Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 13:33

General

  • Target

    Doc_874009379.vbe

  • Size

    8KB

  • MD5

    608aa4b6781b5333f940f9d0a933313f

  • SHA1

    72282fe231e6e43d0785188e5e8509ff9bd59b8c

  • SHA256

    13d3a1cdba937a0d1dcf706e85b320da66b2cc1ec1193839319511688847abbc

  • SHA512

    3dbf0e3538070a372adb492b771e8360b02f4f3c0cf09092493d0c9bf487eefb26a8ee3a468047f3f36b284f34325e21f6c77b7352ca9e38a20b53c092f2684c

  • SSDEEP

    192:3eS9aNfePvTsC7kYna9INmRo4OCk01bB3K:tsmj7k4aaYRtOCLBa

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops desktop.ini file(s) 7 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies registry class 2 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Doc_874009379.vbe"
    1⤵
    • Blocklisted process makes network request
    PID:4024
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\MGarnpObOtlJFvM.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4564
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3688
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "4564" "2700" "2640" "2704" "0" "0" "2708" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:3532
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1940" "2428" "2616" "2500" "0" "0" "2180" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:4508
  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4916
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:4924
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

    Filesize

    384KB

    MD5

    c7ca2711d80cd052da0d98ce7e6dec6b

    SHA1

    b051f0425224cf70e3a10636c21bf113bd1cd301

    SHA256

    a0c1147d7f6adb99735dc3fa370ef6fb8e6ddd3687eb7afd677af5c71df6957f

    SHA512

    487b985fe8a4fb9a0cb59ffb0b485133e0b089115e36b9bc3f0cbb64babd899daf1b282a9554b45874a59a4c7d9c07db370650c28a5731bde50f52e66a0fc0af

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

    Filesize

    1024KB

    MD5

    11fa440983bf920e1cc2434dd15c7857

    SHA1

    be3645dca84aaf207c603020d79afc0d2533776b

    SHA256

    1138271c46af7070fb70d9314562d7e71906999a2dc33e4b9e149ba4c69f87b3

    SHA512

    814298d47efbece01925c2213e567ace7d4c3b2d4b1f27bd4b2430e68609ccbfa8a0184e227e7511916d724c97b4b8394e5da5185618abce86b7c934a3b74fb4

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb

    Filesize

    68KB

    MD5

    821ba837eabf7145f0d16b7306b18ee2

    SHA1

    2157ef750e65788b4f134f24a611932932dbe6a3

    SHA256

    58474432e293ea6c30148b415a8e38515f02fdc16a89e689415dd1f032c896ca

    SHA512

    5c363ffedcbcdb96caf4a3833e1b6acf48385b1d0177478f59256cd658fa68b7d3f78f2768c88c191a59b7e8e2432d9bb2ccc0de60abc03b1927874926717bb7

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD

    Filesize

    498B

    MD5

    90be2701c8112bebc6bd58a7de19846e

    SHA1

    a95be407036982392e2e684fb9ff6602ecad6f1e

    SHA256

    644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf

    SHA512

    d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

    Filesize

    9KB

    MD5

    5433eab10c6b5c6d55b7cbd302426a39

    SHA1

    c5b1604b3350dab290d081eecd5389a895c58de5

    SHA256

    23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131

    SHA512

    207b40d6bec65ab147f963a5f42263ae5bf39857987b439a4fa1647bf9b40e99cdc43ff68b7e2463aa9a948284126ac3c9c7af8350c91134b36d8b1a9c61fd34

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

    Filesize

    9KB

    MD5

    7050d5ae8acfbe560fa11073fef8185d

    SHA1

    5bc38e77ff06785fe0aec5a345c4ccd15752560e

    SHA256

    cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

    SHA512

    a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

    Filesize

    53KB

    MD5

    a26df49623eff12a70a93f649776dab7

    SHA1

    efb53bd0df3ac34bd119adf8788127ad57e53803

    SHA256

    4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

    SHA512

    e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wk3ew52d.kyr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

    Filesize

    1KB

    MD5

    2afc77e4427ac0cdcefc456907f011d6

    SHA1

    f98f8181cd92b1a5ead88aa0d0b713a289baeea4

    SHA256

    fe71f24eb6830007d2000a8a8b0717981837e4d55b2500ee6f21557af6e907e3

    SHA512

    56de581dd3c1529cb3dc8917d6f9c55b09e0e784ddd6e8075e9b2319c6828d2fe8278567e755252a0c57224f86f4b17221a7550e0dcb071a1b377d9d0c2a907d

  • C:\Users\Admin\AppData\Roaming\MGarnpObOtlJFvM.vbs

    Filesize

    2KB

    MD5

    6892edb9f965b62befb2ef9a8b583b55

    SHA1

    fa825f6f1639d4f7a58e4b6a0e3d3b016a5194cf

    SHA256

    0dae80f252e22ede7270ecb5ee2142b9d711479595c71279201738b539d934c6

    SHA512

    e6ef2854016748f997e7a251f2a9e6cbe71906dd4f30bd72bc3478d08771a9261afd7a7ed1b52968135ea657f9c6886d0cb9b6e36a382db4f800fccebf09ecbd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt

    Filesize

    217B

    MD5

    5a7e8848e1b4aa141369105680d97409

    SHA1

    f99ae1ce8fd1d07e3514c7764dc7ca292ec6106a

    SHA256

    980dfb2b6ac90b8847bb81a32d64fe17ce52a4408e8043b45fbc9df4796b8674

    SHA512

    dbe083cd2f5816351df494da801ea22c474f81541dc4ee1beae721c3bec9173ff48cf6a16087ad321e900831129b12c4156d25c1b0da85a2be6d07d7631b2b3b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    6KB

    MD5

    52f563fba9f5df6d0304a1bbaf7d6de0

    SHA1

    ca68b2cae7a4212994a30738e0947256f8b8034b

    SHA256

    2f5c0df906b39c6ac9391063ce481c24a41dead4d52209cf26f6f63f7bd78020

    SHA512

    f4151ea3f9b72abcb0e245d33a89d6046e1f0977f37f12cb9159fcd52b46c09c0cded4d1d5cf3c69c217d159265e882e743f3afb8a50a0ec1e003f5c1dc0ae6f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    6KB

    MD5

    b8f7b6aa2a7af73d1f6bec03f813971d

    SHA1

    d4c2a90a0920a5267f127aeafd649816ecc8d7ed

    SHA256

    415518100b112b0c618a4bd030903056ca022cb880a5a0c1d7171d20ebe0e6a1

    SHA512

    15dc4748a158041c1305dc4e2cee06ba940ff1769705addf42ee06d39f5eb79a876b611de347b962272bba16170aa8dae497791fd3b7e83ee68570c20c2206d2

  • memory/3688-118-0x00000000067E0000-0x00000000067EA000-memory.dmp

    Filesize

    40KB

  • memory/3688-116-0x0000000006770000-0x00000000067C0000-memory.dmp

    Filesize

    320KB

  • memory/3688-117-0x0000000006860000-0x00000000068F2000-memory.dmp

    Filesize

    584KB

  • memory/3688-105-0x0000000005350000-0x00000000053B6000-memory.dmp

    Filesize

    408KB

  • memory/3688-98-0x0000000005790000-0x0000000005D34000-memory.dmp

    Filesize

    5.6MB

  • memory/3688-96-0x0000000000D00000-0x0000000000D40000-memory.dmp

    Filesize

    256KB

  • memory/4564-94-0x0000025991AD0000-0x0000025991AD8000-memory.dmp

    Filesize

    32KB

  • memory/4564-14-0x00000259AC1B0000-0x00000259AC1F4000-memory.dmp

    Filesize

    272KB

  • memory/4564-95-0x0000025991B20000-0x0000025991B2A000-memory.dmp

    Filesize

    40KB

  • memory/4564-13-0x0000025991AF0000-0x0000025991B12000-memory.dmp

    Filesize

    136KB

  • memory/4564-15-0x00000259AC280000-0x00000259AC2F6000-memory.dmp

    Filesize

    472KB

  • memory/4784-54-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-138-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB

  • memory/4784-61-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-60-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-56-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-57-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-58-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-59-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-55-0x000000000A940000-0x000000000A950000-memory.dmp

    Filesize

    64KB

  • memory/4784-119-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB

  • memory/4784-126-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB

  • memory/4784-132-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB

  • memory/4784-133-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB

  • memory/4784-53-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB

  • memory/4784-140-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

    Filesize

    64KB