dridex | f5ba102859b31024cc08e68e9f4ede35cb21bb8672aa4f9c9609cba08faa704b

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
24-12-2024 01:09

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General

Target

JaffaCakes118_f5ba102859b31024cc08e68e9f4ede35cb21bb8672aa4f9c9609cba08faa704b.dll
Size

161KB
MD5

7911f16fb7ab4d1d2b497d66b7239683
SHA1

62ca53b79ff0986728a24d7544526ad33e4c38e9
SHA256

f5ba102859b31024cc08e68e9f4ede35cb21bb8672aa4f9c9609cba08faa704b
SHA512

dee047acd235e88feb4288e3942d466d564b75d1664e52e166841c0281f2a38fd56671e77cf1925d2d6c68727fe2a2aeb6292ff597f2b5f3b1bc79f17357ce07
SSDEEP

3072:5lSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd28GkFY:vnS62Fl+pkeJl3CvRStrFl+EYN

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/2384-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2384-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1288	2384	WerFault.exe	28

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 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2872 wrote to memory of 2384	2872	rundll32.exe	28
PID 2384 wrote to memory of 1288	2384	rundll32.exe	29
PID 2384 wrote to memory of 1288	2384	rundll32.exe	29
PID 2384 wrote to memory of 1288	2384	rundll32.exe	29
PID 2384 wrote to memory of 1288	2384	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5ba102859b31024cc08e68e9f4ede35cb21bb8672aa4f9c9609cba08faa704b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5ba102859b31024cc08e68e9f4ede35cb21bb8672aa4f9c9609cba08faa704b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 256
    3⤵
    - Program crash
    PID:1288

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/2384-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2384-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2384-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2384-4-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download