Overview

overview

10

Static

static

741fd84569...9c.exe

windows7_x64

10

741fd84569...9c.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    27-01-2022 07:49

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General

  • Target

    741fd84569147ff263cdef90566b789c.exe

  • Size

    333KB

  • MD5

    741fd84569147ff263cdef90566b789c

  • SHA1

    e4df3ec61a7a7b71414bbaa9de095df83d6b7c65

  • SHA256

    5935be98b3f029dc6ece644cd1f6b844124f667d96da6ac9c8a1109ba67fb5fc

  • SHA512

    5bc605464707e0bb6276478cbca41a18b015d54f6ec47fca439e2940b7341cb5743df8a372ac6cc9820667a5e9597902df9037a8670d4cd63fa56422f87e3299

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 2 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe
    "C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe
      "C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:752
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {100B09A8-2C70-4376-B2F6-96FC9BD9BAF4} S-1-5-21-3846991908-3261386348-1409841751-1000:VQVVOAJK\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Roaming\iebhhuc
      C:\Users\Admin\AppData\Roaming\iebhhuc
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Users\Admin\AppData\Roaming\iebhhuc
        C:\Users\Admin\AppData\Roaming\iebhhuc
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\iebhhuc
    MD5

    741fd84569147ff263cdef90566b789c

    SHA1

    e4df3ec61a7a7b71414bbaa9de095df83d6b7c65

    SHA256

    5935be98b3f029dc6ece644cd1f6b844124f667d96da6ac9c8a1109ba67fb5fc

    SHA512

    5bc605464707e0bb6276478cbca41a18b015d54f6ec47fca439e2940b7341cb5743df8a372ac6cc9820667a5e9597902df9037a8670d4cd63fa56422f87e3299

    Download Submit
  • C:\Users\Admin\AppData\Roaming\iebhhuc
    MD5

    741fd84569147ff263cdef90566b789c

    SHA1

    e4df3ec61a7a7b71414bbaa9de095df83d6b7c65

    SHA256

    5935be98b3f029dc6ece644cd1f6b844124f667d96da6ac9c8a1109ba67fb5fc

    SHA512

    5bc605464707e0bb6276478cbca41a18b015d54f6ec47fca439e2940b7341cb5743df8a372ac6cc9820667a5e9597902df9037a8670d4cd63fa56422f87e3299

    Download Submit
  • C:\Users\Admin\AppData\Roaming\iebhhuc
    MD5

    741fd84569147ff263cdef90566b789c

    SHA1

    e4df3ec61a7a7b71414bbaa9de095df83d6b7c65

    SHA256

    5935be98b3f029dc6ece644cd1f6b844124f667d96da6ac9c8a1109ba67fb5fc

    SHA512

    5bc605464707e0bb6276478cbca41a18b015d54f6ec47fca439e2940b7341cb5743df8a372ac6cc9820667a5e9597902df9037a8670d4cd63fa56422f87e3299

    Download Submit
  • memory/688-66-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/752-55-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/752-57-0x0000000075531000-0x0000000075533000-memory.dmp
    Filesize

    8KB

    Download
  • memory/752-58-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/756-54-0x0000000000590000-0x00000000005BD000-memory.dmp
    Filesize

    180KB

    Download
  • memory/756-56-0x0000000000220000-0x0000000000229000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1096-62-0x00000000005A0000-0x00000000005CD000-memory.dmp
    Filesize

    180KB

    Download
  • memory/1216-59-0x00000000029E0000-0x00000000029F6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1216-67-0x0000000002A10000-0x0000000002A26000-memory.dmp
    Filesize

    88KB

    Download