dridex | 4fcb0cdce5076373eb62aa3a15354edae485673536ed014eeaa543117cc8fb7f

Analysis

max time kernel
93s
max time network
147s
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 16:35

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General

Target

4fcb0cdce5076373eb62aa3a15354edae485673536ed014eeaa543117cc8fb7f.dll
Size

161KB
MD5

4144e0cd9f2863bba0817ecbcce92638
SHA1

6e0626503faaa3864bc1115b85e8756d12f98ef3
SHA256

4fcb0cdce5076373eb62aa3a15354edae485673536ed014eeaa543117cc8fb7f
SHA512

894a86128721981312264982a997620b70010bf2a55b6a9bfbb08e4fc13c488be50bd9f806a03b1565e42b4b07b5c7334717aa27f915516eb003c12810f9500e
SSDEEP

3072:UZSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd21GkFY:GnS62Fl+pkeJl3CvRStrFl+EY4

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2224-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/2224-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4012	2224	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 868 wrote to memory of 2224	868	rundll32.exe	83
PID 868 wrote to memory of 2224	868	rundll32.exe	83
PID 868 wrote to memory of 2224	868	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fcb0cdce5076373eb62aa3a15354edae485673536ed014eeaa543117cc8fb7f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fcb0cdce5076373eb62aa3a15354edae485673536ed014eeaa543117cc8fb7f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 720
    3⤵
    - Program crash
    PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2224 -ip 2224
1⤵
PID:4048

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/2224-0-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2224-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2224-3-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download