dridex | ff9d7b1caad8b9d3b93d369b8a86d7a5c6aceeb4306b1b554a967738bb4341ed

Analysis

max time kernel
148s
max time network
151s
platform
windows10_x64
resource
win10v20210410
submitted
09/05/2021, 15:08

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General

Target
4ac0f702_by_Libranalysis.dll
Size 162KB
Sample210509-vtjymq2wls
SHA256 ff9d7b1caad8b9d3b93d369b8a86d7a5c6aceeb4306b1b554a967738bb4341ed
MD5 4ac0f702827e50d946757a3093579aab
SHA1 6b2ebdf0deeccebf3f6c4e5f4c98fd975efb68a4
SHA512 9b9238674f53e467b8470f68618fcdee1b1a7b109de9f862286abc10a23b5845419005946922504229557668c439372ff60ea8745d17a0e7f7227d29e7cd8f6c
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/1248-115-0x0000000073A90000-0x0000000073ABE000-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 512 wrote to memory of 1248	512	rundll32.exe	69
PID 512 wrote to memory of 1248	512	rundll32.exe	69
PID 512 wrote to memory of 1248	512	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ac0f702_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ac0f702_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1248

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/1248-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

Download

memory/1248-117-0x0000000000CB0000-0x0000000000CB6000-memory.dmp