Analysis

  • max time kernel
    117s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08-02-2022 22:55

General

  • Target

    8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa.exe

  • Size

    4.2MB

  • MD5

    13613441b3b4e415ec3e0311c364fca9

  • SHA1

    679fdbccd74e0a27c0d42df7a787e1ab0cdfd2a1

  • SHA256

    8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa

  • SHA512

    0dad186e906cf0c0d6aa943e91f8de6ac864fc278397c986479c7441cbbd9177e8f0c7b9bab58a0d92a67231a7f596e89f89cf2789a829ed772f9fad3e01d12a

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 13 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 2 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 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa.exe
    "C:\Users\Admin\AppData\Local\Temp\8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Local\Temp\Encrypted.exe
      "C:\Users\Admin\AppData\Local\Temp\Encrypted.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
          "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:1592
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1592 -s 1616
            5⤵
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:956
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\txt.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Encrypted.exe

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

  • C:\Users\Admin\AppData\Local\Temp\Encrypted.exe

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png

    MD5

    340b294efc691d1b20c64175d565ebc7

    SHA1

    81cb9649bd1c9a62ae79e781818fc24d15c29ce7

    SHA256

    72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

    SHA512

    1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd

    MD5

    3e7ecaeb51c2812d13b07ec852d74aaf

    SHA1

    e9bdab93596ffb0f7f8c65243c579180939acb26

    SHA256

    e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

    SHA512

    635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat

    MD5

    756e089a055d07461b35549b542ef4d8

    SHA1

    4c652e9fdf95200de724aae517bd0a8f45e87bcd

    SHA256

    8d17bbb32df3c926ec6af1bdfd26a5f01b603e85cac495d720fc9aaece15c52d

    SHA512

    ec3181acd21763d13a8d328846986b0c875b3c082c6ce47b4360cb7bb87902fa0192d988448038b9725f2a9a3f7f430c00037e468591d869d361b72b2c11e7f1

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

    MD5

    245599d3047f622e6906f226f886bd86

    SHA1

    e49c9221a8d03125c0a772458cb1a8aac42775f9

    SHA256

    9abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9

    SHA512

    8dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

    MD5

    245599d3047f622e6906f226f886bd86

    SHA1

    e49c9221a8d03125c0a772458cb1a8aac42775f9

    SHA256

    9abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9

    SHA512

    8dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings

    MD5

    68934a3e9455fa72420237eb05902327

    SHA1

    7cb6efb98ba5972a9b5090dc2e517fe14d12cb04

    SHA256

    fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa

    SHA512

    719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

    MD5

    c3256800dce47c14acc83ccca4c3e2ac

    SHA1

    9d126818c66991dbc3813a65eddb88bbcf77f30a

    SHA256

    f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

    SHA512

    6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

  • C:\Users\Admin\AppData\Local\Temp\txt.txt

    MD5

    bdd7dd3c4f48fd81508966f8ef89b732

    SHA1

    a56ea6dade632e3a77bdb0cd5efa78fa115e9409

    SHA256

    be3b4e28c9ae0b5b4cf78942012d467bb25ffa11c91bda98fc22b94ff97896a0

    SHA512

    a71f4e1081e4cf7933812c620c83e8d5fcbb374c8cef7a9d8f06ca99c599ebdba775a8b105be202b7bd24df429fb48848acc2e06b45914d9d2151e3e74a0b991

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

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

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

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

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

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

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

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

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

    MD5

    79112cb6a47b53ae2844d502f0a5d7c2

    SHA1

    43509a0719409190eb27e962d07b8099258cc816

    SHA256

    7082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948

    SHA512

    6c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

    MD5

    245599d3047f622e6906f226f886bd86

    SHA1

    e49c9221a8d03125c0a772458cb1a8aac42775f9

    SHA256

    9abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9

    SHA512

    8dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

    MD5

    245599d3047f622e6906f226f886bd86

    SHA1

    e49c9221a8d03125c0a772458cb1a8aac42775f9

    SHA256

    9abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9

    SHA512

    8dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

    MD5

    245599d3047f622e6906f226f886bd86

    SHA1

    e49c9221a8d03125c0a772458cb1a8aac42775f9

    SHA256

    9abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9

    SHA512

    8dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

    MD5

    245599d3047f622e6906f226f886bd86

    SHA1

    e49c9221a8d03125c0a772458cb1a8aac42775f9

    SHA256

    9abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9

    SHA512

    8dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

    MD5

    c3256800dce47c14acc83ccca4c3e2ac

    SHA1

    9d126818c66991dbc3813a65eddb88bbcf77f30a

    SHA256

    f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

    SHA512

    6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

  • memory/956-86-0x000007FEFBAD1000-0x000007FEFBAD3000-memory.dmp

    Filesize

    8KB

  • memory/956-87-0x0000000001D40000-0x0000000001D41000-memory.dmp

    Filesize

    4KB

  • memory/1592-83-0x000007FEF5253000-0x000007FEF5254000-memory.dmp

    Filesize

    4KB

  • memory/1592-84-0x0000000000CF0000-0x0000000000E18000-memory.dmp

    Filesize

    1.2MB

  • memory/1592-85-0x000000001CB70000-0x000000001CB72000-memory.dmp

    Filesize

    8KB

  • memory/1928-54-0x0000000075341000-0x0000000075343000-memory.dmp

    Filesize

    8KB