Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 14:09

General

  • Target

    VoIPstudio Setup 3.2.6.exe

  • Size

    72.0MB

  • MD5

    aca9432c8ef0796089cf6a69c6471022

  • SHA1

    301fcc9c4f2d41d380b6ca898bc97399f520f0e7

  • SHA256

    e3d4b22f7e9f9ab999b3743d67f3f6c0f8f3da9fb54593ce08610c148e7b4c16

  • SHA512

    dc9ed9569bb71548f3c47cab132e9307d271a8f95c66bf3dc095d7ca8a5d875b0cab7687b0676270372a5e5fb42afee5749d7a20227d474e8e956934a6c182cf

  • SSDEEP

    1572864:R8OiT5qCxgPCZnoQXI79xIgyEQsSCZW1c0/DSs2Jf9az/e:R81AC+qA9xIgyZ/W0/DXnDe

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 34 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 19 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VoIPstudio Setup 3.2.6.exe
    "C:\Users\Admin\AppData\Local\Temp\VoIPstudio Setup 3.2.6.exe"
    1⤵
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1040
  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe
    "C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe
      C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\VoIPstudio /prefetch:7 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\VoIPstudio\Crashpad --url=https://level7-rx.sp.backtrace.io:443/post?format=minidump&token=b262597be8487f7d206748f390a346af783be95bac7e2b7f01aca1c8ed9a43d0 --annotation=_companyName=level7 "--annotation=_productName=VoIPstudio 3.2.6 win32 6.1.7601" --annotation=_version=3.2.6 --annotation=plat=Win64 --annotation=prod=Electron --annotation=ver=20.1.0 --initial-client-data=0x314,0x318,0x31c,0x30c,0x320,0x14875c868,0x14875c878,0x14875c888
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2316
    • C:\Windows\system32\reg.exe
      C:\Windows\system32\reg.exe QUERY HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v VoIPstudio
      2⤵
      • Modifies registry key
      PID:2620
    • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe
      "C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\VoIPstudio" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1128 --field-trial-handle=1168,i,17830650687274011116,1971774857948520496,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1260
    • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe
      "C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\VoIPstudio" --mojo-platform-channel-handle=1496 --field-trial-handle=1168,i,17830650687274011116,1971774857948520496,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2924
    • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe
      "C:\Users\Admin\AppData\Local\Programs\VoIPstudio\VoIPstudio.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\VoIPstudio" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1148 --field-trial-handle=1168,i,17830650687274011116,1971774857948520496,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\chrome_100_percent.pak

    Filesize

    126KB

    MD5

    a3d4515d3a33a407d313a62818e82a5d

    SHA1

    967ff9a6774a66f7b3299af4fd5d70961ed54d79

    SHA256

    662a9db6ef4197cb4b6c50648a2cafceb7fd903015828df3fee605a602370be0

    SHA512

    0c757e1beccbca1ae0791fa0c51a9e2019696bd0965c73de67b364fba6f317ea2cf20fa65e4fa7dd22519683528e5112dc8c530049170f4e702e0c8d4e065801

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\chrome_200_percent.pak

    Filesize

    175KB

    MD5

    3bab45c70f22646cf8452c30903810cb

    SHA1

    40b31d4c79b5a2b8d12f8cf8b6c49c962c31f766

    SHA256

    d4282ae977f23afe252e19e421c8d09696ea3b83a1e73a6aaebaaa5547c74cbc

    SHA512

    85eda055494f0233c963e821906cf69d94e664d8396e8b08e7a8f412e1c16af71252fef1bfe3ed43cfad157aa90c0dcbb375626e2ddf0e807c9b23ad27e61d9c

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\icudtl.dat

    Filesize

    10.0MB

    MD5

    6690f2b2384e1bf8961fda96a4d07691

    SHA1

    111f6dd9833c653908431621fe8fbc87f1135632

    SHA256

    cb73d42d36839708013393ad0e4e932fdda9a1acda9275ecdbe74fe89eea8366

    SHA512

    6a5242fdc0ba09e339151feae1b3f7a9f00a09288b6f4ea9305d1a09d8bc3015c074ee91de35b8d6fc765c2fb55ec37dd91b8e66b7a7bb3148cbc305de19b088

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\locales\en-US.pak

    Filesize

    296KB

    MD5

    1e9b12891461eefd9db12e537965329c

    SHA1

    bf2346e045f79a70218890764b9318fa86886b36

    SHA256

    bd67fc968d75e77f2bae7ad552c398ccc4dad8635d74814c2046f813010c45e7

    SHA512

    3f01b9fc7e07bf6f3f8cda357debb83f73bb24179f6926d0b24114ac0078f42941a68842453bd7ee86cb759ef76e240b84278ebe1541cb659fb7caf3cf5b6820

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\resources.pak

    Filesize

    5.1MB

    MD5

    2962acbc85b125ba498bd3d97b6dd40f

    SHA1

    77455d7e59fb0925c750ae60b01f25d270a35923

    SHA256

    5bdbcb405a06885cb3db1130cd266bcaa6312a1f4888ed440461e20be6ce19ce

    SHA512

    9e933c38e2a2376e17af4882b7e79ea9d01c18919dafa00c1a913b0d8227e7f97b9ca99523afaaf74a5fc08a14f2522926a7bde7c56f97886f3078d33ecf5602

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\resources\app.asar

    Filesize

    41.1MB

    MD5

    413097bf6540e4296b2e0132b547b189

    SHA1

    3c7275cf323680d30d8cf5d24eb682c0c21d3f3f

    SHA256

    2b988f1818949ebdf0aa4bde85a593f5acde0d95d1638b09272888b8263deab2

    SHA512

    743b44d1e90aac0a7e633f5400edad86aefe3d84b98d93a8da50ca1767a44528ee2bc54acc96c2de43ee6cc9e8f67720b41fcbeb83700d3bc73d4470ef77d761

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\v8_context_snapshot.bin

    Filesize

    716KB

    MD5

    4451f66c2490eb3c78c287f95c9beed0

    SHA1

    3309b7022c1b8579b8c19d6ebfe4eccc4a25f9ac

    SHA256

    4fc62bc65ffed3f595a626cc5b66d72a85d3e7287005c00e321d896e61767499

    SHA512

    f8e7df190733383e8198025f660d243e8ae07bcbfc6d30d27f14381869b926c2c65ccd03ec60f665d8803df0a0e40f8ff648d0a8da87ae0a69b6d02dddc92423

  • C:\Users\Admin\AppData\Local\Programs\VoIPstudio\vk_swiftshader_icd.json

    Filesize

    106B

    MD5

    8642dd3a87e2de6e991fae08458e302b

    SHA1

    9c06735c31cec00600fd763a92f8112d085bd12a

    SHA256

    32d83ff113fef532a9f97e0d2831f8656628ab1c99e9060f0332b1532839afd9

    SHA512

    f5d37d1b45b006161e4cefeebba1e33af879a3a51d16ee3ff8c3968c0c36bbafae379bf9124c13310b77774c9cbb4fa53114e83f5b48b5314132736e5bb4496f

  • C:\Users\Admin\AppData\Local\Temp\nst29C0.tmp\StdUtils.dll

    Filesize

    100KB

    MD5

    c6a6e03f77c313b267498515488c5740

    SHA1

    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    SHA256

    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    SHA512

    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

  • \??\pipe\crashpad_1912_DVMTGXVOPCZBJTDS

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\d3dcompiler_47.dll

    Filesize

    4.7MB

    MD5

    cb9807f6cf55ad799e920b7e0f97df99

    SHA1

    bb76012ded5acd103adad49436612d073d159b29

    SHA256

    5653bc7b0e2701561464ef36602ff6171c96bffe96e4c3597359cd7addcba88a

    SHA512

    f7c65bae4ede13616330ae46a197ebad106920dce6a31fd5a658da29ed1473234ca9e2b39cc9833ff903fb6b52ff19e39e6397fac02f005823ed366ca7a34f62

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\ffmpeg.dll

    Filesize

    2.7MB

    MD5

    5969c017a8544a612d9609024a11e61b

    SHA1

    f4018bb5b1ada0a483f0cba9160ce868babf0da6

    SHA256

    f407da582f23f37b9d9f42c1c1e3cd998ef570806e0e80d6fb8c6305121a12e3

    SHA512

    0ea4393191d1a70bd459ad7da2d966347c3e561aa70a336f803297917a2850e00a3fc18b86e8c8a67a49192094230c76f5a64012980897f3fae5b3c83cb657a4

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\libEGL.dll

    Filesize

    458KB

    MD5

    2abf9522f402dfad5f33a880eb3f5839

    SHA1

    dc7f7d6f279a237238de40bdcb4c4ba0155e8d03

    SHA256

    8ec237e80f70e37652192a3940de4cbebcfa20afc09250770599c82708fdd99a

    SHA512

    0611808cf6bff371216f6ddd2691ccb0a67a05bdf866e6eb31144cd305cc47649ca9c74f46f0826a3d39b7c80c52a250f382ccfcb3669f912866a9203eaca7b7

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\libGLESv2.dll

    Filesize

    7.1MB

    MD5

    9e413e4af280574fe22375711b229d18

    SHA1

    03c59d608478987cf268522f4b8c3171e53133ef

    SHA256

    3daaafbd8a015003a54479c5ae7ef455073d924e846c08ca357c0af51713ea44

    SHA512

    a678264bbae93fad4077c9b11986dc9e33842b212e2212744f3ba848be73d4820d89662fc1c0f60ff03b9ddf9713e8c06479e6ecaf79fd4ddf384f02916da43d

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\resources\app.asar.unpacked\node_modules\keytar\build\Release\win32\x64\keytar.node

    Filesize

    691KB

    MD5

    c5c99144e2e1589628e14999ba59ad73

    SHA1

    9c80f8de6b5cdaf38677d5368b5287bacb9e465a

    SHA256

    90e35de89ab5e5f9290e4ff1bbadcf221a82b2aa0d9b922187dc980adff3c831

    SHA512

    0bcb99953397c6604d8e08bf2ba89248ee82f92436c2dcc779157b65227b0e1350927273a1b6d150a9db914d0a8830680df05ef651ee291b40657a3025a721c5

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\vk_swiftshader.dll

    Filesize

    4.6MB

    MD5

    ffab5bd97f5ea975565f91796e45f21b

    SHA1

    0151861fb9adcc991bbde253a6cef93bf3c4fb33

    SHA256

    78f457872d411c9435f124f13e45be3a9a233b1c09c66cc393ead7aacbe7e9f1

    SHA512

    b86a7365ba48bc714d6c618f18da79ed095b0527d7a0195f795f0f6befa4f4650021fff8b7806d29b3826e134b4b9c1622b366c110c21fb3d30e280b67a31ba5

  • \Users\Admin\AppData\Local\Programs\VoIPstudio\vulkan-1.dll

    Filesize

    849KB

    MD5

    06f202c0f47dd4a53e8ff81c4895a414

    SHA1

    d7e0ad009d690aa92510a47b25c3faaaeb1ea981

    SHA256

    9377fb4fe36f25195883a2dc3ecefc39c428ce384ccc25ff859cd081798b2a64

    SHA512

    de5b2412b210488fe3dd555c0e62053174323314294fbabef348d1a960ee1f63a643a79510f32db0ffa47a92f40650dec32f400e3aacfdcbbfe9710aefdf499c

  • \Users\Admin\AppData\Local\Temp\nst29C0.tmp\SpiderBanner.dll

    Filesize

    9KB

    MD5

    17309e33b596ba3a5693b4d3e85cf8d7

    SHA1

    7d361836cf53df42021c7f2b148aec9458818c01

    SHA256

    996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

    SHA512

    1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

  • \Users\Admin\AppData\Local\Temp\nst29C0.tmp\System.dll

    Filesize

    12KB

    MD5

    0d7ad4f45dc6f5aa87f606d0331c6901

    SHA1

    48df0911f0484cbe2a8cdd5362140b63c41ee457

    SHA256

    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    SHA512

    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

  • \Users\Admin\AppData\Local\Temp\nst29C0.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • \Users\Admin\AppData\Local\Temp\nst29C0.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

  • \Users\Admin\AppData\Local\Temp\nst29C0.tmp\nsis7z.dll

    Filesize

    424KB

    MD5

    80e44ce4895304c6a3a831310fbf8cd0

    SHA1

    36bd49ae21c460be5753a904b4501f1abca53508

    SHA256

    b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

    SHA512

    c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

  • memory/1040-207-0x0000000002990000-0x0000000002992000-memory.dmp

    Filesize

    8KB

  • memory/1260-284-0x0000000077140000-0x0000000077141000-memory.dmp

    Filesize

    4KB

  • memory/1260-253-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB