Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:33

General

  • Target

    994ce74a48cf21a5b4a7eaa52b40b59894bc0dd5e52a67ced55e30326a221fcc.exe

  • Size

    89KB

  • MD5

    9ebb786dcb292410bd1f41f46a372418

  • SHA1

    3a76d6602deae634b43af1b44718f5febc1cc8a6

  • SHA256

    994ce74a48cf21a5b4a7eaa52b40b59894bc0dd5e52a67ced55e30326a221fcc

  • SHA512

    ae350f1acf216745475c554be5fb0de35887142e4756297ffd366e9e752686c91a604eb31f93a6ff62b8511121bcfb675807a9dc6eb513be0cb87c441af2be77

  • SSDEEP

    1536:zeK5X2n/V7tLJnkbVem85E8vqmyweZ67VMvI6IGVft6jNrwb:zXshxL5Pywp7VMg6RF0Nrwb

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\994ce74a48cf21a5b4a7eaa52b40b59894bc0dd5e52a67ced55e30326a221fcc.exe
    "C:\Users\Admin\AppData\Local\Temp\994ce74a48cf21a5b4a7eaa52b40b59894bc0dd5e52a67ced55e30326a221fcc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1356

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

    344B

    MD5

    dfe9fa2c5d88768bb9168084fe084418

    SHA1

    9ea3434136df126c152cfbcaabc6804137dfc0e6

    SHA256

    31eb21dddb2981747d52736ddd564e743880d8e30f9d4c40db83b1d20a249c9c

    SHA512

    065b2d929c97eb0ad07abf090cba6064a8d7d3c0bf1c8faa02354745e0e29009d31064117b0472b2eb1c8f92d909f823e9b44c3f7f1e31b4976f27a5cb7aa3f0

  • C:\Users\Admin\AppData\Local\Temp\Cab1DC0.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar1E30.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/1356-5001-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1356-5004-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/1356-5005-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/1356-5003-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/2128-150-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-144-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-94-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-93-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-98-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-100-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-102-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-106-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-108-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-110-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-104-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-96-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-112-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-118-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-130-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-120-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-156-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-154-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-152-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-2-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/2128-148-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-146-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-4979-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/2128-92-0x0000000006CD0000-0x0000000006F02000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-142-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-140-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-4981-0x00000000051F0000-0x000000000523C000-memory.dmp
    Filesize

    304KB

  • memory/2128-4980-0x00000000053D0000-0x000000000543C000-memory.dmp
    Filesize

    432KB

  • memory/2128-138-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-136-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-134-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-132-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-128-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-126-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-124-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-122-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-116-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-114-0x0000000006CD0000-0x0000000006EFB000-memory.dmp
    Filesize

    2.2MB

  • memory/2128-4982-0x0000000074D7E000-0x0000000074D7F000-memory.dmp
    Filesize

    4KB

  • memory/2128-4983-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/2128-4984-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB

  • memory/2128-1-0x0000000000060000-0x000000000007C000-memory.dmp
    Filesize

    112KB

  • memory/2128-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp
    Filesize

    4KB

  • memory/2128-4985-0x0000000000530000-0x0000000000584000-memory.dmp
    Filesize

    336KB

  • memory/2128-5002-0x0000000074D70000-0x000000007545E000-memory.dmp
    Filesize

    6.9MB