Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2023, 12:53

General

  • Target

    e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe

  • Size

    706KB

  • MD5

    3f1487501f40bf0bded09e3896e0ce04

  • SHA1

    5730c87514f7a8a97e29b0a6220298ed406ff40e

  • SHA256

    e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d

  • SHA512

    413ac8d8d3fe3071b4b299d7bbfa3351af6aa5397aeb339167fbcd7e5621b90334576123ec3c2e1cf969a1de8cd3f49084db4abfc0c29f5ef137a62934ab1c8c

  • SSDEEP

    12288:5D4c7NvS2/ymu91m9cJz0Dd4qk6XmKLqA2dKUeBmyOyw+17BGQx0l5bn:5J7N/yC92YDzk6XzL12dKlmGd0l5bn

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .coaq

  • offline_id

    fTU4hYOJ0niv7WAg9utRTzxXv2TcoEvGPJhzIot1

  • 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-hhA4nKfJBj 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: 0659JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.9

Botnet

694f12963bedb0c6040fb3c74aac71e5

C2

https://t.me/nemesisgrow

https://steamcommunity.com/profiles/76561199471222742

http://65.109.12.165:80

Attributes
  • profile_id_v2

    694f12963bedb0c6040fb3c74aac71e5

Signatures

  • Detected Djvu ransomware 16 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
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 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.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe
    "C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe
      "C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4036
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\a2952569-bc02-49b2-ba45-a8dd70cc81ab" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:3260
      • C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe
        "C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:980
        • C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe
          "C:\Users\Admin\AppData\Local\Temp\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1360
          • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe
            "C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4476
            • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe
              "C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1080
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:848
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:2224
          • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build3.exe
            "C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2324
            • 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:860
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2772
    • 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"
      2⤵
      • Creates scheduled task(s)
      PID:2632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

    Filesize

    2KB

    MD5

    7c6ae82f0661b107fe0029886a8e9506

    SHA1

    20cfdd24e33b49c6bec67a52a8076415ec80fe37

    SHA256

    3853cc02851d35516bd479b587a069d5a9eb60a9a9212d7d85d3b5c7f9c6c0c4

    SHA512

    1a724a00a6fe261240bf6269774b254659843068dd08fc7b3e5c13697c4dc2e164701dd7988fdfe762a2da0ad00cad456ca9bcfee2204bf1df76d5f93a59240c

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

    Filesize

    1KB

    MD5

    fafb2d795af06b05e5ae489401edb786

    SHA1

    137f724049c8ce7dc1d438677f7b6fa32b275205

    SHA256

    7673bf3d6aa2a14da9c3433ac1651d907697a7c79e32987d150a757f3866b5f0

    SHA512

    38c83466ce78cb43dbfa8255432abc7b6347589b0a6dd3b00aa4d81dbd9664a3cafc2bbca9ed38bcfa0ee32ace2a8ea8c8cd5471d6896f7c4dfd6dca03089769

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

    Filesize

    488B

    MD5

    c6f74d8ce330f86db4255ad8a0c9f116

    SHA1

    4286f6d4afce7fc51794daaf6291c121a9d71f67

    SHA256

    150942ed90bb860ae98f9460f2df03a6a2dc58ce2a9d941cc83f2dd81e3c8669

    SHA512

    2f52c401d854edff98a233b2a866eaeecf468ac086756de9dd849523e43ab9eacb7078b2b03330f3fca137091255732ec4435ff3136ee83fcae4adf48e0ae579

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

    Filesize

    482B

    MD5

    d6fdf412a96845e481b9902b1e071305

    SHA1

    854d7238a42dc7bdee9fc29ae88a18e8b6e1edf3

    SHA256

    baf2117004262d134e57f907354b27ce6fc99cba0372800ff33ce4a4593643ea

    SHA512

    387043b963a0713a975e39ba2eeb572ef6d924c7876228e91401495c80c0f9ce7c6e4b3848e104a6468c4a4e69e1e60b37cf7808d45b0c3b4d02324c1b43b8f4

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\562bc832-c83e-4a3b-a6be-c7dd42696370\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\a2952569-bc02-49b2-ba45-a8dd70cc81ab\e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d.exe

    Filesize

    706KB

    MD5

    3f1487501f40bf0bded09e3896e0ce04

    SHA1

    5730c87514f7a8a97e29b0a6220298ed406ff40e

    SHA256

    e13e10b2ee5d67e6517dbe4871f3a45490c1efe56d8f6d77a4a5a48f88c8f33d

    SHA512

    413ac8d8d3fe3071b4b299d7bbfa3351af6aa5397aeb339167fbcd7e5621b90334576123ec3c2e1cf969a1de8cd3f49084db4abfc0c29f5ef137a62934ab1c8c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • memory/1080-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1080-273-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1080-274-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1080-180-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1080-183-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1080-182-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1080-178-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1080-278-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1360-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-280-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-169-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-194-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-168-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-157-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4036-141-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4036-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4036-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4036-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4036-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4244-136-0x0000000002490000-0x00000000025AB000-memory.dmp

    Filesize

    1.1MB

  • memory/4476-181-0x0000000002160000-0x00000000021BD000-memory.dmp

    Filesize

    372KB