Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2024 06:47

General

  • Target

    458f99c04cb384590b8ea63bf97c41ac.exe

  • Size

    275KB

  • MD5

    458f99c04cb384590b8ea63bf97c41ac

  • SHA1

    6208b70599f90a744fb3dbc262efbef4d62efd56

  • SHA256

    6b6f8d06fa4a6cf408b0b087bf8351091b3abbbbd5be00d61ca54b2f32ac2f4e

  • SHA512

    117ed8485a04110ea0613a14da61a4324cf71777f5cf886af4137a1bec9a0c5b0851dc054efe772544eb262fb219cf3b4aa181333ae47b68a94ec232e3026ca9

  • SSDEEP

    6144:uC2hc8ZKCInY5L72W+TE800Bk1a+T7uqBSnjzV:chc8ZRIn07cTE80iwa+TgfV

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • 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: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\458f99c04cb384590b8ea63bf97c41ac.exe
    "C:\Users\Admin\AppData\Local\Temp\458f99c04cb384590b8ea63bf97c41ac.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2872
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CC585288-AA03-4488-9DB2-873400EA04D8} S-1-5-21-928733405-3780110381-2966456290-1000:VTILVGXH\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Users\Admin\AppData\Roaming\vegihaf
      C:\Users\Admin\AppData\Roaming\vegihaf
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    136KB

    MD5

    ad5d9327ca4709aecf664e4a4d2e5f97

    SHA1

    b97cb4017acb48d6090d2b4d59c0f2819edae64b

    SHA256

    a1b2ba001f7898a945a56b45e33b74e6c2ab5c7003c9ff70c5953c08fde8cd08

    SHA512

    88c266da93d16988b2bb29c6477c49dd04643b498cb82640c0d4459251092c504647e8823fed03ff6ca6b5667892bcea5690aec6e2a1eae2fac5f81b8086fbeb

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

    Filesize

    212KB

    MD5

    ce51a78c8dcbd0c7fbc91cd37cd7b937

    SHA1

    29f26b397ecf840d09e20dd7b2f6d75316586f99

    SHA256

    319c804b6e37aa3c5b5aa04a0179c23babbb9fa3f685dc198db0e86bee6b87c3

    SHA512

    a51bf9ada5cca5d38fd17e3f179b38fa8b85641dd8f928ac0c8b4a75372dc2442d6cbea4df3c4cc2291c26eb2420a48a518e0907e5f2669d70f664b3ad9d7440

  • memory/864-14-0x0000000002430000-0x0000000002530000-memory.dmp

    Filesize

    1024KB

  • memory/864-15-0x0000000000400000-0x00000000023AF000-memory.dmp

    Filesize

    31.7MB

  • memory/864-17-0x0000000000400000-0x00000000023AF000-memory.dmp

    Filesize

    31.7MB

  • memory/1284-4-0x0000000002A40000-0x0000000002A56000-memory.dmp

    Filesize

    88KB

  • memory/1284-16-0x0000000002A70000-0x0000000002A86000-memory.dmp

    Filesize

    88KB

  • memory/2872-1-0x00000000024C0000-0x00000000025C0000-memory.dmp

    Filesize

    1024KB

  • memory/2872-2-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2872-3-0x0000000000400000-0x00000000023AF000-memory.dmp

    Filesize

    31.7MB

  • memory/2872-5-0x0000000000400000-0x00000000023AF000-memory.dmp

    Filesize

    31.7MB