dridex | ef01691eacd1563f77966340c422d6e426cebd021bfea6ca07f0c8a8e6ee4419

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 20:41

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General

Target

JaffaCakes118_ef01691eacd1563f77966340c422d6e426cebd021bfea6ca07f0c8a8e6ee4419.dll
Size

184KB
MD5

145043f240231a57d59903cae57e453b
SHA1

86a73b0a95a292a57183d92d897941f03e1dfc28
SHA256

ef01691eacd1563f77966340c422d6e426cebd021bfea6ca07f0c8a8e6ee4419
SHA512

de1a623b2e28e01bf5be5579c06cef2bdac6e7ff5c8698201fa7484c789e41f58b61273c02cd0f4156635f8bf57f5a923185e0281882d6c73500a8ed6adc4671
SSDEEP

3072:JiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoilzoxss7:JiLVCIT4WK2z1W+CUHZj4Skq/eaoIoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4688-0-0x00000000751F0000-0x000000007521F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4540	4688	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 3400 wrote to memory of 4688	3400	rundll32.exe	82
PID 3400 wrote to memory of 4688	3400	rundll32.exe	82
PID 3400 wrote to memory of 4688	3400	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef01691eacd1563f77966340c422d6e426cebd021bfea6ca07f0c8a8e6ee4419.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef01691eacd1563f77966340c422d6e426cebd021bfea6ca07f0c8a8e6ee4419.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 616
    3⤵
    - Program crash
    PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4688 -ip 4688
1⤵
PID:4008

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/4688-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

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memory/4688-0-0x00000000751F0000-0x000000007521F000-memory.dmp

Filesize
188KB

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