dridex | 1c2b4f8bce13b9dbdf34891b2236920bd97db054420b509537c3bea9a3b2a528

Analysis

max time kernel
96s
max time network
140s
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 13:28

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General

Target

JaffaCakes118_1c2b4f8bce13b9dbdf34891b2236920bd97db054420b509537c3bea9a3b2a528.dll
Size

184KB
MD5

4b47f4e17621caa5eb35358c7eb48e42
SHA1

659dea7a6ccd7b2b9df04e12af0a4c5000d5f948
SHA256

1c2b4f8bce13b9dbdf34891b2236920bd97db054420b509537c3bea9a3b2a528
SHA512

8524e0a7b035d1d8f4629f278265ed68c8c0c1001a0506824e728352494a0d16077ac7b05825ca0f86557707048355670250a8e330310103ddbde1830bb15b08
SSDEEP

3072:EiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao6lzoxss7:EiLVCIT4WK2z1W+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/3784-1-0x0000000074BD0000-0x0000000074BFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1456	3784	WerFault.exe	85

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 4244 wrote to memory of 3784	4244	rundll32.exe	85
PID 4244 wrote to memory of 3784	4244	rundll32.exe	85
PID 4244 wrote to memory of 3784	4244	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c2b4f8bce13b9dbdf34891b2236920bd97db054420b509537c3bea9a3b2a528.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c2b4f8bce13b9dbdf34891b2236920bd97db054420b509537c3bea9a3b2a528.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 616
    3⤵
    - Program crash
    PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3784 -ip 3784
1⤵
PID:4268

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/3784-0-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download
memory/3784-1-0x0000000074BD0000-0x0000000074BFF000-memory.dmp

Filesize
188KB

Download
memory/3784-3-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download