dridex | acefbe6236bd41f651ab8764318b5447b01b8f2b206a0bfa5be79f7eaa2ccf18

Analysis

max time kernel
29s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 20:03

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General

Target

acefbe6236bd41f651ab8764318b5447b01b8f2b206a0bfa5be79f7eaa2ccf18.dll
Size

157KB
MD5

50ebf3587770a3182745e9d3710cda61
SHA1

c5fd188e63eebd57984851698b0f586a29a146b8
SHA256

acefbe6236bd41f651ab8764318b5447b01b8f2b206a0bfa5be79f7eaa2ccf18
SHA512

64d5a29c885a8b59c2ce6749002ec77c8c2a29f91d6aee0afcd56b8c943ce03220c500a659a002c60c734f8ab5f0c9b120610e954f30d3a1db48e206f5cd30e2

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1920-61-0x0000000075470000-0x000000007549D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1920	308	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acefbe6236bd41f651ab8764318b5447b01b8f2b206a0bfa5be79f7eaa2ccf18.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\acefbe6236bd41f651ab8764318b5447b01b8f2b206a0bfa5be79f7eaa2ccf18.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1920

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/1920-59-0x0000000000000000-mapping.dmp

Download
memory/1920-60-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1920-61-0x0000000075470000-0x000000007549D000-memory.dmp

Filesize
180KB

Download
memory/1920-63-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download