Analysis

  • max time kernel
    43s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 02:22

General

  • Target

    WareTemp.rar

  • Size

    3.4MB

  • MD5

    53e9ddefdc7154a82e67cd7cf7fd7d1b

  • SHA1

    f928105026b7a2ab98bb69bd9f5c492491951208

  • SHA256

    d11aeb36fb91bc7bc060afc68d17083f51b8e09346066b07e28a125e3b0d211f

  • SHA512

    4b259b19675349f17f1d6a2cb697aad1a45fe593de3ce2a6aaefd9f50d452f8d57631aa1fc5e7ce3959baf68a8c2d4baf9eca4c65d3a991dc9c59a3f55f4ae4f

  • SSDEEP

    98304:260t98RDpuOd+5DQrZQ7uN7mr2ByxxLfQXH:B0t98RDE9QlQ7uFb

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\WareTemp.rar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\WareTemp.rar"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2488
  • C:\Users\Admin\Desktop\WareTemp\WareTemp(Updated).exe
    "C:\Users\Admin\Desktop\WareTemp\WareTemp(Updated).exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2372

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Cab7226.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar7317.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\Desktop\WareTemp\Guna.UI2.dll
    Filesize

    2.1MB

    MD5

    c19e9e6a4bc1b668d19505a0437e7f7e

    SHA1

    73be712aef4baa6e9dabfc237b5c039f62a847fa

    SHA256

    9ac8b65e5c13292a8e564187c1e7446adc4230228b669383bd7b07035ab99a82

    SHA512

    b6cd0af436459f35a97db2d928120c53d3691533b01e4f0e8b382f2bd81d9a9a2c57e5e2aa6ade9d6a1746d5c4b2ef6c88d3a0cf519424b34445d0d30aab61de

  • C:\Users\Admin\Desktop\WareTemp\WareTemp(Updated).exe
    Filesize

    1.5MB

    MD5

    298d3d4229c3f39c1a2aa61332d0a81d

    SHA1

    12a855e23a8e6a46ba79a55742843db041a75bb6

    SHA256

    00f55871d796051199617fb52cfad7c825fcc7d14a7d45d65196a15624a65635

    SHA512

    a9db58af00b419c34be19bf33d2e325ff400c2fe441306e4f90010aabec85c9aadcb058516cb7f37d4f9fe254407bc3acb48005fce90bf6e6038f1ab366aef7d

  • memory/2372-39-0x0000000000360000-0x00000000003A0000-memory.dmp
    Filesize

    256KB

  • memory/2372-43-0x000000000A790000-0x000000000A9A4000-memory.dmp
    Filesize

    2.1MB

  • memory/2372-44-0x0000000000360000-0x00000000003A0000-memory.dmp
    Filesize

    256KB

  • memory/2372-38-0x0000000006F40000-0x00000000070A4000-memory.dmp
    Filesize

    1.4MB

  • memory/2372-36-0x0000000001160000-0x00000000012DC000-memory.dmp
    Filesize

    1.5MB

  • memory/2372-37-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2372-122-0x0000000000360000-0x00000000003A0000-memory.dmp
    Filesize

    256KB

  • memory/2372-123-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2372-124-0x0000000000360000-0x00000000003A0000-memory.dmp
    Filesize

    256KB

  • memory/2372-125-0x0000000000360000-0x00000000003A0000-memory.dmp
    Filesize

    256KB

  • memory/2372-126-0x0000000000360000-0x00000000003A0000-memory.dmp
    Filesize

    256KB