Analysis

  • max time kernel
    157s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 13:42

General

  • Target

    e6aab023074dcf5aaef50b082ed9787b5f9a22d91f356d65c1611b0fab7fcbc7.exe

  • Size

    352KB

  • MD5

    bd47c8d154580c006584c167678e80a0

  • SHA1

    874eda0e9a278ca597523e013e802142eab6dc1d

  • SHA256

    e6aab023074dcf5aaef50b082ed9787b5f9a22d91f356d65c1611b0fab7fcbc7

  • SHA512

    d696f94d7b31aedc752b67818a3bce4fc6d1b6752560408a0ad17a34f16ef4140d8b4e3847e7ba1ba29ff024416253b33ed034a56cea1eace4111e6ea1b34a1f

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.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6aab023074dcf5aaef50b082ed9787b5f9a22d91f356d65c1611b0fab7fcbc7.exe
    "C:\Users\Admin\AppData\Local\Temp\e6aab023074dcf5aaef50b082ed9787b5f9a22d91f356d65c1611b0fab7fcbc7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\e6aab023074dcf5aaef50b082ed9787b5f9a22d91f356d65c1611b0fab7fcbc7.exe
      "C:\Users\Admin\AppData\Local\Temp\e6aab023074dcf5aaef50b082ed9787b5f9a22d91f356d65c1611b0fab7fcbc7.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1304

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1304-117-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/1304-118-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/2708-116-0x0000000000570000-0x0000000000579000-memory.dmp
    Filesize

    36KB

  • memory/3040-119-0x0000000000CD0000-0x0000000000CE6000-memory.dmp
    Filesize

    88KB