Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231220-en
  • resource tags

    arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-12-2023 23:38

General

  • Target

    Lethal.exe

  • Size

    10.2MB

  • MD5

    9c463ff25b235544c8f66f1bdceb3657

  • SHA1

    5302794610a45a59175cf2589373085c77e45974

  • SHA256

    ce396d7bfffc21f2f3054214d8ea9ccd3aa9ed7ed8b26644e7faa33c6bc82afa

  • SHA512

    598e0675308c5de9bdd9b5947f4da9b79d916bae648b5b1ee9fc90b3ff1fd71023f0c2d835913d987630f02242b37f816f1603490f2b5b05452ed93743aaf05e

  • SSDEEP

    196608:yyXiIE7SRpoIEDn61W903eV4QR7MToEuGxgh858F0ibfU36e7mgABObk91tllWT:/iIE7YoI2nwW+eGQR7MTozGxu8C0ibfK

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 38 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 5 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lethal.exe
    "C:\Users\Admin\AppData\Local\Temp\Lethal.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Users\Admin\AppData\Local\Temp\Lethal.exe
      "C:\Users\Admin\AppData\Local\Temp\Lethal.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4252
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "tasklist"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4324
  • C:\Windows\system32\tasklist.exe
    tasklist
    1⤵
    • Enumerates processes with tasklist
    • Suspicious use of AdjustPrivilegeToken
    PID:4960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Cipher\_raw_ecb.pyd

    Filesize

    10KB

    MD5

    dedae3efda452bab95f69cae7aebb409

    SHA1

    520f3d02693d7013ea60d51a605212efed9ca46b

    SHA256

    6248fdf98f949d87d52232ddf61fada5ef02cd3e404bb222d7541a84a3b07b8a

    SHA512

    8c1cab8f34de2623a42f0750f182b6b9a7e2affa2667912b3660af620c7d9ad3bd5b46867b3c2d50c0cae2a1bc03d03e20e4020b7ba0f313b6a599726f022c6c

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\VCRUNTIME140.dll

    Filesize

    116KB

    MD5

    be8dbe2dc77ebe7f88f910c61aec691a

    SHA1

    a19f08bb2b1c1de5bb61daf9f2304531321e0e40

    SHA256

    4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

    SHA512

    0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\_bz2.pyd

    Filesize

    82KB

    MD5

    90f58f625a6655f80c35532a087a0319

    SHA1

    d4a7834201bd796dc786b0eb923f8ec5d60f719b

    SHA256

    bd8621fcc901fa1de3961d93184f61ea71068c436794af2a4449738ccf949946

    SHA512

    b5bb1ecc195700ad7bea5b025503edd3770b1f845f9beee4b067235c4e63496d6e0b19bdd2a42a1b6591d1131a2dc9f627b2ae8036e294300bb6983ecd644dc8

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\_ctypes.pyd

    Filesize

    122KB

    MD5

    452305c8c5fda12f082834c3120db10a

    SHA1

    9bab7b3fd85b3c0f2bedc3c5adb68b2579daa6e7

    SHA256

    543ce9d6dc3693362271a2c6e7d7fc07ad75327e0b0322301dd29886467b0b0e

    SHA512

    3d52afdbc8da74262475abc8f81415a0c368be70dbf5b2bd87c9c29ca3d14c44770a5b8b2e7c082f3ece0fd2ba1f98348a04b106a48d479fa6bd062712be8f7c

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\_decimal.pyd

    Filesize

    247KB

    MD5

    f78f9855d2a7ca940b6be51d68b80bf2

    SHA1

    fd8af3dbd7b0ea3de2274517c74186cb7cd81a05

    SHA256

    d4ae192bbd4627fc9487a2c1cd9869d1b461c20cfd338194e87f5cf882bbed12

    SHA512

    6b68c434a6f8c436d890d3c1229d332bd878e5777c421799f84d79679e998b95d2d4a013b09f50c5de4c6a85fcceb796f3c486e36a10cbac509a0da8d8102b18

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\_lzma.pyd

    Filesize

    155KB

    MD5

    cf8de1137f36141afd9ff7c52a3264ee

    SHA1

    afde95a1d7a545d913387624ef48c60f23cf4a3f

    SHA256

    22d10e2d6ad3e3ed3c49eb79ab69a81aaa9d16aeca7f948da2fe80877f106c16

    SHA512

    821985ff5bc421bd16b2fa5f77f1f4bf8472d0d1564bc5768e4dbe866ec52865a98356bb3ef23a380058acd0a25cd5a40a1e0dae479f15863e48c4482c89a03f

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\_uuid.pyd

    Filesize

    24KB

    MD5

    b9e2ab3d934221a25f2ad0a8c2247f94

    SHA1

    af792b19b81c1d90d570bdfedbd5789bdf8b9e0c

    SHA256

    d462f34aca50d1f37b9ea03036c881ee4452e1fd37e1b303cd6daaecc53e260e

    SHA512

    9a278bfe339f3cfbd02a1bb177c3bc7a7ce36eb5b4fadaaee590834ad4d29cbe91c8c4c843263d91296500c5536df6ac98c96f59f31676cecdccf93237942a72

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\_wmi.pyd

    Filesize

    35KB

    MD5

    cb0564bc74258cb1320c606917ce5a71

    SHA1

    5b2bfc0d997cc5b7d985bfadddbfc180cb01f7cf

    SHA256

    0342916a60a7b39bbd5753d85e1c12a4d6f990499753d467018b21cefa49cf32

    SHA512

    43f3afa9801fcf5574a30f4d3e7ae6aff65c7716462f9aba5bc8055887a44bf38fba121639d8b31427e738752fe3b085d1d924de2633f4c042433e1960023f38

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\base_library.zip

    Filesize

    1.3MB

    MD5

    ccee0ea5ba04aa4fcb1d5a19e976b54f

    SHA1

    f7a31b2223f1579da1418f8bfe679ad5cb8a58f5

    SHA256

    eeb7f0b3e56b03454868411d5f62f23c1832c27270cee551b9ca7d9d10106b29

    SHA512

    4f29ac5df211fef941bd953c2d34cb0c769fb78475494746cb584790d9497c02be35322b0c8f5c14fe88d4dd722733eda12496db7a1200224a014043f7d59166

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\charset_normalizer\md__mypyc.cp312-win_amd64.pyd

    Filesize

    120KB

    MD5

    bf9a9da1cf3c98346002648c3eae6dcf

    SHA1

    db16c09fdc1722631a7a9c465bfe173d94eb5d8b

    SHA256

    4107b1d6f11d842074a9f21323290bbe97e8eed4aa778fbc348ee09cc4fa4637

    SHA512

    7371407d12e632fc8fb031393838d36e6a1fe1e978ced36ff750d84e183cde6dd20f75074f4597742c9f8d6f87af12794c589d596a81b920c6c62ee2ba2e5654

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\libffi-8.dll

    Filesize

    38KB

    MD5

    0f8e4992ca92baaf54cc0b43aaccce21

    SHA1

    c7300975df267b1d6adcbac0ac93fd7b1ab49bd2

    SHA256

    eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a

    SHA512

    6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978

  • C:\Users\Admin\AppData\Local\Temp\_MEI2122\python312.dll

    Filesize

    6.7MB

    MD5

    48ebfefa21b480a9b0dbfc3364e1d066

    SHA1

    b44a3a9b8c585b30897ddc2e4249dfcfd07b700a

    SHA256

    0cc4e557972488eb99ea4aeb3d29f3ade974ef3bcd47c211911489a189a0b6f2

    SHA512

    4e6194f1c55b82ee41743b35d749f5d92a955b219decacf9f1396d983e0f92ae02089c7f84a2b8296a3062afa3f9c220da9b7cd9ed01b3315ea4a953b4ecc6ce

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Cipher\_Salsa20.pyd

    Filesize

    13KB

    MD5

    30f13366926ddc878b6d761bec41879e

    SHA1

    4b98075ccbf72a6cbf882b6c5cadef8dc6ec91db

    SHA256

    19d5f8081552a8aafe901601d1ff5c054869308cef92d03bcbe7bd2bb1291f23

    SHA512

    bdcec85915ab6ec1d37c1d36b075ae2e69aa638b80cd08971d5fdfd9474b4d1cf442abf8e93aa991f5a8dcf6db9d79fb67a9fe7148581e6910d9c952a5e166b4

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Cipher\_raw_cbc.pyd

    Filesize

    12KB

    MD5

    0c46d7b7cd00b3d474417de5d6229c41

    SHA1

    825bdb1ea8bbfe7de69487b76abb36196b5fdac0

    SHA256

    9d0a5c9813ad6ba129cafef815741636336eb9426ac4204de7bc0471f7b006e1

    SHA512

    d81b17b100a052899d1fd4f8cea1b1919f907daa52f1bad8dc8e3f5afc230a5bca465bbac2e45960e7f8072e51fdd86c00416d06cf2a1f07db5ad8a4e3930864

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Cipher\_raw_cfb.pyd

    Filesize

    13KB

    MD5

    3142c93a6d9393f071ab489478e16b86

    SHA1

    4fe99c817ed3bcc7708a6631f100862ebda2b33d

    SHA256

    5ea310e0f85316c8981ed6293086a952fa91a6d12ca3f8af9581521ee2b15586

    SHA512

    dcafec54bd9f9f42042e6fa4ac5ed53feb6cf8d56ada6a1787cafc3736aa72f14912bbd1b27d0af87e79a6d406b0326602ecd1ad394acdc6275aed4c41cdb9ef

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Cipher\_raw_ctr.pyd

    Filesize

    14KB

    MD5

    a34f499ee5f1b69fc4fed692a5afd3d6

    SHA1

    6a37a35d4f5f772dab18e1c2a51be756df16319a

    SHA256

    4f74bcf6cc81bac37ea24cb1ef0b17f26b23edb77f605531857eaa7b07d6c8b2

    SHA512

    301f7c31dee8ff65bb11196f255122e47f3f1b6b592c86b6ec51ab7d9ac8926fecfbe274679ad4f383199378e47482b2db707e09d73692bee5e4ec79c244e3a8

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Cipher\_raw_ofb.pyd

    Filesize

    12KB

    MD5

    a13584f663393f382c6d8d5c0023bc80

    SHA1

    d324d5fbd7a5dba27aa9b0bdb5c2aebff17b55b1

    SHA256

    13c34a25d10c42c6a12d214b2d027e5dc4ae7253b83f21fd70a091fedac1e049

    SHA512

    14e4a6f2959bd68f441aa02a4e374740b1657ab1308783a34d588717f637611724bc90a73c80fc6b47bc48dafb15cf2399dc7020515848f51072f29e4a8b4451

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Hash\_BLAKE2s.pyd

    Filesize

    14KB

    MD5

    06d3e941860bb0abedf1baf1385d9445

    SHA1

    e8c16c3e8956ba99a2d0de860dcfc5021f1d7de5

    SHA256

    1c340d2625dad4f07b88bb04a81d5002aabf429561c92399b0eb8f6a72432325

    SHA512

    6f62acff39b77c1ec9f161a9bfa94f8e3b932d56e63daee0093c041543993b13422e12e29c8231d88bc85c0573ad9077c56aa7f7a307e27f269da17fba8ee5a3

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Hash\_MD5.pyd

    Filesize

    15KB

    MD5

    39b06a1707ff5fdc5b3170eb744d596d

    SHA1

    37307b2826607ea8d5029293990eb1476ad6cc42

    SHA256

    2e8bb88d768890b6b68d5b6bb86820766ada22b82f99f31c659f4c11def211a1

    SHA512

    98c3c45eb8089800edf99acea0810820099bfd6d2c805b80e35d9239626cb67c7599f1d93d2a14d2f3847d435eaa065bf56df726606bb5e8a96e527e1420633d

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Hash\_SHA1.pyd

    Filesize

    17KB

    MD5

    9d15862569e033c5aa702f9e4041c928

    SHA1

    11376e8cb76ad2d9a7d48d11f4a74fb12b78bcf6

    SHA256

    8970df77d2f73350360dbe68f937e0523689ff3d7c0be95eb7ca5820701f1493

    SHA512

    322f0f4947c9d5d2800deebfd198eabe730d44209c1b61bb9fd0f7f9ed5f719ae49f8397f7920bdb368bb386a598e9b215502dc46fbe72f9340876cf40affc8a

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Hash\_SHA256.pyd

    Filesize

    21KB

    MD5

    352f56e35d58abe96d6f5dbbd40d1fea

    SHA1

    5f0c9596b84b8a54d855441c6253303d0c81aa1b

    SHA256

    44eed167431151e53a8f119466036f1d60773ddeb8350af972c82b3789d5d397

    SHA512

    cb4862b62abb780656f1a06dadd3f80aea453e226c38efae4318812928a7b0b6a3a8a86fcc43f65354b84fc07c7235ff384b75c2244553052e00dc85699d422a

  • \Users\Admin\AppData\Local\Temp\_MEI2122\Crypto\Util\_strxor.pyd

    Filesize

    10KB

    MD5

    fae081b2c91072288c1c8bf66ad1aba5

    SHA1

    cd23ddb83057d5b056ca2b3ab49c8a51538247de

    SHA256

    af76a5b10678f477069add6e0428e48461fb634d9f35fb518f9f6a10415e12d6

    SHA512

    0adb0b1088cb6c8f089cb9bf7aec9eeeb1717cf6cf44b61fb0b053761fa70201ab3f7a6461aaae1bc438d689e4f8b33375d31b78f1972aa5a4bf86afad66d3a4

  • \Users\Admin\AppData\Local\Temp\_MEI2122\_hashlib.pyd

    Filesize

    64KB

    MD5

    8baeb2bd6e52ba38f445ef71ef43a6b8

    SHA1

    4132f9cd06343ef8b5b60dc8a62be049aa3270c2

    SHA256

    6c50c9801a5caf0bb52b384f9a0d5a4aa182ca835f293a39e8999cf6edf2f087

    SHA512

    804a4e19ea622646cea9e0f8c1e284b7f2d02f3620199fa6930dbdadc654fa137c1e12757f87c3a1a71ceff9244aa2f598ee70d345469ca32a0400563fe3aa65

  • \Users\Admin\AppData\Local\Temp\_MEI2122\_queue.pyd

    Filesize

    31KB

    MD5

    5aa4b057ba2331eed6b4b30f4b3e0d52

    SHA1

    6b9db113c2882743984c3d8b70ec49fc4a136c23

    SHA256

    d43dca0e00c3c11329b68177e967cf5240495c4786f5afa76ac4f267c3a5cdb9

    SHA512

    aa5aa3285ea5c177eca055949c5f550dbd2d2699202a29efe2077213cbc95fff2a36d99eecce249ac04d95baf149b3d8c557a67fc39ead3229f0b329e83447b7

  • \Users\Admin\AppData\Local\Temp\_MEI2122\_socket.pyd

    Filesize

    81KB

    MD5

    439b3ad279befa65bb40ecebddd6228b

    SHA1

    d3ea91ae7cad9e1ebec11c5d0517132bbc14491e

    SHA256

    24017d664af20ee3b89514539345caac83eca34825fcf066a23e8a4c99f73e6d

    SHA512

    a335e1963bb21b34b21aef6b0b14ba8908a5343b88f65294618e029e3d4d0143ea978a5fd76d2df13a918ffab1e2d7143f5a1a91a35e0cc1145809b15af273bd

  • \Users\Admin\AppData\Local\Temp\_MEI2122\_sqlite3.pyd

    Filesize

    121KB

    MD5

    de8b1c6df3ed65d3c96c7c30e0a52262

    SHA1

    8dd69e3506c047b43d7c80cdb38a73a44fd9d727

    SHA256

    f3ca1d6b1ab8bb8d6f35a24fc602165e6995e371226e98ffeeed2eeec253c9df

    SHA512

    a532ef79623beb1195f20537b3c2288a6b922f8e9b6d171ef96090e4cc00e754a129754c19f4d9d5e4b701bcff59e63779656aa559d117ef10590cfafc7404bb

  • \Users\Admin\AppData\Local\Temp\_MEI2122\_ssl.pyd

    Filesize

    173KB

    MD5

    6774d6fb8b9e7025254148dc32c49f47

    SHA1

    212e232da95ec8473eb0304cf89a5baf29020137

    SHA256

    2b6f1b1ac47cb7878b62e8d6bb587052f86ca8145b05a261e855305b9ca3d36c

    SHA512

    5d9247dce96599160045962af86fc9e5439f66a7e8d15d1d00726ec1b3b49d9dd172d667380d644d05cb18e45a5419c2594b4bcf5a16ea01542ae4d7d9a05c6e

  • \Users\Admin\AppData\Local\Temp\_MEI2122\charset_normalizer\md.cp312-win_amd64.pyd

    Filesize

    10KB

    MD5

    d9e0217a89d9b9d1d778f7e197e0c191

    SHA1

    ec692661fcc0b89e0c3bde1773a6168d285b4f0d

    SHA256

    ecf12e2c0a00c0ed4e2343ea956d78eed55e5a36ba49773633b2dfe7b04335c0

    SHA512

    3b788ac88c1f2d682c1721c61d223a529697c7e43280686b914467b3b39e7d6debaff4c0e2f42e9dddb28b522f37cb5a3011e91c66d911609c63509f9228133d

  • \Users\Admin\AppData\Local\Temp\_MEI2122\libcrypto-3.dll

    Filesize

    4.9MB

    MD5

    51e8a5281c2092e45d8c97fbdbf39560

    SHA1

    c499c810ed83aaadce3b267807e593ec6b121211

    SHA256

    2a234b5aa20c3faecf725bbb54fb33f3d94543f78fa7045408e905593e49960a

    SHA512

    98b91719b0975cb38d3b3c7b6f820d184ef1b64d38ad8515be0b8b07730e2272376b9e51631fe9efd9b8a1709fea214cf3f77b34eeb9fd282eb09e395120e7cb

  • \Users\Admin\AppData\Local\Temp\_MEI2122\libssl-3.dll

    Filesize

    771KB

    MD5

    bfc834bb2310ddf01be9ad9cff7c2a41

    SHA1

    fb1d601b4fcb29ff1b13b0d2ed7119bd0472205c

    SHA256

    41ad1a04ca27a7959579e87fbbda87c93099616a64a0e66260c983381c5570d1

    SHA512

    6af473c7c0997f2847ebe7cee8ef67cd682dee41720d4f268964330b449ba71398fda8954524f9a97cc4cdf9893b8bdc7a1cf40e9e45a73f4f35a37f31c6a9c3

  • \Users\Admin\AppData\Local\Temp\_MEI2122\select.pyd

    Filesize

    29KB

    MD5

    e1604afe8244e1ce4c316c64ea3aa173

    SHA1

    99704d2c0fa2687997381b65ff3b1b7194220a73

    SHA256

    74cca85600e7c17ea6532b54842e26d3cae9181287cdf5a4a3c50af4dab785e5

    SHA512

    7bf35b1a9da9f1660f238c2959b3693b7d9d2da40cf42c6f9eba2164b73047340d0adff8995049a2fe14e149eba05a5974eee153badd9e8450f961207f0b3d42

  • \Users\Admin\AppData\Local\Temp\_MEI2122\sqlite3.dll

    Filesize

    1.4MB

    MD5

    31cd2695493e9b0669d7361d92d46d94

    SHA1

    19c1bc5c3856665eca5390a2f9cd59b564c0139b

    SHA256

    17d547994008f1626be2877497912687cb3ebd9a407396804310fd12c85aead4

    SHA512

    9dd8d1b900999e8cea91f3d5f3f72d510f9cc28d7c6768a4046a9d2aa9e78a6ace1248ec9574f5f6e53a6f1bdbfdf153d9bf73dba05788625b03398716c87e1c

  • \Users\Admin\AppData\Local\Temp\_MEI2122\unicodedata.pyd

    Filesize

    1.1MB

    MD5

    fc47b9e23ddf2c128e3569a622868dbe

    SHA1

    2814643b70847b496cbda990f6442d8ff4f0cb09

    SHA256

    2a50d629895a05b10a262acf333e7a4a31db5cb035b70d14d1a4be1c3e27d309

    SHA512

    7c08683820498fdff5f1703db4ad94ad15f2aa877d044eddc4b54d90e7dc162f48b22828cd577c9bb1b56f7c11f777f9785a9da1867bf8c0f2b6e75dc57c3f53