dridex | eb0565cdfae42e6ed0784cfcecd96b31750ff065d5ddd7bec4cb3f125b452efb

Analysis

max time kernel
35s
max time network
144s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:29

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General

Target
eb0565cdfae42e6ed0784cfcecd96b31750ff065d5ddd7bec4cb3f125b452efb.dll
Size 188KB
Sample210224-6ft614qtva
SHA256 eb0565cdfae42e6ed0784cfcecd96b31750ff065d5ddd7bec4cb3f125b452efb
MD5 51f79cf6dbec1852d94b9119a7f4839d
SHA1 b2463ddd5db781d0d5ad1b26f3867ce0c17e3281
SHA512 2a2c956f426fa1266e4caa5ab87de64b107f1c768b338bbf64eeaf782274570d735bcd9e79e4766f13fd9adeae9eb05325976baca166a08c1b1ff521c3c0c204
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/640-3-0x0000000073D80000-0x0000000073DB1000-memory.dmp	dridex_ldr
behavioral2/memory/640-5-0x0000000073D80000-0x0000000073D9F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
19	640	rundll32.exe
21	640	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 3996 wrote to memory of 640	3996	rundll32.exe	70
PID 3996 wrote to memory of 640	3996	rundll32.exe	70
PID 3996 wrote to memory of 640	3996	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb0565cdfae42e6ed0784cfcecd96b31750ff065d5ddd7bec4cb3f125b452efb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb0565cdfae42e6ed0784cfcecd96b31750ff065d5ddd7bec4cb3f125b452efb.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:640

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/640-3-0x0000000073D80000-0x0000000073DB1000-memory.dmp

Download

memory/640-4-0x0000000002990000-0x0000000002996000-memory.dmp

Download

memory/640-5-0x0000000073D80000-0x0000000073D9F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads