dridex | b8d9bf03592e220455ec1344c8bb5d0b8ca6eddb8f7cf90390b77eb41f00bf45

Analysis

max time kernel
123s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
10/05/2021, 22:01

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General

Target
a4480447_by_Libranalysis.dll
Size 158KB
Sample210510-bfhtmlqhk2
SHA256 b8d9bf03592e220455ec1344c8bb5d0b8ca6eddb8f7cf90390b77eb41f00bf45
MD5 a4480447e77cc75265380f650984c345
SHA1 d74a28b3cbed652c910f3b5124a5ce9447512e39
SHA512 3d07bdae8f5f9ffffdf4efe7a3a396a45918626ea21570721cbfc889ca598f2e44a2ed64c33ef2dc06379a5db56a81b55f2007dc195abf498cd656056fbe45be
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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
behavioral2/memory/4064-115-0x0000000074480000-0x00000000744AD000-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 4024 wrote to memory of 4064	4024	rundll32.exe	42
PID 4024 wrote to memory of 4064	4024	rundll32.exe	42
PID 4024 wrote to memory of 4064	4024	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4480447_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4480447_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4064

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/4064-115-0x0000000074480000-0x00000000744AD000-memory.dmp

Download

memory/4064-117-0x0000000002F00000-0x0000000002F06000-memory.dmp