dridex | 3f39b4cd1e893cbdedfc9377985186a1dc0197137900b28c0278a3b08098e956

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 17:27

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General

Target

JaffaCakes118_3f39b4cd1e893cbdedfc9377985186a1dc0197137900b28c0278a3b08098e956.dll
Size

163KB
MD5

8fe04d2fb05c42103b1c60dff9ad32ed
SHA1

ea486127203ea714ebd1c0cef98674f186d98e50
SHA256

3f39b4cd1e893cbdedfc9377985186a1dc0197137900b28c0278a3b08098e956
SHA512

bf4be0c73d1cee0b4034b6b97467afb55172cf48fade1a4cd0f5a53c313985e745e95f4c6a2f920aa5bf6c8948049415974d57e95e4b6ec832d8e2b2ce2753fe
SSDEEP

3072:aar6Ys6p54kfdo+APr0aYSbeO6aal8jeytFQTOpp2J:cs4p+ADxnSO6D2cOp

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/3044-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1040	3044	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 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3044 wrote to memory of 1040	3044	rundll32.exe	31
PID 3044 wrote to memory of 1040	3044	rundll32.exe	31
PID 3044 wrote to memory of 1040	3044	rundll32.exe	31
PID 3044 wrote to memory of 1040	3044	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f39b4cd1e893cbdedfc9377985186a1dc0197137900b28c0278a3b08098e956.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f39b4cd1e893cbdedfc9377985186a1dc0197137900b28c0278a3b08098e956.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 236
    3⤵
    - Program crash
    PID:1040

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/3044-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3044-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3044-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download