dridex | a4538a3791959a98c2a22fd45499802d58e389662d6b04ebf52721de474e5b11

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 19:16

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General

Target

JaffaCakes118_a4538a3791959a98c2a22fd45499802d58e389662d6b04ebf52721de474e5b11.dll
Size

188KB
MD5

8edb028909b2870ca7119713553bb970
SHA1

87076f8954afe1b9a8fa9636223a232e75113a39
SHA256

a4538a3791959a98c2a22fd45499802d58e389662d6b04ebf52721de474e5b11
SHA512

96ed70e1d80c3c1d4ebf0e4e132053e98504775b9a0fd2fd2ebf80d13a4c5f67b527ca668bc89bbbcf2c61b1b4c1d45a016968198d6d571e975be796582d1394
SSDEEP

3072:tteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz69qM:Zq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/4780-1-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
764	4780	WerFault.exe	83

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 4712 wrote to memory of 4780	4712	rundll32.exe	83
PID 4712 wrote to memory of 4780	4712	rundll32.exe	83
PID 4712 wrote to memory of 4780	4712	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4538a3791959a98c2a22fd45499802d58e389662d6b04ebf52721de474e5b11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4538a3791959a98c2a22fd45499802d58e389662d6b04ebf52721de474e5b11.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 692
    3⤵
    - Program crash
    PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4780 -ip 4780
1⤵
PID:2432

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/4780-0-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/4780-1-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

Download
memory/4780-3-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download