Analysis

  • max time kernel
    300s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    22-08-2023 04:05

General

  • Target

    db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211.exe

  • Size

    248KB

  • MD5

    0463b8abe1f537979c3124ea6d948164

  • SHA1

    a16b47f1e3986173df3f5a57ce8eb8a16a50903e

  • SHA256

    db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211

  • SHA512

    fbf4394335447bc9f524356ceab7a8d5b35f3b89537093e552ffe83647aefe4a7f4299dea5e38ca57a0ef1e11125af84ab2fc713173e720b791b84de534192bd

  • SSDEEP

    3072:qeYZCLSWRH37DR+Cs7QxxcayGQFW4lb7TtGQ5L1lFTXeM5XpQEtF:YZCL9H37fs7QAzNFrbnMWL1lFTXpX

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211.exe
    "C:\Users\Admin\AppData\Local\Temp\db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211.exe
      "C:\Users\Admin\AppData\Local\Temp\db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2608
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FA161D53-F0DF-47A9-8AA6-E3D63816CD2B} S-1-5-21-377084978-2088738870-2818360375-1000:DSWJWADP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Roaming\sgbwrct
      C:\Users\Admin\AppData\Roaming\sgbwrct
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Users\Admin\AppData\Roaming\sgbwrct
        C:\Users\Admin\AppData\Roaming\sgbwrct
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: MapViewOfSection
        PID:2036

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    0463b8abe1f537979c3124ea6d948164

    SHA1

    a16b47f1e3986173df3f5a57ce8eb8a16a50903e

    SHA256

    db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211

    SHA512

    fbf4394335447bc9f524356ceab7a8d5b35f3b89537093e552ffe83647aefe4a7f4299dea5e38ca57a0ef1e11125af84ab2fc713173e720b791b84de534192bd

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

    Filesize

    248KB

    MD5

    0463b8abe1f537979c3124ea6d948164

    SHA1

    a16b47f1e3986173df3f5a57ce8eb8a16a50903e

    SHA256

    db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211

    SHA512

    fbf4394335447bc9f524356ceab7a8d5b35f3b89537093e552ffe83647aefe4a7f4299dea5e38ca57a0ef1e11125af84ab2fc713173e720b791b84de534192bd

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

    Filesize

    248KB

    MD5

    0463b8abe1f537979c3124ea6d948164

    SHA1

    a16b47f1e3986173df3f5a57ce8eb8a16a50903e

    SHA256

    db7882a8a9fad086f7b4d9ff145fd9133790e01ff39c4de5493437a43fc5b211

    SHA512

    fbf4394335447bc9f524356ceab7a8d5b35f3b89537093e552ffe83647aefe4a7f4299dea5e38ca57a0ef1e11125af84ab2fc713173e720b791b84de534192bd

  • memory/1208-75-0x00000000029E0000-0x00000000029F6000-memory.dmp

    Filesize

    88KB

  • memory/1208-60-0x0000000002950000-0x0000000002966000-memory.dmp

    Filesize

    88KB

  • memory/1860-53-0x0000000000220000-0x0000000000235000-memory.dmp

    Filesize

    84KB

  • memory/1860-54-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/1860-58-0x0000000000220000-0x0000000000235000-memory.dmp

    Filesize

    84KB

  • memory/2036-76-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2036-74-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2608-57-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2608-61-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2608-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2608-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB