dridex | c1f4db4154ab22a79b59d88fce10a73df0124e256ac54cd11fbca528f9cac329

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 10:52 UTC

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General

Target

JaffaCakes118_c1f4db4154ab22a79b59d88fce10a73df0124e256ac54cd11fbca528f9cac329.dll
Size

177KB
MD5

32667b3c4c63c22bb7625caa2ec2a5d0
SHA1

cfa99d7c6a6883b3dabc13fc48659065cc8ffbf4
SHA256

c1f4db4154ab22a79b59d88fce10a73df0124e256ac54cd11fbca528f9cac329
SHA512

4e8bf9f24452fd9336e9c0845faa1ca04454b29c7d59895619d23cd738d51b7d96fb758fe8ae93c984f4ea59efa8f8bcef775d0402a0e030530b9b37bf72d73c
SSDEEP

3072:5uCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:lzWxkOP4p2EesvcDi6DOHPJ

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/2904-1-0x0000000074740000-0x0000000074771000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2672	2904	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 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2880 wrote to memory of 2904	2880	rundll32.exe	30
PID 2904 wrote to memory of 2672	2904	rundll32.exe	31
PID 2904 wrote to memory of 2672	2904	rundll32.exe	31
PID 2904 wrote to memory of 2672	2904	rundll32.exe	31
PID 2904 wrote to memory of 2672	2904	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1f4db4154ab22a79b59d88fce10a73df0124e256ac54cd11fbca528f9cac329.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1f4db4154ab22a79b59d88fce10a73df0124e256ac54cd11fbca528f9cac329.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 224
    3⤵
    - Program crash
    PID:2672

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/2904-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2904-1-0x0000000074740000-0x0000000074771000-memory.dmp

Filesize
196KB

Download
memory/2904-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download