dridex | e4fa54ec2a93bbc276d36a0cc65b6d8d529ba21255d98022364331215da8c457

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
23-12-2024 15:53

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General

Target

JaffaCakes118_e4fa54ec2a93bbc276d36a0cc65b6d8d529ba21255d98022364331215da8c457.dll
Size

161KB
MD5

72ecfa9f9658d368e2bc84d541ea9efb
SHA1

00fe8e2217d3575ca7f61644a19b52ed64707651
SHA256

e4fa54ec2a93bbc276d36a0cc65b6d8d529ba21255d98022364331215da8c457
SHA512

3c94b9605524b1a0e7c79176ec4517493a0cd0f0f8a77b0a5a1e5a46bf24f80210b130511f4b375322cf1c488aa3562f5f80a2e37eefd6441ab7e6c21fde609c
SSDEEP

3072:DaSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:+nS62Fl+pkeJl3CvRStrFl+EYE

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/1260-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1260-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1700	1260	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 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1184 wrote to memory of 1260	1184	rundll32.exe	30
PID 1260 wrote to memory of 1700	1260	rundll32.exe	31
PID 1260 wrote to memory of 1700	1260	rundll32.exe	31
PID 1260 wrote to memory of 1700	1260	rundll32.exe	31
PID 1260 wrote to memory of 1700	1260	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4fa54ec2a93bbc276d36a0cc65b6d8d529ba21255d98022364331215da8c457.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4fa54ec2a93bbc276d36a0cc65b6d8d529ba21255d98022364331215da8c457.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 256
    3⤵
    - Program crash
    PID:1700

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/1260-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1260-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1260-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1260-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download