Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 05:55

General

  • Target

    31c574777581c4de59ebd922a59816fc.exe

  • Size

    1.5MB

  • MD5

    31c574777581c4de59ebd922a59816fc

  • SHA1

    8b8ecc3713dd59253d62920b326144a1ca86f24b

  • SHA256

    d7ea846906bb1bfca1b9f8025999edcb190ae8ae453f8544575570c626b45652

  • SHA512

    00b6973ef4e4c0e63d437a4c771baac790c2f57d1afd1592b80d54a39061f7f14fc74120158c8395d311c1672eb7d8c9ec069e63eb793b57340c11fd4d1e3bff

  • SSDEEP

    24576:t2/tk8qk++Zu0LQPH5pr9exzxRNjbOWaWfTY9nUSYwrJwodL+qLkmNlQm8sVpCDO:QFk8b+sGPHvr9KzTpbWWfTYZXYwrJwoP

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31c574777581c4de59ebd922a59816fc.exe
    "C:\Users\Admin\AppData\Local\Temp\31c574777581c4de59ebd922a59816fc.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\31c574777581c4de59ebd922a59816fc.exe
      "C:\Users\Admin\AppData\Local\Temp\31c574777581c4de59ebd922a59816fc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Users\Admin\AppData\Local\Temp\31c574777581c4de59ebd922a59816fc.exe
        "C:\Users\Admin\AppData\Local\Temp\31c574777581c4de59ebd922a59816fc.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\brasilian cum beast catfight latex .rar.exe

    Filesize

    270KB

    MD5

    eb8e446eae3af274b1f210dc1ef7a651

    SHA1

    008531a91d8838168552dca30857eba09a6be526

    SHA256

    a5fdab01b313c195fae00814063a0a88fa0db165b23d03e82084efc62c2c6644

    SHA512

    7ba48e68f3e92354cafc9c506217e5f16e98301b9895a63de63bb67692be3f02fa02532fe2aa65ed3f00e7424798a1c905b4524a5d79271bbeee9910ba2cec83

  • C:\debug.txt

    Filesize

    183B

    MD5

    9bf89e32817f5a5eebf27b4905f656a1

    SHA1

    6638d8e5c1ee41a09939320f054897ded051a7da

    SHA256

    d7ede96844d6f558dfb175b6b10ebda78d5e46ef3a4987537a2374dbab2520f3

    SHA512

    2fa12dbaf882bc1af59febff944b715e3eedc69fe5f04c0cecf2ea0234809704e537b8ad16ff26d1059ec4cd6b7bca9610088e4319aafdcecb4d3c051f302127

  • memory/112-89-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/112-103-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-126-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-115-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-91-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-144-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-141-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-63-0x0000000002030000-0x000000000204D000-memory.dmp

    Filesize

    116KB

  • memory/2252-104-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-107-0x0000000002030000-0x000000000204D000-memory.dmp

    Filesize

    116KB

  • memory/2252-138-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-109-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-112-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-135-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-120-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-123-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-129-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2252-132-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2444-88-0x0000000001D80000-0x0000000001D9D000-memory.dmp

    Filesize

    116KB

  • memory/2444-108-0x0000000001D80000-0x0000000001D9D000-memory.dmp

    Filesize

    116KB

  • memory/2444-64-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2444-94-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB