dridex | 645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-08-2024 21:08

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General

Target

645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb.dll
Size

184KB
MD5

1d7f8e1ba732933739604999a7156386
SHA1

042e0fe77364c19b89a2bd808f1b206c18a552c9
SHA256

645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb
SHA512

c747d811f7f1cbe9bf681162d44b0366bee13ac47661235f0f910299a570bb2e4474be6c5a46179da2a6e582536cf3cc12cacd185713398446001700c69bcdf4
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JYa//2uFrSc:mfYOX+wTScR/Xzku9LVwfuG

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

Processes:

resource	yara_rule
behavioral1/memory/1688-0-0x0000000074A60000-0x0000000074A8F000-memory.dmp	dridex_ldr
behavioral1/memory/1688-1-0x0000000074A60000-0x0000000074A8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
860	1688	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1828 wrote to memory of 1688	1828	rundll32.exe	30
PID 1688 wrote to memory of 860	1688	rundll32.exe	31
PID 1688 wrote to memory of 860	1688	rundll32.exe	31
PID 1688 wrote to memory of 860	1688	rundll32.exe	31
PID 1688 wrote to memory of 860	1688	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 220
    3⤵
    - Program crash
    PID:860

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/1688-0-0x0000000074A60000-0x0000000074A8F000-memory.dmp

Filesize
188KB

Download
memory/1688-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000074A60000-0x0000000074A8F000-memory.dmp

Filesize
188KB

Download