Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2023 12:46

General

  • Target

    tmp.exe

  • Size

    259KB

  • MD5

    4e8bee4ffcd91df4d0af5ad5809a5836

  • SHA1

    f667fdda0388044884a7b98a9e25c79344e986ec

  • SHA256

    fe69a7884252cb7f2728065d43e5143e1c6168b5800813154f70727a97f78fc2

  • SHA512

    7d78d0fe3c3d761db9e79de77d2100d829f46b1c343e0fe0d59c2f6e30a41ed5ab3bbe6d154b01b71c1883a824f458865d0614fe40c3178963ef5ecfe079185b

  • SSDEEP

    6144:/Ya6Wp9dAl3KJDohZfDxO9rItqosk+MMnrSQBQvfD+DnYTT14UPj7Q:/YopwlqM7D09stErqQKvfAnYTT1PY

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ho62

Decoy

aqawonky.com

ancachsroadsideassistance.com

artologycreatlive.com

olesinfo.africa

lovebreatheandsleep.com

friendsofdragonsprings.com

homecomingmums.wiki

hg222.bet

precision-spares.co.uk

generalhospitaleu.africa

touchstone4x4.africa

dynamator.com

dental-implants-52531.com

efefear.buzz

bentonapp.net

89luxu.com

bridgesonelm.com

acesaigon.online

instantapprovals.loans

evuniverso.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Users\Admin\AppData\Local\Temp\mgsbmh.exe
        "C:\Users\Admin\AppData\Local\Temp\mgsbmh.exe" C:\Users\Admin\AppData\Local\Temp\qzvvclg.hww
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2060
        • C:\Users\Admin\AppData\Local\Temp\mgsbmh.exe
          "C:\Users\Admin\AppData\Local\Temp\mgsbmh.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3208
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\mgsbmh.exe"
        3⤵
          PID:3308

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      51KB

      MD5

      a0448488825d9ec069f14f096f7819bf

      SHA1

      b4b134e05075042992ab43cfdf8d89cf7035ebae

      SHA256

      0b3acb81b12210f2c6ed929a2ba1800c06faa781d65cbf03a00b35bd15bfb84b

      SHA512

      e78d2528c80dda2bca9c96c6e1d929cefb11de1ead484946d7d170e918f07dc1113ae4ee0c8264f39ca2e872ef8ef931c55976f7e172267de8d30a042fd600ef

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

      51KB

      MD5

      a0448488825d9ec069f14f096f7819bf

      SHA1

      b4b134e05075042992ab43cfdf8d89cf7035ebae

      SHA256

      0b3acb81b12210f2c6ed929a2ba1800c06faa781d65cbf03a00b35bd15bfb84b

      SHA512

      e78d2528c80dda2bca9c96c6e1d929cefb11de1ead484946d7d170e918f07dc1113ae4ee0c8264f39ca2e872ef8ef931c55976f7e172267de8d30a042fd600ef

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

      51KB

      MD5

      a0448488825d9ec069f14f096f7819bf

      SHA1

      b4b134e05075042992ab43cfdf8d89cf7035ebae

      SHA256

      0b3acb81b12210f2c6ed929a2ba1800c06faa781d65cbf03a00b35bd15bfb84b

      SHA512

      e78d2528c80dda2bca9c96c6e1d929cefb11de1ead484946d7d170e918f07dc1113ae4ee0c8264f39ca2e872ef8ef931c55976f7e172267de8d30a042fd600ef

    • C:\Users\Admin\AppData\Local\Temp\olpkhizgs.ad
      Filesize

      205KB

      MD5

      da93adf6273d48dc40849b0b0d763798

      SHA1

      e04be861160e8c80d8246cf7762659d7545d31c1

      SHA256

      08e22731cb15a03b218cc142c9aeb69b62159ea187f2491a7be8ca6cb558e32e

      SHA512

      eee5a1defcd159158606523db0f98ab1101ca1ec0dfc8c1cfbb73f16a37011552fbb5da3389fd740b8d215fc87f1c4df433f2fa8a222c809dae4a062e1524db2

    • C:\Users\Admin\AppData\Local\Temp\qzvvclg.hww
      Filesize

      5KB

      MD5

      911b087e7ba59d148ae81188bdbd70b1

      SHA1

      964665215f8ccae6974e9e23baac2efa3cbbc587

      SHA256

      cf80c63612e589e1fadc5405cdae4b1e34b7ffad4786afa7312308d7fd510a1d

      SHA512

      cd3cb008c92d20e950f99e2a88a12ce776f4f8a5e59fe8094bf71eeca00c70ea8ae731efd6b37ceb5c6a9e26a2aa358ec7283e28fba1e4df7109b8326d32080f

    • memory/2060-140-0x00000000005D0000-0x00000000005D2000-memory.dmp
      Filesize

      8KB

    • memory/2592-156-0x0000000000490000-0x00000000004BF000-memory.dmp
      Filesize

      188KB

    • memory/2592-152-0x0000000000FA0000-0x0000000000FAB000-memory.dmp
      Filesize

      44KB

    • memory/2592-153-0x0000000000FA0000-0x0000000000FAB000-memory.dmp
      Filesize

      44KB

    • memory/2592-158-0x0000000000AC0000-0x0000000000B54000-memory.dmp
      Filesize

      592KB

    • memory/2592-154-0x0000000000490000-0x00000000004BF000-memory.dmp
      Filesize

      188KB

    • memory/2592-155-0x0000000000BD0000-0x0000000000F1A000-memory.dmp
      Filesize

      3.3MB

    • memory/3136-182-0x0000000008BC0000-0x0000000008BD0000-memory.dmp
      Filesize

      64KB

    • memory/3136-194-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-159-0x00000000099D0000-0x0000000009B3A000-memory.dmp
      Filesize

      1.4MB

    • memory/3136-160-0x00000000099D0000-0x0000000009B3A000-memory.dmp
      Filesize

      1.4MB

    • memory/3136-161-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-162-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-163-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-164-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-166-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-165-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-167-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-168-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-169-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-170-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-171-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-172-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-173-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-174-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-175-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-176-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-177-0x0000000008BC0000-0x0000000008BD0000-memory.dmp
      Filesize

      64KB

    • memory/3136-178-0x0000000008BC0000-0x0000000008BD0000-memory.dmp
      Filesize

      64KB

    • memory/3136-180-0x00000000099D0000-0x0000000009B3A000-memory.dmp
      Filesize

      1.4MB

    • memory/3136-181-0x0000000008BC0000-0x0000000008BD0000-memory.dmp
      Filesize

      64KB

    • memory/3136-149-0x00000000090D0000-0x000000000924B000-memory.dmp
      Filesize

      1.5MB

    • memory/3136-188-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-189-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-190-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-191-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-192-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-193-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-235-0x0000000003420000-0x0000000003430000-memory.dmp
      Filesize

      64KB

    • memory/3136-195-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-196-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-197-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-198-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-199-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-200-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-201-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-202-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-203-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-205-0x0000000003030000-0x0000000003040000-memory.dmp
      Filesize

      64KB

    • memory/3136-206-0x0000000003030000-0x0000000003040000-memory.dmp
      Filesize

      64KB

    • memory/3136-207-0x0000000003030000-0x0000000003040000-memory.dmp
      Filesize

      64KB

    • memory/3136-209-0x0000000003030000-0x0000000003040000-memory.dmp
      Filesize

      64KB

    • memory/3136-210-0x0000000003030000-0x0000000003040000-memory.dmp
      Filesize

      64KB

    • memory/3136-211-0x0000000003030000-0x0000000003040000-memory.dmp
      Filesize

      64KB

    • memory/3136-217-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-218-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-219-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-220-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-221-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-222-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-223-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-224-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-225-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-226-0x0000000008020000-0x0000000008030000-memory.dmp
      Filesize

      64KB

    • memory/3136-233-0x0000000003420000-0x0000000003430000-memory.dmp
      Filesize

      64KB

    • memory/3136-234-0x0000000003420000-0x0000000003430000-memory.dmp
      Filesize

      64KB

    • memory/3208-142-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/3208-146-0x0000000000980000-0x0000000000CCA000-memory.dmp
      Filesize

      3.3MB

    • memory/3208-148-0x0000000000EA0000-0x0000000000EB5000-memory.dmp
      Filesize

      84KB

    • memory/3208-147-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB