Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    21-07-2023 05:59

General

  • Target

    QUOTE 367490.xls

  • Size

    1.4MB

  • MD5

    affd47cfa5f9b6138138bbcf3d9bd01a

  • SHA1

    09f8d0372d30cee602b51543fb1e47e41bf99146

  • SHA256

    3631cef235754ade0b7e46898abd5c69f736439897e28b16c141b3e1c8780389

  • SHA512

    d2d05d70343f55f307989cb1f34d02255b80bb8181b3b230ae4d582cc5b2a6ed73f53ee40790266b2e4cf114913dbc6a0b5ef8a4aaded7f945dd1d39edb5f6c0

  • SSDEEP

    24576:K9u9VNZylw6VMOZymw6VqViNhuuvvtg3oqVUbXQwNgZffsLMy5w/x:K9uPR6VMYe6VCiNhv3tsMXXNhLr5E

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ms14

Decoy

adjoinstaff.online

kmmdznky.cfd

keyviewgroup.com

kidomarketing.com

jroxtqpq.cfd

jdevmx.com

genqaagz.cfd

1cdpwp.cfd

francegoldvip.com

2qy218.xyz

peterscanner.com

trullys.com

aniwatch.top

windyhillcnc.com

pokazhu.com

r74jsy.cfd

paulgadgets.com

lindanewtee.com

lasik-de-de-8808230.zone

critone.site

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 12 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\QUOTE 367490.xls"
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3004
    • 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:2132
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe"
        3⤵
          PID:2100
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe
        "C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe"
        2⤵
        • Checks QEMU agent file
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe
          "C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe"
          3⤵
          • Checks QEMU agent file
          • Loads dropped DLL
          • Suspicious use of NtCreateThreadExHideFromDebugger
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\8EEE3394.emf

      Filesize

      1.4MB

      MD5

      a01b9617553432807b9b58025b338d97

      SHA1

      439bdcc450408b9735b2428c2d53d2e6977fa58c

      SHA256

      7a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce

      SHA512

      312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee

    • C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe

      Filesize

      402KB

      MD5

      492d80094e553a4d75e2922a847f1314

      SHA1

      940135286f07e89f6ece6a211382009ba9a9e905

      SHA256

      b101cf0ec986e1879a51d9c395a8c48e35dbee7d2e48846260d52ed42e125764

      SHA512

      ea5ff009c7760d0deaca665eef5d0356d61245acafdf0469a180171ae08c0fee75bcc22ec8bc2df5501c86f3e798aa28eb0d994ad81d652b7185b94740759a8a

    • C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe

      Filesize

      402KB

      MD5

      492d80094e553a4d75e2922a847f1314

      SHA1

      940135286f07e89f6ece6a211382009ba9a9e905

      SHA256

      b101cf0ec986e1879a51d9c395a8c48e35dbee7d2e48846260d52ed42e125764

      SHA512

      ea5ff009c7760d0deaca665eef5d0356d61245acafdf0469a180171ae08c0fee75bcc22ec8bc2df5501c86f3e798aa28eb0d994ad81d652b7185b94740759a8a

    • C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe

      Filesize

      402KB

      MD5

      492d80094e553a4d75e2922a847f1314

      SHA1

      940135286f07e89f6ece6a211382009ba9a9e905

      SHA256

      b101cf0ec986e1879a51d9c395a8c48e35dbee7d2e48846260d52ed42e125764

      SHA512

      ea5ff009c7760d0deaca665eef5d0356d61245acafdf0469a180171ae08c0fee75bcc22ec8bc2df5501c86f3e798aa28eb0d994ad81d652b7185b94740759a8a

    • C:\Users\Admin\AppData\Local\Temp\IBM_INC.exe

      Filesize

      402KB

      MD5

      492d80094e553a4d75e2922a847f1314

      SHA1

      940135286f07e89f6ece6a211382009ba9a9e905

      SHA256

      b101cf0ec986e1879a51d9c395a8c48e35dbee7d2e48846260d52ed42e125764

      SHA512

      ea5ff009c7760d0deaca665eef5d0356d61245acafdf0469a180171ae08c0fee75bcc22ec8bc2df5501c86f3e798aa28eb0d994ad81d652b7185b94740759a8a

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

      Filesize

      402KB

      MD5

      492d80094e553a4d75e2922a847f1314

      SHA1

      940135286f07e89f6ece6a211382009ba9a9e905

      SHA256

      b101cf0ec986e1879a51d9c395a8c48e35dbee7d2e48846260d52ed42e125764

      SHA512

      ea5ff009c7760d0deaca665eef5d0356d61245acafdf0469a180171ae08c0fee75bcc22ec8bc2df5501c86f3e798aa28eb0d994ad81d652b7185b94740759a8a

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

      Filesize

      402KB

      MD5

      492d80094e553a4d75e2922a847f1314

      SHA1

      940135286f07e89f6ece6a211382009ba9a9e905

      SHA256

      b101cf0ec986e1879a51d9c395a8c48e35dbee7d2e48846260d52ed42e125764

      SHA512

      ea5ff009c7760d0deaca665eef5d0356d61245acafdf0469a180171ae08c0fee75bcc22ec8bc2df5501c86f3e798aa28eb0d994ad81d652b7185b94740759a8a

    • \Users\Admin\AppData\Local\Temp\nsd8A47.tmp\System.dll

      Filesize

      11KB

      MD5

      fccff8cb7a1067e23fd2e2b63971a8e1

      SHA1

      30e2a9e137c1223a78a0f7b0bf96a1c361976d91

      SHA256

      6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

      SHA512

      f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

    • memory/564-89-0x0000000000400000-0x0000000001462000-memory.dmp

      Filesize

      16.4MB

    • memory/564-94-0x0000000034BD0000-0x0000000034ED3000-memory.dmp

      Filesize

      3.0MB

    • memory/564-96-0x00000000000B0000-0x00000000000C4000-memory.dmp

      Filesize

      80KB

    • memory/564-95-0x0000000000400000-0x0000000001462000-memory.dmp

      Filesize

      16.4MB

    • memory/564-91-0x0000000001470000-0x0000000004A62000-memory.dmp

      Filesize

      53.9MB

    • memory/564-87-0x0000000000400000-0x0000000001462000-memory.dmp

      Filesize

      16.4MB

    • memory/564-88-0x0000000077AE0000-0x0000000077C89000-memory.dmp

      Filesize

      1.7MB

    • memory/564-98-0x0000000001470000-0x0000000004A62000-memory.dmp

      Filesize

      53.9MB

    • memory/564-90-0x0000000000400000-0x0000000001462000-memory.dmp

      Filesize

      16.4MB

    • memory/1208-112-0x00000000094F0000-0x0000000009624000-memory.dmp

      Filesize

      1.2MB

    • memory/1208-109-0x00000000094F0000-0x0000000009624000-memory.dmp

      Filesize

      1.2MB

    • memory/1208-111-0x00000000094F0000-0x0000000009624000-memory.dmp

      Filesize

      1.2MB

    • memory/1208-106-0x0000000007520000-0x00000000076BE000-memory.dmp

      Filesize

      1.6MB

    • memory/1208-97-0x0000000007520000-0x00000000076BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2132-105-0x0000000000080000-0x00000000000AE000-memory.dmp

      Filesize

      184KB

    • memory/2132-107-0x0000000001E30000-0x0000000001EC3000-memory.dmp

      Filesize

      588KB

    • memory/2132-101-0x0000000000080000-0x00000000000AE000-memory.dmp

      Filesize

      184KB

    • memory/2132-99-0x0000000000890000-0x000000000089A000-memory.dmp

      Filesize

      40KB

    • memory/2132-103-0x0000000002100000-0x0000000002403000-memory.dmp

      Filesize

      3.0MB

    • memory/2132-100-0x0000000000890000-0x000000000089A000-memory.dmp

      Filesize

      40KB

    • memory/2740-85-0x000000006D120000-0x000000006D126000-memory.dmp

      Filesize

      24KB

    • memory/2740-83-0x0000000077CD0000-0x0000000077DA6000-memory.dmp

      Filesize

      856KB

    • memory/2740-82-0x0000000077AE0000-0x0000000077C89000-memory.dmp

      Filesize

      1.7MB

    • memory/3004-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3004-81-0x0000000073EDD000-0x0000000073EE8000-memory.dmp

      Filesize

      44KB

    • memory/3004-55-0x0000000073EDD000-0x0000000073EE8000-memory.dmp

      Filesize

      44KB

    • memory/3004-121-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3004-136-0x0000000073EDD000-0x0000000073EE8000-memory.dmp

      Filesize

      44KB