dridex | bbf42f8ea5857c96278cb3c95a3d6702a68d37d8f36fe63b1a03b21bff708f97

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 10:42

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General

Target

JaffaCakes118_bbf42f8ea5857c96278cb3c95a3d6702a68d37d8f36fe63b1a03b21bff708f97.dll
Size

184KB
MD5

50d5e64e0be8221080325e48c010ef81
SHA1

c3d0ab4497aa72100998dd3d236dc4bd5b774e41
SHA256

bbf42f8ea5857c96278cb3c95a3d6702a68d37d8f36fe63b1a03b21bff708f97
SHA512

a13e83e34c4f4e49fdcb36dc6075c749754353b10df20859a43514efb6a30acc1fbd24b1b63a1fa2b0d1bf30de13ba73c725603d8c58703d803ece81c7c326e7
SSDEEP

3072:OiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoblzoxss7:OiLVCIT4WK2z1W+CUHZj4Skq/eaohoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3044-1-0x0000000074AD0000-0x0000000074AFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	3044	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bbf42f8ea5857c96278cb3c95a3d6702a68d37d8f36fe63b1a03b21bff708f97.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bbf42f8ea5857c96278cb3c95a3d6702a68d37d8f36fe63b1a03b21bff708f97.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 220
    3⤵
    - Program crash
    PID:2768

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/3044-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3044-1-0x0000000074AD0000-0x0000000074AFF000-memory.dmp

Filesize
188KB

Download
memory/3044-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download