dridex | 0824e31325b54f93ae40c8caae4432f9b076d766cdec6a6b3a09cd6da6504dec

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
24-12-2024 01:29

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General

Target

JaffaCakes118_0824e31325b54f93ae40c8caae4432f9b076d766cdec6a6b3a09cd6da6504dec.dll
Size

184KB
MD5

6c1157e4f2d0169e1014118544f5e7a1
SHA1

2b7542a36fd8f341d47b9220aba71eb2668a77ea
SHA256

0824e31325b54f93ae40c8caae4432f9b076d766cdec6a6b3a09cd6da6504dec
SHA512

39705c822c219b800ce6a59fa5e7507b1564b6cc55383d68c62d68e550cf6cbc191a7a83bd1dc6ad8b62693061c958e08155305ee33a9e40240c83ccf87e5a8e
SSDEEP

3072:WJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jqa//2uFrSc:ffYOX+wTScR/Xzku9LVwNuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2688-1-0x0000000074E90000-0x0000000074EBF000-memory.dmp	dridex_ldr
behavioral1/memory/2688-2-0x0000000074E90000-0x0000000074EBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2688	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 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2268 wrote to memory of 2688	2268	rundll32.exe	30
PID 2688 wrote to memory of 2812	2688	rundll32.exe	31
PID 2688 wrote to memory of 2812	2688	rundll32.exe	31
PID 2688 wrote to memory of 2812	2688	rundll32.exe	31
PID 2688 wrote to memory of 2812	2688	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0824e31325b54f93ae40c8caae4432f9b076d766cdec6a6b3a09cd6da6504dec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0824e31325b54f93ae40c8caae4432f9b076d766cdec6a6b3a09cd6da6504dec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 220
    3⤵
    - Program crash
    PID:2812

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

Replay Monitor

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Downloads

memory/2688-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2688-1-0x0000000074E90000-0x0000000074EBF000-memory.dmp

Filesize
188KB

Download
memory/2688-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2688-2-0x0000000074E90000-0x0000000074EBF000-memory.dmp

Filesize
188KB

Download