dridex | 3a28b4f47fbd3b039c9c7a5ff3bfeddf0caeac647d3bff5cf527aee077e87ca7

Analysis

max time kernel
22s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 18:42

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General

Target
3a28b4f47fbd3b039c9c7a5ff3bfeddf0caeac647d3bff5cf527aee077e87ca7.dll
Size 158KB
Sample210420-e3llyvrebn
SHA256 3a28b4f47fbd3b039c9c7a5ff3bfeddf0caeac647d3bff5cf527aee077e87ca7
MD5 416aeb0f2012be2610b28af1e4396249
SHA1 a06f218e6d22e9c2f09fd233b9d1552d5d63a6a9
SHA512 823ed76a77c774ac9088609aa8cf95fe84e23127d63a2ebb9ed9a15f8be27c59aec2fd1abcd3dda9a3804eda21acd1b24f25fb8e0e0085464d5c6da1c7758648
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/3936-115-0x0000000074090000-0x00000000740BD000-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 3540 wrote to memory of 3936	3540	rundll32.exe	29
PID 3540 wrote to memory of 3936	3540	rundll32.exe	29
PID 3540 wrote to memory of 3936	3540	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a28b4f47fbd3b039c9c7a5ff3bfeddf0caeac647d3bff5cf527aee077e87ca7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a28b4f47fbd3b039c9c7a5ff3bfeddf0caeac647d3bff5cf527aee077e87ca7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3936

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/3936-115-0x0000000074090000-0x00000000740BD000-memory.dmp

Download

memory/3936-117-0x0000000003670000-0x0000000003676000-memory.dmp