dridex | 5b4b675cedf8e828f9e3595ce3724b1fd04ce59f1ae2d32e3dc63550bcdcd88e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 22:02 UTC

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General

Target

JaffaCakes118_5b4b675cedf8e828f9e3595ce3724b1fd04ce59f1ae2d32e3dc63550bcdcd88e.dll
Size

177KB
MD5

ddfad9b58ba63e71a88022ac1faf94f3
SHA1

df48dcf024a8b67fa39ee385d321e3035094859d
SHA256

5b4b675cedf8e828f9e3595ce3724b1fd04ce59f1ae2d32e3dc63550bcdcd88e
SHA512

edfae62ba9ad55556ebb212fcb9860109d0b6ee6007d8375e7bc2a2a6bcde39b3110a48b023d54079b491f0739030d8189dd5ca5d23041112e833b13190f89e4
SSDEEP

3072:1uCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:5zWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain

1
YjbQeq5UMzLaqTuxGlME3hD5AZvvRe5dSrViGkA4D3iqQ

rc4.plain

1
5oO2mBtXHaMUXu5tCn6RiiaG0OpiGUDJgk3FMD9BEFejUNONblkzzEmo9zKtF

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/1976-0-0x0000000074D20000-0x0000000074D51000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	1976	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 776 wrote to memory of 1976	776	rundll32.exe	30
PID 776 wrote to memory of 1976	776	rundll32.exe	30
PID 776 wrote to memory of 1976	776	rundll32.exe	30
PID 776 wrote to memory of 1976	776	rundll32.exe	30
PID 776 wrote to memory of 1976	776	rundll32.exe	30
PID 776 wrote to memory of 1976	776	rundll32.exe	30
PID 776 wrote to memory of 1976	776	rundll32.exe	30
PID 1976 wrote to memory of 2948	1976	rundll32.exe	32
PID 1976 wrote to memory of 2948	1976	rundll32.exe	32
PID 1976 wrote to memory of 2948	1976	rundll32.exe	32
PID 1976 wrote to memory of 2948	1976	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b4b675cedf8e828f9e3595ce3724b1fd04ce59f1ae2d32e3dc63550bcdcd88e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b4b675cedf8e828f9e3595ce3724b1fd04ce59f1ae2d32e3dc63550bcdcd88e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 220
    3⤵
    - Program crash
    PID:2948

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/1976-2-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1976-0-0x0000000074D20000-0x0000000074D51000-memory.dmp

Filesize
196KB

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