dridex | 7790f417633adc47d7b1970ac94ad07b17383d44d6ab5e9dceffeac0a13c047a

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:52

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General

Target

JaffaCakes118_7790f417633adc47d7b1970ac94ad07b17383d44d6ab5e9dceffeac0a13c047a.dll
Size

161KB
MD5

e50818ddf43350a68923b43898206e04
SHA1

5ebaf6afe7733d5cb4dec7cff9304e8698a38931
SHA256

7790f417633adc47d7b1970ac94ad07b17383d44d6ab5e9dceffeac0a13c047a
SHA512

885837429ae643e244bb942b9fb0c2ee9c024c92c155edc70c1fab2a9512ebbf7d225feb066f4c3906475ce653d9329c5d3afcab8be77df68079e32b73f98562
SSDEEP

3072:1aSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:InS62Fl+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/2424-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2424-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1428	2424	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 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 1312 wrote to memory of 2424	1312	rundll32.exe	30
PID 2424 wrote to memory of 1428	2424	rundll32.exe	32
PID 2424 wrote to memory of 1428	2424	rundll32.exe	32
PID 2424 wrote to memory of 1428	2424	rundll32.exe	32
PID 2424 wrote to memory of 1428	2424	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7790f417633adc47d7b1970ac94ad07b17383d44d6ab5e9dceffeac0a13c047a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7790f417633adc47d7b1970ac94ad07b17383d44d6ab5e9dceffeac0a13c047a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 256
    3⤵
    - Program crash
    PID:1428

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/2424-0-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2424-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2424-4-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download