Overview

overview

10

Static

static

load.exe

windows7_x64

10

load.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-03-2021 23:25

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General

  • Target

    load.exe

  • Size

    284KB

  • MD5

    5ed271e10ba37319d01d44acd33489a7

  • SHA1

    7130a850b50d5fccc1401f57ad95cac863a02062

  • SHA256

    178fb69c394a6d86a3695acbb025bc2f3be31dea683ee6e5016af0566eef8111

  • SHA512

    882d1adf9f2513d5578a72dcc50f0ef510def30c2c1ed0af5f051752e299a72be79c48660038aa852a39007c8286c6ea2ba2886cf0d8e4a859573faedf1ca27f

Score
10/10
smokeloaderbackdoordiscoverytrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://jibw.top/

http://lakf.top/

http://yapv.top/

http://pqdb.top/

http://bpqx.top/

http://gyuw.top/

http://vafc.top/

http://qgam.top/

http://viio.top/

http://chpp.top/

http://csji.top/

http://xxql.top/

http://vtxa.top/

http://ggoz.top/

http://crpa.top/

http://vuss.top/

http://coal.top/

http://fymm.top/

http://roaf.top/

http://aeus.top/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\load.exe
    "C:\Users\Admin\AppData\Local\Temp\load.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1932
  • C:\Users\Admin\AppData\Local\Temp\D8D2.exe
    C:\Users\Admin\AppData\Local\Temp\D8D2.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\is-L5LVR.tmp\D8D2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-L5LVR.tmp\D8D2.tmp" /SL5="$3011A,6439171,58368,C:\Users\Admin\AppData\Local\Temp\D8D2.exe" /verysilent
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      PID:820
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1124

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\ZD Soft Screen Recorder.lnk
      MD5

      6cb0d4cde191eb78b444e987d5b8096a

      SHA1

      fb59825e78e17fea15575fec93e9b89941eef5db

      SHA256

      1aca1709ed164e831b4c162d5380d6cd027de437a935147d7605083245b53069

      SHA512

      27635b72263ae09d1064a8fb82759c2265d04e7275ad8b2e6337326855e180083ccf046009801334180e39d9cd05fc1f0d33d70ca8f7f231e7801d55195bb998

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\D8D2.exe
      MD5

      549eed1aa97ce24f9aa8c146fd7908e6

      SHA1

      6a70b105331cd3d58e1dea49c14ecef656c5656f

      SHA256

      75bc9d1bcf53fcf30be16eff38359d7b78de07c3ada0c5d97e65f9d6926d398c

      SHA512

      33306f0daca755c7217c8685b8b47ea107e556ca244a1be20a09c3fc976b74cd91b4d3adaf4ab85996ecec18b086b316efdf20584a311ffe6be9d54cd5add2ac

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\D8D2.exe
      MD5

      549eed1aa97ce24f9aa8c146fd7908e6

      SHA1

      6a70b105331cd3d58e1dea49c14ecef656c5656f

      SHA256

      75bc9d1bcf53fcf30be16eff38359d7b78de07c3ada0c5d97e65f9d6926d398c

      SHA512

      33306f0daca755c7217c8685b8b47ea107e556ca244a1be20a09c3fc976b74cd91b4d3adaf4ab85996ecec18b086b316efdf20584a311ffe6be9d54cd5add2ac

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\is-L5LVR.tmp\D8D2.tmp
      MD5

      1afbd25db5c9a90fe05309f7c4fbcf09

      SHA1

      baf330b5c249ca925b4ea19a52fe8b2c27e547fa

      SHA256

      3bb0ee5569fe5453c6b3fa25aa517b925d4f8d1f7ba3475e58fa09c46290658c

      SHA512

      3a448f06862c6d163fd58b68b836d866ae513e04a69774abf5a0c5b7df74f5b9ee37240083760185618c5068bf93e7fd812e76b3e530639111fb1d74f4d28419

      Download Submit

    • \??\c:\users\admin\appdata\local\temp\is-l5lvr.tmp\d8d2.tmp
      MD5

      1afbd25db5c9a90fe05309f7c4fbcf09

      SHA1

      baf330b5c249ca925b4ea19a52fe8b2c27e547fa

      SHA256

      3bb0ee5569fe5453c6b3fa25aa517b925d4f8d1f7ba3475e58fa09c46290658c

      SHA512

      3a448f06862c6d163fd58b68b836d866ae513e04a69774abf5a0c5b7df74f5b9ee37240083760185618c5068bf93e7fd812e76b3e530639111fb1d74f4d28419

      Download Submit

    • \Program Files (x86)\ZD Soft\Screen Recorder\ScnRec.exe
      MD5

      593944aef09e7d3a27423317f6f55134

      SHA1

      a428f9b33b8fabde1dcae53bcd83f95d980604b2

      SHA256

      0db8d1c9753e8dad4e6db5424ce7429240b19490891e98c133214ccefc72aa76

      SHA512

      e4d99f0dff720870d7c90fdeab8a5f5ee1e7c27f56b0a40da1827ea87101462c6d900848ebb29d5409919ab68e88185cfa0a92ce8614e77cbdfa51b0a8442320

      Download Submit

    • \Users\Admin\AppData\Local\Temp\1F19.tmp
      MD5

      d124f55b9393c976963407dff51ffa79

      SHA1

      2c7bbedd79791bfb866898c85b504186db610b5d

      SHA256

      ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

      SHA512

      278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

      Download Submit

    • \Users\Admin\AppData\Local\Temp\is-L5LVR.tmp\D8D2.tmp
      MD5

      1afbd25db5c9a90fe05309f7c4fbcf09

      SHA1

      baf330b5c249ca925b4ea19a52fe8b2c27e547fa

      SHA256

      3bb0ee5569fe5453c6b3fa25aa517b925d4f8d1f7ba3475e58fa09c46290658c

      SHA512

      3a448f06862c6d163fd58b68b836d866ae513e04a69774abf5a0c5b7df74f5b9ee37240083760185618c5068bf93e7fd812e76b3e530639111fb1d74f4d28419

      Download Submit

    • memory/348-21-0x0000000000401000-0x000000000040C000-memory.dmp

      Filesize

      44KB

      Download

    • memory/348-8-0x0000000000000000-mapping.dmp

      Download

    • memory/820-15-0x0000000000000000-mapping.dmp

      Download

    • memory/820-22-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1124-12-0x0000000000000000-mapping.dmp

      Download

    • memory/1124-18-0x00000000741E1000-0x00000000741E3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1124-23-0x0000000000090000-0x0000000000098000-memory.dmp

      Filesize

      32KB

      Download

    • memory/1124-24-0x0000000000080000-0x000000000008B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1260-7-0x0000000003670000-0x0000000003686000-memory.dmp

      Filesize

      88KB

      Download

    • memory/1932-6-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/1932-2-0x0000000000B10000-0x0000000000B21000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1932-5-0x0000000000020000-0x000000000002A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/1932-3-0x00000000750C1000-0x00000000750C3000-memory.dmp

      Filesize

      8KB

      Download