dridex | 64fc64d39aa5da0b7b45ba083f17c4db5045e9f144ba24c2f54634a87213df92

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 16:48

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General

Target

ec73ef419b4594329ccbfc485a9b0906_JaffaCakes118.dll
Size

184KB
MD5

ec73ef419b4594329ccbfc485a9b0906
SHA1

9cee48d9cbbfcc6bd6d2e4f75da0dd617d9dd5a6
SHA256

64fc64d39aa5da0b7b45ba083f17c4db5045e9f144ba24c2f54634a87213df92
SHA512

18639f77ef2f84c2adb0b17f11e909c13a7107bf40e6d16b6c11c540bb8e47ff4999f99e369329b8c3687941f460eae84bfe860bf6f5d0acade8394ba51001b4
SSDEEP

3072:c1JzSxp5PpRh7phfrv/6jC5KHWnzD7xC3/o1WXDCFUBUL1iMhmDEwmuFWwqF:c1JGz5pX7fz+C5kUzDA36bFUc1i7EwR2

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4920-1-0x00000000758F0000-0x000000007591F000-memory.dmp	dridex_ldr
behavioral2/memory/4920-2-0x00000000758F0000-0x000000007591F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4324	4920	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 4920	2260	rundll32.exe	82
PID 2260 wrote to memory of 4920	2260	rundll32.exe	82
PID 2260 wrote to memory of 4920	2260	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec73ef419b4594329ccbfc485a9b0906_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec73ef419b4594329ccbfc485a9b0906_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 620
    3⤵
    - Program crash
    PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4920 -ip 4920
1⤵
PID:4756

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/4920-0-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/4920-1-0x00000000758F0000-0x000000007591F000-memory.dmp

Filesize
188KB

Download
memory/4920-3-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/4920-2-0x00000000758F0000-0x000000007591F000-memory.dmp

Filesize
188KB

Download