dridex | baef99a7d12c1970d0cbeb26ae965ece04669fe4802469a16a0a5f809505f1dd

Analysis

max time kernel
30s
max time network
103s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:04

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General

Target
baef99a7d12c1970d0cbeb26ae965ece04669fe4802469a16a0a5f809505f1dd.dll
Size 188KB
Sample210224-wc8n2l3wp2
SHA256 baef99a7d12c1970d0cbeb26ae965ece04669fe4802469a16a0a5f809505f1dd
MD5 18e6513e93fc3f3de4d9cff0cfa79989
SHA1 b14b0b1d5533a7e11a8bbafc4e79afe1888dcd30
SHA512 65b03a4756ca3c054040cba42fdc728b878c9eeab4cd102fdda3ca9fe72e38c950e3b749dc7845763b87b5f476bd38925de4295874bdb3f6781b32bda15ae64f
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/908-3-0x0000000074450000-0x0000000074481000-memory.dmp	dridex_ldr
behavioral2/memory/908-5-0x0000000074450000-0x000000007446F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	908	rundll32.exe
17	908	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 652 wrote to memory of 908	652	rundll32.exe	40
PID 652 wrote to memory of 908	652	rundll32.exe	40
PID 652 wrote to memory of 908	652	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\baef99a7d12c1970d0cbeb26ae965ece04669fe4802469a16a0a5f809505f1dd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\baef99a7d12c1970d0cbeb26ae965ece04669fe4802469a16a0a5f809505f1dd.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:908

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/908-3-0x0000000074450000-0x0000000074481000-memory.dmp

Download

memory/908-4-0x0000000000A10000-0x0000000000A16000-memory.dmp

Download

memory/908-5-0x0000000074450000-0x000000007446F000-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