Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 17:09

General

  • Target

    202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe

  • Size

    774KB

  • MD5

    801a00a6c89dcb9b7839a53eccfc8fc1

  • SHA1

    eb9ee227ca410890e51d954de4b63e1cca69f0ad

  • SHA256

    202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3

  • SHA512

    c2a329b139bd110e2550dcd63ba496f9b55196b259a33241067812a00ca6860eaf6023ed90fa02b9ec76212b660dcab135cddfef6dd49ea05421d897764df4c8

  • SSDEEP

    12288:r/at8TRzWQs9YC3VSZyw3cZY+0SOjwlXLzHYUKTOsh:rit8TRzYz3VSZ0ZE1MlbzHYBOs

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .wdlo

  • offline_id

    i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1

  • payload_url

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

    http://fuyt.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-0S984cQ4B3 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: 0430JIjdm

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 15 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
    "C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\lgYdZ.exe
      C:\Users\Admin\AppData\Local\Temp\lgYdZ.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\7ccb1d0b.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2736
    • C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
      "C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\aba2e54c-f996-4eeb-be9f-5ecc76e9c16f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2024
      • C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
        "C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Users\Admin\AppData\Local\Temp\lgYdZ.exe
          C:\Users\Admin\AppData\Local\Temp\lgYdZ.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2764
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\7dc94874.bat" "
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2292
        • C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
          "C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    3f009a50039e14a7ad6a5c2c3162a07a

    SHA1

    ece37efbf932213fe7adee727f7d1650337033db

    SHA256

    8d6dfdb760b2b7ab561f997c206df96555acd8481477c961220536df982f0e0b

    SHA512

    eec2e96a9db07cdc83a3123ae1735f4f83b12b7bb99674e9b73ea36babf1b631f2246e43f6a20999e785ce99f18550000a518aadcb9b8158240d4bf32a9fb41a

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

    Filesize

    342B

    MD5

    3f84086f6ed66c4aad842069a1b657d9

    SHA1

    7826b5ca6afbbbddbe95e0a528b825cf01baa664

    SHA256

    62738dce196d9c59eefac8d3d35c56b2688ed33592949bfcbd44035f20b83089

    SHA512

    c7d55488a6219e3ae86d7ef1dad9009df03bd992b6e38f22ed2b9b24c0d84a927a2a031fa8cd62a1f53ff12e7909fc856ecfcc7e0c8bc810229d9e9969910cec

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    d4004313ba8af28ec1366cccafc3279f

    SHA1

    4a705a30966b8ca6389599882f9f5eefdfe749d6

    SHA256

    51c558b5248c4b92b9fd474f8541edcb5f8619de1445733ccd4576ffc7e28367

    SHA512

    1a7be546a5d71c26bac79512d7ff1a965d09c9b385247e8fe066bbb0c3a52f23f431eb4bb85b9d1ddea2a85d9730e880ba53828eb96ad53f93bf4b44d87471df

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Z7V06J7Q\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\35A55781.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\7ccb1d0b.bat

    Filesize

    185B

    MD5

    2b452b6a8af26ded87d61fe28e524929

    SHA1

    5f4376af5323e909ceb02c5ec8fa31c7c3962e20

    SHA256

    21af7bd8327954c853d4f15c8fa84ffca8ad7c383d96d99eec4d2f5ed1c05dba

    SHA512

    a758cb84dfa27fa9a7ee40925fcb99590770219c64d0ee6b4999eabec58187b796278b89826d513a3b03433860368aa9969378789944f693b6b4d3d592af4069

  • C:\Users\Admin\AppData\Local\Temp\7dc94874.bat

    Filesize

    185B

    MD5

    71a0f3421a15c1844b4f91fc8149b547

    SHA1

    891717fb89987990823a318f3efa3adaaea9c570

    SHA256

    74343f0c9f38384c82f4e78fae5d346a076849cb25b8ccaceb857ff9b8403461

    SHA512

    b4cb54b4f9b31801a43b110547cb40a4477bbb46ac2c9491a94e9e8cf5d483043b93ee7b3c51cef4f4fc45614a2d62145cd2d0b97800fe485bcaf8ee3a9aebb3

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\aba2e54c-f996-4eeb-be9f-5ecc76e9c16f\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe

    Filesize

    774KB

    MD5

    801a00a6c89dcb9b7839a53eccfc8fc1

    SHA1

    eb9ee227ca410890e51d954de4b63e1cca69f0ad

    SHA256

    202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3

    SHA512

    c2a329b139bd110e2550dcd63ba496f9b55196b259a33241067812a00ca6860eaf6023ed90fa02b9ec76212b660dcab135cddfef6dd49ea05421d897764df4c8

  • \Users\Admin\AppData\Local\Temp\lgYdZ.exe

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/432-115-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/432-111-0x0000000000580000-0x0000000000611000-memory.dmp

    Filesize

    580KB

  • memory/432-98-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

    Filesize

    36KB

  • memory/432-99-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

    Filesize

    36KB

  • memory/1684-56-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/1684-65-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/1684-4-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/1684-63-0x0000000002110000-0x0000000002215000-memory.dmp

    Filesize

    1.0MB

  • memory/1684-9-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/1684-62-0x0000000000510000-0x000000000062B000-memory.dmp

    Filesize

    1.1MB

  • memory/1684-57-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/1684-1-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/1684-66-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/1716-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-129-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-114-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-130-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-128-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-145-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1716-143-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2372-54-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/2372-12-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/2748-58-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-87-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2748-86-0x0000000003970000-0x0000000003A75000-memory.dmp

    Filesize

    1.0MB

  • memory/2748-85-0x0000000003960000-0x0000000003A65000-memory.dmp

    Filesize

    1.0MB

  • memory/2748-60-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2748-64-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2748-67-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2764-100-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

    Filesize

    36KB