Analysis

  • max time kernel
    117s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 17:29

General

  • Target

    1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626.exe

  • Size

    624KB

  • MD5

    54ecd7b2d5a8a4e14160c7812efa1237

  • SHA1

    31423f28116f6b7340327d3f2d292650298bb5bd

  • SHA256

    1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626

  • SHA512

    d3a815d0158f95d443ab6094987ed80d53940f6e96f5e92c169744186c00212664b589e6e4deb20dbb2f5150ba9b6d9b8e81de468b18d077094c34868fba706d

  • SSDEEP

    12288:GqfLYYZXTya5izWNoTpF+UzFReSwgOPt6DJfyKtpfS4nSo6d2BN36LNd+cx:dXTbirHeVtlG1yKHSQSXdGqLNk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.svnprintechnologies.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Svnprint@1234

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626.exe
    "C:\Users\Admin\AppData\Local\Temp\1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626.exe
      "C:\Users\Admin\AppData\Local\Temp\1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    f4d5f364ad457f2494d574773102f106

    SHA1

    3fc93e4fb0b968a5ef1815c78fb80e64e2de3fff

    SHA256

    d1a7a746e6dde1276c594f92b3aefa40ebfaffb8412f96be1738c09e534e5ad6

    SHA512

    1559912fbb296d5899cc1046f14a51c7997de7d580fd47ca193c2ff18fab693e87c2f5a7cedc9821579605831944329fb282e7732ac79814beac8215b982850d

  • C:\Users\Admin\AppData\Local\Temp\CabAA45.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarAB56.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1944-24-0x00000000008C0000-0x0000000000900000-memory.dmp

    Filesize

    256KB

  • memory/1944-93-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1944-23-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1944-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1944-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3032-5-0x00000000008E0000-0x00000000008EA000-memory.dmp

    Filesize

    40KB

  • memory/3032-22-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-6-0x0000000005D80000-0x0000000005DFC000-memory.dmp

    Filesize

    496KB

  • memory/3032-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-4-0x0000000000500000-0x0000000000506000-memory.dmp

    Filesize

    24KB

  • memory/3032-3-0x00000000006F0000-0x0000000000708000-memory.dmp

    Filesize

    96KB

  • memory/3032-2-0x0000000004C20000-0x0000000004C60000-memory.dmp

    Filesize

    256KB

  • memory/3032-0-0x0000000000910000-0x00000000009B2000-memory.dmp

    Filesize

    648KB