Analysis

  • max time kernel
    2814129s
  • max time network
    138s
  • platform
    android_x86
  • resource
    android-x86-arm-20230831-en
  • submitted
    18-09-2023 09:40

General

  • Target

    chrome-update01230 (2).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://b1nkikaza12kinv21.live/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:4173
    • /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:4197

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

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

    457B

    MD5

    e86ec9a86578382ecd92622f07b34869

    SHA1

    69f410ec2df3f859eedc5c993c8146fa86429e6f

    SHA256

    78d0f189f1fb038a8739afb5ad398ebb8d3857738fbebec86fc7101e24626dcb

    SHA512

    9f949de358eff0d9e959a210364f93a5853fe2a28356bdb3b052c40b423f180b6b919ad7a3ff609148211bd02fc50242cec9f0bc339c15dafd663179e4d3ff66

  • /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

    55ade4e9021361f9a94cd8bab2913fb2

    SHA1

    92850a746dd4f26af7196c45c2e2d845b3c550fc

    SHA256

    a06ad26fcc142a59fe1e4b211b50e4d04e01d052da0efb6285beee6bcf095a95

    SHA512

    d06f418364dfb36ff5dfeb72ed09fe533e0a20a71a356656f2340b80452675bc4ad4e5b94de0b8497ec2b8fba1c0011ca40895cec35c46de3e1c8eee7d74a6e3

  • /data/data/com.completebe0/kl.txt

    Filesize

    63B

    MD5

    34dd1ac667e415df3ba566f94e3ee6e3

    SHA1

    c8daf20dccaf979eade9ab13fab5d8c530ce2ed7

    SHA256

    5495fc68b63e4230c32e5a8be001f5a74442a2e61b8466f0ba6c78ccd68fe2c4

    SHA512

    056425033ae52d987f9bd84a5c662458313b7a84ac6faf5074ca0007b3153601cbf7f45520362f15194139361e7bdc2d505a85104578e7c0c2c5c9234ed57ec0

  • /data/data/com.completebe0/kl.txt

    Filesize

    54B

    MD5

    ec18540f77a8c537acb4ae3bfa585eba

    SHA1

    4faabbc3a98b7c5fc0f4e2742dfd1dd0dbc3a8f5

    SHA256

    3e9357cae5f93cb076d6fab9981a63578e953aec9c248a4087b1ff9c6f41c230

    SHA512

    8c81c96317cf4d20fc72e5b341344db868df491be6190a14591e0460461735c94e0d1127c94ac9616455bdcebecfdd64c2cd7b3932a4f34decc6becbace8dc17

  • /data/data/com.completebe0/kl.txt

    Filesize

    423B

    MD5

    45607a3c212e25d66ae769a495a0db21

    SHA1

    98d822a068d84f19d22ea355c1a20ec056feb899

    SHA256

    4b223c4fd149b1d2b84cd90bfa2fe9aefe548f7aaa16c37625fa56c5b3667c95

    SHA512

    1b47a65faf65b0fd1a2a9b7b0cf5fde0a7d49b817166d1157f528821fc1511595db309e886c4da46380a213e34fd58a799f3826f48a0282fd0e99a5b93208d18

  • /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