dridex | 31a41f4f6c70e8118417ed5b99183d43e514a1897b08d3f18a216b25171da84f

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 04:38

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General

Target

31a41f4f6c70e8118417ed5b99183d43e514a1897b08d3f18a216b25171da84f.dll
Size

158KB
MD5

40b9e924cb10889c8683e24b334b0354
SHA1

34069955a5da91a06541b185014daccc475c0d6b
SHA256

31a41f4f6c70e8118417ed5b99183d43e514a1897b08d3f18a216b25171da84f
SHA512

675254964989564259be601b0d391eed8edfb3db83b22d253315457855bc2c0be09bf5371909780ed6630d8f22bc4d04e4d25b415031f504f31d892762e6f4a1

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/3320-115-0x0000000073D70000-0x0000000073D9D000-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 3036 wrote to memory of 3320	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 3320	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 3320	3036	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\31a41f4f6c70e8118417ed5b99183d43e514a1897b08d3f18a216b25171da84f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\31a41f4f6c70e8118417ed5b99183d43e514a1897b08d3f18a216b25171da84f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3320

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/3320-114-0x0000000000000000-mapping.dmp

Download
memory/3320-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp

Filesize
180KB

Download
memory/3320-117-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download