dridex | 300cc06a12761791a0d85ac1a430edfe385f7dffef481b5a131ea81f6417628f

Analysis

max time kernel
40s
max time network
57s
platform
windows10_x64
resource
win10v20210408
submitted
22/05/2021, 21:01

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General

Target
50b2f53f_by_Libranalysis.dll
Size 162KB
Sample210522-1pwtwfj72e
SHA256 300cc06a12761791a0d85ac1a430edfe385f7dffef481b5a131ea81f6417628f
MD5 50b2f53f296e67883247de9e913699ca
SHA1 565651c15a3550d1faf27166408f6af6b45c3331
SHA512 13c35431d1e147e7e623aa211bcde0c478b1b56fb7c53b6f93104621fe2f384b5ef371e965171cd34900a430d29703697ec15e39d8e695cef083df5079ebce0d
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/680-115-0x0000000073F10000-0x0000000073F3E000-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 488 wrote to memory of 680	488	rundll32.exe	68
PID 488 wrote to memory of 680	488	rundll32.exe	68
PID 488 wrote to memory of 680	488	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50b2f53f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50b2f53f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:680

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/680-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

Download

memory/680-117-0x0000000002B20000-0x0000000002B26000-memory.dmp