dridex | 201d070e94ab673a21d6298c9d7bef2fbc1b9f1fc241ffdc9bc3738e7fb0b2f6

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:21

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General

Target

JaffaCakes118_201d070e94ab673a21d6298c9d7bef2fbc1b9f1fc241ffdc9bc3738e7fb0b2f6.dll
Size

170KB
MD5

b09101fbb0782c72773f6cf66b694daa
SHA1

c145176c2bd12e542058d14862ee8c2d79e3a7ba
SHA256

201d070e94ab673a21d6298c9d7bef2fbc1b9f1fc241ffdc9bc3738e7fb0b2f6
SHA512

5aeee735b01c9a3fb710190f82b2121445416d2dc109cc708280fc3f0becd3515134c3d7ce19434a4a68edacd679556d3102f3b25e4883d854606f45df63b7b3
SSDEEP

3072:VqWLBTrGNroI3bc4ThMXu6GkqFmLqmjcRVmkHkKFhG2wwUJ5/lB:bVqNMIQHXu9VFmu0qU2CJ5

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2436-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp	dridex_ldr
behavioral1/memory/2436-2-0x0000000074C80000-0x0000000074CB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2620	2436	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 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 2436 wrote to memory of 2620	2436	rundll32.exe	32
PID 2436 wrote to memory of 2620	2436	rundll32.exe	32
PID 2436 wrote to memory of 2620	2436	rundll32.exe	32
PID 2436 wrote to memory of 2620	2436	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201d070e94ab673a21d6298c9d7bef2fbc1b9f1fc241ffdc9bc3738e7fb0b2f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201d070e94ab673a21d6298c9d7bef2fbc1b9f1fc241ffdc9bc3738e7fb0b2f6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 256
    3⤵
    - Program crash
    PID:2620

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/2436-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2436-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp

Filesize
192KB

Download
memory/2436-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2436-2-0x0000000074C80000-0x0000000074CB0000-memory.dmp

Filesize
192KB

Download