General

  • Target

    L22_File.zip.virus

  • Size

    6.4MB

  • Sample

    220905-pcrpnsgfer

  • MD5

    72a9f4e777d2f5046a47a5d580986444

  • SHA1

    3d64114624dc2f1c96485cb7c193ea95fab4f731

  • SHA256

    ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

  • SHA512

    23eddd86be0fed3f86de09378c55f85b0e47f967432edb079abb242fb046693c8d58734a32784e65729ca538e5492dddc18c498c7986b88da4302bb9420395ec

  • SSDEEP

    196608:Tjfhn41BNL8oYEzjTy1vt2Dv4WoeUnpxQS+i+:vZn41B95j2vt2sci+

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    45.153.240.254
  • Port:
    21
  • Username:
    ftpuser
  • Password:
    giccxVK38WFS

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

djvu

C2

http://acacaca.org/test3/get.php

Attributes
  • extension

    .oovb

  • offline_id

    6GXhR4uyHH9NXT2qot14T0HeNSviNKH0Q6PGVNt1

  • payload_url

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

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

redline

Botnet

nam6

C2

103.89.90.61:34589

Attributes
  • auth_value

    5a3b5b1f2e8673a71b501e4a670a3f3a

Extracted

Family

raccoon

Botnet

ad82482251879b6e89002f532531462a

C2

http://89.185.85.53/

rc4.plain

Extracted

Family

redline

Botnet

@fuschlock

C2

5.182.36.101:31305

Attributes
  • auth_value

    75217e9ad4340e68bc1f7002a503fe3c

Extracted

Family

redline

Botnet

ruzek123

C2

185.241.54.113:31049

Attributes
  • auth_value

    77ecfacb3a10f70b2012b0b8d8113c3d

Extracted

Family

redline

Botnet

3108_RUZKI

C2

213.219.247.199:9452

Attributes
  • auth_value

    f71fed1cd094e4e1eb7ad1c53e542bca

Extracted

Family

redline

Botnet

Andriii_ff

C2

109.107.181.244:41535

Attributes
  • auth_value

    0318e100e6da39f286482d897715196b

Targets

    • Target

      Install.exe

    • Size

      435.0MB

    • MD5

      2a27acc2f6b26b15d6d839d43a6b6bc0

    • SHA1

      661dca9bd343226ae54da0e21f12ef1e181b1776

    • SHA256

      006fd40f696d274a44535fcf35d6130445842b148115db48c5b859a8519cdc77

    • SHA512

      ebf8bfdf7529429a400ad39d473da0e43752c6cd16dffaadd067e38b3e0c9991664217d15931a73f7f78a0160cdbd4f5710699d2f293c1638ae8d1ed5f7940ee

    • SSDEEP

      98304:Ak/AHdxT8BEU8MkJwe65adTX4a2tYsUxKr76hwrrKqdSlwrWL:Ak/i8jkJjLd8a2UxIzGwyL

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • YTStealer

      YTStealer is a malware designed to steal YouTube authentication cookies.

    • YTStealer payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • Checks whether UAC is enabled

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      langs/Hungarian.ini

    • Size

      107KB

    • MD5

      7591df7fae4342cbc7a0706e1b28e87b

    • SHA1

      825e88ad498e8713522f5aef3b21ee01d6fa8b41

    • SHA256

      fe9997629d296908247a2e82da6c369e2ea7eb4c87b12fc7c8d3ecb3e6fc320d

    • SHA512

      8f58c6fbaf5ea140a3ecbbc88cbf4bdd0e0ba3fbdf169f4b7cb831094a47a6ead103f89fc07748f91d1396ebd13c7ebcc90a316f0eb203ff4c86a50be5cd3ca4

    • SSDEEP

      3072:UaKBsDgGod8NAH4iyf8kXrLfKgL6YhL+L3yGU:73X

    Score
    1/10
    • Target

      langs/Korean.ini

    • Size

      91KB

    • MD5

      efae0c78be2abe2920c78b9d4785ab45

    • SHA1

      8c0799fb68852cb071bbe260deb4ab357bd5f4ed

    • SHA256

      ad556989f6e4a683d9668e41d2d7175b7b46847c2eef26188b9075fc600d0132

    • SHA512

      44737be4d4bd0f93ca3e986c89102612932f3749b8e9b89446a567cff60ceb856b4bd7380da7fe3f1809579e6ec2162d0cdd4a217935a4961c6b36a482dd4ac8

    • SSDEEP

      768:wPYhkzQl6qE7rY+xuPAsyKVmq8Ag8lyWqFk5ziCfsg8S+EZNlWJ7lxyBiCWfbMav:HSzQlc7siCmq8AFlBmLfbNA2Nt7osVP

    Score
    1/10

MITRE ATT&CK Enterprise v6

Tasks