Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2025 08:01

General

  • Target

    b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe

  • Size

    10.2MB

  • MD5

    fe5332ffecf99807638d8cc3a01d4d65

  • SHA1

    be04960eb376e35694758045604a3b2578ca48e8

  • SHA256

    b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5

  • SHA512

    257837e00969d921135c6a7c407ea74593993a5f95de72e6139d52f4bdd3ef2db3e107a2919b53587a8bbde89fb1ce1c254075282d5cf6468b8216e7887ba509

  • SSDEEP

    196608:jiINy2Lkul1Ms88OayHDLZDj1QuUsnRpapY/RyEcI3fLaM2FRQ0+1:XlqRHDYuLRpaSpyF3M4RI1

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 5 IoCs
  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 IoCs
  • Gh0strat

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

  • Gh0strat family
  • PurpleFox

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

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 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 System32 directory 2 IoCs
  • UPX packed file 35 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe
    "C:\Users\Admin\AppData\Local\Temp\b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1984
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2536
    • C:\Users\Admin\AppData\Local\Temp\HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2636
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:800
    • 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:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.5MB

    MD5

    ad7f24c684d77ca586e6c7a6e2c79840

    SHA1

    a7ae52bd7351a39ea5ddb9c3ee187d09502d7dd5

    SHA256

    908dfa994bd841091b0f5e812e46802a740c01b874f9cfd69ead6e9dfc704d0d

    SHA512

    3d441f68eeb4ec7725548a31b556b8c3309e4ec3352598d2d28a5c223aac4173f76edd3de5de895b26ee969152093b1f3ae7d14fc3e223c46c595d267fddbf68

  • C:\Users\Admin\AppData\Local\Temp\Mysql_data.ini

    Filesize

    20B

    MD5

    1e22d44da44b2cfb83de9548d2dcc367

    SHA1

    da59c77ac3e6c9e3d849ce870ddc0ae71295344d

    SHA256

    b697179eb7dda41d40ab7a7bfe6a039689c9c2160ab339beacb97c900fa5d009

    SHA512

    10136dc460e1bf82611f057b5279f1abaa50181573ad48718197c5615e761051db5207db47736103737544bfd8bd6b7619d9443a50e875ef2c9fed22335e6182

  • \Users\Admin\AppData\Local\Temp\HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe

    Filesize

    8.7MB

    MD5

    1f4edcba1e55ad0649c08933744112bf

    SHA1

    8decfccb175d6c9bcf82612f4abda86f8d61100c

    SHA256

    881f36b4938638f5980acf8cb88a04379cdd49ef36e41dfdf0befd2b3c2a2bd1

    SHA512

    9a66cff17786b5d3d40f66ac491f0685c840a8076a831ece9a02f27c79c52300933050334df3360aa15825345da957df5687fad7f19dd49cf3c92e7ac074637e

  • \Users\Admin\AppData\Local\Temp\RVN.exe

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/800-18-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/800-29-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1984-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1984-9-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1984-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1984-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2016-202-0x0000000004790000-0x0000000005C2F000-memory.dmp

    Filesize

    20.6MB

  • memory/2016-40-0x0000000004790000-0x0000000005C2F000-memory.dmp

    Filesize

    20.6MB

  • memory/2016-38-0x0000000004790000-0x0000000005C2F000-memory.dmp

    Filesize

    20.6MB

  • memory/2016-199-0x0000000004790000-0x0000000005C2F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-86-0x0000000007270000-0x000000000732E000-memory.dmp

    Filesize

    760KB

  • memory/2636-119-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-46-0x0000000000400000-0x000000000189F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-47-0x0000000000400000-0x000000000189F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-201-0x0000000000400000-0x000000000189F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-45-0x0000000000400000-0x000000000189F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-83-0x0000000007270000-0x000000000732E000-memory.dmp

    Filesize

    760KB

  • memory/2636-87-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-90-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-89-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-39-0x0000000000400000-0x000000000189F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-85-0x0000000007270000-0x000000000732E000-memory.dmp

    Filesize

    760KB

  • memory/2636-92-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-127-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-125-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-123-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-121-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-48-0x0000000000400000-0x000000000189F000-memory.dmp

    Filesize

    20.6MB

  • memory/2636-117-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-115-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-113-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-111-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-109-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-108-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-105-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-103-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-101-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-99-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-97-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-95-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2636-93-0x0000000004B30000-0x0000000004B6E000-memory.dmp

    Filesize

    248KB

  • memory/2672-44-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2672-30-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2672-50-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2672-28-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB