dridex | 5839e412fae63cf8c5e6b3e7bd129bf7454ccd0cb5b636d1f735d909f9b21fa7

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:14

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General

Target

JaffaCakes118_5839e412fae63cf8c5e6b3e7bd129bf7454ccd0cb5b636d1f735d909f9b21fa7.dll
Size

188KB
MD5

422b7ef0beaf8da9864db6a908bcbc87
SHA1

69502470b0e18b24372ced040bdabdc8e09dc898
SHA256

5839e412fae63cf8c5e6b3e7bd129bf7454ccd0cb5b636d1f735d909f9b21fa7
SHA512

19d7b8625eab84e4bd0d5719eba1fd512cc2bd4be7113c7f5a665ea11bd7d69c013d9e0264d986a3aa881e0484bb07ad2c5d585b0fc7028ad49ba4b712d97e42
SSDEEP

3072:XteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzB9qM:Pq7fYIHBZkTB6DWruUCOwjt

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/2232-1-0x0000000074FF0000-0x0000000075020000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	2232	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 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2120 wrote to memory of 2232	2120	rundll32.exe	30
PID 2232 wrote to memory of 2732	2232	rundll32.exe	31
PID 2232 wrote to memory of 2732	2232	rundll32.exe	31
PID 2232 wrote to memory of 2732	2232	rundll32.exe	31
PID 2232 wrote to memory of 2732	2232	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5839e412fae63cf8c5e6b3e7bd129bf7454ccd0cb5b636d1f735d909f9b21fa7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5839e412fae63cf8c5e6b3e7bd129bf7454ccd0cb5b636d1f735d909f9b21fa7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 300
    3⤵
    - Program crash
    PID:2732

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/2232-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x0000000074FF0000-0x0000000075020000-memory.dmp

Filesize
192KB

Download
memory/2232-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download