dridex | d33dae8197d6ec73fda95fcd0844e319d54d13d7a5bb4ba0481597ead8e24964

Analysis

max time kernel
61s
max time network
140s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:29

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General

Target
d33dae8197d6ec73fda95fcd0844e319d54d13d7a5bb4ba0481597ead8e24964.dll
Size 188KB
Sample210224-hss2rx5mc2
SHA256 d33dae8197d6ec73fda95fcd0844e319d54d13d7a5bb4ba0481597ead8e24964
MD5 415b5d15a8b3ecbd44b3d4b3985a3e36
SHA1 d0b9069d3b85cbd24a6871d51c73d186091099b4
SHA512 8db13064ac4a937fa231342cdaf028d5ba241fdc19705b8bcb384b319628bcfd7982233af578f10939785cd8b4bfadb2cbe37b2e832015dd9817c0a5c5f7de08
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/4700-3-0x0000000075A50000-0x0000000075A81000-memory.dmp	dridex_ldr
behavioral2/memory/4700-5-0x0000000075A50000-0x0000000075A6F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
22	4700	rundll32.exe
23	4700	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 4684 wrote to memory of 4700	4684	rundll32.exe	17
PID 4684 wrote to memory of 4700	4684	rundll32.exe	17
PID 4684 wrote to memory of 4700	4684	rundll32.exe	17

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d33dae8197d6ec73fda95fcd0844e319d54d13d7a5bb4ba0481597ead8e24964.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d33dae8197d6ec73fda95fcd0844e319d54d13d7a5bb4ba0481597ead8e24964.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4700

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/4700-3-0x0000000075A50000-0x0000000075A81000-memory.dmp

Download

memory/4700-4-0x0000000002C60000-0x0000000002C66000-memory.dmp

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memory/4700-5-0x0000000075A50000-0x0000000075A6F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads