dridex | bfa43e5ab9aafc3612f37e81fdfcb978e17d58ab02248e9600b53c71f9610511

Analysis

max time kernel
18s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 09:25

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General

Target
bfa43e5ab9aafc3612f37e81fdfcb978e17d58ab02248e9600b53c71f9610511.dll
Size 162KB
Sample210415-d7jthc925s
SHA256 bfa43e5ab9aafc3612f37e81fdfcb978e17d58ab02248e9600b53c71f9610511
MD5 f91ce2cfa42e45dfb227d1707b952cdc
SHA1 91bcd9327e713a0fac69a05e5eaa417094eb146b
SHA512 7fdb1476a9fff7e2b19a69bcc900739d4c20b309b601a61fcdb97566bb149e322a894f02c5301c56b704927d0620df4ee0f771c4bcbfe4fa3e8c4a6d787dda0c
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/3776-115-0x0000000073D70000-0x0000000073D9E000-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 3256 wrote to memory of 3776	3256	rundll32.exe	71
PID 3256 wrote to memory of 3776	3256	rundll32.exe	71
PID 3256 wrote to memory of 3776	3256	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfa43e5ab9aafc3612f37e81fdfcb978e17d58ab02248e9600b53c71f9610511.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfa43e5ab9aafc3612f37e81fdfcb978e17d58ab02248e9600b53c71f9610511.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3776

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/3776-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Download

memory/3776-117-0x0000000000A90000-0x0000000000A96000-memory.dmp