dridex | 85fe01b5a8e9646a7f404df48139a6759d57d14fa54c26bf9a1e4c2d911cacf7

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
24-12-2024 09:43

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General

Target

JaffaCakes118_85fe01b5a8e9646a7f404df48139a6759d57d14fa54c26bf9a1e4c2d911cacf7.dll
Size

188KB
MD5

ceb3437a0190e83fb36ef96aed91820b
SHA1

06249d328df9a5acdc3cc2ab8145a988107a173b
SHA256

85fe01b5a8e9646a7f404df48139a6759d57d14fa54c26bf9a1e4c2d911cacf7
SHA512

2b9cf42311caf1d9473c325fc922d590037f967998ceb26fd18cc364d0a9e9592df4e4648a00912381f814709e94ba7a12fbe0acc9c25efcc8ff7b3519d16573
SSDEEP

3072:CA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoKo:CzIqATVfQeV2FZalKq6jtGJWuTmd

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/2704-1-0x0000000074910000-0x0000000074940000-memory.dmp	dridex_ldr
behavioral1/memory/2704-2-0x0000000074910000-0x0000000074940000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2704	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 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2672 wrote to memory of 2704	2672	rundll32.exe	30
PID 2704 wrote to memory of 2780	2704	rundll32.exe	31
PID 2704 wrote to memory of 2780	2704	rundll32.exe	31
PID 2704 wrote to memory of 2780	2704	rundll32.exe	31
PID 2704 wrote to memory of 2780	2704	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85fe01b5a8e9646a7f404df48139a6759d57d14fa54c26bf9a1e4c2d911cacf7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85fe01b5a8e9646a7f404df48139a6759d57d14fa54c26bf9a1e4c2d911cacf7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -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

Replay Monitor

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Downloads

memory/2704-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2704-1-0x0000000074910000-0x0000000074940000-memory.dmp

Filesize
192KB

Download
memory/2704-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2704-2-0x0000000074910000-0x0000000074940000-memory.dmp

Filesize
192KB

Download