Analysis

  • max time kernel
    4294179s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    26-03-2022 20:55

General

  • Target

    0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe

  • Size

    4.1MB

  • MD5

    4db5c29f082e78410b0bb79137651ea4

  • SHA1

    08a2226f1ac939aa8e5d542ef515f845c2a0fe10

  • SHA256

    0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819

  • SHA512

    df92c5d6e2e6b29aec20f7dba871a43dd5c780cf0ecdbcb5c97cbc3f759871bb354eb4ecb39f749d578a2ebd405e3dd43733a9ea83b67157766076a7a2a63f53

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 2 IoCs
  • Loads dropped DLL 8 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe
    "C:\Users\Admin\AppData\Local\Temp\0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
        "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
        3⤵
        • 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:1600
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1600 -s 1736
          4⤵
          • Program crash
          PID:676

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    2KB

    MD5

    340b294efc691d1b20c64175d565ebc7

    SHA1

    81cb9649bd1c9a62ae79e781818fc24d15c29ce7

    SHA256

    72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

    SHA512

    1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

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

    13KB

    MD5

    3e7ecaeb51c2812d13b07ec852d74aaf

    SHA1

    e9bdab93596ffb0f7f8c65243c579180939acb26

    SHA256

    e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

    SHA512

    635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

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

    6.1MB

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

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

    6.1MB

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

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

    1.1MB

    MD5

    48236f6b51945bd0ae9afb44ca5bedba

    SHA1

    6f63d6cca8f3bfc3b5b64903586806a49b8b4b30

    SHA256

    c868718e08abf10befc3af7fbee6ecade1171978d2c029c26aeccb8ff868c4fd

    SHA512

    3f977aefcbf33137ce4c63754c9cef9d2ce3a3a6682fbdf7dada51657571a6fa65fd682ffe02f12dfb25105b56751f99d42c8b079cab5480c05ab672c0c7dfb9

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

    1.1MB

    MD5

    7efa42ec3c0c9cbb4e92d6d2748def05

    SHA1

    4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

    SHA256

    d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

    SHA512

    9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

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

    1.1MB

    MD5

    7efa42ec3c0c9cbb4e92d6d2748def05

    SHA1

    4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

    SHA256

    d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

    SHA512

    9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

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

    4B

    MD5

    b326b5062b2f0e69046810717534cb09

    SHA1

    5ffe533b830f08a0326348a9160afafc8ada44db

    SHA256

    b5bea41b6c623f7c09f1bf24dcae58ebab3c0cdd90ad966bc43a45b44867e12b

    SHA512

    9120cd5faef07a08e971ff024a3fcbea1e3a6b44142a6d82ca28c6c42e4f852595bcf53d81d776f10541045abdb7c37950629415d0dc66c8d86c64a5606d32de

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

    322KB

    MD5

    c3256800dce47c14acc83ccca4c3e2ac

    SHA1

    9d126818c66991dbc3813a65eddb88bbcf77f30a

    SHA256

    f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

    SHA512

    6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

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

    6.1MB

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

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

    6.1MB

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

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

    6.1MB

    MD5

    424bf196deaeb4ddcafb78e137fa560a

    SHA1

    007738e9486c904a3115daa6e8ba2ee692af58c8

    SHA256

    0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

    SHA512

    a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

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

    1.1MB

    MD5

    7efa42ec3c0c9cbb4e92d6d2748def05

    SHA1

    4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

    SHA256

    d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

    SHA512

    9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

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

    1.1MB

    MD5

    7efa42ec3c0c9cbb4e92d6d2748def05

    SHA1

    4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

    SHA256

    d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

    SHA512

    9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

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

    1.1MB

    MD5

    7efa42ec3c0c9cbb4e92d6d2748def05

    SHA1

    4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

    SHA256

    d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

    SHA512

    9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

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

    1.1MB

    MD5

    7efa42ec3c0c9cbb4e92d6d2748def05

    SHA1

    4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

    SHA256

    d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

    SHA512

    9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

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

    322KB

    MD5

    c3256800dce47c14acc83ccca4c3e2ac

    SHA1

    9d126818c66991dbc3813a65eddb88bbcf77f30a

    SHA256

    f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

    SHA512

    6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

  • memory/676-77-0x0000000000000000-mapping.dmp
  • memory/692-56-0x0000000000000000-mapping.dmp
  • memory/1600-72-0x0000000000000000-mapping.dmp
  • memory/1600-75-0x0000000000D30000-0x0000000000E58000-memory.dmp
    Filesize

    1.2MB

  • memory/1600-76-0x000000001CA20000-0x000000001CA22000-memory.dmp
    Filesize

    8KB

  • memory/1604-54-0x0000000076851000-0x0000000076853000-memory.dmp
    Filesize

    8KB