Analysis

  • max time kernel
    120s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 19:12

General

  • Target

    c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16_JC.exe

  • Size

    6.7MB

  • MD5

    41b8caca7e2c1ec36c2528fcd6a3f334

  • SHA1

    45ef2451a4916cf5c88e90eb1e4360f04ba3549e

  • SHA256

    c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16

  • SHA512

    f160616571478eb55fb6a61c94961c7c47b0db56f03638918641fdfbc505e929921b88a9059d44554edee6e6a1c4e73127c0db0fe9df0df8d69ac73f9fa4599f

  • SSDEEP

    196608:Rrp3ECTkyi+4l72FW1aq3BzV+gSYyPO6GEkhQAp6UFj4:VHw/lqFWYq3lV+gSYyP3GEkmJ

Malware Config

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\v1.exe
      "C:\Users\Admin\AppData\Local\Temp\v1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\SQLite.Interop.dll

    Filesize

    1.7MB

    MD5

    a73fdfb6815b151848257eca042a42ef

    SHA1

    73f18e6b4d1f638e7ce2a7ad36635018482f2c55

    SHA256

    10c9ccec863ed80850c7b7080e4f2e34b133ce259d1ae3ea7a305cebf6e2940d

    SHA512

    111f5a7bd916ab317fc127cbf49a2a81c2a614ce3a655a0446f2ebf3c2e61509db5633a391bef06c4ba0b58a71c752262ec2467a09abc56827263c647b08a09d

  • C:\Users\Admin\AppData\Local\Temp\v1.exe

    Filesize

    4.6MB

    MD5

    eb7f803cbace4fbc19716180481fbbe1

    SHA1

    9525001f6f88209d76baeba2eaf7a4d9325240dd

    SHA256

    bc79161f2093625fe17b17337979ccfdcedd18ff473ec008999f21f2b77bb081

    SHA512

    4d9cac839c2cacbfe3ff9c6a74ce22b2a68e8929dd3d89982dd6ea4640dad0e3215c6291cd0734b87c29ddf6880f8efec0bce43eb701492c6c2fe42dd0fdc886

  • C:\Users\Admin\AppData\Local\Temp\v1.exe

    Filesize

    4.6MB

    MD5

    eb7f803cbace4fbc19716180481fbbe1

    SHA1

    9525001f6f88209d76baeba2eaf7a4d9325240dd

    SHA256

    bc79161f2093625fe17b17337979ccfdcedd18ff473ec008999f21f2b77bb081

    SHA512

    4d9cac839c2cacbfe3ff9c6a74ce22b2a68e8929dd3d89982dd6ea4640dad0e3215c6291cd0734b87c29ddf6880f8efec0bce43eb701492c6c2fe42dd0fdc886

  • C:\Users\Admin\AppData\Roaming\SystemFiles\Process.txt

    Filesize

    265B

    MD5

    9b53b2ae3b4025bd570fab32574e8255

    SHA1

    d670e9db12c604354ea6acad1ba3ac9462c89ab5

    SHA256

    d11620a44f2f8203ffa2884519f05f5324d778031715ff112ba8f8aac58fa8eb

    SHA512

    8da0c8b4217b497affa85447c31b6290fd540722187be90b6421ab32312f2d778b9c08310a9a78b2518ded0cba52f75bb728b50e352cb663af612035385fb396

  • C:\Users\Admin\AppData\Roaming\SystemFiles\Process.txt

    Filesize

    398B

    MD5

    17a089fbc8a5c3bf60c82b4cc8db7ded

    SHA1

    4706fcd63b3b87b2d679e89b701dc21828b69379

    SHA256

    6989a6b8f73f383982bbbd9dc666cda670c8a004a5c17e3b9a7628de5d03410b

    SHA512

    4e89e9a824b2e51bcfc157d29a2220acec7782f48de265b798a7a8e23bad8fc2f88a658f33bbaf6b2c1cfcef7efa9bbce0b65312ca31d4108f62f5b34f412304

  • \Users\Admin\AppData\Local\Temp\SQLite.Interop.dll

    Filesize

    1.7MB

    MD5

    a73fdfb6815b151848257eca042a42ef

    SHA1

    73f18e6b4d1f638e7ce2a7ad36635018482f2c55

    SHA256

    10c9ccec863ed80850c7b7080e4f2e34b133ce259d1ae3ea7a305cebf6e2940d

    SHA512

    111f5a7bd916ab317fc127cbf49a2a81c2a614ce3a655a0446f2ebf3c2e61509db5633a391bef06c4ba0b58a71c752262ec2467a09abc56827263c647b08a09d

  • \Users\Admin\AppData\Local\Temp\v1.exe

    Filesize

    4.6MB

    MD5

    eb7f803cbace4fbc19716180481fbbe1

    SHA1

    9525001f6f88209d76baeba2eaf7a4d9325240dd

    SHA256

    bc79161f2093625fe17b17337979ccfdcedd18ff473ec008999f21f2b77bb081

    SHA512

    4d9cac839c2cacbfe3ff9c6a74ce22b2a68e8929dd3d89982dd6ea4640dad0e3215c6291cd0734b87c29ddf6880f8efec0bce43eb701492c6c2fe42dd0fdc886

  • memory/2180-12-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2180-16-0x000000001B580000-0x000000001B600000-memory.dmp

    Filesize

    512KB

  • memory/2180-17-0x0000000002840000-0x000000000289A000-memory.dmp

    Filesize

    360KB

  • memory/2180-18-0x0000000000940000-0x000000000095A000-memory.dmp

    Filesize

    104KB

  • memory/2180-25-0x000000001B240000-0x000000001B2A6000-memory.dmp

    Filesize

    408KB

  • memory/2180-15-0x0000000000570000-0x0000000000622000-memory.dmp

    Filesize

    712KB

  • memory/2180-14-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2180-43-0x000000001D050000-0x000000001D37E000-memory.dmp

    Filesize

    3.2MB

  • memory/2180-13-0x000000001B580000-0x000000001B600000-memory.dmp

    Filesize

    512KB

  • memory/2180-73-0x0000000000A00000-0x0000000000A25000-memory.dmp

    Filesize

    148KB

  • memory/2180-11-0x0000000000A30000-0x0000000000EC8000-memory.dmp

    Filesize

    4.6MB

  • memory/2180-82-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB