dridex | 5055fa35dd27b52de32ab8a4ccb1b91542a70dca42e167bb842bde9fd00a0d46

Analysis

max time kernel
139s
max time network
143s
platform
windows10_x64
resource
win10v20210408
submitted
06/05/2021, 07:03

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General

Target
b9e3f05e_by_Libranalysis.dll
Size 162KB
Sample210506-922syb4aax
SHA256 5055fa35dd27b52de32ab8a4ccb1b91542a70dca42e167bb842bde9fd00a0d46
MD5 b9e3f05ef2b37a7fa7c43f3b3b6b8841
SHA1 fe6912948f14a23f11177e5b1d976ef8e77e2052
SHA512 219a348054829d7d5006e86bff4368c3c99b43c9d8953b777357e81ac41ddc7993aabbd4bfbe2f8f77302db53d33c8a687051e7b2a28f0a9698bc77ec8269ea4
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/492-115-0x0000000074350000-0x000000007437E000-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 736 wrote to memory of 492	736	rundll32.exe	69
PID 736 wrote to memory of 492	736	rundll32.exe	69
PID 736 wrote to memory of 492	736	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e3f05e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e3f05e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:492

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/492-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/492-117-0x0000000003380000-0x0000000003386000-memory.dmp