Analysis

  • max time kernel
    120s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-12-2021 19:44

General

  • Target

    mixshop_20211228-195544.exe

  • Size

    2.6MB

  • MD5

    8b2242c04e274c84a8dc25bcab75158f

  • SHA1

    33d4c61dca4ab2392f23b18ac3188491db586f0f

  • SHA256

    2dfc078c3658a63016fd846cc735c0d5c359b6639cb89ae08ccc9a19fb3e5df3

  • SHA512

    f26bb2f323140ce71dcbc174b298cca7f9803be20322d64b9ccaf254763ae93ca53a7382942c42dc4ca7b7454dc8147a9df8c91962c9200e9d83835a0f5430ab

Malware Config

Extracted

Family

cryptbot

C2

hevzbn22.top

morwce02.top

Attributes
  • payload_url

    http://kyvgns02.top/download.php?file=finjan.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\mixshop_20211228-195544.exe
    "C:\Users\Admin\AppData\Local\Temp\mixshop_20211228-195544.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:752
    • 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:2784
      • 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:3312
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\GOsXJpIrntJst & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\mixshop_20211228-195544.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1184
      • C:\Windows\SysWOW64\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:3136

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

    f1dffa9fa58dab25262df38fef206123

    SHA1

    4f0771b244ed3b106ecb7e42a355dda964d5aebb

    SHA256

    4bb5aa42937187857a805d5405fbb0d82a49dde621e25b9dce74ed644393a471

    SHA512

    369bf66442159d2e5b0b15cc2c9651931d53a4c836ced124029c7ddb250ce208b841acfa4a190d9c5bdc1b69d93af83d47b260fefc6bb8bdd62ea9f9259354f4

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

    f1dffa9fa58dab25262df38fef206123

    SHA1

    4f0771b244ed3b106ecb7e42a355dda964d5aebb

    SHA256

    4bb5aa42937187857a805d5405fbb0d82a49dde621e25b9dce74ed644393a471

    SHA512

    369bf66442159d2e5b0b15cc2c9651931d53a4c836ced124029c7ddb250ce208b841acfa4a190d9c5bdc1b69d93af83d47b260fefc6bb8bdd62ea9f9259354f4

  • C:\Users\Admin\AppData\Local\Temp\GOsXJpIrntJst\QMVVUA~1.ZIP
    MD5

    2b745824edcc4beda1e17c5f82245be7

    SHA1

    88797004188437682b916b61f7a4f215661888c1

    SHA256

    5590759c884c19c76a40da750d26d7c307b0cad935284fccc021b5ba43284263

    SHA512

    61789876a6eab3982018df636d34fe3f0c1a860d789fd91916c65c67c834785beabcb366dd9d4b58900a942472229af3bebd7f7cb84f0031514787bfdab85bc4

  • C:\Users\Admin\AppData\Local\Temp\GOsXJpIrntJst\SPPTOS~1.ZIP
    MD5

    c0bf6352b0d33b0a7e63d2d07f4a8508

    SHA1

    205f31e30220b3c9231b5b68315209786e79c61e

    SHA256

    689b0fef42b8e60581fb818b93cdac2ca60a3b3db7830ac9c3d01688a8d2b13f

    SHA512

    52ea91acad01302e3d1f968decab4d721d8fee04b8c4ef97bcd65eafebcf8f665f730ba6248d0c722eb019dbe29d44ed0e2d4dcb498ac93566b257116937a1e8

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

    09500b419541e759ce53d87e324fe8fc

    SHA1

    4b882732508d2fc28536f8281c3b58777720c7da

    SHA256

    f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

    SHA512

    45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

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

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

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

    7b60cd4f99d229bf897db434575ae4cf

    SHA1

    4c36138462cddfbafbcc0715560a2516dede92c3

    SHA256

    e5f22932e138f53693208a60eafd4c53cc20c076ecc6df25b9c21f3b2d52fac5

    SHA512

    8967b1095d8af9cd67eb58ed3c9929c0b73d22d40ddd6a53a7152ef000fbb3ce131aed911b70065c26261c249891e08c4145178ffa4bf008c24257624f9db9ae

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

    742b48b175ee3bc3aa015d5771c913dd

    SHA1

    9586007bd95c9cf515b83b6670e512485a48b3e9

    SHA256

    3d5eca346af837f9319b7e038e1445066278dca52f19565c60b551d50dc90d7d

    SHA512

    9cbb7eac8f26f512bf7d56d07b3157ff715762a69986e1114389c8488bff6d26e25ab933db4612be6341cb9180c9325b877d136c951ac2a86c5024833d1fbf1f

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

    742b48b175ee3bc3aa015d5771c913dd

    SHA1

    9586007bd95c9cf515b83b6670e512485a48b3e9

    SHA256

    3d5eca346af837f9319b7e038e1445066278dca52f19565c60b551d50dc90d7d

    SHA512

    9cbb7eac8f26f512bf7d56d07b3157ff715762a69986e1114389c8488bff6d26e25ab933db4612be6341cb9180c9325b877d136c951ac2a86c5024833d1fbf1f

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

    7b60cd4f99d229bf897db434575ae4cf

    SHA1

    4c36138462cddfbafbcc0715560a2516dede92c3

    SHA256

    e5f22932e138f53693208a60eafd4c53cc20c076ecc6df25b9c21f3b2d52fac5

    SHA512

    8967b1095d8af9cd67eb58ed3c9929c0b73d22d40ddd6a53a7152ef000fbb3ce131aed911b70065c26261c249891e08c4145178ffa4bf008c24257624f9db9ae

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

    09500b419541e759ce53d87e324fe8fc

    SHA1

    4b882732508d2fc28536f8281c3b58777720c7da

    SHA256

    f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

    SHA512

    45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

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

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

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

    f1dffa9fa58dab25262df38fef206123

    SHA1

    4f0771b244ed3b106ecb7e42a355dda964d5aebb

    SHA256

    4bb5aa42937187857a805d5405fbb0d82a49dde621e25b9dce74ed644393a471

    SHA512

    369bf66442159d2e5b0b15cc2c9651931d53a4c836ced124029c7ddb250ce208b841acfa4a190d9c5bdc1b69d93af83d47b260fefc6bb8bdd62ea9f9259354f4

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

    f1dffa9fa58dab25262df38fef206123

    SHA1

    4f0771b244ed3b106ecb7e42a355dda964d5aebb

    SHA256

    4bb5aa42937187857a805d5405fbb0d82a49dde621e25b9dce74ed644393a471

    SHA512

    369bf66442159d2e5b0b15cc2c9651931d53a4c836ced124029c7ddb250ce208b841acfa4a190d9c5bdc1b69d93af83d47b260fefc6bb8bdd62ea9f9259354f4

  • memory/752-117-0x0000000000A60000-0x0000000001146000-memory.dmp
    Filesize

    6.9MB

  • memory/752-116-0x0000000000A60000-0x0000000001146000-memory.dmp
    Filesize

    6.9MB

  • memory/752-115-0x0000000077CF0000-0x0000000077E7E000-memory.dmp
    Filesize

    1.6MB

  • memory/752-118-0x0000000000A60000-0x0000000001146000-memory.dmp
    Filesize

    6.9MB

  • memory/752-119-0x0000000000A60000-0x0000000001146000-memory.dmp
    Filesize

    6.9MB

  • memory/1184-123-0x0000000000000000-mapping.dmp
  • memory/2784-130-0x0000000000150000-0x00000000008B0000-memory.dmp
    Filesize

    7.4MB

  • memory/2784-139-0x0000000000150000-0x00000000008B0000-memory.dmp
    Filesize

    7.4MB

  • memory/2784-140-0x0000000000150000-0x00000000008B0000-memory.dmp
    Filesize

    7.4MB

  • memory/2784-137-0x0000000000150000-0x00000000008B0000-memory.dmp
    Filesize

    7.4MB

  • memory/2784-120-0x0000000000000000-mapping.dmp
  • memory/2784-138-0x0000000077CF0000-0x0000000077E7E000-memory.dmp
    Filesize

    1.6MB

  • memory/3136-143-0x0000000000000000-mapping.dmp
  • memory/3312-144-0x0000000000000000-mapping.dmp
  • memory/3312-147-0x0000000000200000-0x0000000000960000-memory.dmp
    Filesize

    7.4MB

  • memory/3312-148-0x0000000000200000-0x0000000000960000-memory.dmp
    Filesize

    7.4MB

  • memory/3312-149-0x0000000000200000-0x0000000000960000-memory.dmp
    Filesize

    7.4MB

  • memory/3312-150-0x0000000000200000-0x0000000000960000-memory.dmp
    Filesize

    7.4MB

  • memory/3312-151-0x0000000077CF0000-0x0000000077E7E000-memory.dmp
    Filesize

    1.6MB