dridex | 85034ba8c6820ca71b326fd0e0fa9b10bcccc87a3ae158d56501ee59ab91981b

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 15:23

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General

Target

357d2ace301f77039661648f582d1bf6_JaffaCakes118.dll
Size

184KB
MD5

357d2ace301f77039661648f582d1bf6
SHA1

98bebeb9b00f83572c88718efa21959dc8bfc06a
SHA256

85034ba8c6820ca71b326fd0e0fa9b10bcccc87a3ae158d56501ee59ab91981b
SHA512

790869a6de911c5a6f7f4b01ec363bab466be8cd9b7884bca0897912c77c30a9da142679584e628e09bd1e6425da5683fb0da0f4458d7a4337afd529e10a1904
SSDEEP

3072:kDHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFZsvQ:YMhP1cq7/16CT9jnR1Vz7i8

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2808-1-0x0000000074C30000-0x0000000074C60000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2820 2808 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2820	2808	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2808	2904	rundll32.exe	rundll32.exe
PID 2808 wrote to memory of 2820	2808	rundll32.exe	WerFault.exe
PID 2808 wrote to memory of 2820	2808	rundll32.exe	WerFault.exe
PID 2808 wrote to memory of 2820	2808	rundll32.exe	WerFault.exe
PID 2808 wrote to memory of 2820	2808	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\357d2ace301f77039661648f582d1bf6_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\357d2ace301f77039661648f582d1bf6_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 224
    3⤵
    - Program crash
    PID:2820

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/2808-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2808-1-0x0000000074C30000-0x0000000074C60000-memory.dmp

Filesize
192KB

Download
memory/2808-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download