dridex | 4e35bef3aedfa9663fff3f45fc765337e314491bd55f2fd31ae24568c474859c

Analysis

max time kernel
81s
max time network
87s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 05:02

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General

Target
e60c9a52_by_Libranalysis.dll
Size 162KB
Sample210507-grxrtmlx5e
SHA256 4e35bef3aedfa9663fff3f45fc765337e314491bd55f2fd31ae24568c474859c
MD5 e60c9a5276b5a8252693bd0201642ddd
SHA1 fc8bc11681e6cb5971b0748bac1c01c90f0a5a59
SHA512 fd1d8f6c19127bea4cc22c245a4cbebbc7f479da73560d33169c8f06e6be0b10bfa68adfe58eaad96dda59eae9379bb38cdc7ee6e2f6b8022b4db4b83123ae26
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/1416-115-0x00000000738F0000-0x000000007391E000-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 856 wrote to memory of 1416	856	rundll32.exe	69
PID 856 wrote to memory of 1416	856	rundll32.exe	69
PID 856 wrote to memory of 1416	856	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e60c9a52_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e60c9a52_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1416

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/1416-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1416-117-0x0000000003510000-0x0000000003516000-memory.dmp