Analysis

  • max time kernel
    126s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-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.

  • 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:1164
    • 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:2376

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

    30fbbdc914d82b03fe3aa4199ddb5bd4

    SHA1

    8e53f013b6f6808c7fdf8d0d3b936ddd81a8b5e4

    SHA256

    ab9a75f34fbee2fb9e9a44a0c093f60638c4a7953859bcb918ef42b4d0d7cc47

    SHA512

    0c20b6e84800aabfdc7a1dc8b08a631c025a2e5b1d54a17d60b37b050d64f4c86263bfd37561ea71c56339768184669011adf204ac0ee09acf69c5fe6b62ec45

  • memory/2376-23-0x00000183571F0000-0x000001835724A000-memory.dmp

    Filesize

    360KB

  • memory/2376-57-0x0000018357530000-0x0000018357580000-memory.dmp

    Filesize

    320KB

  • memory/2376-21-0x0000018356B70000-0x0000018356B92000-memory.dmp

    Filesize

    136KB

  • memory/2376-22-0x0000018356B40000-0x0000018356B5E000-memory.dmp

    Filesize

    120KB

  • memory/2376-19-0x0000018356A90000-0x0000018356B42000-memory.dmp

    Filesize

    712KB

  • memory/2376-24-0x0000018357250000-0x000001835726A000-memory.dmp

    Filesize

    104KB

  • memory/2376-55-0x0000018357470000-0x00000183574D6000-memory.dmp

    Filesize

    408KB

  • memory/2376-20-0x0000018356BC0000-0x0000018356C36000-memory.dmp

    Filesize

    472KB

  • memory/2376-18-0x000001833E220000-0x000001833E230000-memory.dmp

    Filesize

    64KB

  • memory/2376-60-0x0000018357580000-0x00000183578AE000-memory.dmp

    Filesize

    3.2MB

  • memory/2376-17-0x00007FFBF6360000-0x00007FFBF6E21000-memory.dmp

    Filesize

    10.8MB

  • memory/2376-149-0x00000183579F0000-0x0000018357A2A000-memory.dmp

    Filesize

    232KB

  • memory/2376-16-0x000001833C1A0000-0x000001833C638000-memory.dmp

    Filesize

    4.6MB

  • memory/2376-150-0x00000183579B0000-0x00000183579D6000-memory.dmp

    Filesize

    152KB

  • memory/2376-155-0x00000183593B0000-0x0000018359572000-memory.dmp

    Filesize

    1.8MB

  • memory/2376-161-0x00007FFBF6360000-0x00007FFBF6E21000-memory.dmp

    Filesize

    10.8MB