dridex | 8e742e790869e6fe2800fdbeca8b98c25e0e4a56b0d29d2d727cd0a5d61b037f

Analysis

max time kernel
122s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 16:18

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General

Target
573fd603_by_Libranalysis.dll
Size 162KB
Sample210507-e1gps34vh2
SHA256 8e742e790869e6fe2800fdbeca8b98c25e0e4a56b0d29d2d727cd0a5d61b037f
MD5 573fd60361ad36a69d92f24241751787
SHA1 c5c7df3f64a310ce5993342ea319ec9b4e0aa026
SHA512 02cb12ed1dae339fc13896b502ad6dbd723dd032fde662118b0837bcf691d01e5cbc23ee1701913989fd3e6c24e61292f48cc21a23449d705f5099867262ef89
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/3968-115-0x0000000073990000-0x00000000739BE000-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 2544 wrote to memory of 3968	2544	rundll32.exe	69
PID 2544 wrote to memory of 3968	2544	rundll32.exe	69
PID 2544 wrote to memory of 3968	2544	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\573fd603_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\573fd603_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3968

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/3968-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/3968-117-0x00000000007F0000-0x00000000007F6000-memory.dmp