dridex | b88cdff108c7969467a953dc624e8c036ec015b1e76ebd53a3e053162cf00944

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 22:28

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General

Target

JaffaCakes118_b88cdff108c7969467a953dc624e8c036ec015b1e76ebd53a3e053162cf00944.dll
Size

161KB
MD5

2f28dbcb8ef6c53fa162282f6a611e3c
SHA1

4c6fe556995400efd687601e86c444405df6626c
SHA256

b88cdff108c7969467a953dc624e8c036ec015b1e76ebd53a3e053162cf00944
SHA512

49b33ae85a321bc54ae7ba13442f3594c0c2f593dd06449f33eff84e379e0926d7d4bb6fa29138c1146113f01573e3253b77cab9ee74f3ad0831858728ca8013
SSDEEP

3072:31Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:lnS62Fl+pkeJl3CvRStrFl+EYh

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/4888-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/4888-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	4888	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 2584 wrote to memory of 4888	2584	rundll32.exe	83
PID 2584 wrote to memory of 4888	2584	rundll32.exe	83
PID 2584 wrote to memory of 4888	2584	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b88cdff108c7969467a953dc624e8c036ec015b1e76ebd53a3e053162cf00944.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b88cdff108c7969467a953dc624e8c036ec015b1e76ebd53a3e053162cf00944.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 720
    3⤵
    - Program crash
    PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4888 -ip 4888
1⤵
PID:5068

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/4888-0-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/4888-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4888-3-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/4888-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download