dridex | a98b87d32e9d01aeae4097c44e9af4f7e25269d954433c1a75ef17015ab106db

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:05

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General

Target

JaffaCakes118_a98b87d32e9d01aeae4097c44e9af4f7e25269d954433c1a75ef17015ab106db.dll
Size

188KB
MD5

2e04d94bf60e68321499e11842205c74
SHA1

211a0024e3ace1d293b1f3c51c597352a952acb1
SHA256

a98b87d32e9d01aeae4097c44e9af4f7e25269d954433c1a75ef17015ab106db
SHA512

ccf35a63e46d99749f5c532006241c396f755fdb89be2db807499f0939ffbd2a27a8ab8092a2477374ccb218f9668123abbd49b5dad292035d5f4e65a173b65e
SSDEEP

3072:AteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Uq7fYIHBZkTB6DWruUCOwjt

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/2848-0-0x0000000074DF0000-0x0000000074E20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	2848	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 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 2848 wrote to memory of 1892	2848	rundll32.exe	29
PID 2848 wrote to memory of 1892	2848	rundll32.exe	29
PID 2848 wrote to memory of 1892	2848	rundll32.exe	29
PID 2848 wrote to memory of 1892	2848	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a98b87d32e9d01aeae4097c44e9af4f7e25269d954433c1a75ef17015ab106db.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a98b87d32e9d01aeae4097c44e9af4f7e25269d954433c1a75ef17015ab106db.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 300
    3⤵
    - Program crash
    PID:1892

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/2848-0-0x0000000074DF0000-0x0000000074E20000-memory.dmp

Filesize
192KB

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memory/2848-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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