dridex | 3b4be1f749677bb59bc4b4c21795ff30e1a6d0ae150915b3129a972bd99dc701

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:35

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General

Target

JaffaCakes118_3b4be1f749677bb59bc4b4c21795ff30e1a6d0ae150915b3129a972bd99dc701.dll
Size

184KB
MD5

975db4b00b6d9fd5b68809ef8e18b52c
SHA1

713b3902c2d3126541f5782d0292f4deb696a3bf
SHA256

3b4be1f749677bb59bc4b4c21795ff30e1a6d0ae150915b3129a972bd99dc701
SHA512

29a3c1d40099ed80df9ab1a77f78534ef26b35dfcff6f9c8232856c2f958979fd17f0e1fb00c4565c9ad39fffa8465de152f9012df7b4a82280e43e9ad696c3c
SSDEEP

3072:KiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao+lzoxss7:KiLVCIT4WK2z1W+CUHZj4Skq/eaocoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2280-0-0x0000000074710000-0x000000007473F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	2280	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 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 2280 wrote to memory of 2332	2280	rundll32.exe	29
PID 2280 wrote to memory of 2332	2280	rundll32.exe	29
PID 2280 wrote to memory of 2332	2280	rundll32.exe	29
PID 2280 wrote to memory of 2332	2280	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b4be1f749677bb59bc4b4c21795ff30e1a6d0ae150915b3129a972bd99dc701.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b4be1f749677bb59bc4b4c21795ff30e1a6d0ae150915b3129a972bd99dc701.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 220
    3⤵
    - Program crash
    PID:2332

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/2280-2-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

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memory/2280-0-0x0000000074710000-0x000000007473F000-memory.dmp

Filesize
188KB

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