Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 16:50

General

  • Target

    7e0c7607f378ce0cac081420d270e352.exe

  • Size

    9.9MB

  • MD5

    7e0c7607f378ce0cac081420d270e352

  • SHA1

    7334d15139330c769dbe09cdf7968bd8dedacc56

  • SHA256

    3b32b6fc5406fc754c68fb447ff307427ce7acc9a506c18429cb79dfd86a9496

  • SHA512

    a50245b7c3e594083e6d738f5f736a87bcbbbd5fb66d5d5f0a4beae870a4d5efeb0d0f61f3a8cc4ca6b8efa599dbfb42458a13443937691a585ec5ec8908f587

  • SSDEEP

    196608:8lZrwL3PXWwE4W+iNoLCrdwJkfSl7WDiBaiM0tfAIyazhIqdJqts/kF4u7u:8lZsTXlxW+ifB8kfxLLT6aqatVF4R

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 12 IoCs
  • Adds Run key to start application 2 TTPs 1 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 1 IoCs

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

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e0c7607f378ce0cac081420d270e352.exe
    "C:\Users\Admin\AppData\Local\Temp\7e0c7607f378ce0cac081420d270e352.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\QqFZAKYwmSFLCeMh.exe
      "C:\Users\Admin\AppData\Local\Temp\QqFZAKYwmSFLCeMh.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\ping.exe
        ping -n 1 -w 1000 www.piriform.com
        3⤵
        • Runs ping.exe
        PID:2852
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:1704

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsdB675.tmp\System.dll

      Filesize

      11KB

      MD5

      41a3c964232edd2d7d5edea53e8245cd

      SHA1

      76d7e1fbf15cc3da4dd63a063d6ab2f0868a2206

      SHA256

      8b65fec615c7b371c23f8f7f344b12dc5085e40a556f96db318ed757494d62d5

      SHA512

      fa16bd9d020602e3065afd5c0638bc37775b40eb18bfa33b4ca5babcc3e6f112ae7d43457a6e9685ddbe6e94b954a1dc43d1da7af9ca7464019a3f110af549c1

    • C:\Users\Admin\AppData\Local\Temp\nsdB675.tmp\g\gcapi_dll.dll

      Filesize

      348KB

      MD5

      2973af8515effd0a3bfc7a43b03b3fcc

      SHA1

      4209cded0caac7c5cb07bcb29f1ee0dc5ac211ee

      SHA256

      d0e4581210a22135ce5deb47d9df4d636a94b3813e0649aab84822c9f08af2a0

      SHA512

      b6f9653142ec00b2e0a5045f0f2c7ba5dbbda8ef39edf14c80a24ecab3c41f081eb466994aaf0879ac96b201ba5c02d478275710e4d08b3debc739063d177f7e

    • C:\Users\Admin\AppData\Local\Temp\nsdB675.tmp\ui\res\CC_logo_72x66.png

      Filesize

      7KB

      MD5

      a736159759a56c29575e49cb2a51f2b3

      SHA1

      b1594bbca4358886d25c3a1bc662d87c913318cb

      SHA256

      58e75de1789c90333daaf93176194d2a3d64f2eecdf57a4b9384a229e81f874f

      SHA512

      4da523a36375b37fa7bc4b4ccf7c93e1df7b2da15152edf7d419927aa1bb271ef8ba27fe734d2f623fcc02b47319e75333df014bed01eb466e0cd9ec4111ef53

    • C:\Users\Admin\AppData\Local\Temp\nsdB675.tmp\ui\res\PF_computer.png

      Filesize

      87KB

      MD5

      7f4f45c9393a0664d9d0725a2ff42c6b

      SHA1

      b7b30eb534e6dc69e8e293443c157134569e8ce7

      SHA256

      dbd8b6fdb66604a0a5e8efe269fbfa598e4a94dc146006036409d905209da42b

      SHA512

      0c27f9ce615cbff3e17fd772ce3929ab4419d7432d96223b7eec1ba70953f2ac993404b954020247b52d7f7499212d44eb6f85da2e2676773cafe1ce89b390f9

    • C:\Users\Admin\AppData\Local\Temp\nsdB675.tmp\ui\res\PF_logo.png

      Filesize

      3KB

      MD5

      079cca30760cca3c01863b6b96e87848

      SHA1

      98c2ca01f248bc61817db7e5faea4a3d8310db50

      SHA256

      8dd37d3721e25c32c5bf878b6dba9e61d04b7ce8aec45bdf703a41bc41802dfa

      SHA512

      3e25c10e3a5830584c608b9178ab062e93e0e9009a7d897bb5e3561180b0b0910bd4178063d982eb33806a005c93931ae2ec5be520ec0d0c9a7c452cb78fd6a8

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

      Filesize

      9.4MB

      MD5

      a1d648bf9328c7fffaf3e0a40de85358

      SHA1

      e0c7e796c315ea7cf5f26a551483e18a1a099042

      SHA256

      61e1b4bf028b09ee20787cdf23cab7e3c511132f7df45da11bd9f2568cad7739

      SHA512

      5641ed7ae0ed238c47d29eaaa38192be2e2c99b37bf802695b232eadb25144b0ac2b54a7a2531d778b893a9f96b558c4fa6873fda8f85b4766a8fd8c7d821c64

    • \Users\Admin\AppData\Local\Temp\nsdB675.tmp\UserInfo.dll

      Filesize

      4KB

      MD5

      c1f778a6d65178d34bde4206161a98e0

      SHA1

      29719fffef1ab6fe2df47e5ed258a5e3b3a11cfc

      SHA256

      9caf7a78f750713180cf64d18967a2b803b5580e636e59279dcaaf18ba0daa87

      SHA512

      9c3cf25cf43f85a5f9c9ed555f12f3626ef9daeeedd4d366ada58748ead1f6e279fea977c76ae8bae1dc49bfd852e899cb137c4a006c13e9fcebf6e5e2926a4d

    • \Users\Admin\AppData\Local\Temp\nsdB675.tmp\g\gtapi_signed.dll

      Filesize

      71KB

      MD5

      61bc40d1fad9e0faa9a07219b90ba0e4

      SHA1

      5b5c3badedba915707000d2047eaf13f27b8925e

      SHA256

      89e157a4f61d7d18180cb7f901c0095da3b7a5cc5a9fd58d710099e5f0ee505a

      SHA512

      fa341aa975c471082b4b6c380f794d1e9ab3939382972cfb9e1dbb3491f68296ad1cedc8f03736921c8e133f62432997de29642e223c2a97f1cab5ce91d68af9

    • \Users\Admin\AppData\Local\Temp\nsdB675.tmp\nsDialogs.dll

      Filesize

      9KB

      MD5

      2aba8f16eca82517460013a3de7cbf67

      SHA1

      3812192fa7b873f426c4b0d0d822b3c9d51aa164

      SHA256

      60b85fad2477b8c0138067be3697290b280b9334cf408cb57894e3baae615d0d

      SHA512

      4e059f70ef420c22d69199557ff3eab9e51fcefc75d220b057f1508f9566cd6251f9e06a8fe3695bf7d913ebabd2519ce52f485f2de9a5e4ab3ebc553b877fb0

    • \Users\Admin\AppData\Local\Temp\nsdB675.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      5ed60250f74fa36a5a247a715bcd026e

      SHA1

      ff5f3ad0b32ede49a28e744664d086f6fe9e46b0

      SHA256

      ea8026766adc2d7cc26e2206cfdf5f0865b1426bfe3bc2aec8f43d3fc9a072ef

      SHA512

      2dd77324c1e0fea801a5cac1fe1d67349a5a93d4a9a459ee1e6b469f6ccce309fc45e513f38de238971b0a83d31e0afe3a2686eca8887772445209cde5735cee

    • \Users\Admin\AppData\Local\Temp\nsdB675.tmp\p\syschk.dll

      Filesize

      253KB

      MD5

      f46bc8015929e17a2b1aff097d7df0e4

      SHA1

      6c30de3e6a004021e231aaa62a2c5cedec72bc6d

      SHA256

      26602d21203cf28b0c840a57bee8f1ff52ff885223095797180c9afe91265c32

      SHA512

      ddee56e56a60db139029bc6a43e281d0eaeb8425363e28847e43819425e0ec28bb807408488a18fa492dbfe92f27f91f83575275f952cf35c81cee7b250d5cb2

    • \Users\Admin\AppData\Local\Temp\nsdB675.tmp\ui\pfUI.dll

      Filesize

      4.2MB

      MD5

      4a335bc4528b3b15a287615a9462cb3e

      SHA1

      8d05ba213c2ca142ea111bb03af7e8d2ad5d1816

      SHA256

      50190d7564ebd642f973377baebbd4e58585044b2bd335749d02295fd5998565

      SHA512

      d57a4bce4f26bbb89f3a7bf106bcd9804d2a49874f26cbb3151f5fc112782157c8fa0926e291ca570dba9eeec76a71e75b1dfa532a8438100da10b628cba919e

    • memory/1444-63-0x0000000002B50000-0x0000000002B90000-memory.dmp

      Filesize

      256KB

    • memory/1444-7-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/1444-6-0x0000000074690000-0x0000000074C3B000-memory.dmp

      Filesize

      5.7MB

    • memory/1444-17-0x0000000002B50000-0x0000000002B90000-memory.dmp

      Filesize

      256KB

    • memory/1444-5-0x0000000074690000-0x0000000074C3B000-memory.dmp

      Filesize

      5.7MB

    • memory/1444-28-0x0000000002B50000-0x0000000002B90000-memory.dmp

      Filesize

      256KB

    • memory/1444-0-0x0000000074690000-0x0000000074C3B000-memory.dmp

      Filesize

      5.7MB

    • memory/1444-3-0x0000000002B50000-0x0000000002B90000-memory.dmp

      Filesize

      256KB

    • memory/1444-4-0x0000000002B50000-0x0000000002B90000-memory.dmp

      Filesize

      256KB

    • memory/1444-2-0x0000000002B50000-0x0000000002B90000-memory.dmp

      Filesize

      256KB

    • memory/1444-1-0x0000000074690000-0x0000000074C3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2548-139-0x0000000003000000-0x0000000003001000-memory.dmp

      Filesize

      4KB

    • memory/2548-161-0x0000000003000000-0x0000000003001000-memory.dmp

      Filesize

      4KB