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Analysis

  • max time kernel
    42s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2023, 07:09

General

  • Target

    Meidoh RFQ IND.2023.exe

  • Size

    332KB

  • MD5

    889ce644fc58e8493c76fdc886340bb9

  • SHA1

    11826787f0f2fcf9d2c959b9e992f1639b4938ba

  • SHA256

    08477ca70902dc2098c13b61d3661c0defe17a1e42195cdc6b1bdb7af2d98e2d

  • SHA512

    5c7331db00b0188e5db661061bf7d4bb426d51906e4193e3e6ff588089b335ab0f4c6aa2a8f02efc79b3b41405c2e44a2385f97d828cba481ad7f4474d6d2d34

  • SSDEEP

    6144:vYa6vOKlv2G7Pqj+tDlfhnQjbNKA/eYaLJMqTqoFZOR79j208j:vYtxlv28qjYDpn/XTJ27R8j

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 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: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Meidoh RFQ IND.2023.exe
    "C:\Users\Admin\AppData\Local\Temp\Meidoh RFQ IND.2023.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe
      "C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe" C:\Users\Admin\AppData\Local\Temp\karsrcsvmxh.ar
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe
        "C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe"
        3⤵
        • Executes dropped EXE
        PID:1496
      • C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe
        "C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe"
        3⤵
        • Executes dropped EXE
        PID:1584
      • C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe
        "C:\Users\Admin\AppData\Local\Temp\zzcfkgjqz.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\karsrcsvmxh.ar

    Filesize

    5KB

    MD5

    a72e06ecc61cfb2d6dc459f5bf08a6cb

    SHA1

    0dbfb696b1a3cda398abf4fdb8527f0c9291022e

    SHA256

    b2588bf0d3e8725bc36e62c12f26158e2c8630f389c7cc01916919166331bfd9

    SHA512

    753c145826dc36cc27b2c6e04e08c419421dadb3cc0cfb191429f9e4eed8cfef39f1b4fab0bcf2b9f0dd7163fc75b56e731680cd60471291688d55e23392c2d1

  • C:\Users\Admin\AppData\Local\Temp\tdgdwhjcr.qc

    Filesize

    262KB

    MD5

    d5222e7a13fee24630ab86c5ee61d234

    SHA1

    ed4c7da3651392a1bff099687776a44d1c5ce96e

    SHA256

    9097142407632b96c671774ece05e5025b13f84e479dee9ff1bcbb5dd6ac6ca1

    SHA512

    22eab92dfc4c45acb7e5cb47b6af9a3dec51f0f69b9b595081bd263cc4b4e43ea0cc79d71ec9795f8483ed1de25ad867b5262757f993dbceb61d495295db4af6

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

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

    Filesize

    141KB

    MD5

    e50e42d6b3cafaa89632a254ada334cb

    SHA1

    7bb8e821f5bfba782420728fb2eb11ad4c89cc39

    SHA256

    eeae28f209110b937fda2c7dd87e41e369d7783cac51a893a4431f0214fa94f9

    SHA512

    f3b089c0b9e3eefb29b6e5ea9588eba92d7769583a76f3d32d693bb44df873b10e285ff6c538bcf4d36b76ad5816f94d8c2f6121f4919dacb72e9109347bb436

  • memory/1492-70-0x00000000005E0000-0x0000000000610000-memory.dmp

    Filesize

    192KB

  • memory/1492-71-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1956-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

    Filesize

    8KB