dridex | d3947dfc2707a13c309f8b17f6f1aa88732870d72bacc4cdeb4bd0aea8f3e35c

Analysis

max time kernel
90s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 07:37

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General

Target
871ad12227735e87e84013b33742bd60N.dll
Size 188KB
Sample240906-jgaztsvbke
SHA256 d3947dfc2707a13c309f8b17f6f1aa88732870d72bacc4cdeb4bd0aea8f3e35c
MD5 871ad12227735e87e84013b33742bd60
SHA1 e3d400f0df566a0ba59cfed32c395aecc4268e5a
SHA512 9921389e289c3b794c749d4cf5c9cba30cd31b1224cda3b828b21cdd45071280d6f0188e17779dde124977aab61b92ff22e5153808790cc0d85e91d8ae5e4e6b
SSDEEP 3072:IteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzG9qM:sq7fYIHBZkTB6DWruUCOwjt
MD5 SHA1 SHA512 SSDEEP

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2368-0-0x00000000752C0000-0x00000000752F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4924	2368	WerFault.exe	85

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 1552 wrote to memory of 2368	1552	rundll32.exe	85
PID 1552 wrote to memory of 2368	1552	rundll32.exe	85
PID 1552 wrote to memory of 2368	1552	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\871ad12227735e87e84013b33742bd60N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\871ad12227735e87e84013b33742bd60N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 700
    3⤵
    - Program crash
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2368 -ip 2368
1⤵
PID:4576

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/2368-0-0x00000000752C0000-0x00000000752F0000-memory.dmp

Download

memory/2368-2-0x0000000000E10000-0x0000000000E16000-memory.dmp