Analysis

  • max time kernel
    141s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 17:44

General

  • Target

    2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.exe

  • Size

    957KB

  • MD5

    9f771ec413240eb2885fbcb26c2fb048

  • SHA1

    5b02911923899eb685fd6b5548c224f357364d82

  • SHA256

    2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada

  • SHA512

    4fd410cf21546bcbaa5ff9fc800b0dfff8fa6a7d6f66509f23e528e500481ffedfa968173730018ead34629e4c612b70b810f00531fba563964b11db46890573

  • SSDEEP

    12288:blG9rbwLijBexRQv8Ntg9deEAVMK5FplFgfrYahpgnfT3OE8EHxHLawbihl4Bd0W:bw9nyRu87gX0Dpl2flUf7jFRHL

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.exe
    "C:\Users\Admin\AppData\Local\Temp\2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1460
    • 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\2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\udmNej.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\udmNej" /XML "C:\Users\Admin\AppData\Local\Temp\tmp878A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:884
    • C:\Users\Admin\AppData\Local\Temp\2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.exe
      "C:\Users\Admin\AppData\Local\Temp\2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada.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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    0828dfac71a0ab86f5ac1d1b62ba2026

    SHA1

    1de3018bf4589e311ad956b53d8fee633ed215c9

    SHA256

    15f09c7bdaf467f4958cd2ddd45d046c0c120b4de87be84e863bb232e889f0e4

    SHA512

    f5f8943627708fbe31f2ecdfb9928b1ad8773fc52169a77dcffc88385a2cf8f2802b2cfc103f02ab0c9bc53ab9998eb549de1b87cdb7108bbdd47d87858db304

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qjtedqsc.mln.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp878A.tmp

    Filesize

    1KB

    MD5

    727dcc2c004e97f46d78b09d45a22d79

    SHA1

    00c768e8d555d541ac11c41d285f0b52e2d87a75

    SHA256

    179d86d23709f16fe36dde79049d4bd564071ce8c10ae37a2d76c7c48ab1b7fc

    SHA512

    f04b8e8302a767bb587f91b6ace9c1f83181a727f02185811ef55a651ed10b6088b8c36d33dc541ed9ae5cba67e04da86b8d5931f7450328f1f1d6e50966295a

  • memory/1460-8-0x0000000001150000-0x000000000115A000-memory.dmp

    Filesize

    40KB

  • memory/1460-12-0x00000000078C0000-0x00000000078D0000-memory.dmp

    Filesize

    64KB

  • memory/1460-7-0x0000000001140000-0x0000000001146000-memory.dmp

    Filesize

    24KB

  • memory/1460-30-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1460-9-0x0000000008C00000-0x0000000008C7A000-memory.dmp

    Filesize

    488KB

  • memory/1460-10-0x0000000009D20000-0x0000000009DBC000-memory.dmp

    Filesize

    624KB

  • memory/1460-11-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1460-6-0x0000000007B90000-0x0000000007BA8000-memory.dmp

    Filesize

    96KB

  • memory/1460-5-0x0000000007650000-0x000000000765A000-memory.dmp

    Filesize

    40KB

  • memory/1460-4-0x00000000078C0000-0x00000000078D0000-memory.dmp

    Filesize

    64KB

  • memory/1460-0-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1460-3-0x00000000076A0000-0x0000000007732000-memory.dmp

    Filesize

    584KB

  • memory/1460-2-0x0000000007BB0000-0x0000000008154000-memory.dmp

    Filesize

    5.6MB

  • memory/1460-1-0x0000000000680000-0x0000000000776000-memory.dmp

    Filesize

    984KB

  • memory/1596-86-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

    Filesize

    40KB

  • memory/1596-57-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-99-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-17-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-28-0x0000000005880000-0x00000000058A2000-memory.dmp

    Filesize

    136KB

  • memory/1596-18-0x00000000051A0000-0x00000000051D6000-memory.dmp

    Filesize

    216KB

  • memory/1596-92-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

    Filesize

    104KB

  • memory/1596-21-0x0000000005900000-0x0000000005F28000-memory.dmp

    Filesize

    6.2MB

  • memory/1596-19-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/1596-91-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

    Filesize

    80KB

  • memory/1596-20-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/1596-85-0x0000000007A80000-0x0000000007A9A000-memory.dmp

    Filesize

    104KB

  • memory/1596-82-0x0000000006D20000-0x0000000006D3E000-memory.dmp

    Filesize

    120KB

  • memory/1596-62-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

    Filesize

    304KB

  • memory/1596-60-0x000000007FC00000-0x000000007FC10000-memory.dmp

    Filesize

    64KB

  • memory/1596-58-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/3452-63-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

    Filesize

    304KB

  • memory/3452-29-0x0000000005EE0000-0x0000000005F46000-memory.dmp

    Filesize

    408KB

  • memory/3452-59-0x000000007FA30000-0x000000007FA40000-memory.dmp

    Filesize

    64KB

  • memory/3452-61-0x0000000007570000-0x00000000075A2000-memory.dmp

    Filesize

    200KB

  • memory/3452-55-0x00000000065F0000-0x000000000663C000-memory.dmp

    Filesize

    304KB

  • memory/3452-24-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/3452-54-0x00000000065A0000-0x00000000065BE000-memory.dmp

    Filesize

    120KB

  • memory/3452-25-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/3452-83-0x00000000075B0000-0x0000000007653000-memory.dmp

    Filesize

    652KB

  • memory/3452-84-0x0000000007EF0000-0x000000000856A000-memory.dmp

    Filesize

    6.5MB

  • memory/3452-52-0x00000000060C0000-0x0000000006414000-memory.dmp

    Filesize

    3.3MB

  • memory/3452-36-0x0000000005F50000-0x0000000005FB6000-memory.dmp

    Filesize

    408KB

  • memory/3452-87-0x0000000007B30000-0x0000000007BC6000-memory.dmp

    Filesize

    600KB

  • memory/3452-88-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

    Filesize

    68KB

  • memory/3452-100-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/3452-90-0x0000000007AE0000-0x0000000007AEE000-memory.dmp

    Filesize

    56KB

  • memory/3452-56-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/3452-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/3452-93-0x0000000007BD0000-0x0000000007BD8000-memory.dmp

    Filesize

    32KB

  • memory/3520-51-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/3520-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3520-89-0x0000000005800000-0x0000000005850000-memory.dmp

    Filesize

    320KB

  • memory/3520-53-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/3520-101-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/3520-102-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB