Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2023, 19:51

General

  • Target

    1.bin.exe

  • Size

    844KB

  • MD5

    98eedc4376c0716025cd9d26c62990b1

  • SHA1

    cd80b88b320590c38d09f85d9cbb71f19ef2d199

  • SHA256

    45bdc7cb0d2dd526eb9a782b0d948eb0ca86204c51b2252a0c910bb7fef0b6a5

  • SHA512

    6205757675c4b05c4e3effa003cafbdfd6c2451d4c509b9cb558a8360b9a1df6af77515f0c5e931259400f77263a729ffa0335b5b466724e6f73a0a75d21d982

  • SSDEEP

    12288:1hOWC0cUIbpUPkiCSQsET8ZMn1LSzP0Jiue6Zs9YzPO8bRIT0vDcM7wUVxBV96+M:1NCa8J93sMny8f7c4Fb71wUV7aVh

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .qapo

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • payload_url

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

    http://zexeq.com/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-zUVSNg4KRZ 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0663Iopd

rsa_pubkey.plain

Extracted

Family

vidar

Version

3

Botnet

d6ef050131e7d5a1d595c51613328971

C2

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes
  • profile_id_v2

    d6ef050131e7d5a1d595c51613328971

Signatures

  • Detected Djvu ransomware 14 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 4 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\1.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\1.bin.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\c1093c50-f30e-4d31-a1f8-75fde279f5c8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1924
      • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
        "C:\Users\Admin\AppData\Local\Temp\1.bin.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1096
        • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
          "C:\Users\Admin\AppData\Local\Temp\1.bin.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1500
          • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe
            "C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1588
            • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe
              "C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system certificate store
              PID:240
          • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build3.exe
            "C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build3.exe"
            5⤵
            • Executes dropped EXE
            PID:364
            • C:\Windows\SysWOW64\schtasks.exe
              /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
              6⤵
              • Creates scheduled task(s)
              PID:1544
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A9C24D34-A233-4157-A20B-0BFC4E7FA206} S-1-5-21-3948302646-268491222-1934009652-1000:KXZDHPUW\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1524
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    2KB

    MD5

    cdc105f9b440a6e48a5668a56bb20df4

    SHA1

    3876d7213409b27f4934ef8062b2bd49ce1fd8e7

    SHA256

    6613baac61b4482d1476ef01e7f877ff4cf301375d9069d45defd5054f23b2f0

    SHA512

    52ae1d9b4d4d9fc2822c916a9fc3f46a604090cd063200e48a28d12eea73e28bec1dc3458c7baef56fe0a696b36373c29de3138214efea0e2a648cf7da7620df

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    1KB

    MD5

    110cf742e7da59e417e5b51e23c5a044

    SHA1

    2fe4ee009a9a99de850dd8d6d92c9d4837f444d2

    SHA256

    ebe97ccfc0c50239665d939f865896143ffcb6921361e18dcba32b3bfa19a633

    SHA512

    117498742030a11f129b3b3281f304ad50c53dd39d638af0ad0f6234a1207efc6622d5d886806b376e7ae773feef177afc74449adbda16a40b31588017d5c4a7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    488B

    MD5

    2066d78517049093a4f49659937adf72

    SHA1

    36458821c98272ded120a829f3683126efc5a06e

    SHA256

    e19a2c1f03221de813314390a1ca7862adc0157b129482688b41cbce27864e92

    SHA512

    f2055693b4b0022aaeb2b23939b728190f51dc908911aff1cf321ec56efa1f794d5e75e75c2a50f798386656a77ff5b45537bba50bf91b223251087437e7d5e5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    304B

    MD5

    98e37147b9939608aaa6b80ff9abdff2

    SHA1

    6fd21fdbd84a6160166646cb9d679482c22bc4c5

    SHA256

    2078e006902f2a6a8b11ae83683f4de21c643ef97487103f678bb82e77f61a03

    SHA512

    ecb38a61bfb69193df887a2668d43672acae7792f702ab68f6248cbd1506566a179caeebca627d2a415a5854647b649475ad0332fa75ef0324bc07bd2d7d1021

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    482B

    MD5

    ab4356f3efb27e65d4fbcc466e4cfcb4

    SHA1

    fb244b0b9b1efb963d326267cb7ba621f406c398

    SHA256

    49cae41541ec4f348c0e7af03a451ffc904008a6109472098ea5dde65564ac9c

    SHA512

    6f9bf4f8b217b3c59d3f7611b43d69fac6bcd03555c2f909182507f36989d8d3e760d83826895c53ed83c0e3547dfc7348c91d3c59ff4798605e8091789f4246

  • C:\Users\Admin\AppData\Local\Temp\Tar5082.tmp

    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\c1093c50-f30e-4d31-a1f8-75fde279f5c8\1.bin.exe

    Filesize

    844KB

    MD5

    98eedc4376c0716025cd9d26c62990b1

    SHA1

    cd80b88b320590c38d09f85d9cbb71f19ef2d199

    SHA256

    45bdc7cb0d2dd526eb9a782b0d948eb0ca86204c51b2252a0c910bb7fef0b6a5

    SHA512

    6205757675c4b05c4e3effa003cafbdfd6c2451d4c509b9cb558a8360b9a1df6af77515f0c5e931259400f77263a729ffa0335b5b466724e6f73a0a75d21d982

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • \Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • \Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • \Users\Admin\AppData\Local\b43ce94a-dfaa-424e-b6ed-c1e117d21209\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • memory/240-146-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/240-198-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/240-142-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/240-211-0x0000000050EB0000-0x0000000050FA3000-memory.dmp

    Filesize

    972KB

  • memory/240-253-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1096-98-0x0000000002C10000-0x0000000002CA1000-memory.dmp

    Filesize

    580KB

  • memory/1500-126-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-104-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-206-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-127-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-124-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-120-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-119-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1500-118-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1588-145-0x0000000000230000-0x000000000028D000-memory.dmp

    Filesize

    372KB

  • memory/1744-97-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1744-60-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1744-59-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1744-56-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1744-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2016-54-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/2016-58-0x00000000044D0000-0x00000000045EB000-memory.dmp

    Filesize

    1.1MB