dridex | 29d931229ca1096e2ef16adc3b6987696c8fad472be637edba2e8e4b51d84276

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 03:23

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General

Target

d26b7d1cfe266ee11a35030cc47cc4c0N.dll
Size

184KB
MD5

d26b7d1cfe266ee11a35030cc47cc4c0
SHA1

731c287d8940edea8a32c021473f0f99adb9546f
SHA256

29d931229ca1096e2ef16adc3b6987696c8fad472be637edba2e8e4b51d84276
SHA512

96291caebd7df3055928c377313cc153ef297b096d8f8ca0044b4e4883817c2ad720d00d19886244796b1c79558e84c4260d2d5a006ca0cd5008c0684e1b9ef1
SSDEEP

3072:O92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTfrLA:O9NSMOEpQ1Q3ODAr+V3

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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

resource	yara_rule
behavioral2/memory/4852-1-0x0000000075600000-0x000000007562F000-memory.dmp	dridex_ldr
behavioral2/memory/4852-2-0x0000000075600000-0x000000007562F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3292	4852	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 4848 wrote to memory of 4852	4848	rundll32.exe	84
PID 4848 wrote to memory of 4852	4848	rundll32.exe	84
PID 4848 wrote to memory of 4852	4848	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d26b7d1cfe266ee11a35030cc47cc4c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d26b7d1cfe266ee11a35030cc47cc4c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 616
    3⤵
    - Program crash
    PID:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4852 -ip 4852
1⤵
PID:1032

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/4852-0-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/4852-1-0x0000000075600000-0x000000007562F000-memory.dmp

Filesize
188KB

Download
memory/4852-3-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/4852-2-0x0000000075600000-0x000000007562F000-memory.dmp

Filesize
188KB

Download