dridex | f1a973cefb7010c531516cb38feba0db83e058f83e5d343d5ba4672375fd8926

Analysis

max time kernel
68s
max time network
73s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 04:01

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General

Target
d521d5f7_by_Libranalysis.dll
Size 162KB
Sample210508-6fk2dp64ae
SHA256 f1a973cefb7010c531516cb38feba0db83e058f83e5d343d5ba4672375fd8926
MD5 d521d5f7fabb2f90b4f42bdefccc6fd3
SHA1 1ab0b929a94124e88e082ad908f2734a7f4c4a6c
SHA512 e56d3827d7085a8f393ceb993cda792acb91a62ab8687e8a184929ae3a84d297c675082f24c7ef755fac44eb596d74d96ccc696d78159bf3aba216c29b0649a3
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/1324-115-0x00000000738F0000-0x000000007391E000-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 856 wrote to memory of 1324	856	rundll32.exe	71
PID 856 wrote to memory of 1324	856	rundll32.exe	71
PID 856 wrote to memory of 1324	856	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d521d5f7_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d521d5f7_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1324

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/1324-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1324-117-0x0000000000B70000-0x0000000000B76000-memory.dmp