dridex | 82eb7d7e72abb0e3c76a225dee6fb26e54bb1116e4cb9f07a6e8e46eda7b4082

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 13:20

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General

Target
82eb7d7e72abb0e3c76a225dee6fb26e54bb1116e4cb9f07a6e8e46eda7b4082.dll
Size 162KB
Sample210419-jwtj8vm3ya
SHA256 82eb7d7e72abb0e3c76a225dee6fb26e54bb1116e4cb9f07a6e8e46eda7b4082
MD5 da32c527f4c0dd1040ae7386942643f4
SHA1 889451ecb6ffaac97c1561486c65133c4965a6e9
SHA512 a81df670522246cfc4323696e68ab89d7c74ea4cc17e66896a7f7ae2bd7536bf58b95518a4eb1f486d637e774ed0a7d266f913560410f8d21fab72e102979a78
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/3608-116-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3608	1736	rundll32.exe	36
PID 1736 wrote to memory of 3608	1736	rundll32.exe	36
PID 1736 wrote to memory of 3608	1736	rundll32.exe	36

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82eb7d7e72abb0e3c76a225dee6fb26e54bb1116e4cb9f07a6e8e46eda7b4082.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\82eb7d7e72abb0e3c76a225dee6fb26e54bb1116e4cb9f07a6e8e46eda7b4082.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3608

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/3608-116-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3608-115-0x0000000000530000-0x000000000067A000-memory.dmp