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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 05:57

General

  • Target

    f4fbe44601948e2474ebb35261952b08fcf51a2b98cf79ec0a27fd39bda651f1_JC.exe

  • Size

    336KB

  • MD5

    93aba80ef8c7ce6282497c48e7e7ccd8

  • SHA1

    9428c1e4109c62f71fa850469a2f4374f09574f1

  • SHA256

    f4fbe44601948e2474ebb35261952b08fcf51a2b98cf79ec0a27fd39bda651f1

  • SHA512

    85c4fa44e3d49b04870c54ec10cc7541e7273eeb0a2e29cf6c4ef08e48fcd6cee5180bcda96074ebe95bcf86a60e59d22ca7762c0e1d9cfa791e5d45d941b319

  • SSDEEP

    3072:lDKW1LgppLRHMY0TBfJvjcTp5XZonONL1Y111111405kKjdYz6m1hKbe:lDKW1Lgbdl0TBBvjc/ZogLXax27ib

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4fbe44601948e2474ebb35261952b08fcf51a2b98cf79ec0a27fd39bda651f1_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\f4fbe44601948e2474ebb35261952b08fcf51a2b98cf79ec0a27fd39bda651f1_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    2e45f1637226ddf75f69b8d5542ffc2b

    SHA1

    ea38ca364110949f51a3dda73f7b21363c93d5ad

    SHA256

    5cba1b932ad0b2c15b78f2b58b2bbc2af18afd677f85acd5c69517b41dcf0b0d

    SHA512

    83bab719ff0e71f48e30752ed5f6b91a325f73451f29791366cc1d88b0a2e1feb77b4d66ac4c865b6388aead4d98c23a975226af4ac1ed2c0afa75d243e1c71b

  • C:\Users\Admin\AppData\Local\Temp\Cab9EFF.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar9F9E.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2240-70-0x0000000005610000-0x000000000561A000-memory.dmp

    Filesize

    40KB

  • memory/2240-82-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2240-5-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2240-6-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2240-7-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2240-8-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2240-3-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2240-2-0x00000000004B0000-0x00000000004C4000-memory.dmp

    Filesize

    80KB

  • memory/2240-1-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2240-0-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2240-4-0x00000000004E0000-0x00000000004F4000-memory.dmp

    Filesize

    80KB

  • memory/2996-73-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-75-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-77-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-79-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2996-80-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-71-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-83-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-85-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-86-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2996-87-0x00000000021C0000-0x0000000002200000-memory.dmp

    Filesize

    256KB

  • memory/2996-88-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2996-89-0x00000000021C0000-0x0000000002200000-memory.dmp

    Filesize

    256KB