dridex | 77ea53a4b730f9d300981ca932711f58418033da72bed86be57edb9f71c3ab02

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:29

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General

Target

JaffaCakes118_77ea53a4b730f9d300981ca932711f58418033da72bed86be57edb9f71c3ab02.dll
Size

177KB
MD5

ade4228be4803fc6e6462b0332bcf37e
SHA1

0d7a40d412bd568ed4c7da67ff23c315980619ea
SHA256

77ea53a4b730f9d300981ca932711f58418033da72bed86be57edb9f71c3ab02
SHA512

b7185d216f76230b109cdf45f09ad578327539c6e5602bcde2f717f96cb2c0135cacbe581f3e65aa7ef65a8e9656b5d897a2cd1eeac4d59a6f9f4f4ae3017c25
SSDEEP

3072:9oNQK/z2dvUgKrjbeSUAjnERwDkCWptcvcb8qgAE0A2C8FQUVac8SurKI6bl/g:2aIzLgKrjbvUAjERycp6c8qgATA2TQUr

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.79.91.89:9987

157.245.231.228:6051

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/2616-1-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2616	WerFault.exe	31

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 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2024 wrote to memory of 2616	2024	rundll32.exe	31
PID 2616 wrote to memory of 2316	2616	rundll32.exe	32
PID 2616 wrote to memory of 2316	2616	rundll32.exe	32
PID 2616 wrote to memory of 2316	2616	rundll32.exe	32
PID 2616 wrote to memory of 2316	2616	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ea53a4b730f9d300981ca932711f58418033da72bed86be57edb9f71c3ab02.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ea53a4b730f9d300981ca932711f58418033da72bed86be57edb9f71c3ab02.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 232
    3⤵
    - Program crash
    PID:2316

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/2616-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2616-1-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/2616-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download