Overview

overview

10

Static

static

10

25959cfe46...e0.exe

windows7_x64

10

25959cfe46...e0.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05-03-2021 17:05

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General

  • Target

    25959cfe4619126ab554d3111b875218f1dbfadd79eed1ed0f6a8c1900fa36e0.exe

  • Size

    308KB

  • MD5

    c067e0a2d7fc6092bb77abc7f7156b60

  • SHA1

    52f68073caec0fd424c7cbaaed5f5221d7103d20

  • SHA256

    25959cfe4619126ab554d3111b875218f1dbfadd79eed1ed0f6a8c1900fa36e0

  • SHA512

    685145c679413f82101c328ce4264c5f84d0347db1c5170e16d8a459b9ad12a87bf5e718e049e5c9c639e22197ee26d4aa33fac8c133b9d86772dfe1a8068dfc

Score
10/10
netwalkersmokeloaderbackdoorcryptonepackerransomwaretrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://pukupoko.top/

http://halyavapridi.top/

http://holofrew.me/
rc4.i32
rc4.i32

Signatures

  • Detected Netwalker Ransomware 2 IoCs

    Detected unpacked Netwalker executable.

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • CryptOne packer 2 IoCs

    Detects CryptOne packer defined in NCC blogpost.

    cryptonepacker
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25959cfe4619126ab554d3111b875218f1dbfadd79eed1ed0f6a8c1900fa36e0.exe
    "C:\Users\Admin\AppData\Local\Temp\25959cfe4619126ab554d3111b875218f1dbfadd79eed1ed0f6a8c1900fa36e0.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:740
  • C:\Users\Admin\AppData\Roaming\jgcttjj
    C:\Users\Admin\AppData\Roaming\jgcttjj
    1⤵
    • Executes dropped EXE
    PID:2588

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\7046.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

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

    c067e0a2d7fc6092bb77abc7f7156b60

    SHA1

    52f68073caec0fd424c7cbaaed5f5221d7103d20

    SHA256

    25959cfe4619126ab554d3111b875218f1dbfadd79eed1ed0f6a8c1900fa36e0

    SHA512

    685145c679413f82101c328ce4264c5f84d0347db1c5170e16d8a459b9ad12a87bf5e718e049e5c9c639e22197ee26d4aa33fac8c133b9d86772dfe1a8068dfc

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

    c067e0a2d7fc6092bb77abc7f7156b60

    SHA1

    52f68073caec0fd424c7cbaaed5f5221d7103d20

    SHA256

    25959cfe4619126ab554d3111b875218f1dbfadd79eed1ed0f6a8c1900fa36e0

    SHA512

    685145c679413f82101c328ce4264c5f84d0347db1c5170e16d8a459b9ad12a87bf5e718e049e5c9c639e22197ee26d4aa33fac8c133b9d86772dfe1a8068dfc

    Download Submit
  • \Users\Admin\AppData\Local\Temp\7046.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

    Download Submit
  • memory/740-4-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/740-3-0x00000000005E0000-0x0000000000606000-memory.dmp
    Filesize

    152KB

    Download
  • memory/3016-5-0x00000000005F0000-0x0000000000606000-memory.dmp
    Filesize

    88KB

    Download