dridex | 73cf4c5f5c7eba48f8f1f84a3f31eb960d891d1b3cd56726bf7c304fd967a53e

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 18:35

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General

Target

JaffaCakes118_73cf4c5f5c7eba48f8f1f84a3f31eb960d891d1b3cd56726bf7c304fd967a53e.dll
Size

188KB
MD5

a29c83bcf43ae56739af5ff1f68d1f9a
SHA1

39d89f659bb0eb3a4267754a3b4989b74b05fbf1
SHA256

73cf4c5f5c7eba48f8f1f84a3f31eb960d891d1b3cd56726bf7c304fd967a53e
SHA512

b2aa283576922b762ad82dc1cf4d7d05e4a91e27269d16d6ccf7bf55a80f10ac99ab29e1f571ec3181a274fadecaf848f44587e7f8c9f50f6bce9fc42c5a41ad
SSDEEP

3072:8A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoMo:8zIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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
behavioral1/memory/2664-0-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr
behavioral1/memory/2664-3-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2664	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 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2028 wrote to memory of 2664	2028	rundll32.exe	30
PID 2664 wrote to memory of 2824	2664	rundll32.exe	31
PID 2664 wrote to memory of 2824	2664	rundll32.exe	31
PID 2664 wrote to memory of 2824	2664	rundll32.exe	31
PID 2664 wrote to memory of 2824	2664	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73cf4c5f5c7eba48f8f1f84a3f31eb960d891d1b3cd56726bf7c304fd967a53e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73cf4c5f5c7eba48f8f1f84a3f31eb960d891d1b3cd56726bf7c304fd967a53e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 300
    3⤵
    - Program crash
    PID:2824

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/2664-0-0x0000000075390000-0x00000000753C0000-memory.dmp

Filesize
192KB

Download
memory/2664-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2664-3-0x0000000075390000-0x00000000753C0000-memory.dmp

Filesize
192KB

Download