Analysis

  • max time kernel
    152s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:39

General

  • Target

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625.exe

  • Size

    679KB

  • MD5

    5adafaad972e3ba20c8a9381e00ef147

  • SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

  • SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

  • SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

  • SSDEEP

    12288:P1iW3qxJbe973FR15E3plnFWSZVcV88B37adcdwARQzySyQST/ZscO:tBj73FjCZlFWWLUa1zySyXhs

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 7 IoCs
  • Loads dropped DLL 7 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 4 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625.exe
    "C:\Users\Admin\AppData\Local\Temp\f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625.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:1896
    • 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:1276
    • 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:1688
      • 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:1572
      • C:\Users\Admin\AppData\Local\Temp\csrss .exe
        "C:\Users\Admin\AppData\Local\Temp\csrss .exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:876
        • C:\Users\Admin\AppData\Local\Temp\vbc.exe
          C:\Users\Admin\AppData\Local\Temp\vbc.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1596
    • 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:2044
      • 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:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    658KB

    MD5

    f7bd5472d2fbc710b770d6c4eaf5882a

    SHA1

    8769f69d7a410ce92faa2c331ef335fc52b1708e

    SHA256

    d97bec075cabf338039503a5400a2971aa769630ede37862fc9de742c40a094d

    SHA512

    78a0159a75bedac15a4c1777a2ead30f8216c6529c1d489ed83bd3c8700cd0989566f30504fa75d988622c1ab1c2c3f9996d647daaa428645db2408787ae3353

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

    Filesize

    658KB

    MD5

    f7bd5472d2fbc710b770d6c4eaf5882a

    SHA1

    8769f69d7a410ce92faa2c331ef335fc52b1708e

    SHA256

    d97bec075cabf338039503a5400a2971aa769630ede37862fc9de742c40a094d

    SHA512

    78a0159a75bedac15a4c1777a2ead30f8216c6529c1d489ed83bd3c8700cd0989566f30504fa75d988622c1ab1c2c3f9996d647daaa428645db2408787ae3353

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

    Filesize

    658KB

    MD5

    f7bd5472d2fbc710b770d6c4eaf5882a

    SHA1

    8769f69d7a410ce92faa2c331ef335fc52b1708e

    SHA256

    d97bec075cabf338039503a5400a2971aa769630ede37862fc9de742c40a094d

    SHA512

    78a0159a75bedac15a4c1777a2ead30f8216c6529c1d489ed83bd3c8700cd0989566f30504fa75d988622c1ab1c2c3f9996d647daaa428645db2408787ae3353

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

  • 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

  • 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

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

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

    Filesize

    679KB

    MD5

    5adafaad972e3ba20c8a9381e00ef147

    SHA1

    f9ea16679b27fa79944b963f8db45ec00e9fb32d

    SHA256

    f876d29899bbb047f8f5fbb14c702a3ba88a34989d5ebe62b736ca060c1c4625

    SHA512

    be246760efab08d080d6f0c1c5b1f312a0e3155e4191c37e86f8b99a03406d61bd569660d32bee4919da4cbcacffbce2763cbc53e32385eaf3ee22077e91e391

  • \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

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

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/876-116-0x0000000000000000-mapping.dmp

  • memory/876-169-0x0000000004DB5000-0x0000000004DC6000-memory.dmp

    Filesize

    68KB

  • memory/876-171-0x0000000004DB5000-0x0000000004DC6000-memory.dmp

    Filesize

    68KB

  • memory/1276-72-0x000000000048F888-mapping.dmp

  • memory/1276-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-57-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-58-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-79-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-62-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-64-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-66-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-76-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-74-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-67-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-114-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-69-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1276-71-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1572-103-0x000000000048F888-mapping.dmp

  • memory/1572-108-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1596-166-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1596-155-0x000000000048F888-mapping.dmp

  • memory/1688-84-0x0000000000B10000-0x0000000000BC0000-memory.dmp

    Filesize

    704KB

  • memory/1688-81-0x0000000000000000-mapping.dmp

  • memory/1688-168-0x0000000004915000-0x0000000004926000-memory.dmp

    Filesize

    68KB

  • memory/1688-109-0x0000000004915000-0x0000000004926000-memory.dmp

    Filesize

    68KB

  • memory/1768-167-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1768-161-0x000000000048F888-mapping.dmp

  • memory/1896-78-0x00000000047B5000-0x00000000047C6000-memory.dmp

    Filesize

    68KB

  • memory/1896-113-0x00000000047B5000-0x00000000047C6000-memory.dmp

    Filesize

    68KB

  • memory/1896-54-0x0000000000290000-0x0000000000340000-memory.dmp

    Filesize

    704KB

  • memory/1896-55-0x0000000076691000-0x0000000076693000-memory.dmp

    Filesize

    8KB

  • memory/2044-119-0x0000000000F40000-0x0000000000FF0000-memory.dmp

    Filesize

    704KB

  • memory/2044-115-0x0000000000000000-mapping.dmp

  • memory/2044-170-0x0000000004825000-0x0000000004836000-memory.dmp

    Filesize

    68KB

  • memory/2044-172-0x0000000004825000-0x0000000004836000-memory.dmp

    Filesize

    68KB