Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    20-01-2021 16:25

General

  • Target

    figg.exe

  • Size

    56KB

  • MD5

    dfd545dbc01cac5d86f94dd0a3c8d675

  • SHA1

    86b077d904d1f9bbb11d897a78e38924a421e0e8

  • SHA256

    5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec

  • SHA512

    72d3f60e21187b9feb34a28fe4464bbc54e6fbf3c329476657d8a4a89ad2ce632223f2a1226af0488f7ceeda7c3c836288de9110a0868042670c7e74e61a01b7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    noor.akbari@petrolnas.icu
  • Password:
    @Mexico1.,

Signatures

  • AgentTesla

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Windows security bypass 2 TTPs
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\figg.exe
    "C:\Users\Admin\AppData\Local\Temp\figg.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Drops startup file
    • Windows security modification
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\figg.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\figg.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\figg.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:616
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\figg.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:596
    • C:\Users\Admin\AppData\Local\Temp\figg.exe
      "C:\Users\Admin\AppData\Local\Temp\figg.exe"
      2⤵
        PID:1288
      • C:\Users\Admin\AppData\Local\Temp\figg.exe
        "C:\Users\Admin\AppData\Local\Temp\figg.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1316
      • C:\Users\Admin\AppData\Local\Temp\figg.exe
        "C:\Users\Admin\AppData\Local\Temp\figg.exe"
        2⤵
          PID:2012
        • C:\Users\Admin\AppData\Local\Temp\figg.exe
          "C:\Users\Admin\AppData\Local\Temp\figg.exe"
          2⤵
            PID:1312
          • C:\Users\Admin\AppData\Local\Temp\figg.exe
            "C:\Users\Admin\AppData\Local\Temp\figg.exe"
            2⤵
              PID:1896

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Winlogon Helper DLL

          1
          T1004

          Modify Existing Service

          1
          T1031

          Registry Run Keys / Startup Folder

          1
          T1060

          Defense Evasion

          Modify Registry

          5
          T1112

          Disabling Security Tools

          3
          T1089

          Virtualization/Sandbox Evasion

          2
          T1497

          Discovery

          Query Registry

          4
          T1012

          Virtualization/Sandbox Evasion

          2
          T1497

          System Information Discovery

          3
          T1082

          Peripheral Device Discovery

          1
          T1120

          Command and Control

          Web Service

          1
          T1102

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_03bfaf74-c48a-406b-812c-2684df821d22
            MD5

            597009ea0430a463753e0f5b1d1a249e

            SHA1

            4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

            SHA256

            3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

            SHA512

            5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0769b82c-50f2-4c9e-8549-e7a5dc0c5b15
            MD5

            354b8209f647a42e2ce36d8cf326cc92

            SHA1

            98c3117f797df69935f8b09fc9e95accfe3d8346

            SHA256

            feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

            SHA512

            420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1b0b2f5a-4fa9-4284-9780-9a1da7b14a47
            MD5

            02ff38ac870de39782aeee04d7b48231

            SHA1

            0390d39fa216c9b0ecdb38238304e518fb2b5095

            SHA256

            fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

            SHA512

            24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4caa4dae-7e21-428a-bedf-db52d796564d
            MD5

            7f79b990cb5ed648f9e583fe35527aa7

            SHA1

            71b177b48c8bd745ef02c2affad79ca222da7c33

            SHA256

            080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

            SHA512

            20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_85c7c16f-de6b-4cda-bf8a-ede9c5910d3d
            MD5

            df44874327d79bd75e4264cb8dc01811

            SHA1

            1396b06debed65ea93c24998d244edebd3c0209d

            SHA256

            55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

            SHA512

            95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a02197da-f9c8-43e6-9ff1-846e01d2d404
            MD5

            75a8da7754349b38d64c87c938545b1b

            SHA1

            5c28c257d51f1c1587e29164cc03ea880c21b417

            SHA256

            bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

            SHA512

            798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b771b377-145f-49e9-bf64-45e69646f7b9
            MD5

            5e3c7184a75d42dda1a83606a45001d8

            SHA1

            94ca15637721d88f30eb4b6220b805c5be0360ed

            SHA256

            8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

            SHA512

            fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c356f451-13b2-41fc-8d4c-54a293efa6e1
            MD5

            b6d38f250ccc9003dd70efd3b778117f

            SHA1

            d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

            SHA256

            4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

            SHA512

            67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ce569c42-07bf-442e-b377-8e9695c9383c
            MD5

            be4d72095faf84233ac17b94744f7084

            SHA1

            cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

            SHA256

            b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

            SHA512

            43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_cf4f99c2-e01c-4e4b-abea-5265303ed9b5
            MD5

            d89968acfbd0cd60b51df04860d99896

            SHA1

            b3c29916ccb81ce98f95bbf3aa8a73de16298b29

            SHA256

            1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

            SHA512

            b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d92d0adb-23cf-4fec-bc9e-e6a638cedc94
            MD5

            a70ee38af4bb2b5ed3eeb7cbd1a12fa3

            SHA1

            81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

            SHA256

            dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

            SHA512

            8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dadf780e-0f00-49bb-86e1-35585efd8a97
            MD5

            a725bb9fafcf91f3c6b7861a2bde6db2

            SHA1

            8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

            SHA256

            51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

            SHA512

            1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dadf780e-0f00-49bb-86e1-35585efd8a97
            MD5

            a725bb9fafcf91f3c6b7861a2bde6db2

            SHA1

            8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

            SHA256

            51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

            SHA512

            1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dadf780e-0f00-49bb-86e1-35585efd8a97
            MD5

            a725bb9fafcf91f3c6b7861a2bde6db2

            SHA1

            8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

            SHA256

            51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

            SHA512

            1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            ba6f550440d8a1ce273effe80605fac1

            SHA1

            888d473ec8d568d14c187b8acae2197838ad0805

            SHA256

            a552f896549a874a762088da3d64500045ae670caac2aeb37b79068161164693

            SHA512

            453baa9a4571dc9d93bfd16c687fdb632ecf6ad6137ad77384dfa61acb6db81bc512ac543147c253e4aa19246cfe93f214290f6977c250801706c8e323707fa8

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            ba6f550440d8a1ce273effe80605fac1

            SHA1

            888d473ec8d568d14c187b8acae2197838ad0805

            SHA256

            a552f896549a874a762088da3d64500045ae670caac2aeb37b79068161164693

            SHA512

            453baa9a4571dc9d93bfd16c687fdb632ecf6ad6137ad77384dfa61acb6db81bc512ac543147c253e4aa19246cfe93f214290f6977c250801706c8e323707fa8

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            e60097e760607b90968d6eba23c7503a

            SHA1

            016ee5ea6e0ae5cbfb4eb516b3fd120bbe3f8af3

            SHA256

            9aee453dc2721621cf56bd1b9f5942581cda317a91648d37eb4a0d1b278f9515

            SHA512

            5f414c816b7e7170fc6b07292bfc05b1c259f689b0f61a080f8887be40f2c03368bcf9380d5661913fe543bf2e110c733864cb99d238775305cfa97d064f022e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
            MD5

            39c264d8ad1f790dec9144fef84db9d3

            SHA1

            c9fb4dbd38804c940215f419cd7ff64c4418446f

            SHA256

            8b656595562a5e323f54a71bbb4803a1cb1c1e9ab32193634904ee12ce41f486

            SHA512

            d74ccb7fe2dfa67ad6dbae004badc2c7d4fa0d755db9cde15797eb185171edba6329f56ce81f5dc3906b0013be7c00d1820e563aeb41df1836feee12b5771cad

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
            MD5

            c567be87ebaec12edabb84f15ee3593f

            SHA1

            706a48e4951ec92c9887cc8e46f9f4bb6c1b358f

            SHA256

            d84956e34bdf6509b26f801e94e3955410d991681578d7fde095734b5637782d

            SHA512

            3e4d48065fcef745b613673bc553b5566e395f0661b75bc31ad40bd8385d076ef8bfcd1a4709fef53ae31e8dd3b34474717f36ece93d74b6b2be6b5b8f8a8ae8

          • memory/596-48-0x0000000000ED0000-0x0000000000ED1000-memory.dmp
            Filesize

            4KB

          • memory/596-12-0x0000000000000000-mapping.dmp
          • memory/596-22-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/596-50-0x0000000000ED2000-0x0000000000ED3000-memory.dmp
            Filesize

            4KB

          • memory/616-23-0x0000000004C50000-0x0000000004C51000-memory.dmp
            Filesize

            4KB

          • memory/616-101-0x0000000006350000-0x0000000006351000-memory.dmp
            Filesize

            4KB

          • memory/616-10-0x0000000000000000-mapping.dmp
          • memory/616-16-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/616-19-0x0000000000E30000-0x0000000000E31000-memory.dmp
            Filesize

            4KB

          • memory/616-100-0x0000000006340000-0x0000000006341000-memory.dmp
            Filesize

            4KB

          • memory/616-85-0x0000000005650000-0x0000000005651000-memory.dmp
            Filesize

            4KB

          • memory/616-78-0x00000000062D0000-0x00000000062D1000-memory.dmp
            Filesize

            4KB

          • memory/616-71-0x00000000057D0000-0x00000000057D1000-memory.dmp
            Filesize

            4KB

          • memory/616-36-0x0000000004C12000-0x0000000004C13000-memory.dmp
            Filesize

            4KB

          • memory/616-32-0x0000000004C10000-0x0000000004C11000-memory.dmp
            Filesize

            4KB

          • memory/616-70-0x000000007EF30000-0x000000007EF31000-memory.dmp
            Filesize

            4KB

          • memory/616-69-0x00000000056F0000-0x00000000056F1000-memory.dmp
            Filesize

            4KB

          • memory/616-58-0x0000000004A50000-0x0000000004A51000-memory.dmp
            Filesize

            4KB

          • memory/616-64-0x0000000005690000-0x0000000005691000-memory.dmp
            Filesize

            4KB

          • memory/1088-34-0x0000000002720000-0x0000000002721000-memory.dmp
            Filesize

            4KB

          • memory/1088-53-0x0000000002630000-0x0000000002631000-memory.dmp
            Filesize

            4KB

          • memory/1088-8-0x0000000000000000-mapping.dmp
          • memory/1088-17-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/1088-39-0x0000000002722000-0x0000000002723000-memory.dmp
            Filesize

            4KB

          • memory/1288-29-0x000000000043747E-mapping.dmp
          • memory/1288-30-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/1288-28-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/1288-37-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/1312-51-0x000000000043747E-mapping.dmp
          • memory/1316-33-0x000000000043747E-mapping.dmp
          • memory/1316-57-0x0000000000850000-0x0000000000851000-memory.dmp
            Filesize

            4KB

          • memory/1316-35-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/1652-3-0x0000000000F90000-0x0000000000F91000-memory.dmp
            Filesize

            4KB

          • memory/1652-2-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/1652-5-0x0000000004D90000-0x0000000004D91000-memory.dmp
            Filesize

            4KB

          • memory/1652-6-0x0000000004E70000-0x0000000004ED4000-memory.dmp
            Filesize

            400KB

          • memory/1652-49-0x00000000005F0000-0x00000000005F1000-memory.dmp
            Filesize

            4KB

          • memory/1864-41-0x0000000002560000-0x0000000002561000-memory.dmp
            Filesize

            4KB

          • memory/1864-9-0x0000000075571000-0x0000000075573000-memory.dmp
            Filesize

            8KB

          • memory/1864-18-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/1864-7-0x0000000000000000-mapping.dmp
          • memory/1864-45-0x0000000002562000-0x0000000002563000-memory.dmp
            Filesize

            4KB

          • memory/2012-44-0x0000000074710000-0x0000000074DFE000-memory.dmp
            Filesize

            6.9MB

          • memory/2012-40-0x000000000043747E-mapping.dmp