dridex | db5474a7847fdf9e51e698a285b2f5137e59cd953132bb4636138583ebc5534c

Analysis

max time kernel
140s
max time network
141s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 07:05

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General

Target
49a34ce1_by_Libranalysis.dll
Size 162KB
Sample210430-necvvkt65a
SHA256 db5474a7847fdf9e51e698a285b2f5137e59cd953132bb4636138583ebc5534c
MD5 49a34ce1980dc5a379035a6924a7e592
SHA1 24624650d4f6ab5f824c54263ba3da5d2f642ddd
SHA512 57ba4a516dbf79ad69de2ddcccdbfb0dc038a82af5fc4251f8a6c89b2d9b8de7df8cf6060f8c57e6783658d0f84b4305e4c5b958e24bdb0acfec005e9faecde4
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/4064-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 4064	4024	rundll32.exe	68
PID 4024 wrote to memory of 4064	4024	rundll32.exe	68
PID 4024 wrote to memory of 4064	4024	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49a34ce1_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\49a34ce1_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4064

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/4064-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Download

memory/4064-117-0x0000000002EC0000-0x000000000300A000-memory.dmp