dridex | 50970f32f71f8e7497cecbb3b051cf6c54606751baf6eaebdffa83d160333453

Analysis

max time kernel
139s
max time network
137s
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 22:41

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General

Target

50970f32f71f8e7497cecbb3b051cf6c54606751baf6eaebdffa83d160333453.dll
Size

184KB
MD5

9e634bae7420eb41e7022c53dab02eab
SHA1

a5e6376cabc1c82292067fd5603596a21bf0300c
SHA256

50970f32f71f8e7497cecbb3b051cf6c54606751baf6eaebdffa83d160333453
SHA512

2bc2af836bb131d7cb5fc73c648efe9701d82d755c2e913f6116d65d15565a7ddd840b04aa8bfae7c188cf0e6a17b10c646abb134b293cb552d822d0aee92721
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTlrLA:09NSMOEpQ1Q3ODAr+VF

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/3944-1-0x00000000751A0000-0x00000000751CF000-memory.dmp	dridex_ldr
behavioral2/memory/3944-2-0x00000000751A0000-0x00000000751CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2968	3944	WerFault.exe	86

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2728 wrote to memory of 3944	2728	rundll32.exe	86
PID 2728 wrote to memory of 3944	2728	rundll32.exe	86
PID 2728 wrote to memory of 3944	2728	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50970f32f71f8e7497cecbb3b051cf6c54606751baf6eaebdffa83d160333453.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50970f32f71f8e7497cecbb3b051cf6c54606751baf6eaebdffa83d160333453.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 624
    3⤵
    - Program crash
    PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3944 -ip 3944
1⤵
PID:3844

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/3944-0-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3944-1-0x00000000751A0000-0x00000000751CF000-memory.dmp

Filesize
188KB

Download
memory/3944-3-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3944-2-0x00000000751A0000-0x00000000751CF000-memory.dmp

Filesize
188KB

Download