dridex | 1b5201475ad1f6bafbcb002069f94ff1ee01e342c322a6c44cbe6c995b94c651

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/12/2024, 02:46

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General

Target

JaffaCakes118_1b5201475ad1f6bafbcb002069f94ff1ee01e342c322a6c44cbe6c995b94c651.dll
Size

184KB
MD5

f13c6aa0a9abd7e58bc18133badf3dfc
SHA1

f9b9f3807ebecb3b1459fa0983e4316a9a536aa1
SHA256

1b5201475ad1f6bafbcb002069f94ff1ee01e342c322a6c44cbe6c995b94c651
SHA512

f2d190e0c23d9e4e9086cfe85dd554219afd751cc63ac736976774542cccf975b4997ebc1c7520d5d63ba9be2f5c44aaa04d67fc4051543a37e664cb23470e7a
SSDEEP

3072:biLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaohlzoxss7:biLVCIT4WK2z1W+CUHZj4Skq/eao/oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2736-1-0x0000000074D70000-0x0000000074D9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	2736	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 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b5201475ad1f6bafbcb002069f94ff1ee01e342c322a6c44cbe6c995b94c651.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b5201475ad1f6bafbcb002069f94ff1ee01e342c322a6c44cbe6c995b94c651.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 220
    3⤵
    - Program crash
    PID:2944

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/2736-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2736-1-0x0000000074D70000-0x0000000074D9F000-memory.dmp

Filesize
188KB

Download
memory/2736-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download