Analysis

  • max time kernel
    149s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:45

General

  • Target

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab.exe

  • Size

    1.1MB

  • MD5

    d1fceb90478d54b87b35727a97cd0cc2

  • SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

  • SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

  • SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • SSDEEP

    24576:MzJbMXSnCk10qYQW4Hcocwrv3QuYVp1zCyY:UbMXSnCk1oQjHcocwbQXC

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

dcratted.duckdns.org:3080

Mutex

DCMIN_MUTEX-G22C7RQ

Attributes
  • gencode

    FFUwUJHhLVPu

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab.exe
    "C:\Users\Admin\AppData\Local\Temp\93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:268
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:576
    • C:\Users\Admin\AppData\Local\Temp\svchost .exe
      "C:\Users\Admin\AppData\Local\Temp\svchost .exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        C:\Users\Admin\AppData\Local\Temp\vbc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1324
    • C:\Users\Admin\AppData\Local\Temp\csrss .exe
      "C:\Users\Admin\AppData\Local\Temp\csrss .exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        C:\Users\Admin\AppData\Local\Temp\vbc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\System.config
    Filesize

    658KB

    MD5

    ae5f32dfd87174e729d2c71883546953

    SHA1

    d2a5cd6f37ad921f868a6a7bff9920e6bea3d678

    SHA256

    7841f853a2a61c32b1ff6888869f6ba85d7b540048acabc2bf9f54f45a9d84f9

    SHA512

    4f013b73553d74eb0e71415f984ca405d90b12661f254965ae4936c297470db61f8f61f60b61d89132e0d2a03b5075145bb3cf31f25692ef35dc429b9ae70759

  • C:\Users\Admin\AppData\Local\Temp\System.config
    Filesize

    658KB

    MD5

    ae5f32dfd87174e729d2c71883546953

    SHA1

    d2a5cd6f37ad921f868a6a7bff9920e6bea3d678

    SHA256

    7841f853a2a61c32b1ff6888869f6ba85d7b540048acabc2bf9f54f45a9d84f9

    SHA512

    4f013b73553d74eb0e71415f984ca405d90b12661f254965ae4936c297470db61f8f61f60b61d89132e0d2a03b5075145bb3cf31f25692ef35dc429b9ae70759

  • C:\Users\Admin\AppData\Local\Temp\csrss .exe
    Filesize

    1.1MB

    MD5

    d1fceb90478d54b87b35727a97cd0cc2

    SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

    SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

    SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • C:\Users\Admin\AppData\Local\Temp\csrss .exe
    Filesize

    1.1MB

    MD5

    d1fceb90478d54b87b35727a97cd0cc2

    SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

    SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

    SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • C:\Users\Admin\AppData\Local\Temp\svchost .exe
    Filesize

    1.1MB

    MD5

    d1fceb90478d54b87b35727a97cd0cc2

    SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

    SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

    SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • C:\Users\Admin\AppData\Local\Temp\svchost .exe
    Filesize

    1.1MB

    MD5

    d1fceb90478d54b87b35727a97cd0cc2

    SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

    SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

    SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • \Users\Admin\AppData\Local\Temp\csrss .exe
    Filesize

    1.1MB

    MD5

    d1fceb90478d54b87b35727a97cd0cc2

    SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

    SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

    SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • \Users\Admin\AppData\Local\Temp\svchost .exe
    Filesize

    1.1MB

    MD5

    d1fceb90478d54b87b35727a97cd0cc2

    SHA1

    09f8ddc6065f6850fa493a7b524075dffa34dd28

    SHA256

    93a08e0a2a62a6e2422a0f05d578727254f42bed9a5eed8bf9b2e558dda81eab

    SHA512

    d6a6b524ee4c085370bfb668ae1786f8ddc0e81f69a9af4288f48b955904e961b8fbb0a421ccb4c8aa7f6329574fa8919fe984c43acb432caf04b86a01a3a209

  • \Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • \Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • \Users\Admin\AppData\Local\Temp\vbc.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/268-76-0x0000000001115000-0x0000000001126000-memory.dmp
    Filesize

    68KB

  • memory/268-54-0x0000000001170000-0x000000000128A000-memory.dmp
    Filesize

    1.1MB

  • memory/268-55-0x0000000075891000-0x0000000075893000-memory.dmp
    Filesize

    8KB

  • memory/268-140-0x0000000001115000-0x0000000001126000-memory.dmp
    Filesize

    68KB

  • memory/576-58-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-79-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-60-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-74-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-77-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-67-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-72-0x000000000048F888-mapping.dmp
  • memory/576-141-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-71-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-64-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-62-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-69-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-57-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/576-66-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/992-84-0x0000000000DA0000-0x0000000000EBA000-memory.dmp
    Filesize

    1.1MB

  • memory/992-109-0x0000000004ED5000-0x0000000004EE6000-memory.dmp
    Filesize

    68KB

  • memory/992-81-0x0000000000000000-mapping.dmp
  • memory/992-142-0x0000000004ED5000-0x0000000004EE6000-memory.dmp
    Filesize

    68KB

  • memory/1324-108-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1324-103-0x000000000048F888-mapping.dmp
  • memory/1724-114-0x0000000000DF0000-0x0000000000F0A000-memory.dmp
    Filesize

    1.1MB

  • memory/1724-111-0x0000000000000000-mapping.dmp
  • memory/1724-139-0x00000000043A5000-0x00000000043B6000-memory.dmp
    Filesize

    68KB

  • memory/1724-143-0x00000000043A5000-0x00000000043B6000-memory.dmp
    Filesize

    68KB

  • memory/2036-133-0x000000000048F888-mapping.dmp
  • memory/2036-138-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB