Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2023 03:45

General

  • Target

    360TS_Setup_Mini.exe

  • Size

    1.5MB

  • MD5

    858ee6ceb590822f57d2d98a32e3c5af

  • SHA1

    0cd9e539e919dd0367c1d04e2644bc3e8ad109e5

  • SHA256

    3d505dd5081824da4517fbdc2a4da8c6133538b72171e260f59d10be5ed20acb

  • SHA512

    ad624bba251a6131471a662e31a676c6facb335aef433b0c2313adb57c2ca4701590845c3c237d190a1817fa43daeaaeb3731c91e19045691523cccf9cbbd198

  • SSDEEP

    24576:AD1YS7FpyUxT3DC2O1zj1SqdAGFQZIxvC45UJoenm9x:TQ5xT3DDWzjYq+ZIxL5UJoew

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe
    "C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe" /c:101 /pmode:2 /syncid0_1
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Program Files (x86)\1675140491_0\360TS_Setup.exe
        "C:\Program Files (x86)\1675140491_0\360TS_Setup.exe" /c:101 /pmode:2 /syncid0_1 /TSinstall
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • Modifies system certificate store
        PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\1675140491_0\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_90887DD7920637A743EF36CB9A88B5D8
    Filesize

    2KB

    MD5

    e3f19580788ce1e1229aac360daf9537

    SHA1

    ca034b00c27080edb9f518d5f9da97e5a6c20767

    SHA256

    b2453e292bc9ff4371e4f657622fc9dc143672e5db0a5d878d1d9c3607678a86

    SHA512

    f440339ff9e80c5ec34fc3428491b0c8af18a228e83e42887f40562f522f414601dc76c5d70a0a264dfbd9c0db5a8607282949df2a44b3b75aca386efea22ccd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
    Filesize

    1KB

    MD5

    9bf10855213d2d2b26123cd2a04220b8

    SHA1

    231d2ed3b9098617f196e89cee3c2a82b38b5d40

    SHA256

    a508e5bc0086119681076c2b05889d6f70047f971342d65792776ab7b53ca1e9

    SHA512

    df78a9f4ed0296f9a16d17672758411306e1b3664e9c6aece1ec738da350e2ee703f5c4f30167c4d5b54de8d154a7a4dc7250420c024e26063c8521a333e3dfd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_90887DD7920637A743EF36CB9A88B5D8
    Filesize

    488B

    MD5

    d4acb6fd6e028f2b5667b0aba6b65e86

    SHA1

    02cb709c0f81e85b4b94da86d08c4dd0c60e06fc

    SHA256

    81f8749ad01a67d7213971faea4b9eec712e0771b0a1adee71b908874703f2e3

    SHA512

    1b14d74f797227ef9107240422b21c2f00f671a6f1baa37d3768686edba6fa7aaa6bc8cfa2a97e95b28e18c14487a82ccd49881b385053570e38093c3f9d751d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    b125fa3d42e19888f9a8d8e6555525eb

    SHA1

    c8b705c844a226bce435040f39e78622be0759e9

    SHA256

    4e6ee7eef85b609061a2f0b9b4fe5ed149ec513c2ce3be6827c9c5db0077fd85

    SHA512

    1d270bcd3f59561b85c2c773fa82f22ba4cbcc68b6428016c316ba980ba9e971d810d07f16ea60c42d1aac2623172be189d544e768577020355cd3a698296a5a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
    Filesize

    482B

    MD5

    0caf7f896cc04be73ec6ce48650a4d6c

    SHA1

    8007e67fcf2b1171861028a8b44574328d7c8c4a

    SHA256

    39fabbd052195cab17fe0e769ffcb7d607fe9a374179c129041ebe9a620b9c50

    SHA512

    61a043fa6190841b656cd34492798dc11957ef2acdcff80974354a3b08b2968acd875fe6472bf8cf0d9819e92bcd1694deffab03e3c04636393c596745b476d4

  • C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • \Program Files (x86)\1675140491_0\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • \Users\Admin\AppData\Local\Temp\1675140491_00000000_base\360base.dll
    Filesize

    884KB

    MD5

    8c42fc725106cf8276e625b4f97861bc

    SHA1

    9c4140730cb031c29fc63e17e1504693d0f21c13

    SHA256

    d1ca92aa0789ee87d45f9f3c63e0e46ad2997b09605cbc2c57da2be6b8488c22

    SHA512

    f3c33dfe8e482692d068bf2185bec7d0d2bb232e6828b0bc8dc867da9e7ca89f9356fde87244fe686e3830f957c052089a87ecff4e44842a1a7848246f0ba105

  • \Users\Admin\AppData\Local\Temp\1675140498_00000000_base\360base.dll
    Filesize

    884KB

    MD5

    8c42fc725106cf8276e625b4f97861bc

    SHA1

    9c4140730cb031c29fc63e17e1504693d0f21c13

    SHA256

    d1ca92aa0789ee87d45f9f3c63e0e46ad2997b09605cbc2c57da2be6b8488c22

    SHA512

    f3c33dfe8e482692d068bf2185bec7d0d2bb232e6828b0bc8dc867da9e7ca89f9356fde87244fe686e3830f957c052089a87ecff4e44842a1a7848246f0ba105

  • \Users\Admin\AppData\Local\Temp\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • \Users\Admin\AppData\Local\Temp\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • \Users\Admin\AppData\Local\Temp\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • \Users\Admin\AppData\Local\Temp\360TS_Setup.exe
    Filesize

    89.4MB

    MD5

    57c374e2356d0013cff1711b74e6baad

    SHA1

    3b914bc60de43eaa9255441b76d6b92ff25fab9c

    SHA256

    ae2cf3e5f83742de8b33124403b295559a1aa814dc5f0e26eddbcc3ac94c55fe

    SHA512

    88da3108e668099b99b5506a0904ba48122357687ec14e26763df8138f66cbc060975f85e6f812cd06229cdca90eac5cdd77a95de30570b9553ac869fe614f92

  • \Users\Admin\AppData\Local\Temp\{3C20467A-873A-43db-B2EC-476595BEB582}.tmp\360P2SP.dll
    Filesize

    824KB

    MD5

    fc1796add9491ee757e74e65cedd6ae7

    SHA1

    603e87ab8cb45f62ecc7a9ef52d5dedd261ea812

    SHA256

    bf1b96f5b56be51e24d6314bc7ec25f1bdba2435f4dfc5be87de164fe5de9e60

    SHA512

    8fa2e4ff5cbc05034051261c778fec1f998ceb2d5e8dea16b26b91056a989fdc58f33767687b393f32a5aff7c2b8d6df300b386f608abd0ad193068aa9251e0d

  • memory/840-54-0x0000000075A91000-0x0000000075A93000-memory.dmp
    Filesize

    8KB

  • memory/944-60-0x0000000000000000-mapping.dmp
  • memory/1168-66-0x0000000000000000-mapping.dmp