dridex | 753cc3433e057b0dec4de788d4db68986ad02b6ae2e0b2fc12a3735a34db349f

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 09:40

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General

Target

17f5e539c0275c14794fa25a2b099f00N.dll
Size

184KB
MD5

17f5e539c0275c14794fa25a2b099f00
SHA1

9542726cc5fe94fd8de942e64d38a969f25c973f
SHA256

753cc3433e057b0dec4de788d4db68986ad02b6ae2e0b2fc12a3735a34db349f
SHA512

6261dc91a5a57816f54754a65b8cd1a01e217902a726a78da869a7d68424b9c09477490007a34a68ab42f5d8421aa02953eb9b2e0defe6555a96d984905fd66b
SSDEEP

3072:QJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JEa//2uFrSc:tfYOX+wTScR/Xzku9LVw/uG

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4512-1-0x0000000075770000-0x000000007579F000-memory.dmp	dridex_ldr
behavioral2/memory/4512-2-0x0000000075770000-0x000000007579F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	4512	WerFault.exe	83

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 3316 wrote to memory of 4512	3316	rundll32.exe	83
PID 3316 wrote to memory of 4512	3316	rundll32.exe	83
PID 3316 wrote to memory of 4512	3316	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\17f5e539c0275c14794fa25a2b099f00N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\17f5e539c0275c14794fa25a2b099f00N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 616
    3⤵
    - Program crash
    PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4512 -ip 4512
1⤵
PID:2608

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/4512-0-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/4512-1-0x0000000075770000-0x000000007579F000-memory.dmp

Filesize
188KB

Download
memory/4512-2-0x0000000075770000-0x000000007579F000-memory.dmp

Filesize
188KB

Download
memory/4512-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download