dridex | db0df1a76f73e3c486f8708562cd12953e90d2c37af8d8f8c426d8c67013f459

Analysis

max time kernel
116s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 00:11

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General

Target

bc26c84aeb61e6bce0784e2f1d040940N.dll
Size

184KB
MD5

bc26c84aeb61e6bce0784e2f1d040940
SHA1

b0f47ff07af8eeb5a11408fa58478b9df18d2b3a
SHA256

db0df1a76f73e3c486f8708562cd12953e90d2c37af8d8f8c426d8c67013f459
SHA512

b6608ac23fa02866b547d9f7ebd9ee324a931964f13680de087624abced6a69845c809b24355b3ca8be62185f10a74598f2035b2ff776915f73065e5df23a5bc
SSDEEP

3072:CiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoalzoxss7:CiLVCIT4WK2z1W+CUHZj4Skq/eaowoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/4004-1-0x0000000074990000-0x00000000749BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4148	4004	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4004	4964	rundll32.exe	84
PID 4964 wrote to memory of 4004	4964	rundll32.exe	84
PID 4964 wrote to memory of 4004	4964	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc26c84aeb61e6bce0784e2f1d040940N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc26c84aeb61e6bce0784e2f1d040940N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 616
    3⤵
    - Program crash
    PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4004 -ip 4004
1⤵
PID:2208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4004-0-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/4004-1-0x0000000074990000-0x00000000749BF000-memory.dmp

Filesize
188KB

Download
memory/4004-3-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download