dridex | dac9371aac17707f53f20499ceff96f015cc726f3191104ae287de8c0acc1bcb

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 02:11

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General

Target

JaffaCakes118_dac9371aac17707f53f20499ceff96f015cc726f3191104ae287de8c0acc1bcb.dll
Size

188KB
MD5

5e30ab48ee77819c43a1c71a661e8ad4
SHA1

b41a5fa713d432996831eef0251493e05043450b
SHA256

dac9371aac17707f53f20499ceff96f015cc726f3191104ae287de8c0acc1bcb
SHA512

811194aeeaaf87519acde78de794f773c91035d96d1cc1f6e5a655e4e1d603eb51d3e8b85b38335deeb7601e2cebbf3b79964e2bd8b7786f4a318bd3aab47bf6
SSDEEP

3072:uA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAolo:uzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1600-1-0x0000000074F40000-0x0000000074F70000-memory.dmp	dridex_ldr
behavioral1/memory/1600-2-0x0000000074F40000-0x0000000074F70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1272	1600	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 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1304 wrote to memory of 1600	1304	rundll32.exe	30
PID 1600 wrote to memory of 1272	1600	rundll32.exe	32
PID 1600 wrote to memory of 1272	1600	rundll32.exe	32
PID 1600 wrote to memory of 1272	1600	rundll32.exe	32
PID 1600 wrote to memory of 1272	1600	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dac9371aac17707f53f20499ceff96f015cc726f3191104ae287de8c0acc1bcb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dac9371aac17707f53f20499ceff96f015cc726f3191104ae287de8c0acc1bcb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 300
    3⤵
    - Program crash
    PID:1272

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/1600-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1600-1-0x0000000074F40000-0x0000000074F70000-memory.dmp

Filesize
192KB

Download
memory/1600-2-0x0000000074F40000-0x0000000074F70000-memory.dmp

Filesize
192KB

Download
memory/1600-4-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download