dridex | 9e71f8e915b5271454105ca593921724c5a92a5f57963896361dc4fef6cf4422

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
24-12-2024 15:36

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General

Target

JaffaCakes118_9e71f8e915b5271454105ca593921724c5a92a5f57963896361dc4fef6cf4422.dll
Size

184KB
MD5

54ebdb0b1b8e5bc463bbd9a7708d643e
SHA1

07b658e75c15c427273ec930be86147403a0f426
SHA256

9e71f8e915b5271454105ca593921724c5a92a5f57963896361dc4fef6cf4422
SHA512

9da99d7291256579ba4c9a9e9f82085ba87572b098361944a7f1605cf65a0aec42dfd71fc96026d32b084d4e414b4d690f9e25d80e53bb28fee00ecfc26fa3f7
SSDEEP

3072:AiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoUlzoxss7:AiLVCIT4WK2z1W+CUHZj4Skq/eaoqoC

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
behavioral2/memory/4648-1-0x0000000074D50000-0x0000000074D7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	4648	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 2624 wrote to memory of 4648	2624	rundll32.exe	83
PID 2624 wrote to memory of 4648	2624	rundll32.exe	83
PID 2624 wrote to memory of 4648	2624	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9e71f8e915b5271454105ca593921724c5a92a5f57963896361dc4fef6cf4422.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9e71f8e915b5271454105ca593921724c5a92a5f57963896361dc4fef6cf4422.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 616
    3⤵
    - Program crash
    PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4648 -ip 4648
1⤵
PID:3200

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/4648-0-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/4648-1-0x0000000074D50000-0x0000000074D7F000-memory.dmp

Filesize
188KB

Download
memory/4648-3-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download