dridex | 163f909cefee8e37d5e8c3d2fb92aac9d8377d784b078071253ec848d6333253

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 17:31

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General

Target

163f909cefee8e37d5e8c3d2fb92aac9d8377d784b078071253ec848d6333253.dll
Size

158KB
MD5

9b629a4035f480ab9583de720b4342a7
SHA1

8e4f8f48aab6ad5dd4ec65bb43b35502d80cf8a8
SHA256

163f909cefee8e37d5e8c3d2fb92aac9d8377d784b078071253ec848d6333253
SHA512

f3b66d993faa724780bf0bf045eb3daaf45ce399ab0ea84357f02e5a328ac8925b594af042354264018d0409072f1e2c4da8d11c86fc7bc49b181b1346c7914c

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

Processes:

resource	yara_rule
behavioral1/memory/2060-115-0x0000000074480000-0x00000000744AD000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4016 wrote to memory of 2060	4016	rundll32.exe	rundll32.exe
PID 4016 wrote to memory of 2060	4016	rundll32.exe	rundll32.exe
PID 4016 wrote to memory of 2060	4016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\163f909cefee8e37d5e8c3d2fb92aac9d8377d784b078071253ec848d6333253.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\163f909cefee8e37d5e8c3d2fb92aac9d8377d784b078071253ec848d6333253.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2060

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/2060-114-0x0000000000000000-mapping.dmp

Download
memory/2060-115-0x0000000074480000-0x00000000744AD000-memory.dmp

Filesize
180KB

Download
memory/2060-117-0x0000000000510000-0x000000000065A000-memory.dmp

Filesize
1.3MB

Download