Analysis

  • max time kernel
    46s
  • max time network
    54s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240418-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240418-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    28-04-2024 18:23

General

  • Target

    totally real crack.elf

  • Size

    2.2MB

  • MD5

    c41d9625ccd175647ffa10484ab2556d

  • SHA1

    77d7614156607b68265b122fb35a1d408625cb96

  • SHA256

    6a0449a0b92dc1b17da219492487de824e86a25284f21e6e3af056fe3f4c4ec0

  • SHA512

    7036bbdd7079b560abcfe3aac1b5951571c318708d48fea340e82185e351c3853091900b31ef0d790ca3309943318620e00f9567440693e89a259b56fc09c9b2

  • SSDEEP

    49152:kOAAzrb/TYvO90dL3BmAFd4A64nsfJiTZxwuXf9nTCqw0Xfgg778laMex5D1:k1Dw+b3+

Malware Config

Extracted

Path

/4oEi_HOW_TO_DECRYPT.txt

Family

hive

Ransom Note
Your network has been breached and all data were encrypted. Personal data, financial reports and important documents are ready to disclose. To decrypt all the data and to prevent exfiltrated files to be disclosed at http://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/ you will need to purchase our decryption software. Please contact our sales department at: http://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/ Login: xUvZHAXDfpoW Password: xvsX47VFucuDKUw4i77C To get an access to .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) Follow the guidelines below to avoid losing your data: - Do not modify, rename or delete *.key.21k5p files. Your data will be undecryptable. - Do not modify or rename encrypted files. You will lose them. - Do not report to the Police, FBI, etc. They don't care about your business. They simply won't allow you to pay. As a result you will lose everything. - Do not hire a recovery company. They can't decrypt without the key. They also don't care about your business. They believe that they are good negotiators, but it is not. They usually fail. So speak for yourself. - Do not reject to purchase. Exfiltrated files will be publicly disclosed.
URLs

http://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/

http://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/

Signatures

  • Hive

    A ransomware written in Golang first seen in June 2021.

  • Deletes itself 1 IoCs
  • Deletes journal logs 1 TTPs 1 IoCs

    Deletes systemd journal logs. Likely to evade detection.

  • Creates/modifies Cron job 1 TTPs 2 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • Deletes log files 1 TTPs 7 IoCs

    Deletes log files on the system.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads hardware information 1 TTPs 1 IoCs

    Accesses system info like serial numbers, manufacturer names etc.

  • Reads network interface configuration 2 TTPs 12 IoCs

    Fetches information about one or more active network interfaces.

  • Reads CPU attributes 1 TTPs 15 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 64 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to shm directory 1 IoCs

    Malware can drop malicious files in the shm directory which will run directly from RAM.

  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/totally real crack.elf
    "/tmp/totally real crack.elf"
    1⤵
    • Deletes itself
    • Deletes journal logs
    • Creates/modifies Cron job
    • Deletes log files
    • Reads hardware information
    • Reads network interface configuration
    • Reads CPU attributes
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    • Writes file to shm directory
    • Writes file to tmp directory
    PID:1493

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /4oEi_HOW_TO_DECRYPT.txt

    Filesize

    1KB

    MD5

    9932bbfea02ad4bb0c43b36fddd98a7a

    SHA1

    1faee3c9dbb5f005769c8123387b45cf545cac89

    SHA256

    13f91b1c2c02259660f4d83dd7383b5bbc4f04be98331fbbcf92f1e56f8557a4

    SHA512

    cad236319f2bc80d4223aca681e1adc446ae72dd46530e00aa9887c331b94ac95c9b23c55c3d98c4615cb05da689d68006d75c3f0d213c6f9303ee04f2d4f7ab

  • /boot/efi/temp1.swap.21k5p

    Filesize

    214.0MB

    MD5

    d2c99d2eb559d28fb7c719ade4e883c3

    SHA1

    72d0aa43d58749acdc88e7ec0cf98d8f4847dae1

    SHA256

    1061136f7281ab297cbfc014ec72936f3157737ad08b4ecc4d36aa0a01aff034

    SHA512

    a0fa359ee9850c9d967d4077d34e788b10598fbbdfba45ddac07307d0accff0908afc1d857faf0eafeead7c6c8c072c6471f7126c05db3645c6f16941aa19d2d

  • /dev/shm/temp1.swap.21k5p

    Filesize

    823.0MB

    MD5

    e7546508530ea19aa137218f2f547506

    SHA1

    ecdc4bb58d17f279f61c1a98a5e63ffa2fae7759

    SHA256

    eb4d449901500c0dada9bc404d5027ba07c14f8af620bc84ec72bf14d0b93ce9

    SHA512

    57cd86888948cf1f194ea16662ec7d6596854f4646a61685421ee27d67e897dd6b1b1d72a3ed1eb53276119666d29e3e3f7d380f0d0ca3840ea8262721e905ed

  • /etc/motd

    Filesize

    1KB

    MD5

    ff20e9231f075f2da48939e1404433e6

    SHA1

    b6b095abd7636ff094dc9560ae19b4902268ffb3

    SHA256

    60195e714782a8b8ab7dab911f6f855ab9160776dca1dbc04c18c045768dbd97

    SHA512

    e5576b08a067daa56778b614a3c58d0af923c4e4888c512daa456182c3e1c5f65aaa90dbf43d79752394d9cfc5d968f6a0b80a54517a0c468be5aabd38c282cd

  • /rR294BDesdwSBxyU8dypiAQIl8uvZPUKYI-xaFswn1f_.key.21k5p

    Filesize

    1.1MB

    MD5

    e48f4cfdfd652ca5e2648e47d4f55d9b

    SHA1

    6b7143390280586e393b115ef789243be46f5219

    SHA256

    c2e63ee33852001b79bd011b2847f2b8b98216155cc2e91caa189d467720b9db

    SHA512

    64cc3e520fbcafcf4fa8522e5a76d68c1d9541cd76f7e8b6d577457e25cb14d7e443866ce037ed7b3ca3bbad6b6bd333ee65e6e62ee04e1acd4eb8df0189eead

  • /run/temp1.swap.21k5p

    Filesize

    71.0MB

    MD5

    f9836024c63d582b2499a9ab4f6ae056

    SHA1

    50f9241c9ddd3047e2891dc899043cd0c45f361d

    SHA256

    beec79fa6f41a71670483e87bc11e04a23d4b02bfc9e74dc195c7747ea72fb4e

    SHA512

    4d45f5bcd705a81020fe517586a840c9b93414c11eb9df8adb48ae1aa88362998a7847e341a34c655b425a9e52a3358013f25663562562a73f4a018ec0a8fcbc

  • /run/user/0/temp1.swap.21k5p

    Filesize

    190.0MB

    MD5

    dff2fa2dfbd6a37bccb40635ef91075c

    SHA1

    cc7ec652f5213d7185fdbe46209beb2a40d4b11c

    SHA256

    03771cfde56d139453d041a10ee17096c5cd48cfd4879564d51a2164f3fff23f

    SHA512

    8b2bb0722ccb44a9ca065bf52999160dbdc27c8e8343b49a532120e84da7852ad7f736beb1baf33683156b3c18cc84869503396c45050a3699f0e515bdff1852

  • /run/user/126/temp1.swap.21k5p

    Filesize

    32.0MB

    MD5

    8425cc90fb2d6a5c6a5a6362bed8aa12

    SHA1

    90a92a6292a110d0ec58e7f99825c981c4d9aa0b

    SHA256

    ce3d51112a7bf83468754ff749c2e4c99ee39ad665c5bc0a6c987cc33701bf86

    SHA512

    c5a10024c3efc9bd478165e96bad0960d7518b7a51f0a8e9acc8fef196ddfee2800a60c11705288b27be64651906e2ff6a16b9286fe777a5f29716a6a9e854e5

  • /temp1.swap.21k5p

    Filesize

    723.0MB

    MD5

    2f1aa3392e82abc8117224c3930e7184

    SHA1

    bf5ae65f16faf1483d74f9209cf12c9f08effa37

    SHA256

    031632339313362ed552ecb984edc6981619d0eb1f05fcd298b79d0a762a6d30

    SHA512

    f6ed541b4433fe6856f4f0b84d134494367c3d040b3806ce4c0b7f196944eeabaaf55eab1dff80e5f523b2ac2928962900a90cce8cbc0fd7587afeb8976e61fe

  • /temp10.swap.21k5p

    Filesize

    131.0MB

    MD5

    5a0a74c4a2b6a215cf882756b02d1846

    SHA1

    c167e5854cc900e5c1243d30f623d94e34af9942

    SHA256

    73df8ddc39b654e9f43221256e8a8178eec3a8dfc7dd3c05bd42813f2bda0ec7

    SHA512

    ce86c3c376cd09b05da00bbe42461f96da98752b04c553328b0fa5d1de8f72c779ab42538e71de2852604a6f13bd8a21b645e6291b9582f2f8eac317fb61c941

  • /temp2.swap.21k5p

    Filesize

    1012.0MB

    MD5

    b0db66df2ca31327be5f83f9d4f1aa27

    SHA1

    5e24a980826ee6ab79dd52bcba5b39d8750af76b

    SHA256

    3928842678091e7d9ffdbaf0c7509cf2794da5b2dfc6178266bed948010a7056

    SHA512

    56ca425f35b7f5a5a28908e6c1cd335f4156813304083696e88b05800ea4275151fd1f60e67d5a33d78d8ac6b358bb15b611a901ea28cbb271d1ddaaadc92a38

  • /temp3.swap.21k5p

    Filesize

    1023.0MB

    MD5

    a7149d62f02820a5db47c302a3fe0d43

    SHA1

    ef582524a39721aed30bda94829778a5ef5143c9

    SHA256

    9be1573ea225678d6ab47c3a211380a6bf2cf473baab4156796637445d31d3a1

    SHA512

    e01db19867e69ecc1bc920df3ff7126a5973820274f3f4c6fa8973e195076f011cb18daa4594c1b688202044eda659ba51d555c3aa0d26bd53b857c2c4a2b825

  • /temp4.swap.21k5p

    Filesize

    1015.0MB

    MD5

    3dfa5e5269cb4b043ad07c614cc4906d

    SHA1

    8b9d60a2b16e22cfb6006b28461ea9a4c8b3e271

    SHA256

    3685a32126fe8605f98aaf1b6482c0313817e80be6b64e2dea9d602423925347

    SHA512

    cff9a669a888cb3d5c66b49aa5a77646cb4dc6919188b91c445aa14c30d66454be07a00b7338520e99bce3d09db6a2155e9408e120cafabdec15c5f8f3eeceff

  • /temp5.swap.21k5p

    Filesize

    1019.0MB

    MD5

    7e4123b10793dc86e2b5be24ab4f053e

    SHA1

    64b5dabc384ebd2ab34cfc83202fbf7dc9a9435c

    SHA256

    e5500c309ec8afb2ab8d0f236df0d88da7319ac90853d86dd852fc9895d260ac

    SHA512

    4d46b242f26eed864325c9506d79fa38957230915e4479ca11b40c9f61b82334773ef0ff2417a1bf63418daaf6b1df4ef9098842d68aae6e3a8bd9bc257c103c

  • /temp6.swap.21k5p

    Filesize

    1022.0MB

    MD5

    996a44a35d46fe5044e170e0ef9e56ab

    SHA1

    4c6d45636632d9a5f22877a3749dbbb58a5e9984

    SHA256

    771668a114fbf011467a8f076f0014411db85ff379a35d8eb63ea08f6ef3d335

    SHA512

    23f6d3f2a23fb41f525810c587dbcd687022125a05fc381d7e90664a0666f41a9b4ced9683963dfd81ad2c18417bf6396a70bed699a104f22461de9e487f428e

  • /temp7.swap.21k5p

    Filesize

    1022.0MB

    MD5

    696c412304dc738be24baa304fd98b5a

    SHA1

    a3ce61011d8a7484af3132b97e2eeb44792e2fcc

    SHA256

    fe9c76e273058460ce01e605ef8baac18179ad828c1be0c7198295c66006a864

    SHA512

    44d55d1fdef94ab1826a73a578cd46161c007ff487ab1243f06afd508fb85b7c2eb698e7001d463b3d5186daa2273094a5762e166589d43a86e13bb1d5b28ec4

  • /temp8.swap.21k5p

    Filesize

    1023.0MB

    MD5

    f499313d9051101b23dba9eae1041f93

    SHA1

    9ee8c74c17740e0561a7b019f1b71d10ab7ad347

    SHA256

    b0b6b2b3fe7be458c9b42aa5ce9b20d81f6f5d2324708ec41e112dae3eb7a4df

    SHA512

    aec9ccbaf63f3094e1fc20542e637b1fb5406bc15fd7ee70f88c4ebb8d2032a13e21d76ba5f16a51351b7903108501d294cf7520973a880393fa01068ab41d41

  • /temp9.swap.21k5p

    Filesize

    1024.0MB

    MD5

    d6d48983267a28a9f13a89b8166d49b0

    SHA1

    070c5ee24e6c11a6d092b58f9f79def81ca77495

    SHA256

    54a2a762db5998f2146da56f0c1ffef5336b24e98c5e17ce660b70cc87d626a1

    SHA512

    61ce96c4aef5c8fea5a02f03855a487f0a18a9843ced7ae711460909551f70018c8f7ef44ac0e911cb47119e8e99b7eed6b902a08436c24e9a09dba003bf754c