dridex | 8a16d64247863a76e89ede891fd313506a24a4dfd61c776c33c4715c2b1b6914

Analysis

max time kernel
48s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 08:07

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General

Target
8a16d64247863a76e89ede891fd313506a24a4dfd61c776c33c4715c2b1b6914.dll
Size 162KB
Sample210421-3dvxggq8ls
SHA256 8a16d64247863a76e89ede891fd313506a24a4dfd61c776c33c4715c2b1b6914
MD5 f495996db0e51f9f6e6656e0a8d7a293
SHA1 7d77a80d346f5ab4209f6a69a7a43b1b79010e0b
SHA512 5eddcc5ed9a4fa66817aa9c659547a5a37d363d829f753bf7ab4789f5ed6b4199e31d6bd30dae0eb5d8808dd9e7121d114cf268789dc728a9ac401a6cb2c50f3
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/1880-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 1880	3904	rundll32.exe	69
PID 3904 wrote to memory of 1880	3904	rundll32.exe	69
PID 3904 wrote to memory of 1880	3904	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a16d64247863a76e89ede891fd313506a24a4dfd61c776c33c4715c2b1b6914.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a16d64247863a76e89ede891fd313506a24a4dfd61c776c33c4715c2b1b6914.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1880

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/1880-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/1880-117-0x00000000023E0000-0x00000000023E6000-memory.dmp