dridex | cce501b781f82597199ebef1e1d4dfeff6160aac5993cf82edda4079f17f3fab

Analysis

max time kernel
105s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 18:24

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General

Target

f8afa9359cca5651be1e913a8bf53030N.dll
Size

184KB
MD5

f8afa9359cca5651be1e913a8bf53030
SHA1

0a04f80f48f60d578c303284680ab6e2519f9e8d
SHA256

cce501b781f82597199ebef1e1d4dfeff6160aac5993cf82edda4079f17f3fab
SHA512

2da0c4e5faff7ace7e3f748cdb3adf67679aa2073a94fe8bf2a22259d47059a0ad3db16eb6889f2ef8169e04a633404554d6b3298fa57303dff0b104eb0aab0a
SSDEEP

3072:DJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jga//2uFrSc:ofYOX+wTScR/Xzku9LVwzuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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/3352-0-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr
behavioral2/memory/3352-3-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1620	3352	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 3652 wrote to memory of 3352	3652	rundll32.exe	84
PID 3652 wrote to memory of 3352	3652	rundll32.exe	84
PID 3652 wrote to memory of 3352	3652	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8afa9359cca5651be1e913a8bf53030N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8afa9359cca5651be1e913a8bf53030N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 616
    3⤵
    - Program crash
    PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3352 -ip 3352
1⤵
PID:4736

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/3352-0-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download
memory/3352-2-0x0000000001380000-0x0000000001386000-memory.dmp

Filesize
24KB

Download
memory/3352-3-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

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