dridex | 2fee396029f604b1b186d93c06b5c13de31b9bd70824d2e671c1edc2471c8e71

Analysis

max time kernel
19s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 11:06

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General

Target
2fee396029f604b1b186d93c06b5c13de31b9bd70824d2e671c1edc2471c8e71.dll
Size 162KB
Sample210418-9ak6dnlql2
SHA256 2fee396029f604b1b186d93c06b5c13de31b9bd70824d2e671c1edc2471c8e71
MD5 520794aa4ba4750714f9275f16793ca4
SHA1 fe3cd22cdb39212c88ae58d5274e352fa2c6d552
SHA512 48a989cf32db9d8189ce64343736ee1d727c0d4700a7718d9633aa45aad159124504a356f52c5f312aa3863f8f4207409a3c5d70b65367ce24fd8948d2e4c45c
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/3216-115-0x00000000736B0000-0x00000000736DE000-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 2752 wrote to memory of 3216	2752	rundll32.exe	65
PID 2752 wrote to memory of 3216	2752	rundll32.exe	65
PID 2752 wrote to memory of 3216	2752	rundll32.exe	65

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fee396029f604b1b186d93c06b5c13de31b9bd70824d2e671c1edc2471c8e71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fee396029f604b1b186d93c06b5c13de31b9bd70824d2e671c1edc2471c8e71.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3216

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/3216-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/3216-117-0x0000000003170000-0x0000000003176000-memory.dmp