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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2023, 22:55

General

  • Target

    NEAS.a3dddc51a8682f5f59d14b73f3f6298a3e42100adaa35f5f923f30d972522b3e.exe

  • Size

    336KB

  • MD5

    576ea37ddee70b9062761e4bcc0c6a64

  • SHA1

    7b330ac4a57fd4d6814fce3fa732d019f7b0d99d

  • SHA256

    a3dddc51a8682f5f59d14b73f3f6298a3e42100adaa35f5f923f30d972522b3e

  • SHA512

    51e9d658c5ef86e32e189c71ff26520d1b913180f027f1e62fe49639bbcac2de6b3f283e346e13272c4a972ca3ef295bdcf757156d6252778a5d9fac9ed16962

  • SSDEEP

    3072:nDKW1LgppLRHMY0TBfJvjcTp5XQpv8sTfoQWN7qRp+Q48:nDKW1Lgbdl0TBBvjc/Qa2NCqm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bretoffice.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    OBah2m2U8LdU

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.a3dddc51a8682f5f59d14b73f3f6298a3e42100adaa35f5f923f30d972522b3e.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.a3dddc51a8682f5f59d14b73f3f6298a3e42100adaa35f5f923f30d972522b3e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    5f339f373de4e75fd79e69f87bd51535

    SHA1

    6ef34699031360ef525bb0c6c42c315d2dfcd317

    SHA256

    87b29faa15f4d5f51a6835070c0c96c63eba92bc23758aaea5bad3dbb9a68ee0

    SHA512

    18dc7324460468c96f2b8a61dc0d18c9847312ddcef2d9bcef57934aca92c93f04d5e3e288f52bc1361bc8b779e817a0a3b58dd8d595cb2e6da97d35d56c5145

  • C:\Users\Admin\AppData\Local\Temp\Cab4636.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar46B6.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/1464-79-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB

  • memory/1464-1-0x0000000004850000-0x0000000004890000-memory.dmp

    Filesize

    256KB

  • memory/1464-2-0x00000000002D0000-0x00000000002E4000-memory.dmp

    Filesize

    80KB

  • memory/1464-3-0x0000000004850000-0x0000000004890000-memory.dmp

    Filesize

    256KB

  • memory/1464-4-0x0000000000580000-0x0000000000594000-memory.dmp

    Filesize

    80KB

  • memory/1464-5-0x0000000004850000-0x0000000004890000-memory.dmp

    Filesize

    256KB

  • memory/1464-67-0x0000000004830000-0x000000000483A000-memory.dmp

    Filesize

    40KB

  • memory/1464-0-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB

  • memory/1628-68-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-72-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-74-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1628-77-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-70-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-80-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-82-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1628-83-0x0000000073FC0000-0x00000000746AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1628-84-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/1628-85-0x0000000073FC0000-0x00000000746AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1628-86-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB