Analysis

  • max time kernel
    158s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-08-2022 15:35

General

  • Target

    f4e22465a3a1d007d678751b7b5b751577988244cc299e8939127c50be3cb3c4.exe

  • Size

    183KB

  • MD5

    c0e3f6c3e90453823ff78f18e2760dbb

  • SHA1

    558301de47973642798e7d463ce042bd2949140c

  • SHA256

    f4e22465a3a1d007d678751b7b5b751577988244cc299e8939127c50be3cb3c4

  • SHA512

    6a2e85c34774d5dde5de64fb7c0722ee03e5d35e4df13f44c7f9e9220b5e0017717ca3aeaf77c0f552340c8869eaf9ee23b6ff2fa170dd9ca53efbc7c959e17e

Malware Config

Extracted

Family

socelars

C2

https://hueduy.s3.eu-west-1.amazonaws.com/dkfjrg725/

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Looks up external IP address via web service 1 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). Likely ransomware behaviour.

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4e22465a3a1d007d678751b7b5b751577988244cc299e8939127c50be3cb3c4.exe
    "C:\Users\Admin\AppData\Local\Temp\f4e22465a3a1d007d678751b7b5b751577988244cc299e8939127c50be3cb3c4.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2112
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\56EA.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\56EA.dll
      2⤵
      • Loads dropped DLL
      PID:3760
  • C:\Users\Admin\AppData\Local\Temp\1C5E.exe
    C:\Users\Admin\AppData\Local\Temp\1C5E.exe
    1⤵
    • Executes dropped EXE
    PID:3172
  • C:\Users\Admin\AppData\Local\Temp\43EC.exe
    C:\Users\Admin\AppData\Local\Temp\43EC.exe
    1⤵
    • Executes dropped EXE
    PID:4072
  • C:\Users\Admin\AppData\Local\Temp\62DF.exe
    C:\Users\Admin\AppData\Local\Temp\62DF.exe
    1⤵
    • Executes dropped EXE
    PID:4140
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4140 -s 928
      2⤵
      • Program crash
      PID:1100
  • C:\Users\Admin\AppData\Local\Temp\7639.exe
    C:\Users\Admin\AppData\Local\Temp\7639.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3884
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 468 -p 4140 -ip 4140
    1⤵
      PID:3240
    • C:\Users\Admin\AppData\Local\Temp\927C.exe
      C:\Users\Admin\AppData\Local\Temp\927C.exe
      1⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Users\Admin\AppData\Local\Temp\927C.exe
        "C:\Users\Admin\AppData\Local\Temp\927C.exe" -hq
        2⤵
        • Executes dropped EXE
        PID:4296
    • C:\Users\Admin\AppData\Local\Temp\A3B3.exe
      C:\Users\Admin\AppData\Local\Temp\A3B3.exe
      1⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Users\Admin\AppData\Local\Temp\A3B3.exe
        "C:\Users\Admin\AppData\Local\Temp\A3B3.exe" -hq
        2⤵
        • Executes dropped EXE
        PID:1080
    • C:\Windows\system32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",global
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",global
        2⤵
        • Loads dropped DLL
        PID:4928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 600
          3⤵
          • Program crash
          PID:3652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4928 -ip 4928
      1⤵
        PID:1952
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",global
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:4824
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",global
          2⤵
            PID:2112

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Install Root Certificate

        1
        T1130

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        2
        T1012

        System Information Discovery

        3
        T1082

        Peripheral Device Discovery

        1
        T1120

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\1C5E.exe
          Filesize

          120KB

          MD5

          0b14b76decf6dcfb250d01c86f9d2ca4

          SHA1

          03877930a3fd85120685eb41d8c9bc4c38408351

          SHA256

          18b78a7e82028223b02e6d5e02627565a16e131b330e30022f523c5968b7a825

          SHA512

          6431f741e978cfb81e3b004ef74a924efd5da02c9acf8fb7584bde84631e9aea57ed9219e3667558907a68ffd939568c0f389ae0e2c81f41a2def41fe1f8949c

        • C:\Users\Admin\AppData\Local\Temp\1C5E.exe
          Filesize

          120KB

          MD5

          0b14b76decf6dcfb250d01c86f9d2ca4

          SHA1

          03877930a3fd85120685eb41d8c9bc4c38408351

          SHA256

          18b78a7e82028223b02e6d5e02627565a16e131b330e30022f523c5968b7a825

          SHA512

          6431f741e978cfb81e3b004ef74a924efd5da02c9acf8fb7584bde84631e9aea57ed9219e3667558907a68ffd939568c0f389ae0e2c81f41a2def41fe1f8949c

        • C:\Users\Admin\AppData\Local\Temp\43EC.exe
          Filesize

          218KB

          MD5

          1f2a719a7a5d0a4221c2bb44382f7ec0

          SHA1

          ba88689e44c24581f7e04ff08500d8c5dab6c284

          SHA256

          5ab2522945b96f3eb138ac3e0a21cc9393a2171e7e4650aac70a9cd376b564e5

          SHA512

          0d94bba23863487e2fa98c49551425f22bb0a57d4bdb423fde7833707918f3e7e6f83432aa8620adde86be179f7af8c5c65ed7117307e0517dd66fde4e823812

        • C:\Users\Admin\AppData\Local\Temp\43EC.exe
          Filesize

          218KB

          MD5

          1f2a719a7a5d0a4221c2bb44382f7ec0

          SHA1

          ba88689e44c24581f7e04ff08500d8c5dab6c284

          SHA256

          5ab2522945b96f3eb138ac3e0a21cc9393a2171e7e4650aac70a9cd376b564e5

          SHA512

          0d94bba23863487e2fa98c49551425f22bb0a57d4bdb423fde7833707918f3e7e6f83432aa8620adde86be179f7af8c5c65ed7117307e0517dd66fde4e823812

        • C:\Users\Admin\AppData\Local\Temp\56EA.dll
          Filesize

          2.0MB

          MD5

          8c6ac56753dbc31d70fc6ec381f5146d

          SHA1

          dbbbcfe3ab3b9bcc6756fa9c3d6ab49100a553c1

          SHA256

          765f696cae8dd8a110542b6b05733327f8c2470b5299e1786fa99ab7b56f2192

          SHA512

          6918c6bf9276d82ed64a95246d3b75464c1abdee316cd0b9c21e6f7c43adc729d86b2c7bc0b7e1e04a77e164688dc8c92ee1df6b5337c50f68508e3a74c43826

        • C:\Users\Admin\AppData\Local\Temp\56EA.dll
          Filesize

          2.0MB

          MD5

          8c6ac56753dbc31d70fc6ec381f5146d

          SHA1

          dbbbcfe3ab3b9bcc6756fa9c3d6ab49100a553c1

          SHA256

          765f696cae8dd8a110542b6b05733327f8c2470b5299e1786fa99ab7b56f2192

          SHA512

          6918c6bf9276d82ed64a95246d3b75464c1abdee316cd0b9c21e6f7c43adc729d86b2c7bc0b7e1e04a77e164688dc8c92ee1df6b5337c50f68508e3a74c43826

        • C:\Users\Admin\AppData\Local\Temp\56EA.dll
          Filesize

          2.0MB

          MD5

          8c6ac56753dbc31d70fc6ec381f5146d

          SHA1

          dbbbcfe3ab3b9bcc6756fa9c3d6ab49100a553c1

          SHA256

          765f696cae8dd8a110542b6b05733327f8c2470b5299e1786fa99ab7b56f2192

          SHA512

          6918c6bf9276d82ed64a95246d3b75464c1abdee316cd0b9c21e6f7c43adc729d86b2c7bc0b7e1e04a77e164688dc8c92ee1df6b5337c50f68508e3a74c43826

        • C:\Users\Admin\AppData\Local\Temp\62DF.exe
          Filesize

          3.7MB

          MD5

          ba1b640cafc93dafb0f78aedfee3b146

          SHA1

          c44971948fc7745fdd72ec7493c485633d0a7e91

          SHA256

          4d39e940c908fafd2d1384f0aa398e54e5305424ed3b6fe5ed7121c5e22cc72b

          SHA512

          45ffecec7c204ffc628e1b6aaed94f221fbfd17f91d906b8fa3608c1f160dd9a407590e302ecae487bc73ba0a1229934c1c7ae1ada47d9f9c147e9622909baf5

        • C:\Users\Admin\AppData\Local\Temp\62DF.exe
          Filesize

          3.7MB

          MD5

          ba1b640cafc93dafb0f78aedfee3b146

          SHA1

          c44971948fc7745fdd72ec7493c485633d0a7e91

          SHA256

          4d39e940c908fafd2d1384f0aa398e54e5305424ed3b6fe5ed7121c5e22cc72b

          SHA512

          45ffecec7c204ffc628e1b6aaed94f221fbfd17f91d906b8fa3608c1f160dd9a407590e302ecae487bc73ba0a1229934c1c7ae1ada47d9f9c147e9622909baf5

        • C:\Users\Admin\AppData\Local\Temp\7639.exe
          Filesize

          1.4MB

          MD5

          c521a65d11dca76a0ac886f15e0ba15b

          SHA1

          56154763cc5c5073682c583ee86e99bb2dec14d2

          SHA256

          43fe43a7462d892ae08bfdb50dc07249796bf90631a4975ea75738291b484f13

          SHA512

          77f7fcb92f1cec4f0de7fc2d5cc226db66f73aebbfd1b65e869e5bb57a1a0995160ecb5c00a0aae2d2993d0a9b3d445bbc8889fefce36f8942feb7198889b486

        • C:\Users\Admin\AppData\Local\Temp\7639.exe
          Filesize

          1.4MB

          MD5

          c521a65d11dca76a0ac886f15e0ba15b

          SHA1

          56154763cc5c5073682c583ee86e99bb2dec14d2

          SHA256

          43fe43a7462d892ae08bfdb50dc07249796bf90631a4975ea75738291b484f13

          SHA512

          77f7fcb92f1cec4f0de7fc2d5cc226db66f73aebbfd1b65e869e5bb57a1a0995160ecb5c00a0aae2d2993d0a9b3d445bbc8889fefce36f8942feb7198889b486

        • C:\Users\Admin\AppData\Local\Temp\927C.exe
          Filesize

          76KB

          MD5

          91c1e8f4da22bda4a24dd23066e0d8b4

          SHA1

          6bfcb55cc76d8b06962dc47aec445499fcbc3621

          SHA256

          5ac72de7f6ad06775c3a616d1e14185b1eba82e1f03790a647c05e7289663cb5

          SHA512

          e1fde55633bc42812216ce3b38fbf70248ef4fae76766821c8434f9b336ccdec20f1d71cf227e74c79c952cac0a87d9e4f783dede872a89b1a5a3f5829f681ff

        • C:\Users\Admin\AppData\Local\Temp\927C.exe
          Filesize

          76KB

          MD5

          91c1e8f4da22bda4a24dd23066e0d8b4

          SHA1

          6bfcb55cc76d8b06962dc47aec445499fcbc3621

          SHA256

          5ac72de7f6ad06775c3a616d1e14185b1eba82e1f03790a647c05e7289663cb5

          SHA512

          e1fde55633bc42812216ce3b38fbf70248ef4fae76766821c8434f9b336ccdec20f1d71cf227e74c79c952cac0a87d9e4f783dede872a89b1a5a3f5829f681ff

        • C:\Users\Admin\AppData\Local\Temp\927C.exe
          Filesize

          76KB

          MD5

          91c1e8f4da22bda4a24dd23066e0d8b4

          SHA1

          6bfcb55cc76d8b06962dc47aec445499fcbc3621

          SHA256

          5ac72de7f6ad06775c3a616d1e14185b1eba82e1f03790a647c05e7289663cb5

          SHA512

          e1fde55633bc42812216ce3b38fbf70248ef4fae76766821c8434f9b336ccdec20f1d71cf227e74c79c952cac0a87d9e4f783dede872a89b1a5a3f5829f681ff

        • C:\Users\Admin\AppData\Local\Temp\A3B3.exe
          Filesize

          76KB

          MD5

          91c1e8f4da22bda4a24dd23066e0d8b4

          SHA1

          6bfcb55cc76d8b06962dc47aec445499fcbc3621

          SHA256

          5ac72de7f6ad06775c3a616d1e14185b1eba82e1f03790a647c05e7289663cb5

          SHA512

          e1fde55633bc42812216ce3b38fbf70248ef4fae76766821c8434f9b336ccdec20f1d71cf227e74c79c952cac0a87d9e4f783dede872a89b1a5a3f5829f681ff

        • C:\Users\Admin\AppData\Local\Temp\A3B3.exe
          Filesize

          76KB

          MD5

          91c1e8f4da22bda4a24dd23066e0d8b4

          SHA1

          6bfcb55cc76d8b06962dc47aec445499fcbc3621

          SHA256

          5ac72de7f6ad06775c3a616d1e14185b1eba82e1f03790a647c05e7289663cb5

          SHA512

          e1fde55633bc42812216ce3b38fbf70248ef4fae76766821c8434f9b336ccdec20f1d71cf227e74c79c952cac0a87d9e4f783dede872a89b1a5a3f5829f681ff

        • C:\Users\Admin\AppData\Local\Temp\A3B3.exe
          Filesize

          76KB

          MD5

          91c1e8f4da22bda4a24dd23066e0d8b4

          SHA1

          6bfcb55cc76d8b06962dc47aec445499fcbc3621

          SHA256

          5ac72de7f6ad06775c3a616d1e14185b1eba82e1f03790a647c05e7289663cb5

          SHA512

          e1fde55633bc42812216ce3b38fbf70248ef4fae76766821c8434f9b336ccdec20f1d71cf227e74c79c952cac0a87d9e4f783dede872a89b1a5a3f5829f681ff

        • C:\Users\Admin\AppData\Local\Temp\db.dat
          Filesize

          557KB

          MD5

          720ec3d97f3cd9e1dc34b7ad51451892

          SHA1

          8c417926a14a0cd2d268d088658022f49e3dda4b

          SHA256

          6c05e113ed295140f979f4a8864eac92e119e013e74e6ed3d849a66217e34c6a

          SHA512

          0d681247d1f7f5932779da58d59de2dd0e01e904acc8702bea93676f029b2dd0745b961f833d49ef4a6af712a3a3ba51364533741cd605d39442fe2993279dee

        • C:\Users\Admin\AppData\Local\Temp\db.dll
          Filesize

          52KB

          MD5

          8defa1d8ec654dc658423940185a576a

          SHA1

          dd35cf0908cd5edbf189737686c3e33e4267d8b8

          SHA256

          94ce3e910e9bfd474528848e8c2b2968925fce018674cef64f225b09f25eba4a

          SHA512

          d110348773a84dffcd2f39f98e4019c6638129fefa3ed90de4a10ed4db3b03171a81d2e87b269ac97cffadfd17f9ef701f2e4952ae61c5703eac2d68273e0328

        • C:\Users\Admin\AppData\Local\Temp\db.dll
          Filesize

          52KB

          MD5

          8defa1d8ec654dc658423940185a576a

          SHA1

          dd35cf0908cd5edbf189737686c3e33e4267d8b8

          SHA256

          94ce3e910e9bfd474528848e8c2b2968925fce018674cef64f225b09f25eba4a

          SHA512

          d110348773a84dffcd2f39f98e4019c6638129fefa3ed90de4a10ed4db3b03171a81d2e87b269ac97cffadfd17f9ef701f2e4952ae61c5703eac2d68273e0328

        • C:\Users\Admin\AppData\Local\Temp\db.dll
          Filesize

          52KB

          MD5

          8defa1d8ec654dc658423940185a576a

          SHA1

          dd35cf0908cd5edbf189737686c3e33e4267d8b8

          SHA256

          94ce3e910e9bfd474528848e8c2b2968925fce018674cef64f225b09f25eba4a

          SHA512

          d110348773a84dffcd2f39f98e4019c6638129fefa3ed90de4a10ed4db3b03171a81d2e87b269ac97cffadfd17f9ef701f2e4952ae61c5703eac2d68273e0328

        • memory/1080-170-0x0000000000000000-mapping.dmp
        • memory/1996-134-0x0000000000000000-mapping.dmp
        • memory/2112-131-0x0000000002640000-0x0000000002649000-memory.dmp
          Filesize

          36KB

        • memory/2112-132-0x0000000000400000-0x00000000024B0000-memory.dmp
          Filesize

          32.7MB

        • memory/2112-133-0x0000000000400000-0x00000000024B0000-memory.dmp
          Filesize

          32.7MB

        • memory/2112-177-0x0000000000000000-mapping.dmp
        • memory/2112-130-0x00000000026D8000-0x00000000026E9000-memory.dmp
          Filesize

          68KB

        • memory/2792-162-0x0000000000000000-mapping.dmp
        • memory/3172-146-0x0000000000000000-mapping.dmp
        • memory/3760-141-0x0000000002A10000-0x0000000002ACD000-memory.dmp
          Filesize

          756KB

        • memory/3760-143-0x0000000003FF0000-0x0000000004097000-memory.dmp
          Filesize

          668KB

        • memory/3760-140-0x0000000003ED0000-0x0000000003FEA000-memory.dmp
          Filesize

          1.1MB

        • memory/3760-142-0x00000000028E0000-0x00000000029F7000-memory.dmp
          Filesize

          1.1MB

        • memory/3760-139-0x0000000002070000-0x000000000226C000-memory.dmp
          Filesize

          2.0MB

        • memory/3760-136-0x0000000000000000-mapping.dmp
        • memory/3884-159-0x0000000000000000-mapping.dmp
        • memory/4072-149-0x0000000000000000-mapping.dmp
        • memory/4140-155-0x0000000140000000-0x000000014068C000-memory.dmp
          Filesize

          6.5MB

        • memory/4140-152-0x0000000000000000-mapping.dmp
        • memory/4196-167-0x0000000000000000-mapping.dmp
        • memory/4296-165-0x0000000000000000-mapping.dmp
        • memory/4928-173-0x0000000000000000-mapping.dmp