dridex | c5cc5b410e072607ad0d604be07177e4fbc4f1e1b4beb0698feb5b2a18b4cdaf

Analysis

max time kernel
100s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 12:47

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General

Target

e1e5c5c4e47abcb79a36f675fc683830N.dll
Size

188KB
MD5

e1e5c5c4e47abcb79a36f675fc683830
SHA1

06b128f67de1770e90e409ad85cce9e846e03edc
SHA256

c5cc5b410e072607ad0d604be07177e4fbc4f1e1b4beb0698feb5b2a18b4cdaf
SHA512

3164ed28060515e70d6203a10be6dbf633580d415873ceceaac59a846d72cc54e9dcf70f66c845161159f9b86f4744fb19d0c75e55bb28316064b8ef4ec887a2
SSDEEP

3072:KA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAovo:KzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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

Processes:

resource	yara_rule
behavioral2/memory/4896-0-0x0000000075330000-0x0000000075360000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4000	4896	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

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 1448 wrote to memory of 4896	1448	rundll32.exe	84
PID 1448 wrote to memory of 4896	1448	rundll32.exe	84
PID 1448 wrote to memory of 4896	1448	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1e5c5c4e47abcb79a36f675fc683830N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1e5c5c4e47abcb79a36f675fc683830N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 688
    3⤵
    - Program crash
    PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4896 -ip 4896
1⤵
PID:4776

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

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Downloads

memory/4896-0-0x0000000075330000-0x0000000075360000-memory.dmp

Filesize
192KB

Download
memory/4896-2-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download