dridex | fc0d43775e98ebf35fbdffbc429a09fde7c6331b9c01c468a4f7ed73b226b76c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 22:05

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General

Target

JaffaCakes118_fc0d43775e98ebf35fbdffbc429a09fde7c6331b9c01c468a4f7ed73b226b76c.dll
Size

188KB
MD5

1cb5efa65e1a8c50117d5296e00d6466
SHA1

a7832a9895a88982e762e53d7f89722cadb53429
SHA256

fc0d43775e98ebf35fbdffbc429a09fde7c6331b9c01c468a4f7ed73b226b76c
SHA512

df6799aed1afcb9b43d56d7958a2b388d5e855393e30491559ca7d38a7a26695c5fc8a35b510e55bd8125b80296982e865925cac96f64f7c12530e37ce229b08
SSDEEP

3072:4A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoJo:4zIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/1888-1-0x0000000074E80000-0x0000000074EB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	1888	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 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1736 wrote to memory of 1888	1736	rundll32.exe	30
PID 1888 wrote to memory of 2092	1888	rundll32.exe	31
PID 1888 wrote to memory of 2092	1888	rundll32.exe	31
PID 1888 wrote to memory of 2092	1888	rundll32.exe	31
PID 1888 wrote to memory of 2092	1888	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc0d43775e98ebf35fbdffbc429a09fde7c6331b9c01c468a4f7ed73b226b76c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc0d43775e98ebf35fbdffbc429a09fde7c6331b9c01c468a4f7ed73b226b76c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 300
    3⤵
    - Program crash
    PID:2092

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/1888-0-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1888-1-0x0000000074E80000-0x0000000074EB0000-memory.dmp

Filesize
192KB

Download
memory/1888-3-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download