Analysis

  • max time kernel
    104s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 04:52

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 11 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:4444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

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

    Filesize

    1KB

    MD5

    231087ad3cf4416b6c9707cc434da3a1

    SHA1

    df2000dedffe7444389b03be825aad8664c518f7

    SHA256

    5bae7a4d27c89bf9665faeeb509d5e1bf3518131039b8165ddd27101b664baf6

    SHA512

    acc571139d1d7f0017e3e93e1c68645169e1271ea90d61bb7654ec42888aa9d1654337b612b13087e68442be03e73b1a5a085d24a32bb55a98bbc2bc94c9fd4d

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

    Filesize

    473B

    MD5

    96ab8f988ac35d6361b544016699f54d

    SHA1

    d77a7f2d19ead4a5786dc70779594968a3877c18

    SHA256

    458af71ebcaedbb4dccae8c1eede1d40a335ed7fbba6a4e0a0ae99ef575d3ac3

    SHA512

    0190d1590e71c2a1f29152e4f7c68ad16090585b95ea94050fcc3692ba3eed512542d52c24f2da057d3490fb51449240494f29e770aa2145588872378d00d795

  • memory/4444-132-0x0000000006B60000-0x0000000006BC6000-memory.dmp

    Filesize

    408KB

  • memory/4444-157-0x00000000061B0000-0x00000000061B8000-memory.dmp

    Filesize

    32KB

  • memory/4444-40-0x00000000066A0000-0x0000000006732000-memory.dmp

    Filesize

    584KB

  • memory/4444-41-0x0000000006CF0000-0x0000000007294000-memory.dmp

    Filesize

    5.6MB

  • memory/4444-1-0x0000000000110000-0x00000000005F2000-memory.dmp

    Filesize

    4.9MB

  • memory/4444-0-0x0000000000110000-0x00000000005F2000-memory.dmp

    Filesize

    4.9MB

  • memory/4444-2-0x0000000073EF0000-0x00000000746A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4444-3-0x00000000057B0000-0x00000000057C0000-memory.dmp

    Filesize

    64KB

  • memory/4444-158-0x0000000007650000-0x0000000007672000-memory.dmp

    Filesize

    136KB

  • memory/4444-156-0x00000000061A0000-0x00000000061AA000-memory.dmp

    Filesize

    40KB

  • memory/4444-159-0x0000000007680000-0x00000000079D4000-memory.dmp

    Filesize

    3.3MB

  • memory/4444-161-0x0000000000110000-0x00000000005F2000-memory.dmp

    Filesize

    4.9MB

  • memory/4444-163-0x0000000073EF0000-0x00000000746A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4444-175-0x0000000000110000-0x00000000005F2000-memory.dmp

    Filesize

    4.9MB

  • memory/4444-176-0x0000000073EF0000-0x00000000746A0000-memory.dmp

    Filesize

    7.7MB