Analysis

  • max time kernel
    121s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    02-05-2021 19:01

General

  • Target

    a5937041063c107e53aa616a70563f9e.exe

  • Size

    920KB

  • MD5

    a5937041063c107e53aa616a70563f9e

  • SHA1

    e1b2b2480335d336acbe40a3813cc0d65e038381

  • SHA256

    23b84f8149e9a0bf3df34aad56d8b94ae403d5a9bdfa11938d88079c60272399

  • SHA512

    7edac469d0a16da63d680e370e2dbeaf3a5a96edfe85ab8a2999aa628dbd37798c772518d151d9a254054485e639386276657914bd87c5c7fefdb0fc8e2b4164

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

marianalaverde03.duckdns.org:1884

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    oORt18LzEonwQkpy6YecznQmk0pSL84k

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    marianalaverde03.duckdns.org

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    1884

  • version

    0.5.7B

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload 3 IoCs
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5937041063c107e53aa616a70563f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\a5937041063c107e53aa616a70563f9e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1748
    • 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\a5937041063c107e53aa616a70563f9e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GcRDpwO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:268
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GcRDpwO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB57A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GcRDpwO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1456
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1812

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

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_216bf318-d771-4a41-9823-f85ac28be5ee
    MD5

    a70ee38af4bb2b5ed3eeb7cbd1a12fa3

    SHA1

    81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

    SHA256

    dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

    SHA512

    8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

  • 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_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_c58e2901-8107-4e15-8506-4d94bf05ad0a
    MD5

    354b8209f647a42e2ce36d8cf326cc92

    SHA1

    98c3117f797df69935f8b09fc9e95accfe3d8346

    SHA256

    feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

    SHA512

    420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_da697458-d499-4adf-bc99-599130786339
    MD5

    d89968acfbd0cd60b51df04860d99896

    SHA1

    b3c29916ccb81ce98f95bbf3aa8a73de16298b29

    SHA256

    1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

    SHA512

    b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

  • 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_fd85764e-4be3-4d89-b30c-3567754201d7
    MD5

    7f79b990cb5ed648f9e583fe35527aa7

    SHA1

    71b177b48c8bd745ef02c2affad79ca222da7c33

    SHA256

    080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

    SHA512

    20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

  • 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

    2cdf32fdc217c7226c70929b6153c17e

    SHA1

    d6eea4ad1c209799ee22f7349b72c343997e14fe

    SHA256

    0ec81a5881465fc269c707d291e7e9b3041f2389e2232ba5913be78d247dd5ee

    SHA512

    6ed6eda1b8382563ce7f7f310c4f7881b8550d45cd465fcea347a603d16863f3f28084d7794bf252ecf92cd9578c62f9b95f61998d29ac8e24162c36992476c7

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

    7b1c711a1b3038025cb8545013aa4f13

    SHA1

    e5e90545acc73aeb7b06448bd0a16be195467938

    SHA256

    ef527f29409183f7e18c95ec7211c65b0ce7e516d6fc4827a5b2f263a867803b

    SHA512

    0270d4ccc4ddb1ae2f6e0c478090d46f0cdf18ce37c0eb09011a0db2a0ef886ffc1042b82c4a5f351a73c89fd6ad88ef0ae3f60e5ad6d1e63bb5989975d335c4

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

    ea474491bfc88ae4df2796f33d9749e6

    SHA1

    91ac3627f97585ea2610dbe1d46ad94c13e110ba

    SHA256

    cda6a798a859918dcbfdb33d099b2316224876ea3579d4c3eaed837353f4f804

    SHA512

    8e87d8ca77239e76afedbfa89b2caf95b25ac95b17529e2d94ace12ee087476a6b81e3c2946d60319afb894538289b6366956b70d0bdf3b8ded731dab03ee484

  • C:\Users\Admin\AppData\Local\Temp\tmpB57A.tmp
    MD5

    af92159185ee5f493e618157b77b6a94

    SHA1

    8cd16f180dfeb122f84eece1575673dbd03c8159

    SHA256

    5316570234c8bdecb4a147853d73d16c8707eedf8e78e10b4fe3ecbb967706a6

    SHA512

    a6fc7f89343b3ed5cd75c6d91e30d02263f92629bd00c17cfd0dfc821ab6b4738cb7ddc2bf7b7df3af346b477a4e622f69cbdc5f423f2a8971ade2ac8ca10e8d

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

    9ba8610b7d8277c5fe7207eabad6d375

    SHA1

    7c2bc429d47ed1e7552b1191edb97c0899a39eb1

    SHA256

    fcf08928a0cc4ced2fd2f861f755fa16cd4230bd042ed4f9b9fa6041039ecccb

    SHA512

    be4615ec01c336b739fb0e8f660783f6276c6061e78043cfda95c9d1c95bc6cd12223ed11935cc1e00456972cde7723c4bf81a66c3518b2dd97c64a7735d2474

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

    9ba8610b7d8277c5fe7207eabad6d375

    SHA1

    7c2bc429d47ed1e7552b1191edb97c0899a39eb1

    SHA256

    fcf08928a0cc4ced2fd2f861f755fa16cd4230bd042ed4f9b9fa6041039ecccb

    SHA512

    be4615ec01c336b739fb0e8f660783f6276c6061e78043cfda95c9d1c95bc6cd12223ed11935cc1e00456972cde7723c4bf81a66c3518b2dd97c64a7735d2474

  • memory/268-68-0x0000000000000000-mapping.dmp
  • memory/268-89-0x0000000000C50000-0x0000000000C51000-memory.dmp
    Filesize

    4KB

  • memory/268-90-0x0000000000C52000-0x0000000000C53000-memory.dmp
    Filesize

    4KB

  • memory/268-74-0x00000000048C0000-0x00000000048C1000-memory.dmp
    Filesize

    4KB

  • memory/268-73-0x0000000002250000-0x0000000002251000-memory.dmp
    Filesize

    4KB

  • memory/1456-100-0x0000000005790000-0x0000000005791000-memory.dmp
    Filesize

    4KB

  • memory/1456-125-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1456-105-0x0000000006180000-0x0000000006181000-memory.dmp
    Filesize

    4KB

  • memory/1456-106-0x00000000062E0000-0x00000000062E1000-memory.dmp
    Filesize

    4KB

  • memory/1456-114-0x00000000063C0000-0x00000000063C1000-memory.dmp
    Filesize

    4KB

  • memory/1456-77-0x0000000000000000-mapping.dmp
  • memory/1456-93-0x0000000004920000-0x0000000004921000-memory.dmp
    Filesize

    4KB

  • memory/1456-94-0x0000000004922000-0x0000000004923000-memory.dmp
    Filesize

    4KB

  • memory/1456-139-0x0000000006450000-0x0000000006451000-memory.dmp
    Filesize

    4KB

  • memory/1456-86-0x0000000004960000-0x0000000004961000-memory.dmp
    Filesize

    4KB

  • memory/1456-138-0x0000000006440000-0x0000000006441000-memory.dmp
    Filesize

    4KB

  • memory/1456-121-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/1468-69-0x0000000000000000-mapping.dmp
  • memory/1728-95-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/1728-66-0x0000000000000000-mapping.dmp
  • memory/1728-67-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

  • memory/1728-91-0x0000000002140000-0x0000000002D8A000-memory.dmp
    Filesize

    12.3MB

  • memory/1748-60-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1748-65-0x0000000001F20000-0x0000000001F35000-memory.dmp
    Filesize

    84KB

  • memory/1748-64-0x00000000048D0000-0x000000000492D000-memory.dmp
    Filesize

    372KB

  • memory/1748-63-0x00000000005D0000-0x00000000005DD000-memory.dmp
    Filesize

    52KB

  • memory/1748-62-0x00000000049A0000-0x00000000049A1000-memory.dmp
    Filesize

    4KB

  • memory/1812-80-0x000000000040C74E-mapping.dmp
  • memory/1812-128-0x00000000003A0000-0x00000000003A1000-memory.dmp
    Filesize

    4KB

  • memory/1812-81-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1812-79-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB