Analysis

  • max time kernel
    148s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 05:34

General

  • Target

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d.exe

  • Size

    912KB

  • MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

  • SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

  • SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

  • SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • SSDEEP

    12288:7cUdGP0khPvPLkOHfYEJUaDE4ji6CAhamR+GzWPfQ/p6ML3nPOnihOmJAKzv88YW:7zALPvzrhE4jrCAhagEMLST0XzvuW

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 10 IoCs
  • Executes dropped EXE 10 IoCs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 10 IoCs

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

  • Adds Run key to start application 2 TTPs 20 IoCs
  • Drops file in System32 directory 30 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 40 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 10 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d.exe
    "C:\Users\Admin\AppData\Local\Temp\c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Windows\SysWOW64\Windows\process\svchost.exe
      "C:\Windows\system32\Windows\process\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • Drops file in System32 directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\SysWOW64\Windows\process\svchost.exe
        "C:\Windows\system32\Windows\process\svchost.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks computer location settings
        • Adds Run key to start application
        • Drops file in System32 directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4912
        • C:\Windows\SysWOW64\Windows\process\svchost.exe
          "C:\Windows\system32\Windows\process\svchost.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks computer location settings
          • Adds Run key to start application
          • Drops file in System32 directory
          • Checks processor information in registry
          • Enumerates system info in registry
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Windows\SysWOW64\Windows\process\svchost.exe
            "C:\Windows\system32\Windows\process\svchost.exe"
            5⤵
            • Modifies WinLogon for persistence
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Checks computer location settings
            • Adds Run key to start application
            • Drops file in System32 directory
            • Checks processor information in registry
            • Enumerates system info in registry
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4736
            • C:\Windows\SysWOW64\Windows\process\svchost.exe
              "C:\Windows\system32\Windows\process\svchost.exe"
              6⤵
              • Modifies WinLogon for persistence
              • Executes dropped EXE
              • Checks BIOS information in registry
              • Checks computer location settings
              • Adds Run key to start application
              • Drops file in System32 directory
              • Checks processor information in registry
              • Enumerates system info in registry
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1360
              • C:\Windows\SysWOW64\Windows\process\svchost.exe
                "C:\Windows\system32\Windows\process\svchost.exe"
                7⤵
                • Modifies WinLogon for persistence
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks computer location settings
                • Adds Run key to start application
                • Drops file in System32 directory
                • Checks processor information in registry
                • Enumerates system info in registry
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:3628
                • C:\Windows\SysWOW64\Windows\process\svchost.exe
                  "C:\Windows\system32\Windows\process\svchost.exe"
                  8⤵
                  • Modifies WinLogon for persistence
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks computer location settings
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  • Checks processor information in registry
                  • Enumerates system info in registry
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:3560
                  • C:\Windows\SysWOW64\Windows\process\svchost.exe
                    "C:\Windows\system32\Windows\process\svchost.exe"
                    9⤵
                    • Modifies WinLogon for persistence
                    • Executes dropped EXE
                    • Checks BIOS information in registry
                    • Checks computer location settings
                    • Adds Run key to start application
                    • Drops file in System32 directory
                    • Checks processor information in registry
                    • Enumerates system info in registry
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:4916
                    • C:\Windows\SysWOW64\Windows\process\svchost.exe
                      "C:\Windows\system32\Windows\process\svchost.exe"
                      10⤵
                      • Modifies WinLogon for persistence
                      • Executes dropped EXE
                      • Checks BIOS information in registry
                      • Checks computer location settings
                      • Adds Run key to start application
                      • Drops file in System32 directory
                      • Checks processor information in registry
                      • Enumerates system info in registry
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:4804
                      • C:\Windows\SysWOW64\Windows\process\svchost.exe
                        "C:\Windows\system32\Windows\process\svchost.exe"
                        11⤵
                        • Executes dropped EXE
                        PID:4952

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2386679933-1492765628-3466841596-1000\53f99c8554a4762c5199ddb27231004e_8329e3af-909b-464f-88cb-23d8b2c5eadf
    Filesize

    2KB

    MD5

    f97f9e17eafdd0105a4e11bafde04b40

    SHA1

    ba06a7abe986a61b71889b80a6f9b02b22d40667

    SHA256

    4783424121e6c2f870dc931b374d20c62c764eddc5769d2f536609adc1226abb

    SHA512

    778c4aab55f6f0fe44dbc9a97f53b59ec8ed2e35901f77afebaea57c738ad301412760709ab909b51335ddd7676cd8f8c1410c5751f2ef5cc74282bcd6c5f50e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2386679933-1492765628-3466841596-1000\549b9b645cadfe6bb4bc69cf363c354c_8329e3af-909b-464f-88cb-23d8b2c5eadf
    Filesize

    2KB

    MD5

    f97f9e17eafdd0105a4e11bafde04b40

    SHA1

    ba06a7abe986a61b71889b80a6f9b02b22d40667

    SHA256

    4783424121e6c2f870dc931b374d20c62c764eddc5769d2f536609adc1226abb

    SHA512

    778c4aab55f6f0fe44dbc9a97f53b59ec8ed2e35901f77afebaea57c738ad301412760709ab909b51335ddd7676cd8f8c1410c5751f2ef5cc74282bcd6c5f50e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2386679933-1492765628-3466841596-1000\549b9b645cadfe6bb4bc69cf363c354c_8329e3af-909b-464f-88cb-23d8b2c5eadf
    Filesize

    2KB

    MD5

    f97f9e17eafdd0105a4e11bafde04b40

    SHA1

    ba06a7abe986a61b71889b80a6f9b02b22d40667

    SHA256

    4783424121e6c2f870dc931b374d20c62c764eddc5769d2f536609adc1226abb

    SHA512

    778c4aab55f6f0fe44dbc9a97f53b59ec8ed2e35901f77afebaea57c738ad301412760709ab909b51335ddd7676cd8f8c1410c5751f2ef5cc74282bcd6c5f50e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2386679933-1492765628-3466841596-1000\549b9b645cadfe6bb4bc69cf363c354c_8329e3af-909b-464f-88cb-23d8b2c5eadf
    Filesize

    2KB

    MD5

    f97f9e17eafdd0105a4e11bafde04b40

    SHA1

    ba06a7abe986a61b71889b80a6f9b02b22d40667

    SHA256

    4783424121e6c2f870dc931b374d20c62c764eddc5769d2f536609adc1226abb

    SHA512

    778c4aab55f6f0fe44dbc9a97f53b59ec8ed2e35901f77afebaea57c738ad301412760709ab909b51335ddd7676cd8f8c1410c5751f2ef5cc74282bcd6c5f50e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2386679933-1492765628-3466841596-1000\549b9b645cadfe6bb4bc69cf363c354c_8329e3af-909b-464f-88cb-23d8b2c5eadf
    Filesize

    2KB

    MD5

    f97f9e17eafdd0105a4e11bafde04b40

    SHA1

    ba06a7abe986a61b71889b80a6f9b02b22d40667

    SHA256

    4783424121e6c2f870dc931b374d20c62c764eddc5769d2f536609adc1226abb

    SHA512

    778c4aab55f6f0fe44dbc9a97f53b59ec8ed2e35901f77afebaea57c738ad301412760709ab909b51335ddd7676cd8f8c1410c5751f2ef5cc74282bcd6c5f50e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2386679933-1492765628-3466841596-1000\d71375b114e472f50fdecc6000e0f0a4_8329e3af-909b-464f-88cb-23d8b2c5eadf
    Filesize

    2KB

    MD5

    f582a3b901c7810826d7f22e0e505689

    SHA1

    da29c93c472b87ef2272adba5662e64905fe48fd

    SHA256

    3baae0486dabb86d11819309c1b6ab283179aeaf4f3a3d801ee162467f852a26

    SHA512

    9416d8f00b8518a348ef3be1b09f1f597b032f875939d043d66ca14dc67c5058ef7a738c5fd7dff9e54b8f39456b6424264169136f3c0aa3c08baad0afdde113

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • C:\Windows\SysWOW64\Windows\process\svchost.exe
    Filesize

    912KB

    MD5

    54aff6329b0ce3a2d2f8cc426ecc17f1

    SHA1

    f411f930447ba9d441faf4f25d442d4f07920254

    SHA256

    c451cad76da1a4a39ea124ffc922e32688f8e2abf17ebdae93ac72048a12348d

    SHA512

    be3ae08cd98b25e65f18086ea37741e5778bd0714e7b3cea520b3460e60036516c346ca694bf37a8960eab5dee40fdf318607c6025c14514b39d0f82e7ebb185

  • memory/1360-157-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/1360-158-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/1360-155-0x0000000000000000-mapping.dmp
  • memory/2856-147-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/2856-150-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/2856-148-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/2856-143-0x0000000000000000-mapping.dmp
  • memory/3560-166-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/3560-164-0x0000000000000000-mapping.dmp
  • memory/3560-167-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/3628-159-0x0000000000000000-mapping.dmp
  • memory/3628-162-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/3628-163-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4476-132-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4476-133-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4476-134-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4736-154-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4736-153-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4736-149-0x0000000000000000-mapping.dmp
  • memory/4804-178-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4804-174-0x0000000000000000-mapping.dmp
  • memory/4804-181-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4804-177-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4912-145-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4912-142-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4912-139-0x0000000000000000-mapping.dmp
  • memory/4916-173-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4916-172-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4916-171-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4916-168-0x0000000000000000-mapping.dmp
  • memory/4952-179-0x0000000000000000-mapping.dmp
  • memory/4952-183-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4952-184-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4964-138-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB

  • memory/4964-135-0x0000000000000000-mapping.dmp
  • memory/4964-141-0x0000000000400000-0x00000000005A5000-memory.dmp
    Filesize

    1.6MB