Analysis

  • max time kernel
    118s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 07:17

General

  • Target

    E-Payment Copy.exe

  • Size

    726KB

  • MD5

    0a42b7c6892fea5fd8dd83081b370b41

  • SHA1

    8af42b1368d5241f10912579ae8bfe8daf63b6b8

  • SHA256

    e867aa353bc6f4269ab0a3d6174012ec741ab5b61b83117dedae25c5701d965c

  • SHA512

    e357837d04d3a72159795b125000e5bc64613862626bcb256f736186e020c76d044901a988efe26301143a42b84ab97c95f8ac5ead9d09f4f17a593a0fb30692

  • SSDEEP

    12288:3dIBt389ZiyQAUNpixgVqsdDXz3Vf4PlQzPvcCb4iG:3wiH8WobXGcPkCb4iG

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\E-Payment Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\E-Payment Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Users\Admin\AppData\Local\Temp\E-Payment Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\E-Payment Copy.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2240

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

    e728cf17d48ff42cdca6acd79fb60938

    SHA1

    b752a475aef77552ca1ab6982ee3c761cedb242a

    SHA256

    63394238c1b1532719ee20b4bed9d31664f1d94e9cf2414f4ac497f669f98ae3

    SHA512

    787a53b3278f71112b8bf89a67dbc80fd04aae5c159b6515656f1d330989f56e1d862e9b4f73310c8ee5f3c6ca306f0a2648cf63a0e554e014abfa9a74f01eaa

  • C:\Users\Admin\AppData\Local\Temp\Cab143E.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar151F.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2240-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-92-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/2240-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2240-12-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-91-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2240-22-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/2240-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2240-21-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2428-20-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2428-5-0x00000000003C0000-0x00000000003CA000-memory.dmp

    Filesize

    40KB

  • memory/2428-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

    Filesize

    32KB

  • memory/2428-3-0x0000000000350000-0x0000000000366000-memory.dmp

    Filesize

    88KB

  • memory/2428-2-0x0000000004F70000-0x0000000004FB0000-memory.dmp

    Filesize

    256KB

  • memory/2428-1-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2428-0-0x0000000000D10000-0x0000000000DCC000-memory.dmp

    Filesize

    752KB

  • memory/2428-6-0x0000000005D00000-0x0000000005D7C000-memory.dmp

    Filesize

    496KB