Analysis

  • max time kernel
    110s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2023 16:40

General

  • Target

    063adc7edd5785637dff0fe0a606c36b.exe

  • Size

    1.7MB

  • MD5

    063adc7edd5785637dff0fe0a606c36b

  • SHA1

    c2a4fd1c096fbe9cc4347a470355848f597f3af7

  • SHA256

    3ef9b22bb2941ee55af25105b87c675ef1bf6acf8928b339e36e5da08958e852

  • SHA512

    c011c9a11f4dd86ca706a6fae86cc89331b4b6747c29330a79b2c513ac2c5d68dffe0160b8c67e68c4c102002414a7a4675fe2315e3470461fcd889c319b631a

  • SSDEEP

    49152:rFIAvAzZmo08b9N0qmI6pMH6UHP916LSfbqki67bFrp:5IAYzxVb9NR16pMHbHP916aql

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot1932930596:AAGkiZTh1w6VZfvuopWYz6JzBbBOSRI3Ja4/sendMessage?chat_id=1089147415

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\063adc7edd5785637dff0fe0a606c36b.exe
    "C:\Users\Admin\AppData\Local\Temp\063adc7edd5785637dff0fe0a606c36b.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\44\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Roaming\44\Process.txt

    Filesize

    532B

    MD5

    5c014d85da30853f8dc380c1495484e8

    SHA1

    9755cc75080681a6e922bba19424e8339ba1896d

    SHA256

    f7ad580488eb9da5940814738650df3e2dc58f9d0b01b33b22c862d2536402b1

    SHA512

    99ceec1b2a3903def120ef33a6b61e45e91589c9ce6ac661ad7f1705344a14f706f3eb219f761d6efa0464ae1c48737bc0f76cde758fadaaa18cc4bd5c7c5f3a

  • C:\Users\Admin\AppData\Roaming\44\Process.txt

    Filesize

    1KB

    MD5

    febca8af5db31865e55cb480d0c9a424

    SHA1

    463971ee77dac2cc8510487851ec489849e1d4f1

    SHA256

    495fc1fbd0df405c940b0e220095a4966131f837b0214d47249247abefe9f70a

    SHA512

    b5e9f268e85f887c9a0aa6f860bf10fb57d034f94438c90e946382ca80f7b39c94a56927c4cf5079f140a57db629f1d9a844cd2150ce2174fa0b5b614304cff7

  • memory/1396-157-0x0000000006100000-0x0000000006108000-memory.dmp

    Filesize

    32KB

  • memory/1396-132-0x0000000006EF0000-0x0000000006F56000-memory.dmp

    Filesize

    408KB

  • memory/1396-40-0x00000000069C0000-0x0000000006A52000-memory.dmp

    Filesize

    584KB

  • memory/1396-41-0x0000000007010000-0x00000000075B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1396-3-0x0000000005950000-0x0000000005960000-memory.dmp

    Filesize

    64KB

  • memory/1396-0-0x0000000000730000-0x0000000000C12000-memory.dmp

    Filesize

    4.9MB

  • memory/1396-2-0x0000000074750000-0x0000000074F00000-memory.dmp

    Filesize

    7.7MB

  • memory/1396-156-0x00000000060F0000-0x00000000060FA000-memory.dmp

    Filesize

    40KB

  • memory/1396-1-0x0000000000730000-0x0000000000C12000-memory.dmp

    Filesize

    4.9MB

  • memory/1396-158-0x0000000006E90000-0x0000000006EB2000-memory.dmp

    Filesize

    136KB

  • memory/1396-159-0x0000000007940000-0x0000000007C94000-memory.dmp

    Filesize

    3.3MB

  • memory/1396-162-0x0000000000730000-0x0000000000C12000-memory.dmp

    Filesize

    4.9MB

  • memory/1396-163-0x0000000074750000-0x0000000074F00000-memory.dmp

    Filesize

    7.7MB

  • memory/1396-164-0x0000000005950000-0x0000000005960000-memory.dmp

    Filesize

    64KB

  • memory/1396-176-0x0000000000730000-0x0000000000C12000-memory.dmp

    Filesize

    4.9MB

  • memory/1396-177-0x0000000074750000-0x0000000074F00000-memory.dmp

    Filesize

    7.7MB