dridex | 4b97f9bf360782d605acab13f6ff3ecbbf645cf9938521279da343b87ba6e9bd

Analysis

max time kernel
134s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 16:14

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General

Target

4b97f9bf360782d605acab13f6ff3ecbbf645cf9938521279da343b87ba6e9bd.dll
Size

188KB
MD5

b72de41707ae8c44305527f4e758532f
SHA1

175caa49c1aa9619cecc9d0649dddc107eac7121
SHA256

4b97f9bf360782d605acab13f6ff3ecbbf645cf9938521279da343b87ba6e9bd
SHA512

1ab5d0457d4396a22ea31d251b89b01ca8cea34c9d461d55082109c6d1294a0aa096411d3fd82525bf816ffba9348d915ad26bb45e49fa109387113978f3284d
SSDEEP

3072:ateMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz49qM:Sq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/4856-1-0x0000000075530000-0x0000000075560000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1588	4856	WerFault.exe	84

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 764 wrote to memory of 4856	764	rundll32.exe	84
PID 764 wrote to memory of 4856	764	rundll32.exe	84
PID 764 wrote to memory of 4856	764	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b97f9bf360782d605acab13f6ff3ecbbf645cf9938521279da343b87ba6e9bd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b97f9bf360782d605acab13f6ff3ecbbf645cf9938521279da343b87ba6e9bd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 692
    3⤵
    - Program crash
    PID:1588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4856 -ip 4856
1⤵
PID:1184

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/4856-0-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

Download
memory/4856-1-0x0000000075530000-0x0000000075560000-memory.dmp

Filesize
192KB

Download
memory/4856-3-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

Download