dridex | f478f5ad250e88751fcb69dc044f853969fac42115f0dc2c82c81334f950829d

Analysis

max time kernel
93s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 12:37

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General

Target

78f460b30cf8a63f637479d6697dce10N.dll
Size

196KB
MD5

78f460b30cf8a63f637479d6697dce10
SHA1

e5b1d85f5321bd0b2df86faa8ce695dd75708116
SHA256

f478f5ad250e88751fcb69dc044f853969fac42115f0dc2c82c81334f950829d
SHA512

f76c826528528f07e4f996ed028795d98162d1c26ae14ed9334ff09f95ad2f1791af9fb19d2da87414ce0ffb66d879a0cabc96f1aff4cd41c6cf405bd3515860
SSDEEP

3072:luCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJl:pzWxkOP4p2EesvcDi6DOHPJq

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/3600-0-0x0000000074B80000-0x0000000074BB1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3368 3600 WerFault.exe rundll32.exe
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

pid	pid_target	process	target process
3368	3600	WerFault.exe	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	target process
PID 5064 wrote to memory of 3600	5064	rundll32.exe	rundll32.exe
PID 5064 wrote to memory of 3600	5064	rundll32.exe	rundll32.exe
PID 5064 wrote to memory of 3600	5064	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\78f460b30cf8a63f637479d6697dce10N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\78f460b30cf8a63f637479d6697dce10N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 640
    3⤵
    - Program crash
    PID:3368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3600 -ip 3600
1⤵
PID:3452

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/3600-0-0x0000000074B80000-0x0000000074BB1000-memory.dmp

Filesize
196KB

Download
memory/3600-2-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

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