dridex | 1a7bc8c25429cda3be2b8b684b44e070f6cd1cb439be4e2a7d393bfd3117a659

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:35

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General

Target

JaffaCakes118_1a7bc8c25429cda3be2b8b684b44e070f6cd1cb439be4e2a7d393bfd3117a659.dll
Size

171KB
MD5

b7ae7a6c4cfbc2658fe4ae69b7d96e77
SHA1

19f6d6c1290244024557e6861cbff208b57350af
SHA256

1a7bc8c25429cda3be2b8b684b44e070f6cd1cb439be4e2a7d393bfd3117a659
SHA512

1b764cbd1847e031b9c70e23d6efb629198f108148f04a2c881004d4b3997a1e9236d92cb68717ba6638910f44b5899b70184e309c4d687b9c67159dea04f6b8
SSDEEP

3072:Di49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:DH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/2536-0-0x00000000747C0000-0x00000000747F0000-memory.dmp	dridex_ldr
behavioral1/memory/2536-3-0x00000000747C0000-0x00000000747F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2000	2536	WerFault.exe	30

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 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2348 wrote to memory of 2536	2348	rundll32.exe	30
PID 2536 wrote to memory of 2000	2536	rundll32.exe	32
PID 2536 wrote to memory of 2000	2536	rundll32.exe	32
PID 2536 wrote to memory of 2000	2536	rundll32.exe	32
PID 2536 wrote to memory of 2000	2536	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a7bc8c25429cda3be2b8b684b44e070f6cd1cb439be4e2a7d393bfd3117a659.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a7bc8c25429cda3be2b8b684b44e070f6cd1cb439be4e2a7d393bfd3117a659.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 256
    3⤵
    - Program crash
    PID:2000

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/2536-0-0x00000000747C0000-0x00000000747F0000-memory.dmp

Filesize
192KB

Download
memory/2536-2-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2536-3-0x00000000747C0000-0x00000000747F0000-memory.dmp

Filesize
192KB

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