Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 19:36

General

  • Target

    Payment Advice - Advice Ref.exe

  • Size

    638KB

  • MD5

    a660077cbfed754a0dcca39d62394482

  • SHA1

    730639e3be1f23c2fc91146ea2b9255b512f64ba

  • SHA256

    810400151abc3b4720611355416884e908ea3bf489c5b3a70866a0b012afb04b

  • SHA512

    d06238133bad029eef2106ad614593cc1276b4eefd1ff01fcbf90273f1d99788261a046b6cd788b6e1559164a8af40289da059cd5820b5d99bd3173b2891cf36

  • SSDEEP

    12288:SLrQaueH5qMEgpD6ZoYrOrkMw9Un2Xz53yoZAxtEJ/+d5cxdi2RnEzATUs99Cu6m:SLpqMtDQCkf9HG3c9REEQg9A05

Malware Config

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XEAXnFUYi.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XEAXnFUYi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA19.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2720
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDA19.tmp

    Filesize

    1KB

    MD5

    41dd29c4207632bfccb0ed5a2091b63b

    SHA1

    0ab727155897d8fdf522e5ee43146a31793f3844

    SHA256

    ab46765915d0ce09f60443578e5c999481ec2672552e191b82038e091c81de3e

    SHA512

    f079ba6c236a61f2a9bbe20bf2bd743db2d95a34e36e365bb2b2be159e244f187dc8feed8ebddcf13471dc122b5fa92acb5d90de54948260ce4eb6ed14dce957

  • memory/2136-0-0x0000000001090000-0x0000000001134000-memory.dmp

    Filesize

    656KB

  • memory/2136-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2136-2-0x0000000004880000-0x00000000048C0000-memory.dmp

    Filesize

    256KB

  • memory/2136-3-0x0000000000490000-0x00000000004AA000-memory.dmp

    Filesize

    104KB

  • memory/2136-4-0x0000000000440000-0x0000000000448000-memory.dmp

    Filesize

    32KB

  • memory/2136-5-0x00000000004B0000-0x00000000004BA000-memory.dmp

    Filesize

    40KB

  • memory/2136-6-0x0000000005120000-0x000000000519A000-memory.dmp

    Filesize

    488KB

  • memory/2136-27-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-35-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-29-0x00000000048A0000-0x00000000048E0000-memory.dmp

    Filesize

    256KB

  • memory/2580-34-0x00000000048A0000-0x00000000048E0000-memory.dmp

    Filesize

    256KB

  • memory/2580-31-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2664-32-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2664-33-0x000000006ECC0000-0x000000006F26B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-30-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2664-28-0x000000006ECC0000-0x000000006F26B000-memory.dmp

    Filesize

    5.7MB