dridex | ca1a61256027ccd4cc459acfc2e0a185d12636523c2d03324b2be00a83864b8b

Analysis

max time kernel
139s
max time network
142s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 14:54

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General

Target
f781d25a_by_Libranalysis.dll
Size 162KB
Sample210429-df5be5ljpj
SHA256 ca1a61256027ccd4cc459acfc2e0a185d12636523c2d03324b2be00a83864b8b
MD5 f781d25a22415a1c7ae5873a205313b4
SHA1 f110257bf58c9e4598a205dbadd7ac7108007cf3
SHA512 d79d07cdd6f680ca8eda35ed71c0638c1ddc226933bc21b691cf673a78deb5791e7ce309011f9cf2be877865afcd2127b19a5b1a2cff590222444acf4ef46b93
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/1124-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 1124	644	rundll32.exe	70
PID 644 wrote to memory of 1124	644	rundll32.exe	70
PID 644 wrote to memory of 1124	644	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f781d25a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f781d25a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1124

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/1124-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/1124-117-0x0000000000600000-0x000000000074A000-memory.dmp