dridex | d10f3906ae1bce544d2840b3942bda4d93888a55f97b209166bc86e0da5d395f

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 02:47

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General

Target

cb4b0bec1c6df52313242d50eef07270N.dll
Size

188KB
MD5

cb4b0bec1c6df52313242d50eef07270
SHA1

c3521bd562ed55073c7916717463861a37d7f077
SHA256

d10f3906ae1bce544d2840b3942bda4d93888a55f97b209166bc86e0da5d395f
SHA512

c23e445d72a3ba9a7704247725c077498adaabb49af6397d259a41245ad50fdaf03554050d6707cde884fc25b08cde99ba7141dfbad874e38c55d0147794800a
SSDEEP

3072:eteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzg9qM:Wq7fYIHBZkTB6DWruUCOwjt

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
behavioral1/memory/1856-1-0x0000000074E90000-0x0000000074EC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	1856	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 2316 wrote to memory of 1856	2316	rundll32.exe	30
PID 1856 wrote to memory of 2836	1856	rundll32.exe	31
PID 1856 wrote to memory of 2836	1856	rundll32.exe	31
PID 1856 wrote to memory of 2836	1856	rundll32.exe	31
PID 1856 wrote to memory of 2836	1856	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb4b0bec1c6df52313242d50eef07270N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb4b0bec1c6df52313242d50eef07270N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 300
    3⤵
    - Program crash
    PID:2836

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/1856-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1856-1-0x0000000074E90000-0x0000000074EC0000-memory.dmp

Filesize
192KB

Download
memory/1856-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download