Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 03:04

General

  • Target

    SMT_PMT_SWIFT.exe

  • Size

    820KB

  • MD5

    e1eb6a93f5b33ba65a052a6de047af05

  • SHA1

    46b112ed5b75224f44707967ccebf15e99845be3

  • SHA256

    ef1fbaf09a00979fb3c25debeebe53c2ff844f11d817d5d925c634666c5657ac

  • SHA512

    abdce0bb8ddf97e68e5d93d6e6cd5feb98658f9c2020a2677c83dd6777ba6d49d81b30f243348bdaa2f84da21636cfbfe8c54a069829b67ecfe3fea787a191bd

  • SSDEEP

    12288:OLKE6jD/62iNG5nF8TUEo0g+OVY38KclmzNsvsuG6rxN71wQw4VvFXHUQ853:OLKtD/61I6vSGsp8Nqs81NhE45NS5

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6774056184:AAGNRsfh8TKtp3v_QDZCQW1e8ODSvVaHvMo/

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SMT_PMT_SWIFT.exe
    "C:\Users\Admin\AppData\Local\Temp\SMT_PMT_SWIFT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SMT_PMT_SWIFT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PUZcXIafrmbImY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PUZcXIafrmbImY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8A00.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1524
    • C:\Users\Admin\AppData\Local\Temp\SMT_PMT_SWIFT.exe
      "C:\Users\Admin\AppData\Local\Temp\SMT_PMT_SWIFT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SMT_PMT_SWIFT.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ogkf1nir.0ih.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp8A00.tmp

    Filesize

    1KB

    MD5

    efc483ad974600588307b38a425f7b59

    SHA1

    130783d4523c6cc3d31fde644d2a332bc5b7bdbd

    SHA256

    898716b1dccf7425ebd4c4e627e067e2bb2a07feeb586a07dc88afca80a78996

    SHA512

    9f2fc9ecdc1566840db576c5914a259e17a1ac132072e7165e922a7880c25905bc828f22f7b6ae8a58e005a6e07534f2b696306159fc18520491d522a359c7c8

  • memory/392-80-0x0000000004D10000-0x0000000004D20000-memory.dmp

    Filesize

    64KB

  • memory/392-53-0x0000000006150000-0x000000000616E000-memory.dmp

    Filesize

    120KB

  • memory/392-85-0x0000000007680000-0x0000000007691000-memory.dmp

    Filesize

    68KB

  • memory/392-84-0x0000000007700000-0x0000000007796000-memory.dmp

    Filesize

    600KB

  • memory/392-83-0x00000000074F0000-0x00000000074FA000-memory.dmp

    Filesize

    40KB

  • memory/392-81-0x0000000007AC0000-0x000000000813A000-memory.dmp

    Filesize

    6.5MB

  • memory/392-24-0x0000000004D10000-0x0000000004D20000-memory.dmp

    Filesize

    64KB

  • memory/392-79-0x0000000004D10000-0x0000000004D20000-memory.dmp

    Filesize

    64KB

  • memory/392-69-0x0000000071640000-0x000000007168C000-memory.dmp

    Filesize

    304KB

  • memory/392-86-0x00000000076B0000-0x00000000076BE000-memory.dmp

    Filesize

    56KB

  • memory/392-25-0x0000000005290000-0x00000000052F6000-memory.dmp

    Filesize

    408KB

  • memory/392-19-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/392-21-0x0000000004D10000-0x0000000004D20000-memory.dmp

    Filesize

    64KB

  • memory/392-95-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/392-23-0x0000000005220000-0x0000000005286000-memory.dmp

    Filesize

    408KB

  • memory/556-96-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/556-52-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/556-47-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/556-97-0x0000000006AB0000-0x0000000006B00000-memory.dmp

    Filesize

    320KB

  • memory/4420-17-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/4420-54-0x0000000005F40000-0x0000000005F8C000-memory.dmp

    Filesize

    304KB

  • memory/4420-37-0x00000000049C0000-0x00000000049D0000-memory.dmp

    Filesize

    64KB

  • memory/4420-31-0x0000000005910000-0x0000000005C64000-memory.dmp

    Filesize

    3.3MB

  • memory/4420-22-0x0000000004E60000-0x0000000004E82000-memory.dmp

    Filesize

    136KB

  • memory/4420-94-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/4420-89-0x0000000007560000-0x0000000007568000-memory.dmp

    Filesize

    32KB

  • memory/4420-18-0x00000000049C0000-0x00000000049D0000-memory.dmp

    Filesize

    64KB

  • memory/4420-88-0x0000000007580000-0x000000000759A000-memory.dmp

    Filesize

    104KB

  • memory/4420-82-0x0000000007240000-0x000000000725A000-memory.dmp

    Filesize

    104KB

  • memory/4420-57-0x0000000071640000-0x000000007168C000-memory.dmp

    Filesize

    304KB

  • memory/4420-56-0x00000000064F0000-0x0000000006522000-memory.dmp

    Filesize

    200KB

  • memory/4420-55-0x000000007FDC0000-0x000000007FDD0000-memory.dmp

    Filesize

    64KB

  • memory/4420-67-0x00000000064D0000-0x00000000064EE000-memory.dmp

    Filesize

    120KB

  • memory/4420-68-0x0000000006EF0000-0x0000000006F93000-memory.dmp

    Filesize

    652KB

  • memory/4420-16-0x0000000005000000-0x0000000005628000-memory.dmp

    Filesize

    6.2MB

  • memory/4420-15-0x0000000004960000-0x0000000004996000-memory.dmp

    Filesize

    216KB

  • memory/4420-87-0x0000000007480000-0x0000000007494000-memory.dmp

    Filesize

    80KB

  • memory/4848-0-0x0000000000130000-0x0000000000204000-memory.dmp

    Filesize

    848KB

  • memory/4848-9-0x00000000065B0000-0x000000000662C000-memory.dmp

    Filesize

    496KB

  • memory/4848-8-0x0000000005230000-0x000000000523A000-memory.dmp

    Filesize

    40KB

  • memory/4848-7-0x0000000004F00000-0x0000000004F08000-memory.dmp

    Filesize

    32KB

  • memory/4848-6-0x0000000004E50000-0x0000000004E68000-memory.dmp

    Filesize

    96KB

  • memory/4848-5-0x0000000004D90000-0x0000000004D9A000-memory.dmp

    Filesize

    40KB

  • memory/4848-10-0x0000000006370000-0x000000000640C000-memory.dmp

    Filesize

    624KB

  • memory/4848-36-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-50-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-4-0x0000000004E70000-0x0000000004E80000-memory.dmp

    Filesize

    64KB

  • memory/4848-51-0x0000000004E70000-0x0000000004E80000-memory.dmp

    Filesize

    64KB

  • memory/4848-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

    Filesize

    584KB

  • memory/4848-2-0x0000000005240000-0x00000000057E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4848-1-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB