dridex | 402a9b09e6858f1d5091cb709a842f73cb87fffdb64dffb97c820f0d1aae8d7c

Analysis

max time kernel
28s
max time network
71s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 00:02

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General

Target
6df4ece4_by_Libranalysis.dll
Size 162KB
Sample210503-dd8adhb3js
SHA256 402a9b09e6858f1d5091cb709a842f73cb87fffdb64dffb97c820f0d1aae8d7c
MD5 6df4ece42f35604dff029ce5adf217ab
SHA1 07f44149d432334faa928be52016734eb5ec1627
SHA512 d55339150bb832660b9f39f6d91ec6501fffb233244948c2c99e0f8ab0e649aa32eddbb128e62006b3f586dee465cd2561437838ab95db5e9e17ea500f662647
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/1256-115-0x00000000735F0000-0x000000007361E000-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 604 wrote to memory of 1256	604	rundll32.exe	70
PID 604 wrote to memory of 1256	604	rundll32.exe	70
PID 604 wrote to memory of 1256	604	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6df4ece4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6df4ece4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1256

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/1256-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/1256-117-0x0000000000340000-0x0000000000346000-memory.dmp