dridex | 491c9c7e6445fdbe86ff703a72127f88b123fcded65a19e28443b976b8d6de35

Analysis

max time kernel
134s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 05:51

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General

Target
491c9c7e6445fdbe86ff703a72127f88b123fcded65a19e28443b976b8d6de35.dll
Size 162KB
Sample210416-3dg8pphh6s
SHA256 491c9c7e6445fdbe86ff703a72127f88b123fcded65a19e28443b976b8d6de35
MD5 fa0b7ee21b654674d330dcea6e813926
SHA1 2b3dc83331070302785ea8ca5266e21d3fd5a720
SHA512 2dffc2815348493d239089ca4fb34e8baf6ba39ed62dc391deab842338ad82710e184dbfae085ea32744a73f52b713b2e8f75257b612d1812e5687123f457c21
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/1036-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 1036	644	rundll32.exe	70
PID 644 wrote to memory of 1036	644	rundll32.exe	70
PID 644 wrote to memory of 1036	644	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\491c9c7e6445fdbe86ff703a72127f88b123fcded65a19e28443b976b8d6de35.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\491c9c7e6445fdbe86ff703a72127f88b123fcded65a19e28443b976b8d6de35.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1036

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/1036-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/1036-117-0x00000000008F0000-0x00000000008F6000-memory.dmp