dridex | 35bb553e22c16564e0070c4f5e9073d1932abf3a3e6a7c26620e92c193e38545

Analysis

max time kernel
95s
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
30-12-2024 22:26

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General

Target

JaffaCakes118_35bb553e22c16564e0070c4f5e9073d1932abf3a3e6a7c26620e92c193e38545.dll
Size

188KB
MD5

bf447a72d7afd18e5a060f29b1c76e2f
SHA1

369afc8dff18c766d933a7f6e6ebd2bf994983e4
SHA256

35bb553e22c16564e0070c4f5e9073d1932abf3a3e6a7c26620e92c193e38545
SHA512

7bf0276b4ecc588a07605e262729361dd90731b376d8c40cb88c3fcaedbe484bbad01d4362bd9ec664a2cb4ddb8c781933b47aa20dcbdb13473012fc5aea0346
SSDEEP

3072:5teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzM9qM:Vq7fYIHBZkTB6DWruUCOwjt

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/4132-0-0x00000000758D0000-0x0000000075900000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5024	4132	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 3720 wrote to memory of 4132	3720	rundll32.exe	83
PID 3720 wrote to memory of 4132	3720	rundll32.exe	83
PID 3720 wrote to memory of 4132	3720	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35bb553e22c16564e0070c4f5e9073d1932abf3a3e6a7c26620e92c193e38545.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35bb553e22c16564e0070c4f5e9073d1932abf3a3e6a7c26620e92c193e38545.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 692
    3⤵
    - Program crash
    PID:5024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4132 -ip 4132
1⤵
PID:1500

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/4132-0-0x00000000758D0000-0x0000000075900000-memory.dmp

Filesize
192KB

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memory/4132-2-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

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