Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    14-08-2023 06:03

General

  • Target

    e124d67c2826c790091a246499d7ee96afcc64654301fce55578e007bcc06493.exe

  • Size

    3.4MB

  • MD5

    9aa9efd79dd46aca3b19e9e74693edc4

  • SHA1

    0d822bbf96f4a06608b199463610a3834952982b

  • SHA256

    e124d67c2826c790091a246499d7ee96afcc64654301fce55578e007bcc06493

  • SHA512

    f90482f5f3a72db0973505d70cb67d30dabf36c0aa94bb46e9f915c87cc90f5fa592e5d370628427030ed6855bbd2912c4576b5341e714db70c43fea70e3ab1c

  • SSDEEP

    49152:vOxQnlJI9I/3h7g0WmF7mCjux45thzJV7mcxqhAyGWv4uA+A6e7u:WElJI9JVamfm5tFJVycQG0N0

Score
10/10

Malware Config

Signatures

  • r77

    r77 is an open-source, userland rootkit.

  • r77 rootkit payload 3 IoCs

    Detects the payload of the r77 rootkit.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 24 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e124d67c2826c790091a246499d7ee96afcc64654301fce55578e007bcc06493.exe
    "C:\Users\Admin\AppData\Local\Temp\e124d67c2826c790091a246499d7ee96afcc64654301fce55578e007bcc06493.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\a.exe
      C:\Users\Admin\AppData\Local\Temp\\a.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    a77671c41f319327ad9eb58445a2459d

    SHA1

    08521a29df8a460994c652d398f585406d676fbc

    SHA256

    5892edbf121df28d36ca7960b505c518442fa46de9a0e6f1d1a494721f6a3116

    SHA512

    8753a47beaa8b91023e0e73ab578acec98e8a93990bcfd06447d241a5bfc030719a97fcab97d541df0177e17c873f580fddf1adc849bf7e9380354151a7a32a7

  • C:\Users\Admin\AppData\Local\Temp\Cab8E7C.tmp

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\Tar8FB7.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

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

    Filesize

    1.5MB

    MD5

    3f1fdb5a55b85312fcc54b6f276bfc61

    SHA1

    d797a6d2746d30c6a8025fb23a00b6f761050f43

    SHA256

    7379cf675477c2048f21a1b32dbaeb225cd7d932bdf2f03aaa18a2a0c9e3aac2

    SHA512

    a6f064d7f75c8712137d5d3c17a1fd4f705777a410c89a2f7cc2e5ddea21dbb830236166ce25e92a3cd2fba3e9a20df55bd0f0ce9b66bdec54c074e9c3cc11e7

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

    Filesize

    1.5MB

    MD5

    3f1fdb5a55b85312fcc54b6f276bfc61

    SHA1

    d797a6d2746d30c6a8025fb23a00b6f761050f43

    SHA256

    7379cf675477c2048f21a1b32dbaeb225cd7d932bdf2f03aaa18a2a0c9e3aac2

    SHA512

    a6f064d7f75c8712137d5d3c17a1fd4f705777a410c89a2f7cc2e5ddea21dbb830236166ce25e92a3cd2fba3e9a20df55bd0f0ce9b66bdec54c074e9c3cc11e7

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

    Filesize

    1.5MB

    MD5

    3f1fdb5a55b85312fcc54b6f276bfc61

    SHA1

    d797a6d2746d30c6a8025fb23a00b6f761050f43

    SHA256

    7379cf675477c2048f21a1b32dbaeb225cd7d932bdf2f03aaa18a2a0c9e3aac2

    SHA512

    a6f064d7f75c8712137d5d3c17a1fd4f705777a410c89a2f7cc2e5ddea21dbb830236166ce25e92a3cd2fba3e9a20df55bd0f0ce9b66bdec54c074e9c3cc11e7

  • memory/2964-97-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-63-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-70-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-72-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-74-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-76-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-78-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-80-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-84-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-82-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-86-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-88-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-91-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-93-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-54-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-95-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-99-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-101-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-65-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-68-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-55-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-56-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-59-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2964-61-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3056-105-0x0000000000340000-0x000000000037E000-memory.dmp

    Filesize

    248KB

  • memory/3056-110-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-111-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-108-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-107-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-106-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

    Filesize

    9.9MB

  • memory/3056-109-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-196-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

    Filesize

    9.9MB

  • memory/3056-197-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-198-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-199-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-200-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB

  • memory/3056-201-0x000000001AE90000-0x000000001AF10000-memory.dmp

    Filesize

    512KB