Analysis

  • max time kernel
    142s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-07-2024 03:05

General

  • Target

    无害.exe

  • Size

    5.6MB

  • MD5

    eb08619ed85a31118a80ce0a2f73f25f

  • SHA1

    4289df26068458def91c876933e0483867625b2b

  • SHA256

    f775611b5d45d3c13217c30f3792963894ecf0726a554188e5e2ee72077e6939

  • SHA512

    b8f32587867025e11c6af73c8c3c7ba8f0ec2966cbd2a702240ab26c789ff791475d753ce53114d4c07dc0e2b2c79deba7ae1752d8ccca1ba6337d4a468e3fb0

  • SSDEEP

    98304:F3AszIKgNQbnhi1ZKUZWFCGFR62sn+s0eFyVJPJuyacAlKWjR9qw4H9U:F3jzIRi1S+LFR6DZwrPJuplKWvgW

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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 6 IoCs
  • Modifies data under HKEY_USERS 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\无害.exe
    "C:\Users\Admin\AppData\Local\Temp\无害.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4424
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2176
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xb4,0xb8,0xbc,0x90,0xc0,0x7ffa1af99758,0x7ffa1af99768,0x7ffa1af99778
      2⤵
        PID:3792
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1528 --field-trial-handle=1500,i,14189446686816062217,6699503910852010660,131072 /prefetch:2
        2⤵
          PID:4540
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1832 --field-trial-handle=1500,i,14189446686816062217,6699503910852010660,131072 /prefetch:8
          2⤵
            PID:4816
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3808 --field-trial-handle=1500,i,14189446686816062217,6699503910852010660,131072 /prefetch:8
            2⤵
              PID:1940
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4052 --field-trial-handle=1500,i,14189446686816062217,6699503910852010660,131072 /prefetch:8
              2⤵
              • Drops file in System32 directory
              PID:1412
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"
            1⤵
            • Checks processor information in registry
            • Suspicious use of SetWindowsHookEx
            PID:212
          • C:\Windows\system32\mspaint.exe
            "C:\Windows\system32\mspaint.exe" "C:\hotpfp.jpg" /ForceBootstrapPaint3D
            1⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:988
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:416
            • C:\Windows\system32\LogonUI.exe
              "LogonUI.exe" /flags:0x0 /state0:0xa3af3055 /state1:0x41c64e6d
              1⤵
              • Modifies data under HKEY_USERS
              PID:2368
            • C:\Windows\system32\taskmgr.exe
              "C:\Windows\system32\taskmgr.exe" /4
              1⤵
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:3308
            • C:\Windows\system32\LogonUI.exe
              "LogonUI.exe" /flags:0x0 /state0:0xa3af3855 /state1:0x41c64e6d
              1⤵
              • Modifies data under HKEY_USERS
              PID:3936

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Defense Evasion

            Virtualization/Sandbox Evasion

            1
            T1497

            Modify Registry

            1
            T1112

            Discovery

            Query Registry

            4
            T1012

            Virtualization/Sandbox Evasion

            1
            T1497

            System Information Discovery

            4
            T1082

            Impact

            Defacement

            1
            T1491

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
              Filesize

              512B

              MD5

              7646d932995445eafa0e7e4cf026eb7f

              SHA1

              eb180dfe5e71c71e00f48e7b32c365e604d1011a

              SHA256

              782e7e57935e39a845b71e6bd51981431faa47e2eca0b3bf90a3b5fcd4940635

              SHA512

              b90797d05139e916e1840d3c6230bd4f85f58a7e0424639ea1989fbf1a59dea50e8afe7d3971a0aec3ff776aa10ee194cb08e4e812ab146106da3bab4e139ec1

            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
              Filesize

              5KB

              MD5

              4ca2240e59f006a8ed074cad2cc9bfef

              SHA1

              a1afe7e38ef5311b9d74d28224aaece929781c6a

              SHA256

              7944058891a4a8f2e2d4a560baf03fd18a154565094e8162f3f6ee7691548c67

              SHA512

              b5757b009585e733d0cfaebfcbbd34cc2e00764b54ffd9475ead6c064ef9e1f5f1f7e08f55aeca0803b3ddf0176ac9af1ad0e3cac0bd6b38997c70a9852e10ea

            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
              Filesize

              10KB

              MD5

              bca673c4fe69b162ece43414f4f5f785

              SHA1

              cfcfb0ead788487bf5937b000a957080243b7d6f

              SHA256

              6c339589f932f08e90a3a76b57f859b877858f245c3db503f11e51c3aa209610

              SHA512

              65ad4c21955d4f73767ad59bc3e6a55deb9e0a2d2297d7f610656501caa9ca15140e52a4ef787aa8478b92e5d8eb273763fd29b3f9d441b2ad38cec33f0126cb

            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
              Filesize

              136KB

              MD5

              fe4991fd465bf289066caf4d8a68b312

              SHA1

              0505e2713b1c55d9a0882c47139afbc83d42b350

              SHA256

              c9393fe56979f609ddbe71fd1533db4a4f5badf5e8ec830298610c4f596ad291

              SHA512

              9523885f41e0d4aa645cdc8ea224c2b2dab644dabe0e93b14a2b5924dab4386cd13c5e105c2ce0b1462262f234cac45884fb0b99f9e9d1e2644556d237ea9318

            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
              Filesize

              264KB

              MD5

              f50f89a0a91564d0b8a211f8921aa7de

              SHA1

              112403a17dd69d5b9018b8cede023cb3b54eab7d

              SHA256

              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

              SHA512

              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
              Filesize

              2B

              MD5

              99914b932bd37a50b983c5e7c90ae93b

              SHA1

              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

              SHA256

              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

              SHA512

              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

            • C:\Windows\System32\catroot2\dberr.txt
              Filesize

              96KB

              MD5

              4370215e46d6ff86b0930f547bcd5df2

              SHA1

              18cc69339b08665b4b86081a6f23b77bf0d4c841

              SHA256

              6b94d0c97829d3188b3a2ac421a66310ce1725e4929e93df9d9dc81dc07791f6

              SHA512

              ac4f94e34670c8249f0198e8459e5375439532186a3f7d0234bd58ec3c546edb3803db3dae1eea4677b3bfe9dbcf59f6c6c2f08b2c996af8a7725d61685e8ba9

            • C:\hotpfp.jpg
              Filesize

              7KB

              MD5

              5d57fd1f5fc71fe54a5e75a0d99a1d57

              SHA1

              9a98a626640bf6a72bbae38cab1cb77cb9b5c0e4

              SHA256

              cf29608cb0fcc665b7ce2dd5f89ec8a0708e47387334a1e634f3d27d3e73e485

              SHA512

              3516320550a93c9ce49d28a5c51911452785f4cc6e0e892cf4cce34a24b1d53cde40d94579ecfea7c8e59946cf320eee26fb4ad433d7c0c9f71b89ec067bc3ca

            • \??\pipe\crashpad_1512_AGSKMFGGVCLFZIJO
              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            • memory/4424-7-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-25-0x0000000074AB6000-0x0000000074AB7000-memory.dmp
              Filesize

              4KB

            • memory/4424-16-0x0000000000400000-0x00000000013D0000-memory.dmp
              Filesize

              15.8MB

            • memory/4424-17-0x0000000005A40000-0x0000000005F3E000-memory.dmp
              Filesize

              5.0MB

            • memory/4424-18-0x0000000005FA0000-0x0000000006032000-memory.dmp
              Filesize

              584KB

            • memory/4424-19-0x00000000061A0000-0x00000000061AA000-memory.dmp
              Filesize

              40KB

            • memory/4424-20-0x0000000010000000-0x0000000010214000-memory.dmp
              Filesize

              2.1MB

            • memory/4424-22-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-23-0x0000000000400000-0x00000000013D0000-memory.dmp
              Filesize

              15.8MB

            • memory/4424-15-0x0000000000400000-0x00000000013D0000-memory.dmp
              Filesize

              15.8MB

            • memory/4424-14-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-12-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-0-0x0000000000400000-0x00000000013D0000-memory.dmp
              Filesize

              15.8MB

            • memory/4424-2-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-5-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-6-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-3-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-4-0x00000000749C0000-0x0000000074B82000-memory.dmp
              Filesize

              1.8MB

            • memory/4424-1-0x0000000074AB6000-0x0000000074AB7000-memory.dmp
              Filesize

              4KB