dridex | 39f661baec718fe9e071698c1e14ea4ae00944fdb7f6c7208521649c15d756bc

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 23:16

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General

Target

JaffaCakes118_39f661baec718fe9e071698c1e14ea4ae00944fdb7f6c7208521649c15d756bc.dll
Size

184KB
MD5

61ad612b35a86fb87d77057673d6c205
SHA1

535fd6693d69420d19ebba8fa5f460c25ed5b255
SHA256

39f661baec718fe9e071698c1e14ea4ae00944fdb7f6c7208521649c15d756bc
SHA512

aa1d6e5dd78232cde1c65259e23291918ddde1d8d4cd8444a4636e7387dcfbb2ad5df50ba0bcf07418424b1708db2f1e370c592c938e9076a7c95e65e33256c6
SSDEEP

3072:zJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jaa//2uFrSc:4fYOX+wTScR/Xzku9LVw1uG

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/4824-1-0x00000000749A0000-0x00000000749CF000-memory.dmp	dridex_ldr
behavioral2/memory/4824-2-0x00000000749A0000-0x00000000749CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4056	4824	WerFault.exe	82

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 2204 wrote to memory of 4824	2204	rundll32.exe	82
PID 2204 wrote to memory of 4824	2204	rundll32.exe	82
PID 2204 wrote to memory of 4824	2204	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39f661baec718fe9e071698c1e14ea4ae00944fdb7f6c7208521649c15d756bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39f661baec718fe9e071698c1e14ea4ae00944fdb7f6c7208521649c15d756bc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 620
    3⤵
    - Program crash
    PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4824 -ip 4824
1⤵
PID:3700

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/4824-0-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/4824-1-0x00000000749A0000-0x00000000749CF000-memory.dmp

Filesize
188KB

Download
memory/4824-3-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/4824-2-0x00000000749A0000-0x00000000749CF000-memory.dmp

Filesize
188KB

Download