dridex | f371a68b55bc99221b58e5fb41e7b08049beb90928df4586862c96a993191555

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:23

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General

Target

JaffaCakes118_f371a68b55bc99221b58e5fb41e7b08049beb90928df4586862c96a993191555.dll
Size

188KB
MD5

7305ef1e4d3a7ba8ffcd0c5a3d5c668a
SHA1

084c2553ff0f513a5135dbb42306e711ba7d818a
SHA256

f371a68b55bc99221b58e5fb41e7b08049beb90928df4586862c96a993191555
SHA512

9752cbd7f7e654c7a307d52afdb9a2585370a2a112d56d7906d0948008703244ae2cb4db9d4568bf22fa5b5e38df00ad4c574b5e6f1d0b45aedc6508a7649db8
SSDEEP

3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoCo:zzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2948-1-0x0000000074760000-0x0000000074790000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1484	2948	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 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2884 wrote to memory of 2948	2884	rundll32.exe	30
PID 2948 wrote to memory of 1484	2948	rundll32.exe	31
PID 2948 wrote to memory of 1484	2948	rundll32.exe	31
PID 2948 wrote to memory of 1484	2948	rundll32.exe	31
PID 2948 wrote to memory of 1484	2948	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f371a68b55bc99221b58e5fb41e7b08049beb90928df4586862c96a993191555.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f371a68b55bc99221b58e5fb41e7b08049beb90928df4586862c96a993191555.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 308
    3⤵
    - Program crash
    PID:1484

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/2948-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2948-1-0x0000000074760000-0x0000000074790000-memory.dmp

Filesize
192KB

Download
memory/2948-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download