Analysis

  • max time kernel
    67s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2022 13:26

General

  • Target

    807b8685ce73d047f5a4b865f43a557183d4cb37293416fc6be0b660b63b7cf4.exe

  • Size

    373.5MB

  • MD5

    a2b324f342b2390b6dc0fb096f68acc5

  • SHA1

    c385641caf35cc4b62db52f9f28983f04ac33251

  • SHA256

    807b8685ce73d047f5a4b865f43a557183d4cb37293416fc6be0b660b63b7cf4

  • SHA512

    97f3249e069138f81192ceb1e9ab4ea4ae8b09255071dd9b9597f76c3a6cb2a0d9c3fad8088b0829c7f39de3fea2ea89b8a0b6d0a90b1f6db718059cb7eaf8cd

  • SSDEEP

    98304:wl3dSlJxYL5QQgv28Oqix61YXoeC4IGlK+DKIG2F/bu4l17J:qMzxYtzI6Kv1cfl1V

Malware Config

Extracted

Family

raccoon

Botnet

3274ea5682755c1151f36d0672d7a717

C2

http://45.89.55.114/

http://5.182.36.233/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\807b8685ce73d047f5a4b865f43a557183d4cb37293416fc6be0b660b63b7cf4.exe
    "C:\Users\Admin\AppData\Local\Temp\807b8685ce73d047f5a4b865f43a557183d4cb37293416fc6be0b660b63b7cf4.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Roaming\l3MYfOnA.exe
      "C:\Users\Admin\AppData\Roaming\l3MYfOnA.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 5 /tn "Event Viewer Snap-in Launcher (29762912)" /tr "C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe"
        3⤵
        • Creates scheduled task(s)
        PID:988
      • C:\Windows\SysWOW64\schtasks.exe
        /C /Query /XML /TN "Event Viewer Snap-in Launcher (29762912)"
        3⤵
          PID:844
        • C:\Windows\SysWOW64\schtasks.exe
          /C /create /F /tn "Event Viewer Snap-in Launcher (29762912)" /XML "C:\Users\Admin\AppData\Roaming\EventViewer\tfnme73946158264.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:1260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 300
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:1668
      • C:\Users\Admin\AppData\Roaming\L695ts6t.exe
        "C:\Users\Admin\AppData\Roaming\L695ts6t.exe"
        2⤵
        • Executes dropped EXE
        PID:940

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    3
    T1082

    Collection

    Data from Local System

    2
    T1005

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\L695ts6t.exe
      Filesize

      5.1MB

      MD5

      0ef1e548f0602b89ec5c63152842acf4

      SHA1

      11373303c98cc328cae54e067b5666a181ccb3db

      SHA256

      8b03872c981e72aa24fd680e3d8f49768341f2c86fdabe51f4e5302c41b194a7

      SHA512

      c1102b2c7ef902fc7a8686d3c3f9950f68a7c67cf97ba740175afe6db7de68795a2f6d1b6fd253390f81698d8c49ac32091bf342fb3f48cc830305cba04a8d21

    • C:\Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \??\c:\users\admin\appdata\roaming\l3myfona.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \Users\Admin\AppData\LocalLow\mozglue.dll
      Filesize

      612KB

      MD5

      f07d9977430e762b563eaadc2b94bbfa

      SHA1

      da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

      SHA256

      4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

      SHA512

      6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

    • \Users\Admin\AppData\LocalLow\nss3.dll
      Filesize

      1.9MB

      MD5

      f67d08e8c02574cbc2f1122c53bfb976

      SHA1

      6522992957e7e4d074947cad63189f308a80fcf2

      SHA256

      c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

      SHA512

      2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

    • \Users\Admin\AppData\LocalLow\sqlite3.dll
      Filesize

      1.0MB

      MD5

      dbf4f8dcefb8056dc6bae4b67ff810ce

      SHA1

      bbac1dd8a07c6069415c04b62747d794736d0689

      SHA256

      47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

      SHA512

      b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

    • \Users\Admin\AppData\Roaming\L695ts6t.exe
      Filesize

      5.1MB

      MD5

      0ef1e548f0602b89ec5c63152842acf4

      SHA1

      11373303c98cc328cae54e067b5666a181ccb3db

      SHA256

      8b03872c981e72aa24fd680e3d8f49768341f2c86fdabe51f4e5302c41b194a7

      SHA512

      c1102b2c7ef902fc7a8686d3c3f9950f68a7c67cf97ba740175afe6db7de68795a2f6d1b6fd253390f81698d8c49ac32091bf342fb3f48cc830305cba04a8d21

    • \Users\Admin\AppData\Roaming\L695ts6t.exe
      Filesize

      5.1MB

      MD5

      0ef1e548f0602b89ec5c63152842acf4

      SHA1

      11373303c98cc328cae54e067b5666a181ccb3db

      SHA256

      8b03872c981e72aa24fd680e3d8f49768341f2c86fdabe51f4e5302c41b194a7

      SHA512

      c1102b2c7ef902fc7a8686d3c3f9950f68a7c67cf97ba740175afe6db7de68795a2f6d1b6fd253390f81698d8c49ac32091bf342fb3f48cc830305cba04a8d21

    • \Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • \Users\Admin\AppData\Roaming\l3MYfOnA.exe
      Filesize

      2.1MB

      MD5

      ce8b35df4d953c4547ed648081a40663

      SHA1

      74f7463e0b442d9414ea96e9664f77af9f15ad14

      SHA256

      c3bf2979e5ccde1d2f5d07a93a761d0374d38b70e477704241703be0cc61c18b

      SHA512

      64b861dd81e138f869418761bb8c08a91576a1e3bcd0a90e7c8049ee1a3d4c6c1fcf4aa8b7f8a696b494e74cd5e73d1346dddcb3e0540afe87a8a488cee8736a

    • memory/844-75-0x0000000000000000-mapping.dmp
    • memory/940-84-0x0000000000000000-mapping.dmp
    • memory/940-87-0x0000000000920000-0x0000000001BC5000-memory.dmp
      Filesize

      18.6MB

    • memory/940-89-0x0000000000920000-0x0000000001BC5000-memory.dmp
      Filesize

      18.6MB

    • memory/988-73-0x0000000000000000-mapping.dmp
    • memory/1480-71-0x0000000000310000-0x0000000000C6C000-memory.dmp
      Filesize

      9.4MB

    • memory/1480-74-0x000000007EBD0000-0x000000007EFA1000-memory.dmp
      Filesize

      3.8MB

    • memory/1480-88-0x0000000000310000-0x0000000000C6C000-memory.dmp
      Filesize

      9.4MB

    • memory/1480-67-0x0000000000000000-mapping.dmp
    • memory/1668-76-0x0000000000000000-mapping.dmp
    • memory/1880-59-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB

    • memory/1880-58-0x0000000076F20000-0x00000000770A0000-memory.dmp
      Filesize

      1.5MB

    • memory/1880-54-0x0000000075571000-0x0000000075573000-memory.dmp
      Filesize

      8KB

    • memory/1880-56-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB

    • memory/1880-65-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB

    • memory/1880-57-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB

    • memory/1880-55-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB

    • memory/1880-86-0x0000000076F20000-0x00000000770A0000-memory.dmp
      Filesize

      1.5MB

    • memory/1880-70-0x0000000003FA0000-0x00000000048FC000-memory.dmp
      Filesize

      9.4MB

    • memory/1880-60-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB

    • memory/1880-61-0x0000000000C30000-0x0000000001298000-memory.dmp
      Filesize

      6.4MB