Analysis

  • max time kernel
    79s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-12-2021 05:33

General

  • Target

    2eab6eeca8ee894e70353f47e930c15fdbd599ae99357b17c2a412d60ecf4d98.exe

  • Size

    2.6MB

  • MD5

    bd532d1e7f14ff577daa3a21557eeb31

  • SHA1

    569003082bf7c286e8e6441eb93fb36c431b2364

  • SHA256

    2eab6eeca8ee894e70353f47e930c15fdbd599ae99357b17c2a412d60ecf4d98

  • SHA512

    60edfba907820ceb5eddf7369a2bad45fdf86a651b0851fad4bbcac9087fa5f9c38173c27b48f49caebd6339a95a49a3eade8fca1b47f449c05447cb4c3601fe

Malware Config

Extracted

Family

cryptbot

C2

hevtal42.top

morosf04.top

Attributes
  • payload_url

    http://kyrgvz05.top/download.php?file=kulmet.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 16 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2eab6eeca8ee894e70353f47e930c15fdbd599ae99357b17c2a412d60ecf4d98.exe
    "C:\Users\Admin\AppData\Local\Temp\2eab6eeca8ee894e70353f47e930c15fdbd599ae99357b17c2a412d60ecf4d98.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\File.exe
      "C:\Users\Admin\AppData\Local\Temp\File.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
        "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        PID:4244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2eab6eeca8ee894e70353f47e930c15fdbd599ae99357b17c2a412d60ecf4d98.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Windows\SysWOW64\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:4368

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\File.exe
    MD5

    af30134001f717575cc93f10ed760f4a

    SHA1

    79fbb34520c8658dfca24c567fb3a7feaacaa2f4

    SHA256

    4cb14310032646aa12ba1aa543190f247b2024e9d7ba9d9a50b2cd54eb2dcf94

    SHA512

    970d29494a49b6ba470f51f5f2aaae88164e845adaa8cd2c909780c72a9282ccbfe46b4d053505ec95df1c9cee83da6ddb0bb1bca9d164bf72e8ace9e7d54f23

  • C:\Users\Admin\AppData\Local\Temp\File.exe
    MD5

    af30134001f717575cc93f10ed760f4a

    SHA1

    79fbb34520c8658dfca24c567fb3a7feaacaa2f4

    SHA256

    4cb14310032646aa12ba1aa543190f247b2024e9d7ba9d9a50b2cd54eb2dcf94

    SHA512

    970d29494a49b6ba470f51f5f2aaae88164e845adaa8cd2c909780c72a9282ccbfe46b4d053505ec95df1c9cee83da6ddb0bb1bca9d164bf72e8ace9e7d54f23

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\AAVAJU~1.ZIP
    MD5

    e29be1c46e69446fe996cc11f7e373f0

    SHA1

    5b8ddb82a6f41d3b7b0ea64781e62ef72d067480

    SHA256

    a4630530450fab125c18bc8fb65352ea5a7ccfbdb8415b41151b51f41c9f8916

    SHA512

    42243884643f7f1d37d4d8cc5844139805163d2d7e5f179f1e06276d7a1d245a1fe230a6f784ac0a93d33466770ec0240c4f095a6afde71d97d39dfa6600bccf

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\CYZNRL~1.ZIP
    MD5

    f5cd8bc8703fc9f0428de5bfb66c195d

    SHA1

    1ab5e7d5ccb119db9510fafa958c0db798312cb4

    SHA256

    a0fed0caca3fcf8527dd604279c85b8c9c0b82a50a19a1b61db1a1206700f36d

    SHA512

    456c4fff9526c733ec7a9e1114bc4a9c25e68771c41d34426fe445ed445296577fb016bb9b9a9ed310f72ad9a4290a9cfc194498a7836fd2d7f50f675ae8000b

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\_Files\_Chrome\DEFAUL~1.BIN
    MD5

    f4b8e6e7ca32ed5ab1653cc327475cc0

    SHA1

    e7c30740b8cc28534d398ff4036e0cc6649619ce

    SHA256

    34abcff7dd7e3157dc78b58d9fc7ce57be556a550bcc6a2b2257c9b08107cbe2

    SHA512

    edc72a374b28b984d8d3ced5a27ddb1a91e843ab873f7b700eecea87c0dfea961359f7931ea127ee2b8edc2602968795c6b9f121622dffca23241736c44d8ae2

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\_Files\_Chrome\DEFAUL~1.DB
    MD5

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\_Files\_Chrome\DEFAUL~2.DB
    MD5

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\_Files\_Chrome\DEFAUL~3.DB
    MD5

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\_Files\_INFOR~1.TXT
    MD5

    0d4cfc563d0ca2e68469ec5ec24d649f

    SHA1

    68499ec5172bcfcb233eec4dc4ee68adbe25239c

    SHA256

    76fd9cda0364b5b7c885e7d4f3efc8b950ad046ade50012822c56177bf77c7ba

    SHA512

    2d518d32ed2e36959b172d049a4d43a0de500425d33aceed5d60163b3cad466a83cf07f3a8096b46d120ccd81bc7e001b537742cf425b1d90c95c56eda021afa

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\_Files\_SCREE~1.JPE
    MD5

    69bb3d3cd2f17f8d9cc43a9264992137

    SHA1

    9662ae886924b1171cc49cf1c188b5560e4a349c

    SHA256

    bea7c126c8052009c8c8da26c897aff4bfcbbdb349ebb7a8fc7b5661c2a5cda5

    SHA512

    3939029ba472f3a9a3fff056e0e3f9e689ecb67e56a9559f4d925a8da7a8ae23fad51acd524b2f18a4575ccf4659cd4e64a3576be6cd7664961183538ee8c80d

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\files_\SCREEN~1.JPG
    MD5

    69bb3d3cd2f17f8d9cc43a9264992137

    SHA1

    9662ae886924b1171cc49cf1c188b5560e4a349c

    SHA256

    bea7c126c8052009c8c8da26c897aff4bfcbbdb349ebb7a8fc7b5661c2a5cda5

    SHA512

    3939029ba472f3a9a3fff056e0e3f9e689ecb67e56a9559f4d925a8da7a8ae23fad51acd524b2f18a4575ccf4659cd4e64a3576be6cd7664961183538ee8c80d

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\files_\SYSTEM~1.TXT
    MD5

    0d4cfc563d0ca2e68469ec5ec24d649f

    SHA1

    68499ec5172bcfcb233eec4dc4ee68adbe25239c

    SHA256

    76fd9cda0364b5b7c885e7d4f3efc8b950ad046ade50012822c56177bf77c7ba

    SHA512

    2d518d32ed2e36959b172d049a4d43a0de500425d33aceed5d60163b3cad466a83cf07f3a8096b46d120ccd81bc7e001b537742cf425b1d90c95c56eda021afa

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\files_\_Chrome\DEFAUL~1.BIN
    MD5

    f4b8e6e7ca32ed5ab1653cc327475cc0

    SHA1

    e7c30740b8cc28534d398ff4036e0cc6649619ce

    SHA256

    34abcff7dd7e3157dc78b58d9fc7ce57be556a550bcc6a2b2257c9b08107cbe2

    SHA512

    edc72a374b28b984d8d3ced5a27ddb1a91e843ab873f7b700eecea87c0dfea961359f7931ea127ee2b8edc2602968795c6b9f121622dffca23241736c44d8ae2

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\files_\_Chrome\DEFAUL~1.DB
    MD5

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\files_\_Chrome\DEFAUL~2.DB
    MD5

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

  • C:\Users\Admin\AppData\Local\Temp\VsnEhaphllk\files_\_Chrome\DEFAUL~3.DB
    MD5

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    af30134001f717575cc93f10ed760f4a

    SHA1

    79fbb34520c8658dfca24c567fb3a7feaacaa2f4

    SHA256

    4cb14310032646aa12ba1aa543190f247b2024e9d7ba9d9a50b2cd54eb2dcf94

    SHA512

    970d29494a49b6ba470f51f5f2aaae88164e845adaa8cd2c909780c72a9282ccbfe46b4d053505ec95df1c9cee83da6ddb0bb1bca9d164bf72e8ace9e7d54f23

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    af30134001f717575cc93f10ed760f4a

    SHA1

    79fbb34520c8658dfca24c567fb3a7feaacaa2f4

    SHA256

    4cb14310032646aa12ba1aa543190f247b2024e9d7ba9d9a50b2cd54eb2dcf94

    SHA512

    970d29494a49b6ba470f51f5f2aaae88164e845adaa8cd2c909780c72a9282ccbfe46b4d053505ec95df1c9cee83da6ddb0bb1bca9d164bf72e8ace9e7d54f23

  • memory/8-139-0x0000000000830000-0x0000000000F87000-memory.dmp
    Filesize

    7.3MB

  • memory/8-140-0x0000000000830000-0x0000000000F87000-memory.dmp
    Filesize

    7.3MB

  • memory/8-143-0x0000000000830000-0x0000000000F87000-memory.dmp
    Filesize

    7.3MB

  • memory/8-142-0x0000000000830000-0x0000000000F87000-memory.dmp
    Filesize

    7.3MB

  • memory/8-141-0x0000000077000000-0x000000007718E000-memory.dmp
    Filesize

    1.6MB

  • memory/8-120-0x0000000000000000-mapping.dmp
  • memory/3444-117-0x0000000001110000-0x00000000017F5000-memory.dmp
    Filesize

    6.9MB

  • memory/3444-116-0x0000000001110000-0x00000000017F5000-memory.dmp
    Filesize

    6.9MB

  • memory/3444-118-0x0000000001110000-0x00000000017F5000-memory.dmp
    Filesize

    6.9MB

  • memory/3444-119-0x0000000077000000-0x000000007718E000-memory.dmp
    Filesize

    1.6MB

  • memory/3444-115-0x0000000001110000-0x00000000017F5000-memory.dmp
    Filesize

    6.9MB

  • memory/3976-123-0x0000000000000000-mapping.dmp
  • memory/4244-144-0x0000000000000000-mapping.dmp
  • memory/4244-147-0x0000000000B20000-0x0000000001277000-memory.dmp
    Filesize

    7.3MB

  • memory/4244-148-0x0000000000B20000-0x0000000001277000-memory.dmp
    Filesize

    7.3MB

  • memory/4244-149-0x0000000000B20000-0x0000000001277000-memory.dmp
    Filesize

    7.3MB

  • memory/4244-150-0x0000000000B20000-0x0000000001277000-memory.dmp
    Filesize

    7.3MB

  • memory/4244-151-0x0000000077000000-0x000000007718E000-memory.dmp
    Filesize

    1.6MB

  • memory/4368-138-0x0000000000000000-mapping.dmp