dridex | f52a1ad35841d14c7c475f0c3d7b9c73ca9f94e426541d464c72bd6122d790cf

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 13:37

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General

Target

51652c4dff0c5a6e310211fe4ac69560N.dll
Size

188KB
MD5

51652c4dff0c5a6e310211fe4ac69560
SHA1

c901ee667dd8ef29aa60a290be6e4d31c3e12b33
SHA256

f52a1ad35841d14c7c475f0c3d7b9c73ca9f94e426541d464c72bd6122d790cf
SHA512

9617c767f602718187b9e6a51f050bd542a254d3b5ed83b4d74dc27fe47acce4a79ee988c6e00c0494a4f43722327e7d3734d9b9a3950bda38d9b4b91060cbe5
SSDEEP

3072:UteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzr9qM:oq7fYIHBZkTB6DWruUCOwjt

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/544-0-0x00000000757A0000-0x00000000757D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1192	544	WerFault.exe	83

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 4488 wrote to memory of 544	4488	rundll32.exe	83
PID 4488 wrote to memory of 544	4488	rundll32.exe	83
PID 4488 wrote to memory of 544	4488	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51652c4dff0c5a6e310211fe4ac69560N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\51652c4dff0c5a6e310211fe4ac69560N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 692
    3⤵
    - Program crash
    PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 544 -ip 544
1⤵
PID:532

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

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Downloads

memory/544-0-0x00000000757A0000-0x00000000757D0000-memory.dmp

Filesize
192KB

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memory/544-2-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

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