dridex | a3cac7f8a72504b56788f1df5a2311731044d7ca6ea65c38f53bd970b44f0924

Analysis

max time kernel
30s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
28/04/2021, 01:01

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General

Target
719ab491_by_Libranalysis.dll
Size 162KB
Sample210428-ppnb8f9mws
SHA256 a3cac7f8a72504b56788f1df5a2311731044d7ca6ea65c38f53bd970b44f0924
MD5 719ab4918b5dee3e8617281cd148c064
SHA1 664106f4decd26baf788c2d7c06f6e35b5a84cc6
SHA512 e47d4fa0c051798bc6da6f826f54a7e9cd502416ed715358bf4febe3eae574a3f7428a240492580324457e514eece7a201c473dde1d842377c9d4fccb4bf3f68
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/1408-115-0x00000000735F0000-0x000000007361E000-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 656 wrote to memory of 1408	656	rundll32.exe	70
PID 656 wrote to memory of 1408	656	rundll32.exe	70
PID 656 wrote to memory of 1408	656	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\719ab491_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\719ab491_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1408

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/1408-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/1408-117-0x00000000008E0000-0x00000000008E6000-memory.dmp