Analysis

  • max time kernel
    71s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2023 06:40

General

  • Target

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

  • Size

    3.6MB

  • MD5

    36fd273ea7607d3a203f257f4e2649ed

  • SHA1

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48

  • SHA256

    471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

  • SHA512

    cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d

  • SSDEEP

    98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Malware Config

Signatures

  • Detect PureCrypter injector 1 IoCs
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
    "C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1740
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1580
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1392
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1516
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:2004
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:520
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1932
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1560
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:332
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1924
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1716
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

    Filesize

    351.3MB

    MD5

    6c1ac0baca39fc34824619a8ef3914e8

    SHA1

    c7996345709cd531f74d4051588028f96536d770

    SHA256

    d406ceefb6fc45bb649c7936aaeca9944561af3ed6860241b075cf0fe115a906

    SHA512

    1463ff022e2822e24791d1582612542043b0e7fffc854ef0c385f029b25c123339fd38aee77cf98b053e8d8fbd889910fc3779de28701a7d5bce4035f9a85ea0

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

    Filesize

    339.1MB

    MD5

    fcadb73dc20f90a8b5937409f4a2e8b1

    SHA1

    d237869920554647614a560b986fbed2ed498e13

    SHA256

    c20c3aab22bc945c86fc02c6339156aa1f23e7ac2b64e37514a49e354cf5aebb

    SHA512

    54d3a008fb570801af2d73d44c7131e925535e6511a4ab79fb54401d2d87ead8bcc797e3067caf6814f3d1a6312a7c2ba1c41a384eb3a5ef67ef3f21b50ca63e

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

    Filesize

    7KB

    MD5

    e8adaa6e33c3ceac0cd066f0c75afc66

    SHA1

    aa91ecac1e33ec441a80221ff238cbc353889569

    SHA256

    c23a107d4ff4c5aeb0d50404c624fad20e08efda5d54f5e8573eb371e7682683

    SHA512

    23fd4fd9a71e35de9fc902447a203ee05bf4976fb42f5d37b8aa7d34aefb67dfb915c97b9691631b050d7f275ec4427f27351c25c718b0523912e10c2f38a4e7

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    199.0MB

    MD5

    f5df90775011edfcb71d9a1451d0c0dc

    SHA1

    e9a40a30897a79e67b83671b84124992e2eca315

    SHA256

    bfce254fa86c1991fb0a2a081445f919e1b2369c8219da9b07b6a5d1caf91187

    SHA512

    50a344652fee59973704281a1bd525ad0a9c9ef3fdf279973dab2fe9432e6e7c7cf88753b2405048821454ee9c998d59fb746a6694fcfe63c4161ca7c797c399

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    197.5MB

    MD5

    daf6b375e78af08a0947f3fb8092a757

    SHA1

    80775802ff222d617784e4c110f07da382eea751

    SHA256

    c4b5f3512caecf523dc288a9110214e3f01f0f22a7520b721f4c139038203d8d

    SHA512

    b955f1a74b961e0a0932a0d5406a02cc70a82afb4d961512423558a14a7f72f8efea97683667be547a53d6fc2776a171aa5257266d54e8ff32e617172aeba918

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    96.8MB

    MD5

    d924ee624ac065ef919476bc26d1a170

    SHA1

    563f461d53b0a0b8e7b0ad1228a77a1cc0cb5139

    SHA256

    4acf230670486df861490158a9ff58f8372897a97b4bb0b9dcd5c7f5a5222032

    SHA512

    0a37f0b3aa83948d770b84aa2468c437fd081f316d05fbf3fb11ddfede2b745c4a8a9ab5769233f88e1730a906dae4fc4a1231f08fb4d115613cc41668719ef3

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    94.9MB

    MD5

    caefe71bee2c19dc0835b8bd26f1aba1

    SHA1

    aea1aa0f49a8b85b3610a70d40ee85f063151aef

    SHA256

    eaaa5a2d1b2fad96f2a9855664f357a79e4bdff78e242b781874579bf38bebff

    SHA512

    d5b48eb9e3f9c569f09194b4e3a4553ef0d688eb6b587a480bceac0cf118722f81cc3e68b867fe03320118d47d8d218086a7d89014863754da446b68f5e08af7

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    96.0MB

    MD5

    c89f61ef560c79f487730c869873c2df

    SHA1

    fb5340d2345a5b452962db8b24b92e640b8fe227

    SHA256

    028675a284d5f151338d08f03d3fb4f933769daf443895539864a7a7714a977c

    SHA512

    080f42a44da808bed6c86245fc083493d63482f8a184a1a1affd8a1938769c286c697023fa9fee02209f2742c25fabae34b1339240dd25e4becea6ea9eac8892

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    96.8MB

    MD5

    42bd5286c291abea2a71db696863ba78

    SHA1

    bc7dd96cb791106e491a13903539c4fe407cf9f9

    SHA256

    b3788968abcce0407c8689b1e0c3a63fe4911c447eff2c33de9c1ed9f33d2936

    SHA512

    d26f40261ff42e2420235f8e56ed478d1a8846d609163c43d3d5c011cbb4843369e5e098926dad5c338d30383c0ef0b5cc5b7aa4a5092ff45c6ba234da98b2b1

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    97.2MB

    MD5

    18ed78b6aaa0c9fc5deba51033bcf3ee

    SHA1

    a42b1a681db3167817dbb532f9f1c9e6465b6f3b

    SHA256

    fe8d355a2afc3d13085ad398598329cdeaeee8429665ab4b763ba3b991a7571b

    SHA512

    04200f857f633c431c794b7832ebef0f5c5983cd1b508b18052659e10cf34bdf1232f15b988d5a9224fbfbcb14ceadae083f89fb4b92cc96ea409c1835f89f01

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    98.9MB

    MD5

    3e09bbfbf6898a44b119c9f43633ad9b

    SHA1

    fb663cbd7cef51e3fa6ac52904b4dc7b5a4b2d23

    SHA256

    7f54efed265a0c195c560a88b05e4862eb723cb677d8b64ccf1ae0c2b2011462

    SHA512

    f6b2ba8a3022e145c15af13dbfeae102ec1b43f4de688691006c6f81ba6c52aed481d6c0621bcb3911b209c0811923a84a2409fe3309fdc83b97bbde8f28cfed

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    96.2MB

    MD5

    b92bd35ad8de1950be1c740331eea18c

    SHA1

    2f544f37309d2005ee0fa32bf2cc7695481794fe

    SHA256

    898ba714f3af57b2ae6946cf4af48403da54958fa9cf6d188ed2f4d9ef2eeea0

    SHA512

    344dfc3910e563735b310378dd5609e1b364597e15841cf5ed2844f2b33778b1f855c671ac81a928a64a54f1dea9e049bb1c63735f8923b31da0fae56eee74ea

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    82.8MB

    MD5

    e6b0c5619b44df0fa0032a612081d576

    SHA1

    e922d705dedcae8ef34970e09eb6f145212bbbd1

    SHA256

    cee86c0a13709af5f71a310fe0d7116d828b609732cc73b1f3120ae5c9611d4d

    SHA512

    07d80dc55ebf94cc20e33b2b0a0a3bd95b6f21234776d6c2d965b2f37ffc722c29ff2792ed6d26a6c3e3508bc6aa188558a4be3894cfd424ce4dc5120adb045a

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    94.8MB

    MD5

    0d2ee68aa102867b50b961e56454a919

    SHA1

    1878ace5e9cff8d35f1931ea5720b35e3ec06952

    SHA256

    2cbb27d9dd52347645d4c48b30c6a498e360c9ff41387aaabc687e89ef788451

    SHA512

    8e2066b23a04a0fecf551debd28148c999200884ada05d8a608034a9fd290f51690ae20ab80526f6914c5bb624c158473b526af3a2698981ea078b8647aa6d48

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    97.4MB

    MD5

    5f3052cf42a606a5808c7a7f58984b36

    SHA1

    163a3006bcf1d8a2a4d957b9a4f22865364af009

    SHA256

    a8fe7b2479ed4569828dd29d83f6688e5f70b4c098810a49b575d14512b9dc44

    SHA512

    56dfc3881cc968a2a7300f562661bfb36b26e0421c305b6972d533def97bc3f20e66150e0621e03b3b9f615d60a5c6d4691e3ac6f9f6f92d1b6a436029496866

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    198.2MB

    MD5

    ddba5bf882e95dab57c8b390a912afdb

    SHA1

    e843bb49e1ec2cfa47b5e6f0b29b3f082dc535c4

    SHA256

    06c29a99e5e94baa13bd98910a181ffe3250a1c21997ccabe5b034412f045ba1

    SHA512

    eee68556460160a8ac55b27602cb0a431559a79a0f2cb2d8b147a337f8aac33215037084f77c90a19e9e6806fff5a1ebd47d11d2e419f81f13225639a1a78f30

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    188.1MB

    MD5

    422543257d3fad82e38d8a6e5aeb9045

    SHA1

    1da98e6eb03cbd88ce86939ae3f24c1b0b9d8376

    SHA256

    1c53643537a39d8ac5143c9e8bc2e1cee3489faf8c82bb60c4baf3413a35b00e

    SHA512

    16deedbf02cc3665de6c4d5712ea2efc85c2b3b16b6b4ed3f77a1a7fb11d9342b31ccd12b1e22a6ecb1d464dfb33146e8b007af218e28cc16693f1c584793bfe

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    198.3MB

    MD5

    32c2711a7a03fb1e6b1bd709a7848e42

    SHA1

    67a331b3603f14877c26aeec215a9d20e27a5f0a

    SHA256

    18002db43900d205e9ebc9b0eb8faa3af1905bcde014820cb57f3487b683a28e

    SHA512

    257f11a5f61bb17d9667a6e63ef825ad21079f589b389bed6c9778b2f8658ca4462cc5a7ab411c74da1166611673d8eab7f9c35b1e16235f6d7b321f84d0ee19

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    196.4MB

    MD5

    50ee3329b32ad96c6e2fae5be7c2cb23

    SHA1

    18035b02b84d27e0fa1f6d9a3ffbac974e854bd0

    SHA256

    8af71a870fcd751759c3eb15bd15d9d842c429018a3ed009fbb22fe40039f909

    SHA512

    97ce8ee969b0da326d5ce73c8b9c3969bbed79feb9157fd450fd9c1cfc69e59c9e8b136c176d37f605c6a695380b915429cc798d3dafe469634c5e26ac212e3d

  • memory/1228-73-0x0000000005270000-0x00000000053E2000-memory.dmp

    Filesize

    1.4MB

  • memory/1228-66-0x0000000006480000-0x0000000006820000-memory.dmp

    Filesize

    3.6MB

  • memory/1228-65-0x0000000000380000-0x0000000000AF4000-memory.dmp

    Filesize

    7.5MB

  • memory/1580-86-0x000000006FFA0000-0x000000007054B000-memory.dmp

    Filesize

    5.7MB

  • memory/1580-88-0x000000006FFA0000-0x000000007054B000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-71-0x000000006FFB0000-0x000000007055B000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-70-0x000000006FFB0000-0x000000007055B000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-69-0x000000006FFB0000-0x000000007055B000-memory.dmp

    Filesize

    5.7MB

  • memory/1952-56-0x00000000762F1000-0x00000000762F3000-memory.dmp

    Filesize

    8KB