Analysis

  • max time kernel
    100s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-02-2021 07:13

General

  • Target

    INVOICE-0899877.jar

  • Size

    1.0MB

  • MD5

    69177a6a0ac1953b7fe870f44d0b08b5

  • SHA1

    050090f180f571711def0706a23e32a715ec5be5

  • SHA256

    381768716f30918b472bb41e9aca29d1b01643ec1892545453d104f03bc2a612

  • SHA512

    b03921f0e1ad1df192b6c85663fdcb22700808829c02356ee9a82623267553b77b974f14bdf710b4fd523ccee97c0d31cae9fcf0989c85712f65e607e7a665dd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.potagrup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Pgrup@2021

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 5 IoCs
  • AgentTesla Payload 11 IoCs
  • Beds Protector Packer 1 IoCs

    Detects Beds Protector packer used to load .NET malware.

  • Executes dropped EXE 5 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\INVOICE-0899877.jar
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\cb1M.exe
      C:\Users\Admin\cb1M.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
        "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\cb1M.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
        3⤵
        • Drops startup file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1752
      • C:\Users\Admin\cb1M.exe
        "C:\Users\Admin\cb1M.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:528
        • C:\Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe
          "C:\Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe" 0
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:272
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 520
            5⤵
            • Loads dropped DLL
            PID:1908
        • C:\Users\Admin\AppData\Local\Temp\0RIGIN 4.0.exe
          "C:\Users\Admin\AppData\Local\Temp\0RIGIN 4.0.exe" 0
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1064
        • C:\Users\Admin\AppData\Local\Temp\PGRUP SNAKE2021.exe
          "C:\Users\Admin\AppData\Local\Temp\PGRUP SNAKE2021.exe" 0
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe
    MD5

    83f896eba915c6fcd3fd1913a39b9915

    SHA1

    b17a0b610fec952f3669aedc8e46a2400bdb1787

    SHA256

    18c57360035b052fd617a5762fb35a9299f7428e6c331fd7b4c08f4d7ec8ecb9

    SHA512

    f09a6c62fda5dedda7c8f0dda94bdcb7c6e0a2d2a511846907e1dc3db1a72269ca7163a1c90b2a94033817abcd4ccce11854c3a65e1799865df0f1cb76a60a74

  • C:\Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe
    MD5

    83f896eba915c6fcd3fd1913a39b9915

    SHA1

    b17a0b610fec952f3669aedc8e46a2400bdb1787

    SHA256

    18c57360035b052fd617a5762fb35a9299f7428e6c331fd7b4c08f4d7ec8ecb9

    SHA512

    f09a6c62fda5dedda7c8f0dda94bdcb7c6e0a2d2a511846907e1dc3db1a72269ca7163a1c90b2a94033817abcd4ccce11854c3a65e1799865df0f1cb76a60a74

  • C:\Users\Admin\AppData\Local\Temp\0RIGIN 4.0.exe
    MD5

    bbc8f515c647cd3763f1586e15b5ead6

    SHA1

    8ade922f0dd917c53e5ca68e45cf5201d9a2a43b

    SHA256

    9a4820e61cb98fce467a1510ad20e9f11af4c4e3c8745695f008d72599a47813

    SHA512

    d4b56b5241725358ff1a0dd4efe26317b6b64e0c9f8184aeb84ed23bafc7a25821e9ff30f69442d112f88e636d5e4c7125a72211241ea1fc1281a4f0df5468aa

  • C:\Users\Admin\AppData\Local\Temp\0RIGIN 4.0.exe
    MD5

    bbc8f515c647cd3763f1586e15b5ead6

    SHA1

    8ade922f0dd917c53e5ca68e45cf5201d9a2a43b

    SHA256

    9a4820e61cb98fce467a1510ad20e9f11af4c4e3c8745695f008d72599a47813

    SHA512

    d4b56b5241725358ff1a0dd4efe26317b6b64e0c9f8184aeb84ed23bafc7a25821e9ff30f69442d112f88e636d5e4c7125a72211241ea1fc1281a4f0df5468aa

  • C:\Users\Admin\AppData\Local\Temp\PGRUP SNAKE2021.exe
    MD5

    384c7a048993884b24056406e9226729

    SHA1

    d5d87c41c862e3b74e9ba8eb0bb2147668815c44

    SHA256

    eebf27101a97ad89df8e932c8003954b7e5ee6e9f4dca5e0880751d110946f35

    SHA512

    82fa49fc72df3f163855d2df103172be974fa6fc9f78b9b4192d66732ac48b21622663bed85f043a3e6c998326f28c7c43fb6fd3be5a25c951faf03172b28857

  • C:\Users\Admin\AppData\Local\Temp\PGRUP SNAKE2021.exe
    MD5

    384c7a048993884b24056406e9226729

    SHA1

    d5d87c41c862e3b74e9ba8eb0bb2147668815c44

    SHA256

    eebf27101a97ad89df8e932c8003954b7e5ee6e9f4dca5e0880751d110946f35

    SHA512

    82fa49fc72df3f163855d2df103172be974fa6fc9f78b9b4192d66732ac48b21622663bed85f043a3e6c998326f28c7c43fb6fd3be5a25c951faf03172b28857

  • C:\Users\Admin\cb1M.exe
    MD5

    97aa8299f3eae737008853b62609dc53

    SHA1

    33d2ad2819f64bd616f8a0a8964c582efdaeb25b

    SHA256

    3cd722ce7162ece3b9e69d6482a1e26c80fb0435bce8a13ab787a8b61ecf8cac

    SHA512

    630c09e8d1ffcc208f5338fa8eec082617ab270b7a18b5bc12ceac2bd10a56e157970417359af1f76d8184650c881108029419acb31d6077f6976c4afe99c391

  • C:\Users\Admin\cb1M.exe
    MD5

    97aa8299f3eae737008853b62609dc53

    SHA1

    33d2ad2819f64bd616f8a0a8964c582efdaeb25b

    SHA256

    3cd722ce7162ece3b9e69d6482a1e26c80fb0435bce8a13ab787a8b61ecf8cac

    SHA512

    630c09e8d1ffcc208f5338fa8eec082617ab270b7a18b5bc12ceac2bd10a56e157970417359af1f76d8184650c881108029419acb31d6077f6976c4afe99c391

  • C:\Users\Admin\cb1M.exe
    MD5

    97aa8299f3eae737008853b62609dc53

    SHA1

    33d2ad2819f64bd616f8a0a8964c582efdaeb25b

    SHA256

    3cd722ce7162ece3b9e69d6482a1e26c80fb0435bce8a13ab787a8b61ecf8cac

    SHA512

    630c09e8d1ffcc208f5338fa8eec082617ab270b7a18b5bc12ceac2bd10a56e157970417359af1f76d8184650c881108029419acb31d6077f6976c4afe99c391

  • \Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe
    MD5

    83f896eba915c6fcd3fd1913a39b9915

    SHA1

    b17a0b610fec952f3669aedc8e46a2400bdb1787

    SHA256

    18c57360035b052fd617a5762fb35a9299f7428e6c331fd7b4c08f4d7ec8ecb9

    SHA512

    f09a6c62fda5dedda7c8f0dda94bdcb7c6e0a2d2a511846907e1dc3db1a72269ca7163a1c90b2a94033817abcd4ccce11854c3a65e1799865df0f1cb76a60a74

  • \Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe
    MD5

    83f896eba915c6fcd3fd1913a39b9915

    SHA1

    b17a0b610fec952f3669aedc8e46a2400bdb1787

    SHA256

    18c57360035b052fd617a5762fb35a9299f7428e6c331fd7b4c08f4d7ec8ecb9

    SHA512

    f09a6c62fda5dedda7c8f0dda94bdcb7c6e0a2d2a511846907e1dc3db1a72269ca7163a1c90b2a94033817abcd4ccce11854c3a65e1799865df0f1cb76a60a74

  • \Users\Admin\AppData\Local\Temp\0RIGIN 2.0.exe
    MD5

    83f896eba915c6fcd3fd1913a39b9915

    SHA1

    b17a0b610fec952f3669aedc8e46a2400bdb1787

    SHA256

    18c57360035b052fd617a5762fb35a9299f7428e6c331fd7b4c08f4d7ec8ecb9

    SHA512

    f09a6c62fda5dedda7c8f0dda94bdcb7c6e0a2d2a511846907e1dc3db1a72269ca7163a1c90b2a94033817abcd4ccce11854c3a65e1799865df0f1cb76a60a74

  • \Users\Admin\AppData\Local\Temp\0RIGIN 4.0.exe
    MD5

    bbc8f515c647cd3763f1586e15b5ead6

    SHA1

    8ade922f0dd917c53e5ca68e45cf5201d9a2a43b

    SHA256

    9a4820e61cb98fce467a1510ad20e9f11af4c4e3c8745695f008d72599a47813

    SHA512

    d4b56b5241725358ff1a0dd4efe26317b6b64e0c9f8184aeb84ed23bafc7a25821e9ff30f69442d112f88e636d5e4c7125a72211241ea1fc1281a4f0df5468aa

  • \Users\Admin\AppData\Local\Temp\PGRUP SNAKE2021.exe
    MD5

    384c7a048993884b24056406e9226729

    SHA1

    d5d87c41c862e3b74e9ba8eb0bb2147668815c44

    SHA256

    eebf27101a97ad89df8e932c8003954b7e5ee6e9f4dca5e0880751d110946f35

    SHA512

    82fa49fc72df3f163855d2df103172be974fa6fc9f78b9b4192d66732ac48b21622663bed85f043a3e6c998326f28c7c43fb6fd3be5a25c951faf03172b28857

  • \Users\Admin\cb1M.exe
    MD5

    97aa8299f3eae737008853b62609dc53

    SHA1

    33d2ad2819f64bd616f8a0a8964c582efdaeb25b

    SHA256

    3cd722ce7162ece3b9e69d6482a1e26c80fb0435bce8a13ab787a8b61ecf8cac

    SHA512

    630c09e8d1ffcc208f5338fa8eec082617ab270b7a18b5bc12ceac2bd10a56e157970417359af1f76d8184650c881108029419acb31d6077f6976c4afe99c391

  • memory/272-37-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
    Filesize

    4KB

  • memory/272-30-0x0000000000000000-mapping.dmp
  • memory/476-47-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/476-52-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/476-45-0x0000000072A30000-0x000000007311E000-memory.dmp
    Filesize

    6.9MB

  • memory/476-39-0x0000000000000000-mapping.dmp
  • memory/528-22-0x0000000000400000-0x00000000004D3000-memory.dmp
    Filesize

    844KB

  • memory/528-23-0x000000000040104C-mapping.dmp
  • memory/528-35-0x0000000000400000-0x00000000004D3000-memory.dmp
    Filesize

    844KB

  • memory/1064-42-0x0000000072A30000-0x000000007311E000-memory.dmp
    Filesize

    6.9MB

  • memory/1064-76-0x0000000004921000-0x0000000004922000-memory.dmp
    Filesize

    4KB

  • memory/1064-51-0x0000000004920000-0x0000000004921000-memory.dmp
    Filesize

    4KB

  • memory/1064-46-0x00000000009C0000-0x00000000009C1000-memory.dmp
    Filesize

    4KB

  • memory/1064-34-0x0000000000000000-mapping.dmp
  • memory/1188-57-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmp
    Filesize

    2.5MB

  • memory/1544-7-0x0000000072A30000-0x000000007311E000-memory.dmp
    Filesize

    6.9MB

  • memory/1544-20-0x00000000003B0000-0x00000000003BF000-memory.dmp
    Filesize

    60KB

  • memory/1544-16-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
    Filesize

    4KB

  • memory/1544-4-0x0000000000000000-mapping.dmp
  • memory/1544-10-0x00000000048F0000-0x00000000049F3000-memory.dmp
    Filesize

    1.0MB

  • memory/1544-8-0x0000000000C80000-0x0000000000C81000-memory.dmp
    Filesize

    4KB

  • memory/1752-18-0x00000000048C2000-0x00000000048C3000-memory.dmp
    Filesize

    4KB

  • memory/1752-61-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1752-14-0x0000000000430000-0x0000000000431000-memory.dmp
    Filesize

    4KB

  • memory/1752-15-0x0000000004900000-0x0000000004901000-memory.dmp
    Filesize

    4KB

  • memory/1752-19-0x0000000002010000-0x0000000002011000-memory.dmp
    Filesize

    4KB

  • memory/1752-50-0x0000000002710000-0x0000000002711000-memory.dmp
    Filesize

    4KB

  • memory/1752-17-0x00000000048C0000-0x00000000048C1000-memory.dmp
    Filesize

    4KB

  • memory/1752-11-0x0000000000000000-mapping.dmp
  • memory/1752-55-0x0000000005620000-0x0000000005621000-memory.dmp
    Filesize

    4KB

  • memory/1752-13-0x0000000072A30000-0x000000007311E000-memory.dmp
    Filesize

    6.9MB

  • memory/1752-62-0x00000000056B0000-0x00000000056B1000-memory.dmp
    Filesize

    4KB

  • memory/1752-63-0x0000000006210000-0x0000000006211000-memory.dmp
    Filesize

    4KB

  • memory/1752-12-0x00000000750C1000-0x00000000750C3000-memory.dmp
    Filesize

    8KB

  • memory/1752-70-0x00000000061B0000-0x00000000061B1000-memory.dmp
    Filesize

    4KB

  • memory/1908-71-0x0000000000000000-mapping.dmp
  • memory/1908-72-0x0000000001F40000-0x0000000001F51000-memory.dmp
    Filesize

    68KB

  • memory/1908-75-0x0000000000530000-0x0000000000531000-memory.dmp
    Filesize

    4KB

  • memory/1932-3-0x0000000002120000-0x0000000002390000-memory.dmp
    Filesize

    2.4MB

  • memory/1932-2-0x000007FEFB541000-0x000007FEFB543000-memory.dmp
    Filesize

    8KB