Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24-03-2023 15:52

General

  • Target

    a8d746ad75f60881430ff0fd0f8f51e8e013953113811a0ed4cd944fdbd09330.exe

  • Size

    1.4MB

  • MD5

    ad71842100670b6f880e326f2ab71c30

  • SHA1

    f81bd8a7e66d5a76a36d44e37db0b28a8660a040

  • SHA256

    a8d746ad75f60881430ff0fd0f8f51e8e013953113811a0ed4cd944fdbd09330

  • SHA512

    48b0000bd1567dfbc7aadee7c1ad0ea81d475b9e69f176703a0bac3f3bcfaf2f2265c4adf6dc7015a1e6b5effab044b95405e5172c7aa1806e621a730bc58364

  • SSDEEP

    24576:sbq0Msre2kKCzeUl9ReKie1DJ33wIynyTn1hdrKM3xyDSqqw5V+82Y+vRn7DkwSp:W7re2kKlUlqKieDHwIynyTdJ3OSSK82c

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Drops file in Program Files directory 4 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 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8d746ad75f60881430ff0fd0f8f51e8e013953113811a0ed4cd944fdbd09330.exe
    "C:\Users\Admin\AppData\Local\Temp\a8d746ad75f60881430ff0fd0f8f51e8e013953113811a0ed4cd944fdbd09330.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Program Files (x86)\CathayFutures_FX\CathayFXConfig.exe
      "C:\Program Files (x86)\CathayFutures_FX\CathayFXConfig.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Program Files (x86)\CathayFutures_FX\cathayfutures5setup.exe
      "C:\Program Files (x86)\CathayFutures_FX\cathayfutures5setup.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Modifies system certificate store
      PID:880

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\CathayFutures_FX\CathayFXConfig.exe
    Filesize

    13KB

    MD5

    3cc551c34d632e97a738654da88b6a6f

    SHA1

    002fbcc1431d19373bc5e374fa0b4faae4d635e8

    SHA256

    f513bcd0af5ea53dd6b5261fb7d0b1e5680093a852a8ffad724ac2c42b8852a2

    SHA512

    5feed9524313982a04f412444e830d40a649d1755622a30218f4f9fb072b69e3bcc88b0e42716031f027ba205d35ab14665143864595ae1e93f82d9459413c21

  • C:\Program Files (x86)\CathayFutures_FX\CathayFXConfig.exe
    Filesize

    13KB

    MD5

    3cc551c34d632e97a738654da88b6a6f

    SHA1

    002fbcc1431d19373bc5e374fa0b4faae4d635e8

    SHA256

    f513bcd0af5ea53dd6b5261fb7d0b1e5680093a852a8ffad724ac2c42b8852a2

    SHA512

    5feed9524313982a04f412444e830d40a649d1755622a30218f4f9fb072b69e3bcc88b0e42716031f027ba205d35ab14665143864595ae1e93f82d9459413c21

  • C:\Program Files (x86)\CathayFutures_FX\cathayfutures5setup.exe
    Filesize

    3.2MB

    MD5

    040ea631816d4e633dcd474234166afc

    SHA1

    68fa6b03207d1c309227d1c6ee3a139110dd0f67

    SHA256

    9aeed6e78d292d03eb09c8ade57ef76043281782c2862b063116b2aecf3b1b3b

    SHA512

    b1cf28e2ebdfa4ab84d914bb17a5548287193af192ce7d1be4f23126ba86c6e465cd6773788dbf3e6496ed0d37b208a843facfa68ecc1d1454116c1c6099759f

  • C:\Program Files (x86)\CathayFutures_FX\cathayfutures5setup.exe
    Filesize

    3.2MB

    MD5

    040ea631816d4e633dcd474234166afc

    SHA1

    68fa6b03207d1c309227d1c6ee3a139110dd0f67

    SHA256

    9aeed6e78d292d03eb09c8ade57ef76043281782c2862b063116b2aecf3b1b3b

    SHA512

    b1cf28e2ebdfa4ab84d914bb17a5548287193af192ce7d1be4f23126ba86c6e465cd6773788dbf3e6496ed0d37b208a843facfa68ecc1d1454116c1c6099759f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8A4AA6A226E1870F0261713C59F1CB84
    Filesize

    983B

    MD5

    42f8529fe545103fdd848980a8647f29

    SHA1

    ca7788c32da1e4b7863a4fb57d00b55ddacbc7f9

    SHA256

    a6cf64dbb4c8d5fd19ce48896068db03b533a8d1336c6256a87d00cbb3def3ea

    SHA512

    1a3994c12d65e9c96b4c4ebcf79e8b291b620177520a7d0482a2b6043dd150a9f2ce1627d130309390e3ac6be98af5f2b50c1993c478976d0c9a9638c46a61bd

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

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

    342B

    MD5

    fbefe321bb41a3a5d7ccef21ee567614

    SHA1

    bb5a838d3238a396c1ad69ecc00ec0b89fe0527d

    SHA256

    f52d1f9f9b751fab04903200e36520f97726067613e83f7328c0ce0bc7f75ffb

    SHA512

    7649adec5023d61b9aa5bc3e173431acd2de245782623af7ed9774d4355a81ad0b73ea667a0448cf74a1bebaebb2057d367f7b3acab3fcbd3eb920830af98b55

  • C:\Users\Admin\AppData\Local\Temp\CabE84.tmp
    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\TarF04.tmp
    Filesize

    161KB

    MD5

    73b4b714b42fc9a6aaefd0ae59adb009

    SHA1

    efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

    SHA256

    c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

    SHA512

    73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

  • \Program Files (x86)\CathayFutures_FX\CathayFXConfig.exe
    Filesize

    13KB

    MD5

    3cc551c34d632e97a738654da88b6a6f

    SHA1

    002fbcc1431d19373bc5e374fa0b4faae4d635e8

    SHA256

    f513bcd0af5ea53dd6b5261fb7d0b1e5680093a852a8ffad724ac2c42b8852a2

    SHA512

    5feed9524313982a04f412444e830d40a649d1755622a30218f4f9fb072b69e3bcc88b0e42716031f027ba205d35ab14665143864595ae1e93f82d9459413c21

  • \Program Files (x86)\CathayFutures_FX\cathayfutures5setup.exe
    Filesize

    3.2MB

    MD5

    040ea631816d4e633dcd474234166afc

    SHA1

    68fa6b03207d1c309227d1c6ee3a139110dd0f67

    SHA256

    9aeed6e78d292d03eb09c8ade57ef76043281782c2862b063116b2aecf3b1b3b

    SHA512

    b1cf28e2ebdfa4ab84d914bb17a5548287193af192ce7d1be4f23126ba86c6e465cd6773788dbf3e6496ed0d37b208a843facfa68ecc1d1454116c1c6099759f

  • \Program Files (x86)\CathayFutures_FX\cathayfutures5setup.exe
    Filesize

    3.2MB

    MD5

    040ea631816d4e633dcd474234166afc

    SHA1

    68fa6b03207d1c309227d1c6ee3a139110dd0f67

    SHA256

    9aeed6e78d292d03eb09c8ade57ef76043281782c2862b063116b2aecf3b1b3b

    SHA512

    b1cf28e2ebdfa4ab84d914bb17a5548287193af192ce7d1be4f23126ba86c6e465cd6773788dbf3e6496ed0d37b208a843facfa68ecc1d1454116c1c6099759f

  • memory/880-76-0x00000000046E0000-0x00000000046F7000-memory.dmp
    Filesize

    92KB

  • memory/880-87-0x0000000004E90000-0x0000000004EAE000-memory.dmp
    Filesize

    120KB

  • memory/880-73-0x00000000027E0000-0x00000000028E9000-memory.dmp
    Filesize

    1.0MB

  • memory/880-74-0x0000000003EA0000-0x0000000003F39000-memory.dmp
    Filesize

    612KB

  • memory/880-75-0x0000000003F60000-0x0000000003FE6000-memory.dmp
    Filesize

    536KB

  • memory/880-67-0x0000000000200000-0x000000000021F000-memory.dmp
    Filesize

    124KB

  • memory/880-77-0x00000000047A0000-0x00000000047B4000-memory.dmp
    Filesize

    80KB

  • memory/880-78-0x00000000047C0000-0x00000000047D4000-memory.dmp
    Filesize

    80KB

  • memory/880-79-0x0000000004960000-0x0000000004A42000-memory.dmp
    Filesize

    904KB

  • memory/880-80-0x00000000047E0000-0x0000000004807000-memory.dmp
    Filesize

    156KB

  • memory/880-66-0x00000000009C0000-0x0000000000A89000-memory.dmp
    Filesize

    804KB

  • memory/880-83-0x0000000004000000-0x0000000004055000-memory.dmp
    Filesize

    340KB

  • memory/880-84-0x0000000004980000-0x0000000004997000-memory.dmp
    Filesize

    92KB

  • memory/880-85-0x0000000004E20000-0x0000000004E2A000-memory.dmp
    Filesize

    40KB

  • memory/880-86-0x0000000004E30000-0x0000000004E87000-memory.dmp
    Filesize

    348KB

  • memory/880-72-0x00000000021B0000-0x00000000023C5000-memory.dmp
    Filesize

    2.1MB

  • memory/880-88-0x0000000004FC0000-0x0000000004FDB000-memory.dmp
    Filesize

    108KB

  • memory/880-89-0x00000000053F0000-0x0000000005416000-memory.dmp
    Filesize

    152KB

  • memory/880-90-0x0000000005420000-0x0000000005472000-memory.dmp
    Filesize

    328KB

  • memory/880-92-0x0000000005590000-0x00000000055AA000-memory.dmp
    Filesize

    104KB

  • memory/880-100-0x00000000057B0000-0x00000000057CA000-memory.dmp
    Filesize

    104KB

  • memory/880-70-0x0000000002070000-0x0000000002195000-memory.dmp
    Filesize

    1.1MB

  • memory/880-68-0x0000000001900000-0x0000000001971000-memory.dmp
    Filesize

    452KB

  • memory/880-69-0x0000000001E80000-0x0000000001EA2000-memory.dmp
    Filesize

    136KB

  • memory/880-131-0x0000000006C70000-0x0000000006CE1000-memory.dmp
    Filesize

    452KB

  • memory/880-133-0x0000000006CF0000-0x0000000006D54000-memory.dmp
    Filesize

    400KB

  • memory/880-134-0x0000000005990000-0x00000000059A8000-memory.dmp
    Filesize

    96KB

  • memory/880-139-0x0000000006280000-0x000000000629A000-memory.dmp
    Filesize

    104KB

  • memory/880-65-0x0000000000890000-0x00000000009BD000-memory.dmp
    Filesize

    1.2MB

  • memory/880-190-0x00000000055A0000-0x00000000055A1000-memory.dmp
    Filesize

    4KB

  • memory/880-64-0x0000000000660000-0x00000000006FF000-memory.dmp
    Filesize

    636KB

  • memory/1720-71-0x0000000000C60000-0x0000000000C68000-memory.dmp
    Filesize

    32KB