General

  • Target

    7zS850A099E.zip

  • Size

    6.4MB

  • Sample

    220119-j26l8sgcbj

  • MD5

    3d48b7e12b7b19fc0a0dc993f61b1479

  • SHA1

    a6bc19d6b6d3d8a9993aa6f96ee9743cbe898354

  • SHA256

    3a16c941223ae24e33b62e925575669a52f7993765aadf075a8bea5decd8a836

  • SHA512

    4d1e3560a00dd81e3dad217d26a43d3ddaa3ed2becb63cf10985fb9f8d193a6b5f5aa05eeb11865f0714ce97aea56ca4e787fe5a4f1544be9b964fe44c9328a9

Malware Config

Extracted

Family

socelars

C2

http://www.kvubgc.com/

http://www.nvdmzf.com/

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://nahbleiben.at/upload/

http://noblecreativeaz.com/upload/

http://tvqaq.cn/upload/

http://recmaster.ru/upload/

http://sovels.ru/upload/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

vidar

Version

49.6

Botnet

937

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    937

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes
  • extension

    .vfgj

  • offline_id

    WogvSfoAvBR96w6Ci56Ga0byuMMEjbGykQPsIXt1

  • payload_url

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

    http://tzgl.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-Xk9HCEGEfF 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@sysmail.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0373UIhfSd

rsa_pubkey.plain

Extracted

Family

vidar

Version

49.6

Botnet

517

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    517

Targets

    • Target

      7zS850A099E/61e74fd2175cb_Tue23956aa60ed.exe

    • Size

      312KB

    • MD5

      e5a07be6c167ccf605ba9e6a0608e141

    • SHA1

      d50547756f224ebaf38efc1b2e5134b6caa272ba

    • SHA256

      449fb91c32af2d722f418ab4ee0747d0b7457ba69496b2d8f894e6045d69e1e4

    • SHA512

      b66a844121bd42707aab3200f5e2a01765bd00ea3b958e09baeca9cd6856005a17474e72a9635184046d92205be3baf6677951fd8eb42ccebe687efb8b30f13b

    Score
    10/10
    • Process spawned unexpected child process

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

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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 SetThreadContext

    • Target

      7zS850A099E/61e74fd3252fe_Tue23df2ad021a.exe

    • Size

      381KB

    • MD5

      996061fe21353bf63874579cc6c090cc

    • SHA1

      eeaf5d66e0ff5e9ddad02653c5bf6af5275e47e9

    • SHA256

      b9dad89b3de1d7f9a4b73a5d107c74f716a6e2e89d653c48ab47108b37ad699a

    • SHA512

      042ea077acfc0dff8684a5eb304af15177c4e6f54c774471b8091669b1ab16833894ca7a52917f8a6bbeacbb6532db521cea61d70ac4c5c992cb4896083d6c93

    Score
    10/10
    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target

      7zS850A099E/61e74fd41f841_Tue2365aa82b7.exe

    • Size

      267KB

    • MD5

      9e967a473010b430f5bde8d23b0cb9a6

    • SHA1

      eed882f8ff642d0da9e89371e3ce75c1be317ad2

    • SHA256

      66b03cc7950fb0df8607d07c4bdd45c74d2da333dcdbd97c5192c8b36b5ce039

    • SHA512

      8916a36c24da3ef89066e226179e32ac3714ad72965e42f14fd38c6387c61c82118e519633f3ba628f5d3d5a45d237bdca7d6325d22599b2948503b0f2866fb7

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Deletes itself

    • Suspicious use of SetThreadContext

    • Target

      7zS850A099E/61e74fd53f766_Tue23ec97445e.exe

    • Size

      160KB

    • MD5

      8f70a0f45532261cb4df2800b141551d

    • SHA1

      521bbc045dfb7bf9fca55058ed2fc03d86cf8d00

    • SHA256

      aa2c0a9e34f9fa4cbf1780d757cc84f32a8bd005142012e91a6888167f80f4d5

    • SHA512

      3ea19ee472f3c7f9b7452fb4769fc3cc7591acff0f155889d08dadbd1f6ae289eaa310e220279318ac1536f99ea88e43ff75836aee47f3b4fbe8aa477cb9d099

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      7zS850A099E/61e74fd78769f_Tue234b6c24d9a0.exe

    • Size

      1.4MB

    • MD5

      435a69af01a985b95e39fb2016300bb8

    • SHA1

      fc4a01fa471de5fcb5199b4dbcba6763a9eedbee

    • SHA256

      d5cdd4249fd1b0aae17942ddb359574b4b22ff14736e79960e704b574806a427

    • SHA512

      ea21ff6f08535ed0365a98314c71f0ffb87f1e8a03cdc812bbaa36174acc2f820d6d46c13504d9313de831693a3220c622e2ae244ffbcfe9befcbc321422b528

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Target

      7zS850A099E/61e74fd8ef830_Tue23593425095.exe

    • Size

      1.6MB

    • MD5

      c4e681d218d1c9c4efe701b4c7554eb5

    • SHA1

      c3b43d0fbc5ad442067546b9d40c16810bb379da

    • SHA256

      825a970bd11d349ba089e70419036c01ebb8cfd06e4abbec6bf58e9c7566a5e6

    • SHA512

      b8d4ee6093835b0ec398f8884097db0bf1026e581743151241fb1489b061ba463dacf35b9af17f49ddc9d22769e9ebd763d9bfdb7e4d99e47a4e256c493ba3b5

    Score
    7/10
    • Checks computer location settings

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

    • Loads dropped DLL

    • Target

      7zS850A099E/61e74fda51500_Tue23260baecb.exe

    • Size

      266KB

    • MD5

      49edc32bbb405b39d7f2b7fe1b8df04f

    • SHA1

      e6dd0214ee693e6b90ba1293c840327894772644

    • SHA256

      5a14c836ca0af97881c91393b48232f81953b304acab8e42abf562cb02971f0a

    • SHA512

      da0c36951c498d43d243fa28a153e90336ca49277f08c3a282914293958876c55ad72b26535575a344d4553fb30f5aa517d386e58960fa10358d56f9dbd3cc54

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • Vidar Stealer

    • mimikatz is an open source tool to dump credentials on Windows

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      7zS850A099E/61e7501ab629f_Tue23c4645058.exe

    • Size

      405KB

    • MD5

      031f38d24ae18e9d3d3b878b9b1d8902

    • SHA1

      b089e0f0d1809873b2d8d86e9c72f9136efa9983

    • SHA256

      23facfbb54ebef4f301cd273be87ce89ae421f2cf2f79ebbc0e5338a54b4c356

    • SHA512

      278dac8cbc45ad9e758da3f368e7f72e01b5e59d79c7176bfdf90a2bf1caf89f29c8852c66bff25c5ae8b4395724f54c8525e83881c1cd1f5b6ccd175852241d

    Score
    7/10
    • Deletes itself

    • Target

      7zS850A099E/61e7501b7eabe_Tue2344597f.exe

    • Size

      527KB

    • MD5

      8e0bc14c20fd607593967f164bbf08b5

    • SHA1

      f68dc21b6352302d36cb1953ac0065e30d1ca6b0

    • SHA256

      af8fbb1b23a21d1be75abcbb8d7c8447ec0c3b309fcfb407a91576a06070dcfe

    • SHA512

      71cb5f5cfc5bb858a3ec2b7cf94d1d0652b5b66c505c4016c9d86e19ba86352d5f8f332df11be163c4aa1d3d36fc892bcc5bd5f2fbd6a383cd4e36c9885c7639

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

    • Target

      7zS850A099E/61e7501c830d6_Tue23bdf4712a32.exe

    • Size

      523KB

    • MD5

      c7f26d8e0ac6d899d6febd75f81f9cc3

    • SHA1

      113fe52d0562fa3b591dffd633f0d3d6db4feee8

    • SHA256

      762433792d60c6c384fca690a8b3b5ef9e2390fd18ad0abdec248229bd5d89bc

    • SHA512

      6848bff0d6e6302598faf274e35cb46c5b076937098a15558a199fded52d65a6486a4ae7cb9f756ea01c5fe4a685759bb6d1bf60fcf794528548830683aaee64

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

    • Target

      7zS850A099E/61e7501db65f3_Tue23c7b395c3.exe

    • Size

      1.6MB

    • MD5

      79400b1fd740d9cb7ec7c2c2e9a7d618

    • SHA1

      8ab8d7dcd469853f61ca27b8afe2ab6e0f2a1bb3

    • SHA256

      556d5c93b2ceb585711ccce22e39e3327f388b893d76a3a7974967fe99a6fa7f

    • SHA512

      3ed024b02d7410d5ddc7bb772a2b3e8a5516a16d1cb5fac9f5d925da84b376b67117daf238fb53c7707e6bb86a0198534ad1e79b6ebed979b505b3faf9ae55ac

    Score
    8/10
    • Executes dropped EXE

    • UPX packed file

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

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Target

      7zS850A099E/61e7502b8389b_Tue233252e9.exe

    • Size

      362KB

    • MD5

      bd97b9bdb9e842a76d084d9aae2157dc

    • SHA1

      05855bb520005e4105f053d40c464cb8c7b2f2d0

    • SHA256

      c739d1ae35aa6c63fb6f07b529bd25f77aad42260ed8a95a69487216fbb2b718

    • SHA512

      3e5112f757f7e54399b14d4a00c695a1268f1cf4534db95fa3e7529c437add41b4cf5429747635c16d8fbe1c0123e4522a8b08867ede9de3b5c73b75987a2c32

    Score
    6/10
    • Legitimate hosting services abused for malware hosting/C2

    • Target

      7zS850A099E/61e7502c4cff3_Tue232cba58c.exe

    • Size

      666KB

    • MD5

      81d975ad4ca267db5d3c50ea5875a563

    • SHA1

      be11fb5a16735249000a48279cd1bd7aa8b06d90

    • SHA256

      c724232309617b23a487c1713f4c90680354928f1d5f67200cdbe15e1421e43a

    • SHA512

      ab822f7a07bbc124ea000afcd27c7c9981ce82d032e80369ba65959c5f83f28e15bec33cd9d5b740b41511bb7c7b15133739ace59f46cc13489d66d9e8e16df3

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Target

      7zS850A099E/61e7502f007f3_Tue23d6fecf8c.exe

    • Size

      116KB

    • MD5

      b8ecec542a07067a193637269973c2e8

    • SHA1

      97178479fd0fc608d6c0fbf243a0bb136d7b0ecb

    • SHA256

      fc6b5ec20b7f2c902e9413c71be5718eb58640d86189306fe4c592af70fe3b7e

    • SHA512

      730d74a72c7af91b10f06ae98235792740bed2afc86eb8ddc15ecaf7c31ec757ac3803697644ac0f60c2e8e0fd875b94299763ac0fed74d392ac828b61689893

    Score
    10/10
    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Legitimate hosting services abused for malware hosting/C2

    • Target

      7zS850A099E/setup_install.exe

    • Size

      2.1MB

    • MD5

      981744adcc06328c94eeafac3985c3a2

    • SHA1

      56ca31c1fc829df9621a6e5f6f3b618b52f83cd0

    • SHA256

      c8e6f3389f92c34f03a775bc3203f02952ae6ffc86353cd53d614f60ded53641

    • SHA512

      7411219660642d5cc1ac56a1dca8ebd8a285f31471e9a5d519a7f52c8a2378044f7780f7401b2c796d537fd2bdda60860fe3c78a5e47d7bb94834821585296ea

    Score
    10/10
    • Process spawned unexpected child process

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

    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Downloads MZ/PE file

    • UPX packed file

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

    • 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

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

2
T1130

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

14
T1081

Discovery

Query Registry

19
T1012

System Information Discovery

21
T1082

Peripheral Device Discovery

3
T1120

Remote System Discovery

2
T1018

Collection

Data from Local System

14
T1005

Command and Control

Web Service

6
T1102

Tasks

static1

aspackv2socelars
Score
10/10

behavioral1

suricata
Score
10/10

behavioral2

Score
10/10

behavioral3

discoverysuricata
Score
10/10

behavioral4

Score
1/10

behavioral5

smokeloaderbackdoortrojan
Score
10/10

behavioral6

smokeloaderbackdoortrojan
Score
10/10

behavioral7

evasionspywarestealertrojan
Score
10/10

behavioral8

smokeloadersocelarsvidar937backdoordiscoveryevasionpersistencespywarestealersuricatatrojanupx
Score
10/10

behavioral9

socelarsdiscoveryspywarestealer
Score
10/10

behavioral10

socelarsspywarestealer
Score
10/10

behavioral11

Score
7/10

behavioral12

Score
7/10

behavioral13

djvumimikatzsmokeloadervidar517backdoorbootkitdiscoverypersistenceransomwarespywarestealersuricatatrojan
Score
10/10

behavioral14

Score
1/10

behavioral15

Score
7/10

behavioral16

Score
1/10

behavioral17

discoveryspywarestealer
Score
7/10

behavioral18

Score
1/10

behavioral19

discoveryspywarestealer
Score
7/10

behavioral20

discoveryspywarestealer
Score
7/10

behavioral21

spywarestealerupx
Score
8/10

behavioral22

spywarestealerupx
Score
8/10

behavioral23

Score
6/10

behavioral24

Score
6/10

behavioral25

discoveryspywarestealer
Score
8/10

behavioral26

Score
1/10

behavioral27

suricata
Score
10/10

behavioral28

suricata
Score
10/10

behavioral29

suricataupx
Score
10/10

behavioral30

Score
1/10