Analysis

  • max time kernel
    117s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 04:07

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:2164
    • 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:2768

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

    304B

    MD5

    c7d1de3d59d909e089567da5f053e43a

    SHA1

    910d1fcfd75af0da33cbbd2fdb83e20a6233e0fa

    SHA256

    2db1a9ec8b9696c5871fcdb7541b2483696529ea54da87636d479540908f6000

    SHA512

    5d89e7da049648ab4ac3b687d9ceda01e2af635e86e13db148a641d2aefc6cfc339b7798976980aa68a06ad178de41cdffa88add9ddec584efb74936e8e529d5

  • C:\Users\Admin\AppData\Local\Temp\CabB0AB.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarB17D.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2164-6-0x0000000004930000-0x00000000049AC000-memory.dmp

    Filesize

    496KB

  • memory/2164-5-0x0000000000380000-0x000000000038A000-memory.dmp

    Filesize

    40KB

  • memory/2164-0-0x00000000002A0000-0x000000000035C000-memory.dmp

    Filesize

    752KB

  • memory/2164-1-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

    Filesize

    256KB

  • memory/2164-3-0x0000000000290000-0x00000000002A6000-memory.dmp

    Filesize

    88KB

  • memory/2164-4-0x0000000000370000-0x0000000000378000-memory.dmp

    Filesize

    32KB

  • memory/2164-20-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-18-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-19-0x0000000004940000-0x0000000004980000-memory.dmp

    Filesize

    256KB

  • memory/2768-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2768-89-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-90-0x0000000004940000-0x0000000004980000-memory.dmp

    Filesize

    256KB