Analysis

  • max time kernel
    101s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 15:35

General

  • Target

    PO_DEA83657-ARF-(QR - 0621).exe

  • Size

    943KB

  • MD5

    465925dd7f0d7f41b5fff771e3cb8358

  • SHA1

    a7aa00da7f562e127c66e0c63b13ddde78fc3b08

  • SHA256

    9a5ea80dc3f334116c002ab185a5f54f80c72bcd11fcf5051b0a2e3a7704a3df

  • SHA512

    28c8db63e8706692d8350c1bb90b7f3a9ff37f3e66e5e3f96dfff34b7f0b6915525e156d08313e541086e6c1bac94e1c7d00060c83a0ac31354755290de493e5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.aetheredbs.com
  • Port:
    587
  • Username:
    purchase1@aetheredbs.com
  • Password:
    AtVywhA4

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe
    "C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    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\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SEkpoTgSjrLn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SEkpoTgSjrLn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp242.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SEkpoTgSjrLn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1708
    • C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe
      "C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe"
      2⤵
        PID:1064
      • C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe
        "C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        PID:1080

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    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

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5
      MD5

      02ff38ac870de39782aeee04d7b48231

      SHA1

      0390d39fa216c9b0ecdb38238304e518fb2b5095

      SHA256

      fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

      SHA512

      24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_178ecc18-426f-4e17-8d1c-3d8bfd4ad8d8
      MD5

      a70ee38af4bb2b5ed3eeb7cbd1a12fa3

      SHA1

      81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

      SHA256

      dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

      SHA512

      8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_27f5dca4-0499-4b76-a5cc-42a1c895a8e4
      MD5

      d89968acfbd0cd60b51df04860d99896

      SHA1

      b3c29916ccb81ce98f95bbf3aa8a73de16298b29

      SHA256

      1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

      SHA512

      b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248ba
      MD5

      75a8da7754349b38d64c87c938545b1b

      SHA1

      5c28c257d51f1c1587e29164cc03ea880c21b417

      SHA256

      bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

      SHA512

      798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3eaf8186-3f76-4f29-8310-26d67c610af4
      MD5

      354b8209f647a42e2ce36d8cf326cc92

      SHA1

      98c3117f797df69935f8b09fc9e95accfe3d8346

      SHA256

      feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

      SHA512

      420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370
      MD5

      be4d72095faf84233ac17b94744f7084

      SHA1

      cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

      SHA256

      b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

      SHA512

      43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295b
      MD5

      df44874327d79bd75e4264cb8dc01811

      SHA1

      1396b06debed65ea93c24998d244edebd3c0209d

      SHA256

      55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

      SHA512

      95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eeb
      MD5

      597009ea0430a463753e0f5b1d1a249e

      SHA1

      4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

      SHA256

      3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

      SHA512

      5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c6497d40-7b1f-443d-93f3-72958f076365
      MD5

      7f79b990cb5ed648f9e583fe35527aa7

      SHA1

      71b177b48c8bd745ef02c2affad79ca222da7c33

      SHA256

      080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

      SHA512

      20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598
      MD5

      5e3c7184a75d42dda1a83606a45001d8

      SHA1

      94ca15637721d88f30eb4b6220b805c5be0360ed

      SHA256

      8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

      SHA512

      fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9
      MD5

      b6d38f250ccc9003dd70efd3b778117f

      SHA1

      d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

      SHA256

      4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

      SHA512

      67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

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

      9ce5f8daa98413c5fd92a6ae2cfc2119

      SHA1

      f1b298deee1a40c135781749ceb6088eaeab196c

      SHA256

      fa6d64c55c5a2999b5df81d980f7fdca1ac197b787aecfaf1a088e8a2dfc0725

      SHA512

      c813aa65a8c581dd9712f28ac6c82ab04232425881b1f83f01e4416a1387bdc567b2b0aa8284b6674f9b47986048a3a6856fd24ffa3fd19dd1c129bc2f74e9b2

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

      78f5ee405c1f3510135e30f5995c98e5

      SHA1

      3a397932bc95dabd243b1f8feaf55989e541fe41

      SHA256

      c3ee2ebf32819696a981b63756de66d3d5b272f76d6ec75712a2504d8d6dee8e

      SHA512

      222b7aa5781c67a57b30c8d049a2298047a726eb1320ff1c0b828afca7725109328bfd64a0f53d5e822682c18520bdec08675cc26da0d13b07bbb9a11b25a52b

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

      a11eb680fafa63d54a4b7c9931bafe71

      SHA1

      3994c15d5fcd43179b7ae729a739b4848d83145b

      SHA256

      9a62021137163eedbccabbce9719eba2bd857ce4c24cc3bc8097e59ebe789a28

      SHA512

      2e68bb20252349c1d819af9fd1186d879bc7911ca54332408ef70167bdc57a9bcf4de9782dca49858b2d37d324277b3c84c6b8b125f0c6f34f43883a93a17023

    • C:\Users\Admin\AppData\Local\Temp\tmp242.tmp
      MD5

      4a498f2ca15108e4f1e74beb113fcee0

      SHA1

      d1a3f9b2372fa9fc1efdb771a85ba3de8262b64a

      SHA256

      2ccba14df7657d8d6bd89b9a2bbe2303c3d857edacb0cb2fe6419a98567f02de

      SHA512

      735e6fc79ae0b53995a9e78f638fdd070bca96467217019353a4dcd748743a74c7093878e1fa13bab71f41cdd9404ee08ccc461aa53f33de6a193d80565ba4a8

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

      1171166882f1a08335ae16dbc09be860

      SHA1

      fb143ebb8255ba8df591b9eca3ec0d2a32c7df7b

      SHA256

      4af0a90165fc5093581be49f71723f6a2e2f798702d58d27381315c294a5cc95

      SHA512

      9fa70d5f89a6eeaea0c7261ca75a6f790d31e600910251d9f954031f1a2d0f87a21b7bc185c6b93d0f19c8d11ab3970763e1523337d2d0851fe83fa5c48b6766

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

      1171166882f1a08335ae16dbc09be860

      SHA1

      fb143ebb8255ba8df591b9eca3ec0d2a32c7df7b

      SHA256

      4af0a90165fc5093581be49f71723f6a2e2f798702d58d27381315c294a5cc95

      SHA512

      9fa70d5f89a6eeaea0c7261ca75a6f790d31e600910251d9f954031f1a2d0f87a21b7bc185c6b93d0f19c8d11ab3970763e1523337d2d0851fe83fa5c48b6766

    • memory/332-70-0x0000000000000000-mapping.dmp
    • memory/1032-89-0x0000000001F10000-0x0000000002B5A000-memory.dmp
      Filesize

      12.3MB

    • memory/1032-69-0x0000000000000000-mapping.dmp
    • memory/1080-81-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1080-75-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1080-93-0x0000000004B40000-0x0000000004B41000-memory.dmp
      Filesize

      4KB

    • memory/1080-78-0x000000000043789E-mapping.dmp
    • memory/1708-99-0x0000000005740000-0x0000000005741000-memory.dmp
      Filesize

      4KB

    • memory/1708-120-0x0000000005700000-0x0000000005701000-memory.dmp
      Filesize

      4KB

    • memory/1708-105-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/1708-106-0x0000000006320000-0x0000000006321000-memory.dmp
      Filesize

      4KB

    • memory/1708-113-0x00000000062A0000-0x00000000062A1000-memory.dmp
      Filesize

      4KB

    • memory/1708-86-0x0000000004A20000-0x0000000004A21000-memory.dmp
      Filesize

      4KB

    • memory/1708-88-0x0000000004A22000-0x0000000004A23000-memory.dmp
      Filesize

      4KB

    • memory/1708-136-0x0000000006440000-0x0000000006441000-memory.dmp
      Filesize

      4KB

    • memory/1708-135-0x0000000006430000-0x0000000006431000-memory.dmp
      Filesize

      4KB

    • memory/1708-74-0x0000000000000000-mapping.dmp
    • memory/1708-104-0x00000000057E0000-0x00000000057E1000-memory.dmp
      Filesize

      4KB

    • memory/1864-64-0x0000000000750000-0x000000000078C000-memory.dmp
      Filesize

      240KB

    • memory/1864-61-0x0000000004F50000-0x0000000004F51000-memory.dmp
      Filesize

      4KB

    • memory/1864-62-0x0000000000590000-0x00000000005AB000-memory.dmp
      Filesize

      108KB

    • memory/1864-59-0x0000000000A20000-0x0000000000A21000-memory.dmp
      Filesize

      4KB

    • memory/1864-63-0x0000000005320000-0x00000000053A1000-memory.dmp
      Filesize

      516KB

    • memory/1868-94-0x0000000004750000-0x0000000004751000-memory.dmp
      Filesize

      4KB

    • memory/1868-67-0x0000000000900000-0x0000000000901000-memory.dmp
      Filesize

      4KB

    • memory/1868-66-0x0000000076A81000-0x0000000076A83000-memory.dmp
      Filesize

      8KB

    • memory/1868-65-0x0000000000000000-mapping.dmp
    • memory/1868-68-0x00000000048A0000-0x00000000048A1000-memory.dmp
      Filesize

      4KB

    • memory/1868-82-0x0000000004862000-0x0000000004863000-memory.dmp
      Filesize

      4KB

    • memory/1868-90-0x0000000002450000-0x0000000002451000-memory.dmp
      Filesize

      4KB

    • memory/1868-79-0x0000000004860000-0x0000000004861000-memory.dmp
      Filesize

      4KB