dridex | 8a89c034f9905896d2454f13541a3aa4c030e96626fc364c53ed24ef8d4af907

Analysis

max time kernel
122s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 22:35

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General

Target
8a89c034f9905896d2454f13541a3aa4c030e96626fc364c53ed24ef8d4af907.dll
Size 162KB
Sample210415-a52bzc4wex
SHA256 8a89c034f9905896d2454f13541a3aa4c030e96626fc364c53ed24ef8d4af907
MD5 d6e0721dd73b76a187706fded8bd56f5
SHA1 32a156128a3a0ed24e20830912a80c8bfe8e3429
SHA512 7f237a7bdfd6d273f22227079cdf6d307099108e7b0498cc207ba48abee648a2401f97d49f34867bab8507000bfab650968b7f906203df385b0837b018669dc8
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/3232-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 3232	3904	rundll32.exe	71
PID 3904 wrote to memory of 3232	3904	rundll32.exe	71
PID 3904 wrote to memory of 3232	3904	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a89c034f9905896d2454f13541a3aa4c030e96626fc364c53ed24ef8d4af907.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a89c034f9905896d2454f13541a3aa4c030e96626fc364c53ed24ef8d4af907.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3232

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/3232-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/3232-117-0x0000000002D50000-0x0000000002D56000-memory.dmp