Overview

overview

10

Static

static

10

2024-12-26...de.exe

windows7-x64

9

2024-12-26...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 09:30

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General

  • Target

    2024-12-26_b9d13927f4fb87f17e14cada3f261f7e_darkside.exe

  • Size

    160KB

  • MD5

    b9d13927f4fb87f17e14cada3f261f7e

  • SHA1

    82131e59a93c91e31de564033506fdc3ea03a602

  • SHA256

    d2b525af7638efe57662b5b9869e4d5286a0711ede249e36e3908ab9d77bed03

  • SHA512

    cb236f7b96aa16be867c4e7b17e7afc21b78ef9b9ede69219b76480b95b3b3cd7b183c412a3ca344cbb53224c821449b980a5713b4632a71962d624a531fe4d6

  • SSDEEP

    3072:IDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368XguJK0RuzIhoOINW:C5d/zugZqll3AdUho

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (166) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-26_b9d13927f4fb87f17e14cada3f261f7e_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-26_b9d13927f4fb87f17e14cada3f261f7e_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\ProgramData\A8E2.tmp
      "C:\ProgramData\A8E2.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A8E2.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3568
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini
    Filesize

    129B

    MD5

    555f1d11bfdce48c03cd0a47dcb07480

    SHA1

    1d0e1fcfccb6133ef25cc3870ab02f5e5da12612

    SHA256

    194049f937a1f1d930f642f7df9f89ad71bf4128658aa574301b2e3b8766f6b0

    SHA512

    b16e0f60c5aa87c3651677fbb59b44f098351ca98881836b8b2781b4b64f0d276bd2f8e30e2dcac73c2517a95de7c9ff7cebaaacb7ec1ffd59ae540dd39eccc3

    Download Submit

  • C:\ProgramData\A8E2.tmp
    Filesize

    14KB

    MD5

    294e9f64cb1642dd89229fff0592856b

    SHA1

    97b148c27f3da29ba7b18d6aee8a0db9102f47c9

    SHA256

    917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

    SHA512

    b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
    Filesize

    160KB

    MD5

    f26136b055fa98d483c381f861ad8cfb

    SHA1

    dba63a6e2305b39aa9c3d9132d18ea144b1f6152

    SHA256

    6caf8e1450bb0ebe045789cad98ec7d0b25c448e516f731fd76db2fa8350716d

    SHA512

    d6b9a90b3e8f1c5a032a53bba99e23b3b717b18431f8cd532aa5f735f06722b5370fc03c2cc7d8731d29dd98abe65bdca8838b06a2e67396fd1fbce2a9c7a1db

    Download Submit

  • C:\Users\usKv553SJ.README.txt
    Filesize

    6KB

    MD5

    c26f6706c9261b61a1e597f12cf00142

    SHA1

    2f2a66ca0a45eb943b774e94e55b9ac9f755d4da

    SHA256

    24ed39d453a0ef3858f0f97eec8a36fd794c1461d5b8a8a6e5ac6d611cabef24

    SHA512

    d2c700ef72f2ccc7ce294c14fa11ec38d6b51ba03ed7d954bde63914fedbb3bb7720263012e5354823ba668f19eafa663d7d4e0989635ea01b50ab1055264b50

    Download Submit

  • F:\$RECYCLE.BIN\S-1-5-21-2878641211-696417878-3864914810-1000\DDDDDDDDDDD
    Filesize

    129B

    MD5

    8034ac7244c0bd66a4089e5d7cbf5e6c

    SHA1

    fa27f3071974e686f0e4cc04045e118ead7359bd

    SHA256

    718b03ae4603b7560fc6598aa2ec7db9567cfbd9fed6059bcd1fab1f2cb33736

    SHA512

    a388c2154137ae083f3944bb01542a67b268c6241c9f2c6254599e45086e1515ce0cdd9f70dbfa56ac903a3d8b9beee7636814775c06331ab32f99f908ad48c0

    Download Submit

  • memory/1344-325-0x000000007FE20000-0x000000007FE21000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1344-323-0x00000000027C0000-0x00000000027D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1344-360-0x000000007FE00000-0x000000007FE01000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1344-359-0x000000007FDE0000-0x000000007FDE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1344-356-0x00000000027C0000-0x00000000027D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1344-326-0x000000007FDC0000-0x000000007FDC1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1344-324-0x00000000027C0000-0x00000000027D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1344-322-0x000000007FE40000-0x000000007FE41000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2336-1-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2336-316-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2336-0-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2336-327-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2336-321-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2336-2-0x0000000002AF0000-0x0000000002B00000-memory.dmp

    Filesize

    64KB

    Download