dridex | fcf9b6f5a9d4d3462b85aaa4ee99ccef1840b53a7eed17d6434e0d536c92e475

Analysis

max time kernel
110s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 00:05

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General

Target
9b4d5967_by_Libranalysis.dll
Size 162KB
Sample210429-txcm25qwn2
SHA256 fcf9b6f5a9d4d3462b85aaa4ee99ccef1840b53a7eed17d6434e0d536c92e475
MD5 9b4d5967e360155590ef220cb9ce16c3
SHA1 9be30d6d376c43aef5f5666442f8b9ac2cb6ad43
SHA512 61c018e089786eb7812c78451af2ddb59a27091ba0c23fab7b822753387f22e1c1eefa2719f4800f6e2086cee0680f50d8300c32604f16cc0e37492a1ebde2ae
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/1252-115-0x0000000074430000-0x000000007445E000-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 764 wrote to memory of 1252	764	rundll32.exe	71
PID 764 wrote to memory of 1252	764	rundll32.exe	71
PID 764 wrote to memory of 1252	764	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b4d5967_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b4d5967_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1252

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/1252-115-0x0000000074430000-0x000000007445E000-memory.dmp

Download

memory/1252-117-0x0000000002D00000-0x0000000002D06000-memory.dmp