dridex | 65b491dad632a623645e76948a01041d8eaa9ad0ebd81592adc479d19237df17

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 01:24

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General

Target

JaffaCakes118_65b491dad632a623645e76948a01041d8eaa9ad0ebd81592adc479d19237df17.dll
Size

188KB
MD5

b4749d4822fdf700634b5441396533b1
SHA1

bb4642a74e0acca6443fe97a435fc014eeca5333
SHA256

65b491dad632a623645e76948a01041d8eaa9ad0ebd81592adc479d19237df17
SHA512

f3a1bf4641b1ab9f332fd6804bf418aa3a197629b412297d125d5daba9372b17c94c4382823f26baf3e02df19da1e4e1ba36bdd0d4e8ac12774b90211f974bd8
SSDEEP

3072:OA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAozo:OzIqATVfQeV2FZalKq6jtGJWuTmd

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
behavioral2/memory/4100-0-0x0000000075540000-0x0000000075570000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4604	4100	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 4100	1204	rundll32.exe	82
PID 1204 wrote to memory of 4100	1204	rundll32.exe	82
PID 1204 wrote to memory of 4100	1204	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65b491dad632a623645e76948a01041d8eaa9ad0ebd81592adc479d19237df17.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65b491dad632a623645e76948a01041d8eaa9ad0ebd81592adc479d19237df17.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 688
    3⤵
    - Program crash
    PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4100 -ip 4100
1⤵
PID:3648

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/4100-0-0x0000000075540000-0x0000000075570000-memory.dmp

Filesize
192KB

Download
memory/4100-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

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