dridex | f91b897bc5b6dc6e70923cb99c9df23955519f2576412990dc2a664d350918dc

Analysis

max time kernel
63s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 22:48

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General

Target

JaffaCakes118_f91b897bc5b6dc6e70923cb99c9df23955519f2576412990dc2a664d350918dc.dll
Size

188KB
MD5

c77fb9f59f94356503f1abe2aebad001
SHA1

83c785e2f68782e10d255d1cb615f3eb05bfc086
SHA256

f91b897bc5b6dc6e70923cb99c9df23955519f2576412990dc2a664d350918dc
SHA512

a5a29a4c940eea53a48436637f139ee3f9494fb655646117ef0be5492a0ab03e6b70282cade817fd58fc2cc57d989f8217ae5070b243b4dfe9400c24342518c3
SSDEEP

3072:kteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzA9qM:Yq7fYIHBZkTB6DWruUCOwjt

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/2368-0-0x0000000074810000-0x0000000074840000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	2368	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 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 1464 wrote to memory of 2368	1464	rundll32.exe	30
PID 2368 wrote to memory of 2800	2368	rundll32.exe	31
PID 2368 wrote to memory of 2800	2368	rundll32.exe	31
PID 2368 wrote to memory of 2800	2368	rundll32.exe	31
PID 2368 wrote to memory of 2800	2368	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f91b897bc5b6dc6e70923cb99c9df23955519f2576412990dc2a664d350918dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f91b897bc5b6dc6e70923cb99c9df23955519f2576412990dc2a664d350918dc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 300
    3⤵
    - Program crash
    PID:2800

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/2368-0-0x0000000074810000-0x0000000074840000-memory.dmp

Filesize
192KB

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memory/2368-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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