Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 13:28

General

  • Target

    SUNNY (1).exe

  • Size

    570KB

  • MD5

    bab905e6355fb5494cc78bf0c07e860e

  • SHA1

    b80b9c2e9b1456a21604d2521fe14735c578288f

  • SHA256

    e754eab189a74ac7cbd51694643beeb94a9f8ae2da1f20967dce58ac6884cfce

  • SHA512

    14cc8d341e2037c375333c619be1dc3ad8eb8cda0f7d80f3ea6e1f15786a62d4d98d436dcb67acd1f65aef8ace00c9eeeedb5770b292ac39276459fdd960c67b

  • SSDEEP

    6144:BFOCkq/GipgCdGyyCPoL/fdRoY66xK5h3ndHleysfifx9L0nrzQ7JkgxKAxMklCw:6MyC2NyYzYFndFem50nQyLfDgP

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe
    "C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe
      "C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SUNNY (1).exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1028-10-0x0000000009EE0000-0x0000000009F7C000-memory.dmp

    Filesize

    624KB

  • memory/1028-15-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1028-9-0x00000000062A0000-0x0000000006302000-memory.dmp

    Filesize

    392KB

  • memory/1028-4-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1028-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

    Filesize

    40KB

  • memory/1028-6-0x0000000005160000-0x0000000005172000-memory.dmp

    Filesize

    72KB

  • memory/1028-7-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/1028-8-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1028-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

    Filesize

    584KB

  • memory/1028-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/1028-1-0x00000000003B0000-0x0000000000444000-memory.dmp

    Filesize

    592KB

  • memory/1028-2-0x0000000005490000-0x0000000005A34000-memory.dmp

    Filesize

    5.6MB

  • memory/1596-14-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-11-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1596-16-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-17-0x0000000006280000-0x00000000062D0000-memory.dmp

    Filesize

    320KB

  • memory/1596-18-0x00000000065A0000-0x0000000006762000-memory.dmp

    Filesize

    1.8MB

  • memory/1596-19-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-20-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB