dridex | ad26da022fd039ddd90aa6fa2c509287ec0e3b94cd13febe8b371c3f70312091

Analysis

max time kernel
36s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:07

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General

Target
ad26da022fd039ddd90aa6fa2c509287ec0e3b94cd13febe8b371c3f70312091.dll
Size 188KB
Sample210224-9lgmjc4e5a
SHA256 ad26da022fd039ddd90aa6fa2c509287ec0e3b94cd13febe8b371c3f70312091
MD5 590ea88d9436676483f80ee3d78ba21f
SHA1 d59b5818be976564fbeea946fe09e34376500ff2
SHA512 c00fc080f40f3cbc541c5734406855ea278670d3a89c0b7b2ee6c5aa89d899f1c2f77ce3eddfcd50ba48660ae75414f7a8850565323b686a7d618b4c3017cbf8
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/880-3-0x00000000739C0000-0x00000000739F1000-memory.dmp	dridex_ldr
behavioral2/memory/880-5-0x00000000739C0000-0x00000000739DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
25	880	rundll32.exe
27	880	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 580 wrote to memory of 880	580	rundll32.exe	70
PID 580 wrote to memory of 880	580	rundll32.exe	70
PID 580 wrote to memory of 880	580	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad26da022fd039ddd90aa6fa2c509287ec0e3b94cd13febe8b371c3f70312091.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad26da022fd039ddd90aa6fa2c509287ec0e3b94cd13febe8b371c3f70312091.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/880-3-0x00000000739C0000-0x00000000739F1000-memory.dmp

Download

memory/880-4-0x00000000028F0000-0x00000000028F6000-memory.dmp

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memory/880-5-0x00000000739C0000-0x00000000739DF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads