dridex | 8aa84cc3979e698fffb92cdc580d1194a540562e331fbe3aa21f567b8f2e000c

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:00

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General

Target

JaffaCakes118_8aa84cc3979e698fffb92cdc580d1194a540562e331fbe3aa21f567b8f2e000c.dll
Size

188KB
MD5

9e3466255fb0d1eb943463ccfebeb58c
SHA1

c59ba74d7f525f55a17c2782f0c8670c7213565f
SHA256

8aa84cc3979e698fffb92cdc580d1194a540562e331fbe3aa21f567b8f2e000c
SHA512

f1aff319f09d8a23b8ed4da35721f83da8478f5ceda4fa3296cf5d95817e61cda2abd210640234d6aa6690abb807c3ee1415ba233db68e190d6ea038a6e34726
SSDEEP

3072:0A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoDo:0zIqATVfQeV2FZalKq6jtGJWuTmd

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/3040-1-0x0000000074530000-0x0000000074560000-memory.dmp	dridex_ldr
behavioral1/memory/3040-2-0x0000000074530000-0x0000000074560000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	3040	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 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 2648 wrote to memory of 3040	2648	rundll32.exe	30
PID 3040 wrote to memory of 2760	3040	rundll32.exe	31
PID 3040 wrote to memory of 2760	3040	rundll32.exe	31
PID 3040 wrote to memory of 2760	3040	rundll32.exe	31
PID 3040 wrote to memory of 2760	3040	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aa84cc3979e698fffb92cdc580d1194a540562e331fbe3aa21f567b8f2e000c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aa84cc3979e698fffb92cdc580d1194a540562e331fbe3aa21f567b8f2e000c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 300
    3⤵
    - Program crash
    PID:2760

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/3040-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/3040-1-0x0000000074530000-0x0000000074560000-memory.dmp

Filesize
192KB

Download
memory/3040-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/3040-2-0x0000000074530000-0x0000000074560000-memory.dmp

Filesize
192KB

Download