Analysis

  • max time kernel
    300s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20-02-2024 04:48

General

  • Target

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe

  • Size

    234KB

  • MD5

    91279277b9cc7d43752c76dcaea5fce6

  • SHA1

    5411e516c578887602f29e56294e841b854b8b7e

  • SHA256

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08

  • SHA512

    3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696

  • SSDEEP

    3072:ntRDhbbbcLE9Ckqx8c4YgmDkkbmm4okHBqvs0R/b8JPbW:PB/cLE9CtycF1kZtoBb

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe
    "C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1672
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B9B35796-19DB-4811-A033-2CF9795832E5} S-1-5-21-3470981204-343661084-3367201002-1000:GLTGRJAG\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Roaming\vffbgvg
      C:\Users\Admin\AppData\Roaming\vffbgvg
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    50dbd15badda54134f5ecacae6b54741

    SHA1

    9a8218619bc644ad376036cbdceb2bc432f30671

    SHA256

    20b950ea163ba0944d164d1f2fe0b0707ad1311a71f4e92c2e4e6cb6bd6da6f0

    SHA512

    877a0d5780329c2b31059cfb850348a085b820d8284f072104bb7958f78e529082b3d5c3c3bfe4960259771021041084af2c5d908f7c08c6b3cdb1ef8465d2b8

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    d2ecad1dbf383385569648b6a84184ab

    SHA1

    ff40f67aa8d528354230e71162ee794d6b53e859

    SHA256

    4667d6373af0a611f9dc1b4929f8a19b687b831835515bb2bf5524dd9df97077

    SHA512

    feb7c0887038f3be029a14194ba0d4fc4df6c595e3966f258c0e7d608e60000e35390bd411aec1ce25306b49086685a2512efd439b01e41f8207719617dbb8ad

  • C:\Users\Admin\AppData\Local\Temp\Tar7258.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Roaming\vffbgvg

    Filesize

    234KB

    MD5

    91279277b9cc7d43752c76dcaea5fce6

    SHA1

    5411e516c578887602f29e56294e841b854b8b7e

    SHA256

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08

    SHA512

    3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696

  • memory/1256-4-0x00000000029A0000-0x00000000029B6000-memory.dmp

    Filesize

    88KB

  • memory/1256-150-0x0000000002ED0000-0x0000000002EE6000-memory.dmp

    Filesize

    88KB

  • memory/1672-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

    Filesize

    1024KB

  • memory/1672-5-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1672-3-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1672-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2400-148-0x0000000000500000-0x0000000000600000-memory.dmp

    Filesize

    1024KB

  • memory/2400-149-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2400-151-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB