Analysis

  • max time kernel
    187s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:30

General

  • Target

    Swift Payment Copy .xla.exe

  • Size

    793KB

  • MD5

    1721e78ab207e52b366bf7a7723a656b

  • SHA1

    d2cbaf931dc21807ae5f3ac477810f7f537d444e

  • SHA256

    85465b3e86e0e4a460fcf28729773f52de6777db71890ead00e4bee867a3e3ec

  • SHA512

    c03920bed87494876f7683ae7081c8977b90165e0645fe5b410dff13be305a61e60fef698972019a57074d7c9a2aa4ca0cf2089f66c323e70aaff73ee1a60510

  • SSDEEP

    12288:VV2cbnbazcd5JluSVVvkYhrN+kZt+kXPqTdTB2O4rwSMpxwhxStY:V4cnOcd53uSVVJRskZQWq5oOqLM2xS+

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://onedrive.live.com/download?cid=E0CF7F9E6AAF27EF&resid=E0CF7F9E6AAF27EF%21815&authkey=AO1B_84jlgMTl9c

Extracted

Family

formbook

Campaign

nvp4

Decoy

EiywrQNofDNveWY1IESoBA==

yqEWFGRfErX7ICQCwyQ+YeLXtaA=

Ers0rc50nbjso0jbdZTmBw==

XQxVP45+F5OZn3ZBTC7MLe1OF3G5c5uK9A==

RHh4uwtsttjzlxy+eW3+

W+xQshfnvmF5n5x2d+cEVdBNIkQRHRE=

FwlyiuXNX0+Trw==

euLn91on/7DeDe++zbQ4YeLXtaA=

td4cO8m3HDRWtl8p7Q==

ZrlyAAPqc3GXI5k=

OM0IisKOI78FJC/IuIxxAu5nRg==

d6A0QJ6PV+AOpyK+eW3+

+EgxFWUu3Ulatl8p7Q==

GC/stck1ILXn+cWZx7w8W6rPFmO6c5uK9A==

hhIiK4+CKEOfB4tr

mA1pyQ85ye8N

4xgWYcEpEoidv8eXKNncAQ==

L+hOVbe+IWyc8oVUclc=

J7EGaJ+L+wKLXUYg7w==

L5R/nfdgQdMHD+TUKw1Zo3Hb

Signatures

  • Formbook

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

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\Swift Payment Copy .xla.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Payment Copy .xla.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\png.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4020
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -FILE C:\Users\Public\Libraries\png.ps1
          4⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1464
      • C:\Windows\SysWOW64\colorcpl.exe
        C:\Windows\System32\colorcpl.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3488
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:3304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\Libraries\png

    Filesize

    185KB

    MD5

    3385285a8ae3b9aa8b29c9056f219725

    SHA1

    ce533bc605693d957c552e3bfada86c68c2f352b

    SHA256

    d630d5ab79ce2fc0f479a92226f945b7be51104f35e95ec0c9490d78ecc960e3

    SHA512

    689e87d6aa05bda334b18a4e2cd39d9445cfa8cb7e2495dec110aea7c851dc7abc5e00ae376884fd44f7479a1075e7121003d81b406be8cd9832d9c950db9321

  • C:\Users\Public\Libraries\png.bat

    Filesize

    100B

    MD5

    c385a71887d828b1df961942e68ecfe8

    SHA1

    3f539a56267af3db91be9ac9ea2fd5d803a53279

    SHA256

    bcd9e416bc017b7f079e7daee3b628ccdcf34cfb93d1d131f0d11ee2ba3498f3

    SHA512

    83d48fa5c8d06918fe63404500f35231f461dd7ce57540d9f9c36b0fcc81a15e02f28e5aa66acdf2183ce95acd2f301e3d5963c10e2bc298c93dab87e9d90848

  • C:\Users\Public\Libraries\png.ps1

    Filesize

    241B

    MD5

    16347e9f1fab632cc9f3bda14900ac97

    SHA1

    9d7838e4d9693b0911028a1976d3179dfc17c583

    SHA256

    25cef2e7db529683a3725c54e4cf7a596c872a5e42519095ce2fe5730888e57e

    SHA512

    9bde664979109e99f7d9a3bc70783befd706a722f8e9b0e3f5da177e0d4c0746b15dd929d882439479817822edc1b384a645a3617585de8215bcdf90d9001f67

  • memory/1464-139-0x0000000004B80000-0x0000000004BA2000-memory.dmp

    Filesize

    136KB

  • memory/1464-137-0x00000000044F0000-0x0000000004526000-memory.dmp

    Filesize

    216KB

  • memory/1464-138-0x0000000004C70000-0x0000000005298000-memory.dmp

    Filesize

    6.2MB

  • memory/1464-140-0x00000000053A0000-0x0000000005406000-memory.dmp

    Filesize

    408KB

  • memory/1464-141-0x0000000005410000-0x0000000005476000-memory.dmp

    Filesize

    408KB

  • memory/1464-142-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

    Filesize

    120KB

  • memory/1464-136-0x0000000000000000-mapping.dmp

  • memory/1464-144-0x0000000007170000-0x00000000077EA000-memory.dmp

    Filesize

    6.5MB

  • memory/1464-145-0x0000000005F70000-0x0000000005F8A000-memory.dmp

    Filesize

    104KB

  • memory/2380-157-0x00000000031D0000-0x00000000032FD000-memory.dmp

    Filesize

    1.2MB

  • memory/2380-165-0x00000000089E0000-0x0000000008B46000-memory.dmp

    Filesize

    1.4MB

  • memory/2380-163-0x00000000089E0000-0x0000000008B46000-memory.dmp

    Filesize

    1.4MB

  • memory/3304-158-0x0000000000000000-mapping.dmp

  • memory/3304-160-0x0000000000410000-0x000000000043D000-memory.dmp

    Filesize

    180KB

  • memory/3304-164-0x0000000000410000-0x000000000043D000-memory.dmp

    Filesize

    180KB

  • memory/3304-162-0x0000000002150000-0x00000000021DF000-memory.dmp

    Filesize

    572KB

  • memory/3304-161-0x00000000022C0000-0x000000000260A000-memory.dmp

    Filesize

    3.3MB

  • memory/3304-159-0x0000000000850000-0x0000000000862000-memory.dmp

    Filesize

    72KB

  • memory/3488-154-0x0000000005770000-0x0000000005ABA000-memory.dmp

    Filesize

    3.3MB

  • memory/3488-156-0x00000000056A0000-0x00000000056B0000-memory.dmp

    Filesize

    64KB

  • memory/3488-155-0x0000000010432000-0x0000000010434000-memory.dmp

    Filesize

    8KB

  • memory/3488-153-0x0000000010411000-0x000000001043F000-memory.dmp

    Filesize

    184KB

  • memory/3488-152-0x0000000010410000-0x000000001043F000-memory.dmp

    Filesize

    188KB

  • memory/3488-147-0x0000000000000000-mapping.dmp

  • memory/3488-151-0x0000000010410000-0x000000001043F000-memory.dmp

    Filesize

    188KB

  • memory/3536-148-0x0000000010410000-0x000000001043F000-memory.dmp

    Filesize

    188KB

  • memory/3536-132-0x0000000003E50000-0x0000000003E7C000-memory.dmp

    Filesize

    176KB

  • memory/3536-149-0x0000000010410000-0x000000001043F000-memory.dmp

    Filesize

    188KB

  • memory/4020-134-0x0000000000000000-mapping.dmp