dridex | 9b35ab3322191fc4ecfce019f81a575dcbff2fe9ec46327793d913b5cfebf79b

Analysis

max time kernel
27s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 14:02

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General

Target
8c93d9ab_by_Libranalysis.dll
Size 162KB
Sample210503-clbkbx2flj
SHA256 9b35ab3322191fc4ecfce019f81a575dcbff2fe9ec46327793d913b5cfebf79b
MD5 8c93d9ab482ae2a4a2aa15462ac7aebf
SHA1 756a6a00db7e678ce0ea1dce8ac1cb655431191d
SHA512 c58e741bed0c845c04e7e0a0a6c3037900a8432457104a4b942b3b586d555671926a8294b3280790a252b5ba9ca87e03282ee5a238aadb4ba80292e4da0d7e7e
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/3040-115-0x0000000074380000-0x00000000743AE000-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 3856 wrote to memory of 3040	3856	rundll32.exe	23
PID 3856 wrote to memory of 3040	3856	rundll32.exe	23
PID 3856 wrote to memory of 3040	3856	rundll32.exe	23

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c93d9ab_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c93d9ab_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3040

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/3040-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3040-117-0x0000000003000000-0x0000000003006000-memory.dmp