Analysis

  • max time kernel
    2846432s
  • max time network
    133s
  • platform
    android_x86
  • resource
    android-x86-arm-20230831-en
  • submitted
    18-09-2023 18:56

General

  • Target

    chromeupdate012302_JC.apk

  • Size

    1.8MB

  • MD5

    307ecaa5b7cc76a3f0ae337d5b3952b5

  • SHA1

    2f0333348227d3d00a0acc9a72254a278b183bcc

  • SHA256

    65d959c67f2086389e59c7a445a9eee5d8505d51d042e69001959156a4c86990

  • SHA512

    7b68cdef667e241b871288ed035753b127b0d0d75d6f266905b117c2b56d3b06bd183b2b45c8d2c3c4f10b87a8d1817d4f23066e53e31453bac6ba392f173887

  • SSDEEP

    49152:kjbkZ9zjunxMe9ZhaNxyqyUWKOX+ZGZbmqPiABAE4KoSI:GI7yxMebthzX+ZQ/Pgt

Malware Config

Extracted

Family

octo

C2

https://zaglefolki1.info/MTU2OWE0NzJjNGY5/

https://passajire555.live/MTU2OWE0NzJjNGY5/

https://majestike8ca.top/MTU2OWE0NzJjNGY5/

https://jikugac818v.vip/MTU2OWE0NzJjNGY5/

https://5a9udxg6l6gd.su/MTU2OWE0NzJjNGY5/

https://f2kic1nam25n81k.cc/MTU2OWE0NzJjNGY5/

https://maza5rra11vti251mca.info/MTU2OWE0NzJjNGY5/

https://cleverk21da912mca.live/MTU2OWE0NzJjNGY5/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo payload 3 IoCs
  • Makes use of the framework's Accessibility service. 2 IoCs
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
  • Removes its main activity from the application launcher 1 IoCs
  • Acquires the wake lock. 1 IoCs
  • Loads dropped Dex/Jar 4 IoCs

    Runs executable file dropped to the device during analysis.

  • Reads information about phone network operator.
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Removes a system notification. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.completebe0
    1⤵
    • Makes use of the framework's Accessibility service.
    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
    • Removes its main activity from the application launcher
    • Acquires the wake lock.
    • Loads dropped Dex/Jar
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Removes a system notification.
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:4174
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.completebe0/app_DynamicOptDex/IZlZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.completebe0/app_DynamicOptDex/oat/x86/IZlZ.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4202

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.completebe0/.qcom.completebe0

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.completebe0/app_DynamicOptDex/IZlZ.json

    Filesize

    2KB

    MD5

    ae7f2afa65682f8cc8895b69828481b5

    SHA1

    38f3739e2314b4687a7bd3afddb36ed554886f3d

    SHA256

    68072f003620920c92815d467212e4eb7da00f2f1213e468a0e439d363b1f39c

    SHA512

    d3a425190b9eed73cc76986ccf68fb76d0d3208edb1ef55b082cd863b0c94eff23b5d29a17648a2707976a674a4b0f6e473af19e51a00e82d7c666d9e65056f9

  • /data/data/com.completebe0/app_DynamicOptDex/IZlZ.json

    Filesize

    2KB

    MD5

    3cd4276a4f8b5dccc7fac861851551ef

    SHA1

    7e7adffd9f0d0de2097029053e524c96d8187af9

    SHA256

    f02ea34e18b3b4823e8ceb55789cb656aafce21a36d228698bd07f6bbc9f0987

    SHA512

    f5f02cac02da0ba5737b3abcbc601914484eca61372db4156177df6977c8b64bf3e1c077fdbd6851c54b3d463b7ae5ca3ec209ad3dcd538003c408d67ce1ef69

  • /data/data/com.completebe0/cache/bhvbn

    Filesize

    457KB

    MD5

    0f298b4d05ac13449acd725c06fa6115

    SHA1

    da53ed2eb6952b54799328a33fd5275e60a0fcc9

    SHA256

    773a283d03ea5440eebcbb72b3f98988dc66342f0a8ab6415d9a01346aa407ac

    SHA512

    5d12aad043cf6a5b879a8285896c9eb73ff96c4ca29de6170db77937e83edf26ebe6aae3ebbd1f8208830f7886e8ce1d64f9fa4c4eccf75f6c86e4ae99b086a5

  • /data/data/com.completebe0/cache/oat/bhvbn.cur.prof

    Filesize

    440B

    MD5

    5f8d01d3a0216c24ba573be1d2c6acc7

    SHA1

    faa11ba2876cc39196995504e8c6d200a0bc64c4

    SHA256

    1d56e5a5027f6ff619487ce8538748f4103ecd0aac057aa3c5fc982fd689626c

    SHA512

    203fbefbefd082ba0a6681dc43b67be4f872441a0b4d8bd800d4c0a95c6ebfe82e15ef2990d5e07fa0b9fdcbdd8ec89ec1887634783acefb7ebec644687cfac1

  • /data/data/com.completebe0/kl.txt

    Filesize

    28B

    MD5

    6311c3fd15588bb5c126e6c28ff5fffe

    SHA1

    ce81d136fce31779f4dd62e20bdaf99c91e2fc57

    SHA256

    8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

    SHA512

    2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

  • /data/data/com.completebe0/kl.txt

    Filesize

    230B

    MD5

    ada7642875b92b32fee2247c3c725f9c

    SHA1

    a3aeb51603db27290500e2628088a5a50c8ab659

    SHA256

    604a38a3b250e5addd8f21224d05ad0a9d0a94c2ee427b6e3c8a8f0576296dcb

    SHA512

    d585f9bb1f37c79f8c0debda03a07fe94e2371271966ce2d54b16b0dc15b61c8444ecaa5597f110faee3a881212191dbb45ce746073958038c552b43c221fba5

  • /data/data/com.completebe0/kl.txt

    Filesize

    63B

    MD5

    0495ca452376f4229a5e031fd5292723

    SHA1

    421ec908de2a49b4eec4f87dafc92c5f7640163c

    SHA256

    53435a41d798e916b231f305c6733e8d2eae6ac9246fc791729a39becd67bcac

    SHA512

    2dee7af1963cf1ef37233bb51be16127996a46852d0886c3fd885d3c7ba876d3f5901ea38b1f2f4d56f49b25daa43f89eb3b00eab46e6194400a9e958c0509a2

  • /data/data/com.completebe0/kl.txt

    Filesize

    54B

    MD5

    95aece3362ee3403e90f9a758ff1cbb0

    SHA1

    f72ab37371fc22bde24100419d965761ccce476a

    SHA256

    0d8c0f59258f3b0dd52060653fe7441b24297548ed730ff19e6408074c5ed9d0

    SHA512

    7196a0cb5c1d211eda06a8a9f14557dd9780e244e75ae0425646ff0a1717cc63ff179bed25517e4d703e3d621e383301fb3174e80d15079202e7069aaba05b76

  • /data/data/com.completebe0/kl.txt

    Filesize

    423B

    MD5

    c0babf43b500967cd90773d384846a14

    SHA1

    bda0bd4e74623b2b65814afc5a49bba56dcc68c6

    SHA256

    526aa2050ea6c74cd55b02f0f43f7ceb765c2863d8baf3d49339afa864fc61c6

    SHA512

    b17b50754334db59cbc1ee58230aa6487ad2e44303d8fb26f819fe04226a83d9c6c47896635864faff03d2124355e0c13ca7f88fdd92c9405e53be0c984a2b0b

  • /data/user/0/com.completebe0/app_DynamicOptDex/IZlZ.json

    Filesize

    6KB

    MD5

    0fb583646f5b47949f86d01282ca0435

    SHA1

    671034886dd68896d4f57c25a51b724aa0f324cb

    SHA256

    5521e7fdacd279fb031f57c6adf255cc788c86f9ee1e6709b969735d50c2dc84

    SHA512

    e9226ff0a2ffc2ce0df05b3b247f4f5e2798942fa894ac035d6965d393675a359c5419aa7ac14e09da56763b68787652ad1839aa64e912c377c542b556211e42

  • /data/user/0/com.completebe0/app_DynamicOptDex/IZlZ.json

    Filesize

    6KB

    MD5

    8e4612b5633c2f3f03aad82512e10946

    SHA1

    1ed04da4b21489501338b57999f858d775ff0579

    SHA256

    863d543d469a91d30fbf78676c5f014496fa2f36f8beda1c6f04a94fa22d6b88

    SHA512

    f0930dded69c9328957a170df5f78f10668aefd2e7168f6e17214169202750f7e9760dc2f6e6c0dffc593e49ee132fcbecf7597871b57dc71a8ffe958f587312

  • /data/user/0/com.completebe0/cache/bhvbn

    Filesize

    457KB

    MD5

    0f298b4d05ac13449acd725c06fa6115

    SHA1

    da53ed2eb6952b54799328a33fd5275e60a0fcc9

    SHA256

    773a283d03ea5440eebcbb72b3f98988dc66342f0a8ab6415d9a01346aa407ac

    SHA512

    5d12aad043cf6a5b879a8285896c9eb73ff96c4ca29de6170db77937e83edf26ebe6aae3ebbd1f8208830f7886e8ce1d64f9fa4c4eccf75f6c86e4ae99b086a5

  • /data/user/0/com.completebe0/cache/bhvbn

    Filesize

    457KB

    MD5

    0f298b4d05ac13449acd725c06fa6115

    SHA1

    da53ed2eb6952b54799328a33fd5275e60a0fcc9

    SHA256

    773a283d03ea5440eebcbb72b3f98988dc66342f0a8ab6415d9a01346aa407ac

    SHA512

    5d12aad043cf6a5b879a8285896c9eb73ff96c4ca29de6170db77937e83edf26ebe6aae3ebbd1f8208830f7886e8ce1d64f9fa4c4eccf75f6c86e4ae99b086a5