Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2023 16:20

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c59fdd5b90add682937cc8dfccfb84d460ea9f14c3dc9df895a0b8596877fb16_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4908
    • 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:1732

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\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\Local\Temp\v1.exe

    Filesize

    4.6MB

    MD5

    eb7f803cbace4fbc19716180481fbbe1

    SHA1

    9525001f6f88209d76baeba2eaf7a4d9325240dd

    SHA256

    bc79161f2093625fe17b17337979ccfdcedd18ff473ec008999f21f2b77bb081

    SHA512

    4d9cac839c2cacbfe3ff9c6a74ce22b2a68e8929dd3d89982dd6ea4640dad0e3215c6291cd0734b87c29ddf6880f8efec0bce43eb701492c6c2fe42dd0fdc886

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

    Filesize

    1KB

    MD5

    0d6a168235c7ca47cb019552abcf644e

    SHA1

    2fab209e67eef5df010632427300c340d35070a9

    SHA256

    f5d03309b622fa8bba35b784b7f2b139a6af5258299b3d63027d04cb83bad697

    SHA512

    918fb5a0a6e81b5ddbce27c56ba2875a39fa967e59e4ad7d392b4bae146aaf334d5382ddf8293669860f47652ca333d23b956c65ea6e9d850e9895252092d2f0

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

    Filesize

    1KB

    MD5

    0d6a168235c7ca47cb019552abcf644e

    SHA1

    2fab209e67eef5df010632427300c340d35070a9

    SHA256

    f5d03309b622fa8bba35b784b7f2b139a6af5258299b3d63027d04cb83bad697

    SHA512

    918fb5a0a6e81b5ddbce27c56ba2875a39fa967e59e4ad7d392b4bae146aaf334d5382ddf8293669860f47652ca333d23b956c65ea6e9d850e9895252092d2f0

  • memory/1732-19-0x00000207E4950000-0x00000207E4960000-memory.dmp

    Filesize

    64KB

  • memory/1732-56-0x00000207FFAE0000-0x00000207FFE0E000-memory.dmp

    Filesize

    3.2MB

  • memory/1732-22-0x00000207FEAA0000-0x00000207FEABE000-memory.dmp

    Filesize

    120KB

  • memory/1732-23-0x00000207FF750000-0x00000207FF7AA000-memory.dmp

    Filesize

    360KB

  • memory/1732-24-0x00000207FF7B0000-0x00000207FF7CA000-memory.dmp

    Filesize

    104KB

  • memory/1732-42-0x00000207FF9D0000-0x00000207FFA36000-memory.dmp

    Filesize

    408KB

  • memory/1732-52-0x00000207FFA90000-0x00000207FFAE0000-memory.dmp

    Filesize

    320KB

  • memory/1732-21-0x00000207FEAD0000-0x00000207FEAF2000-memory.dmp

    Filesize

    136KB

  • memory/1732-17-0x00000207E6310000-0x00000207E63C2000-memory.dmp

    Filesize

    712KB

  • memory/1732-20-0x00000207FEB20000-0x00000207FEB96000-memory.dmp

    Filesize

    472KB

  • memory/1732-18-0x00007FFE5CF80000-0x00007FFE5DA41000-memory.dmp

    Filesize

    10.8MB

  • memory/1732-117-0x00000207800A0000-0x00000207800DA000-memory.dmp

    Filesize

    232KB

  • memory/1732-16-0x00000207E40E0000-0x00000207E4578000-memory.dmp

    Filesize

    4.6MB

  • memory/1732-148-0x0000020780070000-0x0000020780096000-memory.dmp

    Filesize

    152KB

  • memory/1732-153-0x0000020800000000-0x00000208001C2000-memory.dmp

    Filesize

    1.8MB

  • memory/1732-159-0x00007FFE5CF80000-0x00007FFE5DA41000-memory.dmp

    Filesize

    10.8MB