dridex | 9e47397f69729e85fcc2042a5493e941cc143f8b14e4d1b8c9b19d6c5d94f71a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-10-2024 09:43

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General

Target

9e47397f69729e85fcc2042a5493e941cc143f8b14e4d1b8c9b19d6c5d94f71aN.dll
Size

184KB
MD5

cb790dc3ecb22dee2a400c1da6530e20
SHA1

c8b50681fe03be2b55a402d3d5514d13d487ade7
SHA256

9e47397f69729e85fcc2042a5493e941cc143f8b14e4d1b8c9b19d6c5d94f71a
SHA512

6709f465507b5f9ff0b41bf9ef361d8c7d48006642c39c0a213733d9ce5f84b0d0ac7a3029c4e96b7fc6f8041dc0e4d8b4eaf5ddfa19898343c50e85dd5a800f
SSDEEP

3072:OiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoolzoxss7:OiLVCIT4WK2z1W+CUHZj4Skq/eao2oC

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2704-1-0x0000000074910000-0x000000007493F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2780 2704 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
2780	2704	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 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2704	1448	rundll32.exe	rundll32.exe
PID 2704 wrote to memory of 2780	2704	rundll32.exe	WerFault.exe
PID 2704 wrote to memory of 2780	2704	rundll32.exe	WerFault.exe
PID 2704 wrote to memory of 2780	2704	rundll32.exe	WerFault.exe
PID 2704 wrote to memory of 2780	2704	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e47397f69729e85fcc2042a5493e941cc143f8b14e4d1b8c9b19d6c5d94f71aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e47397f69729e85fcc2042a5493e941cc143f8b14e4d1b8c9b19d6c5d94f71aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 220
    3⤵
    - Program crash
    PID:2780

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/2704-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2704-1-0x0000000074910000-0x000000007493F000-memory.dmp

Filesize
188KB

Download
memory/2704-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download