dridex | 27d59d0e50228039b4452617f5cb37468d1054700fc208b73842c9a750169438

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
15/06/2021, 11:13

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General

Target
27d59d0e50228039b4452617f5cb37468d1054700fc208b73842c9a750169438.dll
Size 162KB
Sample210615-rfjcs4c88s
SHA256 27d59d0e50228039b4452617f5cb37468d1054700fc208b73842c9a750169438
MD5 8cdeca51c5572f5b0a2908e82f6928ac
SHA1 7da36d9f090d9b854adf3b56b19df7e36159bd37
SHA512 140be5e377901dbd5c4d9b2cc80c618a336711dd43f106fa6dd3baba5c6a78350bd58dfe70f06233aa2b5c52437f37b7b51e809c4ed22510deb3008a0526f8da
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3024-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp	dridex_ldr

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 3016 wrote to memory of 3024	3016	rundll32.exe	72
PID 3016 wrote to memory of 3024	3016	rundll32.exe	72
PID 3016 wrote to memory of 3024	3016	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\27d59d0e50228039b4452617f5cb37468d1054700fc208b73842c9a750169438.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\27d59d0e50228039b4452617f5cb37468d1054700fc208b73842c9a750169438.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3024-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Download

memory/3024-117-0x00000000009A0000-0x00000000009A6000-memory.dmp