dridex | 5436c524e101dfabb38a328428ea243b3d5e42053c8e696db838ff76d89ca525

Analysis

max time kernel
93s
max time network
139s
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 18:19

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General

Target

JaffaCakes118_5436c524e101dfabb38a328428ea243b3d5e42053c8e696db838ff76d89ca525.dll
Size

184KB
MD5

b742a2fe3b15789c08739d5516646fbc
SHA1

b6bdd424174d52b1eef574a31ab1a5a7151563d1
SHA256

5436c524e101dfabb38a328428ea243b3d5e42053c8e696db838ff76d89ca525
SHA512

4be68d78f5305be413f74b8ccee8a006fe3f11401004414f385e1c15f1833042dfe383ec77e90f9c0ae13f41ce2eb7a80f753063ccac93d91e45baa4aa17ebf8
SSDEEP

3072:tJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jxa//2uFrSc:WfYOX+wTScR/Xzku9LVwCuG

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/4692-1-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr
behavioral2/memory/4692-2-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3136	4692	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

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 3936 wrote to memory of 4692	3936	rundll32.exe	83
PID 3936 wrote to memory of 4692	3936	rundll32.exe	83
PID 3936 wrote to memory of 4692	3936	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5436c524e101dfabb38a328428ea243b3d5e42053c8e696db838ff76d89ca525.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5436c524e101dfabb38a328428ea243b3d5e42053c8e696db838ff76d89ca525.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 624
    3⤵
    - Program crash
    PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4692 -ip 4692
1⤵
PID:1824

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/4692-0-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/4692-1-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download
memory/4692-3-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/4692-2-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download