dridex | 0898529c37a94863c318778e05665e8351e46408b9c676c7c238a39430962d51

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:10

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General

Target

JaffaCakes118_0898529c37a94863c318778e05665e8351e46408b9c676c7c238a39430962d51.dll
Size

188KB
MD5

20c3a31556faf591767026faa607365a
SHA1

7a6c339d465e3e36965680fa538f7fd62d583a8c
SHA256

0898529c37a94863c318778e05665e8351e46408b9c676c7c238a39430962d51
SHA512

78dc25b8235e7623a255faa2bf1474c177002640235cd7e19288847f714bd75991c74296ad252964c58fdfc4ccbe5081736c876c187b24e1c3cf6e1638e46f36
SSDEEP

3072:6teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzR9qM:yq7fYIHBZkTB6DWruUCOwjt

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
behavioral1/memory/2636-0-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1696	2636	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 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2032 wrote to memory of 2636	2032	rundll32.exe	30
PID 2636 wrote to memory of 1696	2636	rundll32.exe	32
PID 2636 wrote to memory of 1696	2636	rundll32.exe	32
PID 2636 wrote to memory of 1696	2636	rundll32.exe	32
PID 2636 wrote to memory of 1696	2636	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0898529c37a94863c318778e05665e8351e46408b9c676c7c238a39430962d51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0898529c37a94863c318778e05665e8351e46408b9c676c7c238a39430962d51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 300
    3⤵
    - Program crash
    PID:1696

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/2636-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

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memory/2636-0-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

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