dridex | 736c0726f66b061721242356f10ea0e1a578efef7a317377212996d47c649257

Analysis

max time kernel
32s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:54

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General

Target

JaffaCakes118_736c0726f66b061721242356f10ea0e1a578efef7a317377212996d47c649257.dll
Size

188KB
MD5

f74c42a7288bdf47466524a8c1704627
SHA1

1c5c1260dfebc0c171eff9e384b886f0981eefad
SHA256

736c0726f66b061721242356f10ea0e1a578efef7a317377212996d47c649257
SHA512

dbdab96969f5e18dce8db273064daf200f310525d4b017c935685fa540e29d7b20aa8319f6532c4f73e202238d241591ea6f3a716b37540f3f2999e7cdaddfca
SSDEEP

3072:gA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao:gzIqATVfQeV2FZalKq6jtGJWuTmd

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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2376-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp	dridex_ldr
behavioral1/memory/2376-2-0x0000000074C80000-0x0000000074CB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	2376	WerFault.exe	29

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 11 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2916 wrote to memory of 2376	2916	rundll32.exe	29
PID 2376 wrote to memory of 2968	2376	rundll32.exe	30
PID 2376 wrote to memory of 2968	2376	rundll32.exe	30
PID 2376 wrote to memory of 2968	2376	rundll32.exe	30
PID 2376 wrote to memory of 2968	2376	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_736c0726f66b061721242356f10ea0e1a578efef7a317377212996d47c649257.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_736c0726f66b061721242356f10ea0e1a578efef7a317377212996d47c649257.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 308
    3⤵
    - Program crash
    PID:2968

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/2376-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2376-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp

Filesize
192KB

Download
memory/2376-2-0x0000000074C80000-0x0000000074CB0000-memory.dmp

Filesize
192KB

Download
memory/2376-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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