Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 09:43

General

  • Target

    2024-05-31_7743bba6cfb7dcf82717f58a5c8ee6d5_icedid.exe

  • Size

    4.0MB

  • MD5

    7743bba6cfb7dcf82717f58a5c8ee6d5

  • SHA1

    16618c8210a37be3575a34f04803e83c346cba48

  • SHA256

    9a905cbf6c7657cfbad7a8f59e9643d9b368c486801a70cc6c06c87184e381c7

  • SHA512

    4f99608fa3d12704d0018b043f7c91c903500c58302cfd83dbdcd28c1dee4050ac4ed28f24f02e2d70054f52f3c39fbd77aaad721eebd59152dafe6e4f68c2a3

  • SSDEEP

    98304:9ZJt4HINy2Lk+ip46cXdVpVpmby+r2Ohkgkh:viINy2Lk1hQA28VS

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • UPX dump on OEP (original entry point) 13 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-31_7743bba6cfb7dcf82717f58a5c8ee6d5_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_7743bba6cfb7dcf82717f58a5c8ee6d5_icedid.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2196
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1412
    • C:\Users\Admin\AppData\Local\Temp\HD_2024-05-31_7743bba6cfb7dcf82717f58a5c8ee6d5_icedid.exe
      C:\Users\Admin\AppData\Local\Temp\HD_2024-05-31_7743bba6cfb7dcf82717f58a5c8ee6d5_icedid.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4788
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://se.360.cn/
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://se.360.cn/
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3268
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3268 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1620
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:5004

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    471B

    MD5

    c6440d653995acea2a63cd83b7c4d444

    SHA1

    5c5b83061ac0f31ff83d3a472fd77899c3bab3f0

    SHA256

    73e12cf5c60f5dc8dc6ad13d2d8581e5dfbbfdbd3848caa564745c19bc584d37

    SHA512

    d79dc9496f78dc4eb8d0376bcdca421ed8b8fb8653f654d7d3ae84afa05bbc9571589413677a4d989a04558d3bb2381ffcdabb639ce231ccd7e0cd558696d75b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    404B

    MD5

    7efd4d07e43198d298b7833afe91eb53

    SHA1

    73be7707dca7a51535cd47c39cce16e9da55aa99

    SHA256

    9ebdfb9b923bd4d873c00074c7b199e5cde440e566e966ddcf7ef8c008e1db06

    SHA512

    cccc88e409a898f05dbd696e0c3804ef39bb396182f1592f0a772f985d0015ed2a0cd6fdac71d5cf0b1c3bd9394fe1f0b6c531e3d56be599214350a51ff5a791

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD9F5.tmp
    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DL7YY2B9\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\HD_2024-05-31_7743bba6cfb7dcf82717f58a5c8ee6d5_icedid.exe
    Filesize

    2.8MB

    MD5

    acafd63654acc5f3799fbeb8f73d6b16

    SHA1

    1d4402e6a26a06779a35a2362d186ebca951b1b1

    SHA256

    1ab0fdf2d3c814acfd991054a001c4a19dc2fb1605e706a27f531cb32c79a6cb

    SHA512

    e127508b1f300d6499a9200a87c6a9e6bb2a6a174d05b84485d446663186562e6ff4eb3c827acf59bcd2d095d9889b6e4ddd8b5e41dd7a20d78d04ee06b79ed2

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

    1.2MB

    MD5

    55de90887452d29933661ea4386b7801

    SHA1

    374e75e5f3ffbae4fcb50a433aa93dc7e0268f06

    SHA256

    2458a07a425b2129985ad1f44d3c8f89a20ee237b47ae6b569a49dec48241bff

    SHA512

    227dcfe33eefb85166c421a4593e4aa13a3d5a633de82dbe8238a447fb75c9ff05b5de4500d76c6a264dff0798e0b619da6475322f4a4adb67519baaf20c4ed3

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

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/224-13-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/224-19-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/224-16-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/224-27-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/224-15-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/1924-10-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/1924-7-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/1924-4-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/1924-6-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5004-28-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5004-30-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5004-32-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5004-35-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB