dridex | ba9f5bd6cf51ed8e4b6417c5c73fec99fb1c0f96d912be85444a829c3d060459

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 16:55

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General

Target

0a5110d6fc6a7f81fca3ced3ddb11d90N.dll
Size

184KB
MD5

0a5110d6fc6a7f81fca3ced3ddb11d90
SHA1

9f7a396075879c2d7f6a5961441eba460c76dc9f
SHA256

ba9f5bd6cf51ed8e4b6417c5c73fec99fb1c0f96d912be85444a829c3d060459
SHA512

dc3a9c71e4927356af551f261b9a48b672876528bd56f2712bcdf07762dd1ec151daffa24f9e3535a5256b5bae592b2d596be97beda333c0b2e91ecdd312abe9
SSDEEP

3072:cW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngm2Wx9ixCH0u:/8qh+66QsRdNiBW/06ngm2WexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4716-0-0x0000000075510000-0x0000000075540000-memory.dmp	dridex_ldr
behavioral2/memory/4716-3-0x0000000075510000-0x0000000075540000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2296	4716	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 1072 wrote to memory of 4716	1072	rundll32.exe	84
PID 1072 wrote to memory of 4716	1072	rundll32.exe	84
PID 1072 wrote to memory of 4716	1072	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a5110d6fc6a7f81fca3ced3ddb11d90N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a5110d6fc6a7f81fca3ced3ddb11d90N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 624
    3⤵
    - Program crash
    PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4716 -ip 4716
1⤵
PID:3136

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/4716-0-0x0000000075510000-0x0000000075540000-memory.dmp

Filesize
192KB

Download
memory/4716-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/4716-3-0x0000000075510000-0x0000000075540000-memory.dmp

Filesize
192KB

Download