Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 10:36

General

  • Target

    534a46e4d4b274dfd5366ceba0e5ce88.exe

  • Size

    339KB

  • MD5

    534a46e4d4b274dfd5366ceba0e5ce88

  • SHA1

    425805bb6f46b4496cd8234c8fb34c420f62f9a1

  • SHA256

    1223f6a7ef9f4838631c9640c9552c66d61023283711f7e9b63b4d59014a0014

  • SHA512

    53a88fa01aa85c0b174856ac4c5414053d9f774764920d5d32f82354e366014f636d85add9acabe13f7034139a1732ece045d782dfd70a80e58f4b49ddfb9849

  • SSDEEP

    768:LevMNOunYSLjLEOHEn6fM1kF8amfIT3r5Wn/wZLkne43tgem4Kgo:ivA3LBixaZTdM/+gneGa66

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\534a46e4d4b274dfd5366ceba0e5ce88.exe
    "C:\Users\Admin\AppData\Local\Temp\534a46e4d4b274dfd5366ceba0e5ce88.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Roaming\sim.exe
      "C:\Users\Admin\AppData\Roaming\sim.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:848
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\sim.exe" "sim.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3781B4A3713292956206932165FA4132_247C447D981AB87548C17087CA562739

    Filesize

    471B

    MD5

    3bff57aeb78538d4f19dd6669330ec49

    SHA1

    e935d48489a2b71dfe644e8a28fb89efadf0cf50

    SHA256

    1f557a76094314ed6b49a99c2b48ea9ecec9aa77cb4cabf71bcef742c2a69616

    SHA512

    34424fb0ecc0ad2566535700281f440e7c689d256b8709bc89a719ee6c4526869194057039545cbb84f125ca30ee513501723146edb1711fdd7e65e15e815c05

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8890A77645B73478F5B1DED18ACBF795_E1EDEF0C21AE75D448F7327475DF4C9E

    Filesize

    471B

    MD5

    55301526ec0e5c9c98127a0552c7314e

    SHA1

    efa3232f6efeafd0ffb7546c7998ca448d003c9f

    SHA256

    8aab71269bbe608ebb84a0ac82bc25ee46909a895747fb1d5252351770f0eee0

    SHA512

    1488377e7450f28cebdf68982482903c83e600932984e1a358dff8b98e13f2b5b5ea1a003e84af15081952e76a4f04fb5e699471d224482493afccb09d97d6ea

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3781B4A3713292956206932165FA4132_247C447D981AB87548C17087CA562739

    Filesize

    408B

    MD5

    4c07053c8ed882f055a0ff239fb23b5c

    SHA1

    45e910678ba72f06cc35271e880c590451ed4ab8

    SHA256

    b179bbdba176a27af6ed79dc7155a040f830a7964c87e9e46d2dbfc3b337503e

    SHA512

    10ac56adb5c468cfd053b735d043a9c45d2b5c011967592515306ff6d935118f536aa5e0056cf8cfd976b4926ac4afb3dc10d567d00a20dbc94c44252f65342f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8890A77645B73478F5B1DED18ACBF795_E1EDEF0C21AE75D448F7327475DF4C9E

    Filesize

    400B

    MD5

    5b67e5aecbe10700084d0d7ee797f128

    SHA1

    ae53e758e22420e5e1415e021135a0718e6aa55b

    SHA256

    7ec8a49fc97e85d0f8059e38fa71dd392f01a03ab47ad4cb16c840cb2e8e43f3

    SHA512

    f2b1ec604d5a3b29eceda7d5fa385ddf191f9fbe9fde345af5ff967d769253c2aa4f2a5b63cb9f3f81ed8d68b99a49fe453161c903f13c5e5cf9f68ca7819a94

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

    Filesize

    344B

    MD5

    1a15ac69853cc8a56b3765b622bd2975

    SHA1

    cafd0f0a878fc11ee81624f71df0f584eaa368f9

    SHA256

    e79356cbeff65dca49fbd7a884096d5816bad84211f2c6e628b854168bb022db

    SHA512

    2b875db7e7b78edc9845585f5ffc2ff8fe86befb9e7cbb2506088cf9ec3916ed2cb399d69ea6f42a988ecc94863b95db9aede48251c31b5d187e5052a6af86dd

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

    Filesize

    344B

    MD5

    5bd80d90c6981d71aa7a3281597175a0

    SHA1

    d8b5908649ab127c6b0e96493b3be62a811634fc

    SHA256

    5da338ee35b549867c142e2d13306fcc9a4bae3692f4af85fee84792c2244321

    SHA512

    01d9eeae6e767ab420a32a6f6bcc04bfeafa7c344ceac0b5315ba2ca4c1045eaf9fb83028b61bd15660c075534131a5d85e5915baca5dd4837c8e26554509bf3

  • C:\Users\Admin\AppData\Local\Temp\Cab428E.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar430E.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Roaming\sim.exe

    Filesize

    339KB

    MD5

    534a46e4d4b274dfd5366ceba0e5ce88

    SHA1

    425805bb6f46b4496cd8234c8fb34c420f62f9a1

    SHA256

    1223f6a7ef9f4838631c9640c9552c66d61023283711f7e9b63b4d59014a0014

    SHA512

    53a88fa01aa85c0b174856ac4c5414053d9f774764920d5d32f82354e366014f636d85add9acabe13f7034139a1732ece045d782dfd70a80e58f4b49ddfb9849

  • memory/848-128-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB

  • memory/848-127-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/848-138-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB

  • memory/848-180-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/848-181-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB

  • memory/848-182-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB

  • memory/1104-129-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB

  • memory/1104-0-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB

  • memory/1104-2-0x0000000000210000-0x0000000000250000-memory.dmp

    Filesize

    256KB

  • memory/1104-1-0x0000000074180000-0x000000007472B000-memory.dmp

    Filesize

    5.7MB