General

  • Target

    Service.exe

  • Size

    400KB

  • Sample

    220804-splwqsgce4

  • MD5

    9519c85c644869f182927d93e8e25a33

  • SHA1

    eadc9026e041f7013056f80e068ecf95940ea060

  • SHA256

    f0dc8fa1a18901ac46f4448e434c3885a456865a3a309840a1c4ac67fd56895b

  • SHA512

    dcc1dd25bba19aaf75ec4a1a69dc215eb519e9ee3b8f7b1bd16164b736b3aa81389c076ed4e8a17a1cbfaec2e0b3155df039d1bca3c7186cfeb9950369bccf23

Malware Config

Extracted

Family

privateloader

C2

http://163.123.143.4/proxies.txt

http://107.182.129.251/server.txt

pastebin.com/raw/A7dSG1te

http://wfsdragon.ru/api/setStats.php

163.123.143.12

http://91.241.19.125/pub.php?pub=one

http://sarfoods.com/index.php

Attributes
  • payload_url

    https://vipsofts.xyz/files/mega.bmp

Extracted

Family

nymaim

C2

208.67.104.9

212.192.241.16

Extracted

Family

djvu

C2

http://acacaca.org/test2/get.php

Attributes
  • extension

    .vvyu

  • offline_id

    rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://acacaca.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-QsoSRIeAK6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0531Jhyjd

rsa_pubkey.plain

Targets

    • Target

      Service.exe

    • Size

      400KB

    • MD5

      9519c85c644869f182927d93e8e25a33

    • SHA1

      eadc9026e041f7013056f80e068ecf95940ea060

    • SHA256

      f0dc8fa1a18901ac46f4448e434c3885a456865a3a309840a1c4ac67fd56895b

    • SHA512

      dcc1dd25bba19aaf75ec4a1a69dc215eb519e9ee3b8f7b1bd16164b736b3aa81389c076ed4e8a17a1cbfaec2e0b3155df039d1bca3c7186cfeb9950369bccf23

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • NyMaim

      NyMaim is a malware with various capabilities written in C++ and first seen in 2013.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks