Overview

overview

10

Static

static

a6fe288d87...06.exe

windows7_x64

10

a6fe288d87...06.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    07-12-2021 10:36

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General

  • Target

    a6fe288d87226f784eeaca4a4fbe8c06.exe

  • Size

    320KB

  • MD5

    a6fe288d87226f784eeaca4a4fbe8c06

  • SHA1

    3c83d0eea596f0028f9279fa17e444dc33fa250f

  • SHA256

    1b4e1e9586e86d4728bb9396fe757b258ca6d5f36f8b277e7a5aa19c35c88451

  • SHA512

    a505e3d7ff6a6e107819026cbd28183d720a05a5f50601baf0f633c05004774f4a7f58df584384c7c0d503ff9fcd1726d5a0ae4b75ef0092eb1d4cbfddc495ef

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\a6fe288d87226f784eeaca4a4fbe8c06.exe
    "C:\Users\Admin\AppData\Local\Temp\a6fe288d87226f784eeaca4a4fbe8c06.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\a6fe288d87226f784eeaca4a4fbe8c06.exe
      "C:\Users\Admin\AppData\Local\Temp\a6fe288d87226f784eeaca4a4fbe8c06.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:772
  • C:\Users\Admin\AppData\Local\Temp\92CD.exe
    C:\Users\Admin\AppData\Local\Temp\92CD.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\92CD.exe
      C:\Users\Admin\AppData\Local\Temp\92CD.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:824

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\92CD.exe
    MD5

    7f98e524346266f8018ba22eaa6113d1

    SHA1

    e778147c2e2c434ba997e96cd4d76dd4cb84ca42

    SHA256

    d6b47354dff2693d279b357d0901496908922679207ebef447e78160cd45bdf3

    SHA512

    1b1615a9753f8eafdafd9381265ef78e2e7bef3e1f26553ceb8d9c734a0cfbb83eb33ef488d927c53093dfd644ab8ce11203aa2aa69a0384cdafcedff9df4bcd

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\92CD.exe
    MD5

    7f98e524346266f8018ba22eaa6113d1

    SHA1

    e778147c2e2c434ba997e96cd4d76dd4cb84ca42

    SHA256

    d6b47354dff2693d279b357d0901496908922679207ebef447e78160cd45bdf3

    SHA512

    1b1615a9753f8eafdafd9381265ef78e2e7bef3e1f26553ceb8d9c734a0cfbb83eb33ef488d927c53093dfd644ab8ce11203aa2aa69a0384cdafcedff9df4bcd

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\92CD.exe
    MD5

    7f98e524346266f8018ba22eaa6113d1

    SHA1

    e778147c2e2c434ba997e96cd4d76dd4cb84ca42

    SHA256

    d6b47354dff2693d279b357d0901496908922679207ebef447e78160cd45bdf3

    SHA512

    1b1615a9753f8eafdafd9381265ef78e2e7bef3e1f26553ceb8d9c734a0cfbb83eb33ef488d927c53093dfd644ab8ce11203aa2aa69a0384cdafcedff9df4bcd

    Download Submit
  • \Users\Admin\AppData\Local\Temp\92CD.exe
    MD5

    7f98e524346266f8018ba22eaa6113d1

    SHA1

    e778147c2e2c434ba997e96cd4d76dd4cb84ca42

    SHA256

    d6b47354dff2693d279b357d0901496908922679207ebef447e78160cd45bdf3

    SHA512

    1b1615a9753f8eafdafd9381265ef78e2e7bef3e1f26553ceb8d9c734a0cfbb83eb33ef488d927c53093dfd644ab8ce11203aa2aa69a0384cdafcedff9df4bcd

    Download Submit
  • memory/772-58-0x0000000075D01000-0x0000000075D03000-memory.dmp
    Filesize

    8KB

    Download
  • memory/772-57-0x0000000000402F47-mapping.dmp
    Download
  • memory/772-56-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/824-67-0x0000000000402F47-mapping.dmp
    Download
  • memory/1212-60-0x0000000002A20000-0x0000000002A36000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1212-70-0x0000000003CD0000-0x0000000003CE6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1764-61-0x0000000000000000-mapping.dmp
    Download
  • memory/1764-63-0x0000000000668000-0x0000000000679000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1992-59-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1992-55-0x0000000000588000-0x0000000000599000-memory.dmp
    Filesize

    68KB

    Download