Analysis

  • max time kernel
    120s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 07:10

General

  • Target

    BANK SLIP_TT COPY_0636300773456864-2-20-2024_pdf.exe

  • Size

    810KB

  • MD5

    804c01cdb13308dee846f082a467ea50

  • SHA1

    6fff2cfd577130426eeac26e18aced128f1be03c

  • SHA256

    7ddf09f19d18b6c18e1ca73643970e6d333b9cfaef448ff8a1e30f35c716d6cd

  • SHA512

    a2e17c3cce85de7d5464c57a0a979bf66a38e85d42a44d667e2aca0523ca55b18597a538f2e6e52376198255bd32e2440332afd56284e0ca6d394fd485f14a02

  • SSDEEP

    24576:fXrqImBCUkwIzhqGi6b38OR1oaD72E+gG:fWISDxisOPf+gG

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0636300773456864-2-20-2024_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0636300773456864-2-20-2024_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0636300773456864-2-20-2024_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_0636300773456864-2-20-2024_pdf.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsjC87F.tmp\System.dll

    Filesize

    11KB

    MD5

    3e6bf00b3ac976122f982ae2aadb1c51

    SHA1

    caab188f7fdc84d3fdcb2922edeeb5ed576bd31d

    SHA256

    4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe

    SHA512

    1286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706

  • memory/2540-25-0x0000000077C91000-0x0000000077D92000-memory.dmp

    Filesize

    1.0MB

  • memory/2540-26-0x0000000077C90000-0x0000000077E39000-memory.dmp

    Filesize

    1.7MB

  • memory/2616-27-0x0000000001500000-0x0000000007103000-memory.dmp

    Filesize

    92.0MB

  • memory/2616-28-0x0000000077C90000-0x0000000077E39000-memory.dmp

    Filesize

    1.7MB

  • memory/2616-50-0x0000000000490000-0x00000000014F2000-memory.dmp

    Filesize

    16.4MB

  • memory/2616-53-0x0000000000490000-0x00000000004F0000-memory.dmp

    Filesize

    384KB

  • memory/2616-54-0x0000000039EA0000-0x0000000039F38000-memory.dmp

    Filesize

    608KB

  • memory/2616-55-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-56-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-58-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-60-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-62-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-64-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-66-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-68-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-70-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-72-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-74-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-76-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-78-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-80-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-82-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-84-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-86-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-88-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-90-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-92-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-94-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-96-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-98-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-100-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-102-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-104-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-106-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-108-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-110-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-112-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-114-0x0000000039EA0000-0x0000000039F31000-memory.dmp

    Filesize

    580KB

  • memory/2616-2120-0x0000000036F60000-0x0000000036FAC000-memory.dmp

    Filesize

    304KB

  • memory/2616-2119-0x0000000036ED0000-0x0000000036EFC000-memory.dmp

    Filesize

    176KB

  • memory/2616-2122-0x000000003A3E0000-0x000000003A4C0000-memory.dmp

    Filesize

    896KB