Analysis

  • max time kernel
    216s
  • max time network
    248s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 14:46

General

  • Target

    334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe

  • Size

    351KB

  • MD5

    8ae34a1f9bf1d265263eef213ad5ec23

  • SHA1

    4077044932630162ac3d4b707a3355719373edf3

  • SHA256

    334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374

  • SHA512

    d4b27f491f32fe5c676917a1badc481bbe92e73cce327bfa8892c4f34cac5e0563e18afc56289bad9373fec8c14a04546b09c074499477de6e5e4e51dfefec31

  • SSDEEP

    6144:4Yr4dwAfKxihZc0f71tJJnMW2Rqn+jt3Y:4YmwAfPZJXMW34t3Y

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 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 AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe
    "C:\Users\Admin\AppData\Local\Temp\334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4540
  • C:\Users\Admin\AppData\Roaming\wfafsvv
    C:\Users\Admin\AppData\Roaming\wfafsvv
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\wfafsvv

    Filesize

    351KB

    MD5

    8ae34a1f9bf1d265263eef213ad5ec23

    SHA1

    4077044932630162ac3d4b707a3355719373edf3

    SHA256

    334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374

    SHA512

    d4b27f491f32fe5c676917a1badc481bbe92e73cce327bfa8892c4f34cac5e0563e18afc56289bad9373fec8c14a04546b09c074499477de6e5e4e51dfefec31

  • C:\Users\Admin\AppData\Roaming\wfafsvv

    Filesize

    351KB

    MD5

    8ae34a1f9bf1d265263eef213ad5ec23

    SHA1

    4077044932630162ac3d4b707a3355719373edf3

    SHA256

    334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374

    SHA512

    d4b27f491f32fe5c676917a1badc481bbe92e73cce327bfa8892c4f34cac5e0563e18afc56289bad9373fec8c14a04546b09c074499477de6e5e4e51dfefec31

  • memory/440-138-0x0000000000777000-0x000000000078C000-memory.dmp

    Filesize

    84KB

  • memory/440-139-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/440-140-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4540-132-0x00000000005E7000-0x00000000005FC000-memory.dmp

    Filesize

    84KB

  • memory/4540-133-0x0000000000030000-0x0000000000039000-memory.dmp

    Filesize

    36KB

  • memory/4540-134-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4540-135-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB