dridex | f3a29f0e150a944b4b876f8570cec9a42555dfe6a30855835a5aff5149156cde

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 17:40

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General

Target

JaffaCakes118_f3a29f0e150a944b4b876f8570cec9a42555dfe6a30855835a5aff5149156cde.dll
Size

188KB
MD5

a28caf30daa1b6cf0bb2c2548381bda7
SHA1

4f0396c074e0b46862cc2f0fc007fd8d85de6d80
SHA256

f3a29f0e150a944b4b876f8570cec9a42555dfe6a30855835a5aff5149156cde
SHA512

dd3c19d3e21b529f6f38b5af7fa82d32f4ec4d0280e055acc17028c08f3ac340324658eeed8a5f67c5ae481c667c59f257ffa3a7add8723aef30df9054788b50
SSDEEP

3072:YA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoDo:YzIqATVfQeV2FZalKq6jtGJWuTmd

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/2396-1-0x0000000074530000-0x0000000074560000-memory.dmp	dridex_ldr
behavioral1/memory/2396-2-0x0000000074530000-0x0000000074560000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2396	WerFault.exe	31

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 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2240 wrote to memory of 2396	2240	rundll32.exe	31
PID 2396 wrote to memory of 2780	2396	rundll32.exe	32
PID 2396 wrote to memory of 2780	2396	rundll32.exe	32
PID 2396 wrote to memory of 2780	2396	rundll32.exe	32
PID 2396 wrote to memory of 2780	2396	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3a29f0e150a944b4b876f8570cec9a42555dfe6a30855835a5aff5149156cde.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3a29f0e150a944b4b876f8570cec9a42555dfe6a30855835a5aff5149156cde.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 300
    3⤵
    - Program crash
    PID:2780

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/2396-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2396-1-0x0000000074530000-0x0000000074560000-memory.dmp

Filesize
192KB

Download
memory/2396-3-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2396-2-0x0000000074530000-0x0000000074560000-memory.dmp

Filesize
192KB

Download