dridex | 5686fdcaee8faf936d25da1d397828c962a763f156e7138584542317a8f199c7

Analysis

max time kernel
96s
max time network
141s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:36

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General

Target
5686fdcaee8faf936d25da1d397828c962a763f156e7138584542317a8f199c7.dll
Size 188KB
Sample210224-pkeget4m92
SHA256 5686fdcaee8faf936d25da1d397828c962a763f156e7138584542317a8f199c7
MD5 5a67f914e01a3fb43d85153d3c7e8c07
SHA1 31dde075f9f7c66fa83686b86c8d9637a546a795
SHA512 28ca7ac93b2fec732a407aef787782fbb3793cd54f171634a1e3a36fc4ce323ecd6ef83b51e37af56deec94bd9668986b09de241bdd818bc3f3993675382aaa7
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/800-3-0x0000000074390000-0x00000000743C1000-memory.dmp	dridex_ldr
behavioral2/memory/800-5-0x0000000074390000-0x00000000743AF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	800	rundll32.exe
18	800	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 520 wrote to memory of 800	520	rundll32.exe	68
PID 520 wrote to memory of 800	520	rundll32.exe	68
PID 520 wrote to memory of 800	520	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5686fdcaee8faf936d25da1d397828c962a763f156e7138584542317a8f199c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5686fdcaee8faf936d25da1d397828c962a763f156e7138584542317a8f199c7.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:800

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/800-3-0x0000000074390000-0x00000000743C1000-memory.dmp

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memory/800-4-0x0000000004C90000-0x0000000004C96000-memory.dmp

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memory/800-5-0x0000000074390000-0x00000000743AF000-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