dridex | 99e86aa8a3f10aa842c3fb04589e43c194e7f0b4f3dd51f6ec6b1ae1e6cd5e6b

Analysis

max time kernel
119s
max time network
120s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 11:01

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General

Target
993e844c_by_Libranalysis.dll
Size 162KB
Sample210506-ce4l1136ta
SHA256 99e86aa8a3f10aa842c3fb04589e43c194e7f0b4f3dd51f6ec6b1ae1e6cd5e6b
MD5 993e844cda952cf94de1460af21135c1
SHA1 5545f0168c1e505ac659eda1bb0f5e5c14e23be3
SHA512 78cb6bc2d758cd4afe83cbe742fdd2ed941b8f55431ee44d2bf3fb9b640116b2ee523712077e383b16d0efb27108d5c2ea939c2fffb46cc6fc31a76c62059e9c
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/3172-115-0x0000000074420000-0x000000007444E000-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 2116 wrote to memory of 3172	2116	rundll32.exe	50
PID 2116 wrote to memory of 3172	2116	rundll32.exe	50
PID 2116 wrote to memory of 3172	2116	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\993e844c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\993e844c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3172

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/3172-115-0x0000000074420000-0x000000007444E000-memory.dmp

Download

memory/3172-117-0x0000000000300000-0x0000000000306000-memory.dmp