dridex | 3b70bfc04d6b7be32e4d91c5cdfea89fb5442b0b2af5e9a56822c4ca8915b649

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:52

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General

Target

JaffaCakes118_3b70bfc04d6b7be32e4d91c5cdfea89fb5442b0b2af5e9a56822c4ca8915b649.dll
Size

188KB
MD5

4169e00f4bd7f0676add4c5104695ed3
SHA1

e49ca5bc046714b932e029a187f6e8964b5326ad
SHA256

3b70bfc04d6b7be32e4d91c5cdfea89fb5442b0b2af5e9a56822c4ca8915b649
SHA512

5169d9c3883204206d9f7c9e8d828cdcac45eefebc24e4f0c6be8ea55285f96fe164ccfc9822c8dde1303e9218aebc2921a546ba8e36cf2cd96f69c299aafd2b
SSDEEP

3072:TteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzn9qM:bq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/1740-1-0x0000000074550000-0x0000000074580000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1512	1740	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 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1740 wrote to memory of 1512	1740	rundll32.exe	31
PID 1740 wrote to memory of 1512	1740	rundll32.exe	31
PID 1740 wrote to memory of 1512	1740	rundll32.exe	31
PID 1740 wrote to memory of 1512	1740	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b70bfc04d6b7be32e4d91c5cdfea89fb5442b0b2af5e9a56822c4ca8915b649.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b70bfc04d6b7be32e4d91c5cdfea89fb5442b0b2af5e9a56822c4ca8915b649.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 300
    3⤵
    - Program crash
    PID:1512

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/1740-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1740-1-0x0000000074550000-0x0000000074580000-memory.dmp

Filesize
192KB

Download
memory/1740-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download