Analysis

  • max time kernel
    139s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 02:36

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:2096
    • 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:2780
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XEAXnFUYi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9241.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2960
    • 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:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9241.tmp

    Filesize

    1KB

    MD5

    c637992ed7b7bf8e970f6a1d06e157ca

    SHA1

    80c70002eaf3e422dea43f671805b98addb21af3

    SHA256

    bffa40e13f66eb062b656496e50f0d0afc71b7a454c90b0706eafd212a2e3f52

    SHA512

    5bae5c405fb33c6d29f86b6e64980cf0bafa8b310f3de92ca720b969b98d51da5a683ef293cd0d5dc3403d6a0252adb7822afbe4e1e043f92149e511dd23fe9e

  • memory/2096-21-0x0000000073FA0000-0x000000007468E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-1-0x0000000073FA0000-0x000000007468E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-2-0x0000000004E40000-0x0000000004E80000-memory.dmp

    Filesize

    256KB

  • memory/2096-3-0x0000000000720000-0x000000000073A000-memory.dmp

    Filesize

    104KB

  • memory/2096-4-0x0000000000880000-0x0000000000888000-memory.dmp

    Filesize

    32KB

  • memory/2096-5-0x0000000000890000-0x000000000089A000-memory.dmp

    Filesize

    40KB

  • memory/2096-6-0x00000000052D0000-0x000000000534A000-memory.dmp

    Filesize

    488KB

  • memory/2096-29-0x0000000073FA0000-0x000000007468E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-0-0x0000000001040000-0x00000000010E4000-memory.dmp

    Filesize

    656KB

  • memory/2096-23-0x0000000004E40000-0x0000000004E80000-memory.dmp

    Filesize

    256KB

  • memory/2780-24-0x0000000002640000-0x0000000002680000-memory.dmp

    Filesize

    256KB

  • memory/2780-22-0x000000006E3F0000-0x000000006E99B000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-19-0x000000006E3F0000-0x000000006E99B000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-20-0x0000000002640000-0x0000000002680000-memory.dmp

    Filesize

    256KB

  • memory/2780-25-0x000000006E3F0000-0x000000006E99B000-memory.dmp

    Filesize

    5.7MB

  • memory/2832-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2832-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-33-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-34-0x00000000049F0000-0x0000000004A30000-memory.dmp

    Filesize

    256KB

  • memory/2832-35-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB