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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2024, 08:11

General

  • Target

    Pepsico LLC RFQ Information.exe

  • Size

    476KB

  • MD5

    03488a1b8a6a8c42d18a63a68ca789d7

  • SHA1

    2b46352078bd5de68e50cd16b7923f546e046602

  • SHA256

    670532cd42859deefb166e5ed29997e67f1f9902a561d016fadf4c82f2f8f752

  • SHA512

    762eecfd0a27242a339a052b75401c0fd190e1e54d244c26bd4fc9ec1e84237feb9f3d8d63f72761efefd80e704ac6a9e7c2d946006dbb9d8325fd63e02b938a

  • SSDEEP

    12288:yY9BpM9pWRYjv8ympaWrzro1APuJhPlmeB:yxozM/jB

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 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\Pepsico LLC RFQ Information.exe
    "C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ Information.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ Information.exe
      "C:\Users\Admin\AppData\Local\Temp\Pepsico LLC RFQ Information.exe"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsjD950.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/2488-9-0x0000000003DD0000-0x0000000003F91000-memory.dmp

    Filesize

    1.8MB

  • memory/2488-11-0x0000000003DD0000-0x0000000003F91000-memory.dmp

    Filesize

    1.8MB

  • memory/2488-12-0x0000000003DD0000-0x0000000003F91000-memory.dmp

    Filesize

    1.8MB

  • memory/2488-13-0x0000000077271000-0x0000000077372000-memory.dmp

    Filesize

    1.0MB

  • memory/2488-14-0x0000000077270000-0x0000000077419000-memory.dmp

    Filesize

    1.7MB

  • memory/2488-28-0x0000000003DD0000-0x0000000003F91000-memory.dmp

    Filesize

    1.8MB

  • memory/2732-16-0x0000000077270000-0x0000000077419000-memory.dmp

    Filesize

    1.7MB

  • memory/2732-15-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2732-17-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2732-18-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB