dridex | 50429d86162f8670c9770f888cae3889079edccd232351eba72c677a09aefa32

Analysis

max time kernel
92s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 22:38

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General

Target

JaffaCakes118_50429d86162f8670c9770f888cae3889079edccd232351eba72c677a09aefa32.dll
Size

184KB
MD5

1b939ef7e5a832ec9537e9d98c583bb4
SHA1

466d1f8845fa25372ffd73e940ba8cf7bb559cb1
SHA256

50429d86162f8670c9770f888cae3889079edccd232351eba72c677a09aefa32
SHA512

5d701d7160394c833efdcb7f6ed488bdfbc1152ad1fbccfb5c09579ae21c2f46ec774538c8814a9c995d94cfeb8c4cba4383a0859732679918782e7fef33cbf0
SSDEEP

3072:bJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JEa//2uFrSc:AfYOX+wTScR/Xzku9LVw3uG

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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4532-1-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr
behavioral2/memory/4532-2-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
780	4532	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 4780 wrote to memory of 4532	4780	rundll32.exe	84
PID 4780 wrote to memory of 4532	4780	rundll32.exe	84
PID 4780 wrote to memory of 4532	4780	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50429d86162f8670c9770f888cae3889079edccd232351eba72c677a09aefa32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50429d86162f8670c9770f888cae3889079edccd232351eba72c677a09aefa32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 616
    3⤵
    - Program crash
    PID:780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4532 -ip 4532
1⤵
PID:564

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/4532-0-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/4532-1-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download
memory/4532-3-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/4532-2-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download