dridex | 1bd2004b0ea5eb0a368728c0bbbd521cdfcffdd0d530c5de649e36354f6c6e04

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 14:41

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General

Target

1bd2004b0ea5eb0a368728c0bbbd521cdfcffdd0d530c5de649e36354f6c6e04.dll
Size

160KB
MD5

6dc133dc95577e6f8feb2f6f56161e1d
SHA1

46ccf3b8d55785cfbfa21d83a72e73c37ab5afc8
SHA256

1bd2004b0ea5eb0a368728c0bbbd521cdfcffdd0d530c5de649e36354f6c6e04
SHA512

31c298eaa8f59105cea1123dc8840499a6ab9d89c34d39bd21bb6aa0bed42b4fd3fefe43bfe6e2bcd56eb3f4fa686c43707416754e8147b0cd7283f83667aec8

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/1508-115-0x0000000074440000-0x000000007446E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 656 wrote to memory of 1508	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1508	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1508	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bd2004b0ea5eb0a368728c0bbbd521cdfcffdd0d530c5de649e36354f6c6e04.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bd2004b0ea5eb0a368728c0bbbd521cdfcffdd0d530c5de649e36354f6c6e04.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1508

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/1508-114-0x0000000000000000-mapping.dmp

Download
memory/1508-115-0x0000000074440000-0x000000007446E000-memory.dmp

Filesize
184KB

Download
memory/1508-117-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download