dridex | f45eab1a7a42e0628ff759507f4c5844af4054920208679f22b17b040c98d878

Analysis

max time kernel
73s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 03:01

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General

Target
0e0304ff_by_Libranalysis.dll
Size 162KB
Sample210503-3rek8a6x5x
SHA256 f45eab1a7a42e0628ff759507f4c5844af4054920208679f22b17b040c98d878
MD5 0e0304ff8c0def1204a7e129ba60c1c2
SHA1 745f1417e8b7d05aa3afde29f97bedf309082655
SHA512 5b041e4d8c2fa5a87c4d586218c53a35614705807647d02ff84cacd891cd24381a0e56882a91e426a89fa93cf0ac5a33528dcec74cd541f9867121d3e37bfb12
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/1440-115-0x0000000074310000-0x000000007433E000-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 800 wrote to memory of 1440	800	rundll32.exe	71
PID 800 wrote to memory of 1440	800	rundll32.exe	71
PID 800 wrote to memory of 1440	800	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e0304ff_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e0304ff_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1440

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/1440-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/1440-117-0x0000000000400000-0x000000000054A000-memory.dmp