dridex | effcc6719e3e7cddbff96c237e2a59af42b337aa3f93feb2644761847cd31c24

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:39

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General

Target

JaffaCakes118_effcc6719e3e7cddbff96c237e2a59af42b337aa3f93feb2644761847cd31c24.dll
Size

188KB
MD5

c7d28197f7e0973db54e76fa9123e7e1
SHA1

2f19ad4f2d7a2df05943612c9d3b9d26169668b8
SHA256

effcc6719e3e7cddbff96c237e2a59af42b337aa3f93feb2644761847cd31c24
SHA512

b504e38d34b3da4c643b47c93312d0271b87eb388d32767eb67a93aca51bb591769d25de408e4ba263b1384f70a04a7f597fb4ca6fe5f9b82f18639a648e20c8
SSDEEP

3072:vA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoho:vzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1900-0-0x00000000749F0000-0x0000000074A20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	1900	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 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1904 wrote to memory of 1900	1904	rundll32.exe	30
PID 1900 wrote to memory of 1664	1900	rundll32.exe	31
PID 1900 wrote to memory of 1664	1900	rundll32.exe	31
PID 1900 wrote to memory of 1664	1900	rundll32.exe	31
PID 1900 wrote to memory of 1664	1900	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_effcc6719e3e7cddbff96c237e2a59af42b337aa3f93feb2644761847cd31c24.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_effcc6719e3e7cddbff96c237e2a59af42b337aa3f93feb2644761847cd31c24.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 300
    3⤵
    - Program crash
    PID:1664

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/1900-0-0x00000000749F0000-0x0000000074A20000-memory.dmp

Filesize
192KB

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memory/1900-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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