Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-12-2021 11:59

General

  • Target

    0c85f18e2d5f7d51f3f303e8f9a67fa08d80854ba40681ca0e06702a8ff358fb.exe

  • Size

    2.7MB

  • MD5

    ce471a3dce9d302fc7a9c7f571374566

  • SHA1

    a6fdd38318f1f6b22d7fa385895fa8fe487e11c6

  • SHA256

    0c85f18e2d5f7d51f3f303e8f9a67fa08d80854ba40681ca0e06702a8ff358fb

  • SHA512

    f3f75558e0d4ed78e5e05fe2fa95f6450173a21badbbf16d40f65bfadbdc766b875afec509411afd2436279ad6fca2b81f6284e317888f27037158c2ce2014e0

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\0c85f18e2d5f7d51f3f303e8f9a67fa08d80854ba40681ca0e06702a8ff358fb.exe
    "C:\Users\Admin\AppData\Local\Temp\0c85f18e2d5f7d51f3f303e8f9a67fa08d80854ba40681ca0e06702a8ff358fb.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:2728
    • 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:656
      • 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:4092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\wlBKNgxHaPP & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0c85f18e2d5f7d51f3f303e8f9a67fa08d80854ba40681ca0e06702a8ff358fb.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:664
      • C:\Windows\SysWOW64\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:3144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    493552f374cfac16d6af24077df76b78

    SHA1

    3d741721c1aae12141b5e919bf7dbe6bfea9fe58

    SHA256

    45430bb0dd4e01709fac5aaae2bfa9dfc969fe0fdcb3485fcb8a60dd4e989a60

    SHA512

    8bde93bbde1bc50d865cffb3e52de756ed61fb4d06938106c61b473bb2d5eb7e4375e1b01c9f5eec1cf1b5fe6797373f668f46893491f02868f3f91f7e293428

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

    MD5

    493552f374cfac16d6af24077df76b78

    SHA1

    3d741721c1aae12141b5e919bf7dbe6bfea9fe58

    SHA256

    45430bb0dd4e01709fac5aaae2bfa9dfc969fe0fdcb3485fcb8a60dd4e989a60

    SHA512

    8bde93bbde1bc50d865cffb3e52de756ed61fb4d06938106c61b473bb2d5eb7e4375e1b01c9f5eec1cf1b5fe6797373f668f46893491f02868f3f91f7e293428

  • C:\Users\Admin\AppData\Local\Temp\wlBKNgxHaPP\ABYDBF~1.ZIP

    MD5

    ad0187124406b4ae634bf9ce6b84eed4

    SHA1

    bcdc3fb2949b721ab250cb5e82bf002eab4c0dd0

    SHA256

    eeb3daef138623981c01f1fd84683e9cff4b9764896264a8d9a7a1e15669045e

    SHA512

    a97ac7786db9ecdb99ef8ffab059456194bf2d48bad1b016c23c3278c3bcd5e95b79afc479bdbe9115cc99c18faf163647c4a98d7111344f70ba6f3177a6ac14

  • C:\Users\Admin\AppData\Local\Temp\wlBKNgxHaPP\YPAQYX~1.ZIP

    MD5

    a3f835f337819d0cf7ee9d6a5110bac6

    SHA1

    fc341612cb0da1d2a8b27c476e6a9c4d85267baf

    SHA256

    9a8f8d18c4f12548f0c23b6ecd619ae1a16194430e6ca11bc1570f935b94316e

    SHA512

    c76b5c7c21069a34011db00ebe74cf9befe89994694eb9aa2de52e98ce9ec73f7f698fa9da785127919268f4b161cf7154aa7545145425865db13639d8f379cb

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

    MD5

    09500b419541e759ce53d87e324fe8fc

    SHA1

    4b882732508d2fc28536f8281c3b58777720c7da

    SHA256

    f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

    SHA512

    45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

    MD5

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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

    MD5

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

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

    MD5

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

  • C:\Users\Admin\AppData\Local\Temp\wlBKNgxHaPP\_Files\_Files\UNBLOC~1.TXT

    MD5

    dd35cb7e2e67942520a04866045bf95e

    SHA1

    a0c819dd289959ce96c69e18074a9ea93baf543b

    SHA256

    ca9f13011d3ddcc0bb317686518220fcc9f8207a44da0d1fbdcd9756fb5d0865

    SHA512

    c94bbe28ad15e69a40d293fcab2f12116d27aaad65b6bfbd04951aa1e779c578ad885cf4cd569b2c8e912360f5f8911a492b30f3d47eadc6bd5ddbc134b7c6f9

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

    MD5

    93c2343959d38705549940196002df5f

    SHA1

    0008745bb1766c55ca295f66c8ecd8bc80ef6eac

    SHA256

    b433df321404b020172df2efeea52e5d15b57c174734446441140907dc81f29f

    SHA512

    39027668baeb6c0f521c6edc228cbe37ac292cdd96f76d965692172c04ef7a6916ca31cbff15126a525731828e22b2cd6b488b93e8998f9e1387cead5082346b

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

    MD5

    093e682c98339eba1eb08205dc61d21e

    SHA1

    3694dd02c1c3578cb9115b405cd8711464d3f2e9

    SHA256

    d95a8da03129841b406214367a177587aab246879dba41dea98b7bd7838e9242

    SHA512

    e89667c33af20bf59592b39f2dbb09cd748b57f8feb38e0693fa6b77c17e8d30319b818bc60c7df6fb38f3d4944b920de7ad638d0f874c59427e351731004167

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

    MD5

    093e682c98339eba1eb08205dc61d21e

    SHA1

    3694dd02c1c3578cb9115b405cd8711464d3f2e9

    SHA256

    d95a8da03129841b406214367a177587aab246879dba41dea98b7bd7838e9242

    SHA512

    e89667c33af20bf59592b39f2dbb09cd748b57f8feb38e0693fa6b77c17e8d30319b818bc60c7df6fb38f3d4944b920de7ad638d0f874c59427e351731004167

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

    MD5

    93c2343959d38705549940196002df5f

    SHA1

    0008745bb1766c55ca295f66c8ecd8bc80ef6eac

    SHA256

    b433df321404b020172df2efeea52e5d15b57c174734446441140907dc81f29f

    SHA512

    39027668baeb6c0f521c6edc228cbe37ac292cdd96f76d965692172c04ef7a6916ca31cbff15126a525731828e22b2cd6b488b93e8998f9e1387cead5082346b

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

    MD5

    09500b419541e759ce53d87e324fe8fc

    SHA1

    4b882732508d2fc28536f8281c3b58777720c7da

    SHA256

    f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

    SHA512

    45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

    MD5

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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

    MD5

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

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

    MD5

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

  • C:\Users\Admin\AppData\Local\Temp\wlBKNgxHaPP\files_\files\UNBLOC~1.TXT

    MD5

    dd35cb7e2e67942520a04866045bf95e

    SHA1

    a0c819dd289959ce96c69e18074a9ea93baf543b

    SHA256

    ca9f13011d3ddcc0bb317686518220fcc9f8207a44da0d1fbdcd9756fb5d0865

    SHA512

    c94bbe28ad15e69a40d293fcab2f12116d27aaad65b6bfbd04951aa1e779c578ad885cf4cd569b2c8e912360f5f8911a492b30f3d47eadc6bd5ddbc134b7c6f9

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

    MD5

    493552f374cfac16d6af24077df76b78

    SHA1

    3d741721c1aae12141b5e919bf7dbe6bfea9fe58

    SHA256

    45430bb0dd4e01709fac5aaae2bfa9dfc969fe0fdcb3485fcb8a60dd4e989a60

    SHA512

    8bde93bbde1bc50d865cffb3e52de756ed61fb4d06938106c61b473bb2d5eb7e4375e1b01c9f5eec1cf1b5fe6797373f668f46893491f02868f3f91f7e293428

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

    MD5

    493552f374cfac16d6af24077df76b78

    SHA1

    3d741721c1aae12141b5e919bf7dbe6bfea9fe58

    SHA256

    45430bb0dd4e01709fac5aaae2bfa9dfc969fe0fdcb3485fcb8a60dd4e989a60

    SHA512

    8bde93bbde1bc50d865cffb3e52de756ed61fb4d06938106c61b473bb2d5eb7e4375e1b01c9f5eec1cf1b5fe6797373f668f46893491f02868f3f91f7e293428

  • memory/656-127-0x0000000000BA0000-0x000000000128A000-memory.dmp

    Filesize

    6.9MB

  • memory/656-126-0x0000000000BA0000-0x000000000128A000-memory.dmp

    Filesize

    6.9MB

  • memory/656-136-0x00000000775E0000-0x000000007776E000-memory.dmp

    Filesize

    1.6MB

  • memory/656-125-0x0000000000BA0000-0x000000000128A000-memory.dmp

    Filesize

    6.9MB

  • memory/656-124-0x0000000000BA0000-0x000000000128A000-memory.dmp

    Filesize

    6.9MB

  • memory/656-120-0x0000000000000000-mapping.dmp

  • memory/664-123-0x0000000000000000-mapping.dmp

  • memory/2728-119-0x0000000000DA0000-0x0000000001490000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-117-0x0000000000DA0000-0x0000000001490000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-115-0x0000000000DA0000-0x0000000001490000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-118-0x0000000000DA0000-0x0000000001490000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-116-0x00000000775E0000-0x000000007776E000-memory.dmp

    Filesize

    1.6MB

  • memory/3144-145-0x0000000000000000-mapping.dmp

  • memory/4092-146-0x0000000000000000-mapping.dmp

  • memory/4092-149-0x00000000010F0000-0x00000000017DA000-memory.dmp

    Filesize

    6.9MB

  • memory/4092-150-0x00000000010F0000-0x00000000017DA000-memory.dmp

    Filesize

    6.9MB

  • memory/4092-151-0x00000000010F0000-0x00000000017DA000-memory.dmp

    Filesize

    6.9MB

  • memory/4092-152-0x00000000010F0000-0x00000000017DA000-memory.dmp

    Filesize

    6.9MB

  • memory/4092-153-0x00000000775E0000-0x000000007776E000-memory.dmp

    Filesize

    1.6MB