Overview

overview

10

Static

static

385d875fe7...c8.exe

windows7_x64

10

385d875fe7...c8.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    07-12-2021 06:02

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General

  • Target

    385d875fe7bb66491b1d7316cae8aec8.exe

  • Size

    321KB

  • MD5

    385d875fe7bb66491b1d7316cae8aec8

  • SHA1

    867ffe1151bd3aa242a84aef9d0155ed7e03a0f2

  • SHA256

    2ede835a0ec280cfd3850b2e75d79b1944697b763218021f0750539a647a8a48

  • SHA512

    014a156655cc9930634d5de7bb21cd6b0cc4cbc537f87a89a03eb96ca5685a70fbf2df72f398ed8ccef25eab40fca928b1c1d90a3f6c99604c1472a5e39b412a

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
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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\385d875fe7bb66491b1d7316cae8aec8.exe
    "C:\Users\Admin\AppData\Local\Temp\385d875fe7bb66491b1d7316cae8aec8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Local\Temp\385d875fe7bb66491b1d7316cae8aec8.exe
      "C:\Users\Admin\AppData\Local\Temp\385d875fe7bb66491b1d7316cae8aec8.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:476
  • C:\Users\Admin\AppData\Local\Temp\980B.exe
    C:\Users\Admin\AppData\Local\Temp\980B.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Users\Admin\AppData\Local\Temp\980B.exe
      C:\Users\Admin\AppData\Local\Temp\980B.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2004

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\Local\Temp\980B.exe
    MD5

    12b586c3078354e4c7ab2a8bca3aa715

    SHA1

    cdabe33a8d9f8a349e149f231aac11010c984690

    SHA256

    323814e21a745aaf2e1c6a4c059498536c76a37f731a99cc4fadb7e30a647095

    SHA512

    b47c254de73c289b6dda3bdd63e5cdc439b140eeb0d0fe7dd7af610a1944545dae79eee9bbf39f229f5156fa0a7cea44d18fca527a237007bc26558d226d7b3f

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\980B.exe
    MD5

    12b586c3078354e4c7ab2a8bca3aa715

    SHA1

    cdabe33a8d9f8a349e149f231aac11010c984690

    SHA256

    323814e21a745aaf2e1c6a4c059498536c76a37f731a99cc4fadb7e30a647095

    SHA512

    b47c254de73c289b6dda3bdd63e5cdc439b140eeb0d0fe7dd7af610a1944545dae79eee9bbf39f229f5156fa0a7cea44d18fca527a237007bc26558d226d7b3f

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\980B.exe
    MD5

    12b586c3078354e4c7ab2a8bca3aa715

    SHA1

    cdabe33a8d9f8a349e149f231aac11010c984690

    SHA256

    323814e21a745aaf2e1c6a4c059498536c76a37f731a99cc4fadb7e30a647095

    SHA512

    b47c254de73c289b6dda3bdd63e5cdc439b140eeb0d0fe7dd7af610a1944545dae79eee9bbf39f229f5156fa0a7cea44d18fca527a237007bc26558d226d7b3f

    Download Submit
  • \Users\Admin\AppData\Local\Temp\980B.exe
    MD5

    12b586c3078354e4c7ab2a8bca3aa715

    SHA1

    cdabe33a8d9f8a349e149f231aac11010c984690

    SHA256

    323814e21a745aaf2e1c6a4c059498536c76a37f731a99cc4fadb7e30a647095

    SHA512

    b47c254de73c289b6dda3bdd63e5cdc439b140eeb0d0fe7dd7af610a1944545dae79eee9bbf39f229f5156fa0a7cea44d18fca527a237007bc26558d226d7b3f

    Download Submit
  • memory/240-61-0x0000000000000000-mapping.dmp
    Download
  • memory/240-63-0x00000000002C8000-0x00000000002D9000-memory.dmp
    Filesize

    68KB

    Download
  • memory/476-58-0x0000000074F01000-0x0000000074F03000-memory.dmp
    Filesize

    8KB

    Download
  • memory/476-57-0x0000000000402F47-mapping.dmp
    Download
  • memory/476-56-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1248-60-0x00000000029D0000-0x00000000029E6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1248-70-0x0000000003AB0000-0x0000000003AC6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1896-59-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1896-55-0x00000000005F8000-0x0000000000609000-memory.dmp
    Filesize

    68KB

    Download
  • memory/2004-67-0x0000000000402F47-mapping.dmp
    Download