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Analysis

  • max time kernel
    61s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/04/2023, 07:57

General

  • Target

    file.exe

  • Size

    7.2MB

  • MD5

    625afe348f255f928094b9e3b92d2664

  • SHA1

    d0cdc33730663dffe4d9826d041a15ccb02a7880

  • SHA256

    b01c9104e3c8210e44629d12b895164de941215f47f9c02826640af1e80e2876

  • SHA512

    0260d36d2e92633dfc127a9eb521d617f5ef2eaab2e4955ef4d3b746bec210511b48e55d94abda501706e42a0f2aefc3523fcef8732f4895617c9851f52df779

  • SSDEEP

    196608:kWL9Awy6WpqUlfS1RAhXLM2nDpC0h05N3klfVVWCbA7:nL9AwQpqLiXPh05N3klfnPG

Malware Config

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 17 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\DpEVRdV4sN8vpEBkLoZA.exe

    Filesize

    298B

    MD5

    3861a3795095fe81fcb8382d2b9066bd

    SHA1

    2cef2af9a35d636c3af48902c20891ec49a8e791

    SHA256

    b19463cb9b847bdfc7dbf8133d9702d0a0ecc4175335c4a75db211e0196f84b3

    SHA512

    8e881d7f7a8236d36aef500473a3dbc5a98d46c1596d33ab76e4669f858d86c6b4881c0882c37d2d32b888fcaf6280385932ca5ffc6a5143d625c71b8fc8b294

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\softokn3.dll

    Filesize

    141KB

    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\softokn3.dll

    Filesize

    141KB

    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\Users\Admin\AppData\Local\Temp\LocalSimbamxM11fFgdbI\softokn3.dll

    Filesize

    141KB

    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\Users\Admin\AppData\Local\Temp\LocalSimblmxM11fFgdbI\information.txt

    Filesize

    3KB

    MD5

    1b09fcd904cba9207ae8c51935227201

    SHA1

    28c2277f7031c2cfd08ce489b6a6434a25e2b8b8

    SHA256

    de9b66dd1d9404f58fc18c5a0d038fb13ecb93a265b93265d64fd3a40e4c80d6

    SHA512

    ec3cda946f99bd6f857a48ec8986686bedda92402dbeeecafec636dedd9833bf7d3aaccb9250cb74a6fdb83dc4330f308bbd2417cae89a6b53d0725c6e6f6c53

  • memory/2548-148-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-141-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-147-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-133-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-146-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-145-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-144-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-143-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-142-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-149-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-156-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-151-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-236-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-150-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-134-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-252-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB

  • memory/2548-261-0x0000000000F40000-0x0000000002AFA000-memory.dmp

    Filesize

    27.7MB