dridex | 2b097635ac8736170b93027830a214cf615235e13d73bea235dcd6b2ef0aa2be

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
17/05/2021, 01:02

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General

Target
98b45d06_by_Libranalysis.dll
Size 162KB
Sample210517-ncafx9c29j
SHA256 2b097635ac8736170b93027830a214cf615235e13d73bea235dcd6b2ef0aa2be
MD5 98b45d065b37f453ba1faa4e7b431137
SHA1 78caf095b813e1b79fddf5e2afeb040d23f6f7c0
SHA512 a92b3d0748a0d095b145033924ad44515e8faddca4c66ae44123eb4b3113d33b5248436ecbf484dec44a55f9031f15fdc4aa56d36e18f24f07d0aba8a8d35d87
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/4064-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 4064	4024	rundll32.exe	68
PID 4024 wrote to memory of 4064	4024	rundll32.exe	68
PID 4024 wrote to memory of 4064	4024	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98b45d06_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98b45d06_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4064

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/4064-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Download

memory/4064-117-0x0000000000E90000-0x0000000000E96000-memory.dmp