Analysis

  • max time kernel
    121s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2023 04:47

General

  • Target

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe

  • Size

    73KB

  • MD5

    55a64ee555cce3158a72009b8c2b0cff

  • SHA1

    386232ca3818ec7e3a19f1e54e3970036ee2c682

  • SHA256

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9

  • SHA512

    303c2cfb82a444d2f957accb3d3f7c2155945f978d715bd66826665901f1eb258bbc173ab1257c9a669ed31e8c71e9c27d387b9864c66def87560489f4a000b7

  • SSDEEP

    1536:7TJneYp48xQdTEprIvLk3FL5QyjtPZA9oioQ+/:nE89J5fjtPm9oN

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe
    "C:\Users\Admin\AppData\Local\Temp\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe
      "C:\Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\088D78689371D39E2B183BEA37F7313E

    Filesize

    503B

    MD5

    f0a84e34684536aa28353865eeb1b8eb

    SHA1

    1537e73198ddec46589eff66494481468b4bb8a6

    SHA256

    9c91595df518bba03ad5ab78f794b234d53b5affb088023aad76812375bf9b01

    SHA512

    f14cc3d2c6bf382cabce521a42947ec4fbe600a1a7e718c553a94a9e0381d5eceeb78400a31efc0626ea62935da5aaee132b991ca78e69af9ba2a989a3cf9df1

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751

    Filesize

    717B

    MD5

    60fe01df86be2e5331b0cdbe86165686

    SHA1

    2a79f9713c3f192862ff80508062e64e8e0b29bd

    SHA256

    c08ccbc876cd5a7cdfa9670f9637da57f6a1282198a9bc71fc7d7247a6e5b7a8

    SHA512

    ef9f9a4dedcbfe339f4f3d07fb614645596c6f2b15608bdccdad492578b735f7cb075bdaa07178c764582ee345857ec4665f90342694e6a60786bb3d9b3a3d23

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\088D78689371D39E2B183BEA37F7313E

    Filesize

    552B

    MD5

    488debe00b21d2f7e7561e06b144f281

    SHA1

    c56c31af06e0966a422629fe4a1b9717444c598f

    SHA256

    bd410ada3f838a24fff9b87d59da33c46520fecc85ba4b757449df24eaeb4d6a

    SHA512

    daa492627d66c5168f2c26873ae46227123a251fa9573913f990c6b2a81da3fa4c7107ec2e64c7e81461762e19d0fb0432ce81d3529ca698a4979666f09ebc06

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751

    Filesize

    192B

    MD5

    4743bd00620f48d6d17e2d8becec1da5

    SHA1

    d5b6055b3a062064c617571a14ddcc6789aecb4b

    SHA256

    db8ebfafad29c9adc64e4f5d548c06b1d2d2459a4b1afca4c0e1420ae9f64866

    SHA512

    fae3d66344575527d7e0a3acd7839821575ace47ca45a2a1d5bb6a74c2dcd822e6247ccf883e8dd139edeae699e89d14e409e74e2776a07e53d848e6f968c8c9

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

    Filesize

    344B

    MD5

    8db98bad180e72baeb87ce4fc9b6dc4c

    SHA1

    bf7dba153cfdde80b5c399f156bcb01a3556efdf

    SHA256

    a2d87356ab263443994215685c665b124e2a2c08ad65ec31b88c5a8cd02a82ea

    SHA512

    c7e767d13ba883d502afe92ee58bff0f1f8024dc2d0c19f04df9732339a6252a45b1a6a65aefc5e9528525b0a422503b9e3df64cfc4d0bb0c9d43512b4ef25fa

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

    Filesize

    344B

    MD5

    b9144b5933dfa0698b6d93774d4c88a0

    SHA1

    ba2f6ab64282aa8a4c8b37bdb9fcd0a31daacb78

    SHA256

    5d0e672a09531fd32d190595d180b6e88a48d912021d864f78ef29beb38a408f

    SHA512

    9a49bf0fe4d81d350a63137f21cdc8f0980b00b25ec4b9b32aa834342de91e74b51c47ca48035af53e99f27cb4dac281ec06ec366d9d4815c53cc0f4aa372144

  • C:\Users\Admin\AppData\Local\Temp\Cab3EF6.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar3F85.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe

    Filesize

    73KB

    MD5

    55a64ee555cce3158a72009b8c2b0cff

    SHA1

    386232ca3818ec7e3a19f1e54e3970036ee2c682

    SHA256

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9

    SHA512

    303c2cfb82a444d2f957accb3d3f7c2155945f978d715bd66826665901f1eb258bbc173ab1257c9a669ed31e8c71e9c27d387b9864c66def87560489f4a000b7

  • C:\Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe

    Filesize

    73KB

    MD5

    55a64ee555cce3158a72009b8c2b0cff

    SHA1

    386232ca3818ec7e3a19f1e54e3970036ee2c682

    SHA256

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9

    SHA512

    303c2cfb82a444d2f957accb3d3f7c2155945f978d715bd66826665901f1eb258bbc173ab1257c9a669ed31e8c71e9c27d387b9864c66def87560489f4a000b7

  • C:\Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe

    Filesize

    73KB

    MD5

    55a64ee555cce3158a72009b8c2b0cff

    SHA1

    386232ca3818ec7e3a19f1e54e3970036ee2c682

    SHA256

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9

    SHA512

    303c2cfb82a444d2f957accb3d3f7c2155945f978d715bd66826665901f1eb258bbc173ab1257c9a669ed31e8c71e9c27d387b9864c66def87560489f4a000b7

  • \Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe

    Filesize

    73KB

    MD5

    55a64ee555cce3158a72009b8c2b0cff

    SHA1

    386232ca3818ec7e3a19f1e54e3970036ee2c682

    SHA256

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9

    SHA512

    303c2cfb82a444d2f957accb3d3f7c2155945f978d715bd66826665901f1eb258bbc173ab1257c9a669ed31e8c71e9c27d387b9864c66def87560489f4a000b7

  • \Users\Admin\AppData\Local\d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9.exe

    Filesize

    73KB

    MD5

    55a64ee555cce3158a72009b8c2b0cff

    SHA1

    386232ca3818ec7e3a19f1e54e3970036ee2c682

    SHA256

    d5cabd5eeb95c5522cb66be8d13fd991f6de4743e77e5c60782736f0d04e46b9

    SHA512

    303c2cfb82a444d2f957accb3d3f7c2155945f978d715bd66826665901f1eb258bbc173ab1257c9a669ed31e8c71e9c27d387b9864c66def87560489f4a000b7

  • memory/2184-141-0x00000000034B0000-0x00000000034DA000-memory.dmp

    Filesize

    168KB

  • memory/2268-91-0x0000000003370000-0x000000000339A000-memory.dmp

    Filesize

    168KB

  • memory/2268-87-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB