dridex | 503c4243446a0509daecb3a6ba86abf71aca4fc11f90b44aed6b1c4eaee3a8b1

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 12:33

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General

Target

JaffaCakes118_503c4243446a0509daecb3a6ba86abf71aca4fc11f90b44aed6b1c4eaee3a8b1.dll
Size

184KB
MD5

d7894fa15ad471b7bf36439f2979b4ea
SHA1

c42a72e3c39ab1987c53bc7f637c682fc33829c9
SHA256

503c4243446a0509daecb3a6ba86abf71aca4fc11f90b44aed6b1c4eaee3a8b1
SHA512

8a3da443208a9b4ef27503b84de5614e1cabd3dfc4819377dab82047b431336048b748b17e1536e1b38d345761cd7c21066b5e447fcd4e7ec620a63e1d8ef37d
SSDEEP

3072:YiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaodlzoxss7:YiLVCIT4WK2z1W+CUHZj4Skq/eaozoC

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/2408-0-0x0000000074A30000-0x0000000074A5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	2408	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 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 1924 wrote to memory of 2408	1924	rundll32.exe	30
PID 2408 wrote to memory of 2752	2408	rundll32.exe	31
PID 2408 wrote to memory of 2752	2408	rundll32.exe	31
PID 2408 wrote to memory of 2752	2408	rundll32.exe	31
PID 2408 wrote to memory of 2752	2408	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_503c4243446a0509daecb3a6ba86abf71aca4fc11f90b44aed6b1c4eaee3a8b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_503c4243446a0509daecb3a6ba86abf71aca4fc11f90b44aed6b1c4eaee3a8b1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 220
    3⤵
    - Program crash
    PID:2752

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/2408-0-0x0000000074A30000-0x0000000074A5F000-memory.dmp

Filesize
188KB

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memory/2408-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

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