Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 18:55

General

  • Target

    87ff226077aa2f3db328d217b8a19033_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    87ff226077aa2f3db328d217b8a19033

  • SHA1

    946b7937d9f7742199b59c4024848a695b27c36b

  • SHA256

    d1d65a8a10ee7258e2c0c2d43a8180a0faa56c399c76eecd075d053d565a8ddd

  • SHA512

    0930d4b17d6c2617f5edbdd75974d015b3da27e07d1ef903d7c5fb20366c74394a1450f4f924d6a924d6d622e3c282e84406d0a94c171aaf5eaccf432532a317

  • SSDEEP

    98304:6jPCB2u8y+sPeGrVbh63v7jJiX8gezUs1Vr8kff+IpSYaJEFm6miF58yW4/eqDZQ:ePCBIy+WbrBU35J3Us7rhbprOPSyyGqO

Malware Config

Extracted

Family

cryptbot

C2

nife04.info

Signatures

  • CryptBot

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 5 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 8 IoCs
  • 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
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87ff226077aa2f3db328d217b8a19033_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\87ff226077aa2f3db328d217b8a19033_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Program Files (x86)\Der\Supr\Setup.exe
      "C:\Program Files (x86)\Der\Supr\Setup.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2524
    • C:\Windows\SysWOW64\CScript.exe
      "C:\Windows\system32\CScript.exe" "C:\Program Files (x86)\Der\Supr\Two.vbs" //e:vbscript //B //NOLOGO
      2⤵
      • Blocklisted process makes network request
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Program Files (x86)\Der\Supr\Cdx.exe
      "C:\Program Files (x86)\Der\Supr\Cdx.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Der\Supr\Two.vbs
    Filesize

    126B

    MD5

    c6362e3c5585f24a9e9a2712c00c52ff

    SHA1

    9259b9609313386f004328d2c306820eae01a587

    SHA256

    184ca5b2737175e0828f3546d483778c95e23720f1375deac0090c2fe415e208

    SHA512

    59ac94fdb6f41d6dc5cbea1855897759f35032ac922b936a0b39a21b6aafb0c862c5d419afa31c0b81f106f2ce06b2909cdb5fb713534fbe36202c5a4fedfeaa

  • C:\ProgramData\rEV5UyEgTOX\172773668.txt
    Filesize

    156B

    MD5

    b5089e0c5a3d5377e9bd19c0557ef04e

    SHA1

    9402e326be3d240e234c06892b15c24e93c93eb8

    SHA256

    d77789b2c49759c882f4fdd6f53e665b0d012f8f0949d0150eaba47fbf2a0eb5

    SHA512

    942349ccb99854f274ef1e20b623660588e15bd0d25bfc817fe9b2d010db656af340652e0e67b41edbf0cf259d55ab880d6b50acb1d7e8ab394f1393f7956c13

  • C:\ProgramData\rEV5UyEgTOX\Files\Browsers\_FilePasswords.txt
    Filesize

    3B

    MD5

    ecaa88f7fa0bf610a5a26cf545dcd3aa

    SHA1

    57218c316b6921e2cd61027a2387edc31a2d9471

    SHA256

    f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5

    SHA512

    37c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5

  • C:\ProgramData\rEV5UyEgTOX\Files\_Info.txt
    Filesize

    1KB

    MD5

    eaa17b8c42dd99875190e60bdf11d39d

    SHA1

    2f043bdd235d4fe218c1b7f0eff737b84ade9b5b

    SHA256

    3facaaebc17f25ce669e4f9769ed7f5e74b35c0d0488a199b7e378c45df9b653

    SHA512

    41aee2324e7de5c33fcb6a7d30b49c68da6f5bbc4a43995ab50bf893a78fb82cdc52b5b3c8d513170bffab175d7f7ece7a5658294f62ddc2133db5b14ad2e976

  • C:\ProgramData\rEV5UyEgTOX\qk4bk7JbVZPGS.zip
    Filesize

    47KB

    MD5

    0f7318347c06512d46a26d81d46c40f9

    SHA1

    7c3966a2efa232aacb67adf2dd4a48624a79ad55

    SHA256

    f5c26dd7b836afe40f558668d1b0c30a0bfd01cf796b9f1646c82d1fc5bd5a2d

    SHA512

    dddba5faba08a5e4dff2b58f10fc0284c6f09dc2acd44a99f553f433383147cfe26162414f54c2598140beeb3f9e30c537d7a091f1c8262c522fec73961a5920

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    4ac925c0fc6ae206f27678572ed35fb6

    SHA1

    7bc300bc715a6b29197f3e1e0403ff2054ea10d8

    SHA256

    98f1a191c2a7efee76c56479df9bc468200e216b06b30383b12d95fe6c542d1d

    SHA512

    5acfc011d801af12583c11db74f0aab235ea814f677fb53b936668beb915929695fd44e3f2d5f329ba1fddb0c1a56c56dab243f83cbb726ecf10c8a0efb67e4b

  • C:\Users\Admin\AppData\Local\Temp\CabA279.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarA389.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Program Files (x86)\Der\Supr\Cdx.exe
    Filesize

    2.0MB

    MD5

    4439cc1740e82b9f3fb33530a6e1e8a6

    SHA1

    48e54edeaa74bef978331bd8462a6574e3d0082e

    SHA256

    808df2e63220ea5d4f44e14fc2889aaf5fc4cf4ae4a108483d98b8af731a6996

    SHA512

    2b356b2fe5bd74e6ddaaa26b8e56c1dc0b8b6d96239169c23c4e8648bae8dc786c1ae65278a3a701fc56f5057920ed067c5021b97090935beff1512a7c70324b

  • \Program Files (x86)\Der\Supr\Setup.exe
    Filesize

    2.2MB

    MD5

    85f23b584b90f70c3df7fc98786cef0e

    SHA1

    f79271242dc8332ea8ac3644367b86a1fdb6604c

    SHA256

    dcaae466817bfe1a408ce564c702ccc373eff859b6b134f2b8b5b10142e948d8

    SHA512

    a3d33cedf920e83eb438306821e8243d815c85176c993e6b91fba6c5279c3e0f47f8a868b8f10a80b3f8edf53f6625af566eef22da7a182896ad812e26b58a7d

  • \Users\Admin\AppData\Local\Temp\nso9703.tmp\UAC.dll
    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • \Users\Admin\AppData\Local\Temp\nso9703.tmp\nsExec.dll
    Filesize

    6KB

    MD5

    132e6153717a7f9710dcea4536f364cd

    SHA1

    e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

    SHA256

    d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

    SHA512

    9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

  • memory/1560-265-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-272-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-306-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-244-0x0000000001110000-0x000000000162A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-256-0x0000000001110000-0x000000000162A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-245-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-303-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-258-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-300-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-296-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-293-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-290-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-286-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-266-0x0000000001110000-0x000000000162A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-283-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-279-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-269-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/1560-275-0x0000000000400000-0x000000000091A000-memory.dmp
    Filesize

    5.1MB

  • memory/2524-262-0x0000000001180000-0x00000000016C2000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-260-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-271-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-278-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-268-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-281-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-304-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-284-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-26-0x0000000001180000-0x00000000016C2000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-288-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-257-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-292-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-25-0x0000000001180000-0x00000000016C2000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-295-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-261-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-298-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-274-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2524-301-0x0000000000840000-0x0000000000D82000-memory.dmp
    Filesize

    5.3MB

  • memory/2988-264-0x00000000027D0000-0x0000000002CEA000-memory.dmp
    Filesize

    5.1MB

  • memory/2988-14-0x0000000002750000-0x0000000002C92000-memory.dmp
    Filesize

    5.3MB

  • memory/2988-243-0x00000000027D0000-0x0000000002CEA000-memory.dmp
    Filesize

    5.1MB