dridex | 062a87ae3e63e4b7b84fa064bed1b72336a44b2003a7ed301bd40e5da3865ceb

Analysis

max time kernel
120s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 14:06

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General

Target
42b9373b_by_Libranalysis.dll
Size 162KB
Sample210505-736e48slrn
SHA256 062a87ae3e63e4b7b84fa064bed1b72336a44b2003a7ed301bd40e5da3865ceb
MD5 42b9373b0eb72406ea70dac1c6369e76
SHA1 683f3766e0e7ec461b66886fe2ad7393c02cf830
SHA512 8c3acde0743286c5578336b661f8fd24173233264a6fb396781951eb9b8dcd0005b75d52d5c2333b4f0969353599cd6cb13b6cf586a88bb0a6823d11efc67a57
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/4072-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 4072	3680	rundll32.exe	71
PID 3680 wrote to memory of 4072	3680	rundll32.exe	71
PID 3680 wrote to memory of 4072	3680	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b9373b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b9373b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4072

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/4072-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/4072-117-0x00000000010F0000-0x00000000010F6000-memory.dmp