dridex | 1137acaa89fa53f416f7d64be4d1cb56e35ba0ef8b49ddaccc29137d07017dea

Analysis

max time kernel
124s
max time network
134s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 14:48

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General

Target
1137acaa89fa53f416f7d64be4d1cb56e35ba0ef8b49ddaccc29137d07017dea.dll
Size 162KB
Sample210421-x79wccn8fe
SHA256 1137acaa89fa53f416f7d64be4d1cb56e35ba0ef8b49ddaccc29137d07017dea
MD5 63e213547cbffcc595195edc6a210778
SHA1 a0954956e7aead8156327837368cd95de5166d55
SHA512 9074c26ef032a4b46eff700186eea8006b094eadd427ce6a6df6f4f19ccc114ad9febb13796134068e0129bc042c67d0924c2a8d7009f66cabc037ba69706cfa
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/4076-115-0x00000000755E0000-0x000000007560E000-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 3944 wrote to memory of 4076	3944	rundll32.exe	58
PID 3944 wrote to memory of 4076	3944	rundll32.exe	58
PID 3944 wrote to memory of 4076	3944	rundll32.exe	58

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1137acaa89fa53f416f7d64be4d1cb56e35ba0ef8b49ddaccc29137d07017dea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1137acaa89fa53f416f7d64be4d1cb56e35ba0ef8b49ddaccc29137d07017dea.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4076

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/4076-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/4076-117-0x0000000000970000-0x0000000000976000-memory.dmp