dridex | a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1

Analysis

max time kernel
18s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 11:43

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General

Target
a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll
Size 162KB
Sample210418-131zpt9zza
SHA256 a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1
MD5 8a6ed4b76b99246cc2450ec7df79cc86
SHA1 e8932b483ead63f0a4a0a48b752a047dc57f1c41
SHA512 7ef8313c925cbd03c253443c88de3ee06a9f7db05df1df0d36adec71ed16b0325ec4652aa1d4cc806614d86aac0dc36faca376ed5ddb6bf1d068ac90d234dec2
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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/3204-115-0x0000000074380000-0x00000000743AE000-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 3724 wrote to memory of 3204	3724	rundll32.exe	69
PID 3724 wrote to memory of 3204	3724	rundll32.exe	69
PID 3724 wrote to memory of 3204	3724	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3204

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/3204-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3204-117-0x0000000002F40000-0x000000000308A000-memory.dmp