dridex | a0793068b5c8f8368b89ecdb974818c80a0bd62347349319980ae9940b30db85

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 01:01

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General

Target

8b4cc02a30b36d317a5757ec04874790N.dll
Size

188KB
MD5

8b4cc02a30b36d317a5757ec04874790
SHA1

58e16159c7ce505f1992776818a0079cf4bd6d98
SHA256

a0793068b5c8f8368b89ecdb974818c80a0bd62347349319980ae9940b30db85
SHA512

2abdc3ddb79f8d54f9ed49b261e0c08f3badc9adcddad8d783feb35ba571b7483f66d013e162946c0be7bde315541e6f56bc4cac3251c2b82aa9aa87b14acc42
SSDEEP

3072:OteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzy9qM:mq7fYIHBZkTB6DWruUCOwjt

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

Processes:

resource	yara_rule
behavioral2/memory/2304-1-0x0000000074DF0000-0x0000000074E20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4592	2304	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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1484 wrote to memory of 2304	1484	rundll32.exe	83
PID 1484 wrote to memory of 2304	1484	rundll32.exe	83
PID 1484 wrote to memory of 2304	1484	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b4cc02a30b36d317a5757ec04874790N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b4cc02a30b36d317a5757ec04874790N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 700
    3⤵
    - Program crash
    PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2304 -ip 2304
1⤵
PID:1788

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/2304-0-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/2304-1-0x0000000074DF0000-0x0000000074E20000-memory.dmp

Filesize
192KB

Download
memory/2304-3-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download