dridex | cb075b7ff1a44ced9d969caf8e2369ff4ae0b9443f5b280067a4aa0a4d2f0550

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 17:39

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General

Target

JaffaCakes118_cb075b7ff1a44ced9d969caf8e2369ff4ae0b9443f5b280067a4aa0a4d2f0550.dll
Size

171KB
MD5

2177fbb06f5f51dd9f8672e1d09c0e7d
SHA1

05c7bbbfaf0a3d8118e7366c888690e29da89c18
SHA256

cb075b7ff1a44ced9d969caf8e2369ff4ae0b9443f5b280067a4aa0a4d2f0550
SHA512

a28c2194fb9d065a44c3769bb096edcb00e4b225e7fe81bf208775831319fbf4c893e5fe338b5a5f79ca7aa404d26d011ec05c9c8956e1318a2c1f9cf22f316d
SSDEEP

3072:ni49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:nH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2128-1-0x0000000074E90000-0x0000000074EC0000-memory.dmp	dridex_ldr
behavioral1/memory/2128-2-0x0000000074E90000-0x0000000074EC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2128	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 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2984 wrote to memory of 2128	2984	rundll32.exe	30
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cb075b7ff1a44ced9d969caf8e2369ff4ae0b9443f5b280067a4aa0a4d2f0550.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cb075b7ff1a44ced9d969caf8e2369ff4ae0b9443f5b280067a4aa0a4d2f0550.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 256
    3⤵
    - Program crash
    PID:2728

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/2128-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000074E90000-0x0000000074EC0000-memory.dmp

Filesize
192KB

Download
memory/2128-3-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2128-2-0x0000000074E90000-0x0000000074EC0000-memory.dmp

Filesize
192KB

Download