0x0000000000F06000-memory.dmp