Resubmissions

05-10-2023 12:02

231005-n7m5asah6w 10

01-10-2023 09:19

231001-lakxkahh3v 10

Analysis

  • max time kernel
    4290397s
  • max time network
    148s
  • platform
    android_x86
  • resource
    android-x86-arm-20230831-en
  • submitted
    05-10-2023 12:02

General

  • Target

    chrome-update01231 (1).apk

  • Size

    1.9MB

  • MD5

    d7ccab4750500d52ee48ac9dfcb87f4d

  • SHA1

    52cbb4b76917b3a2aef37328f75bae8b323ead0e

  • SHA256

    8cc901e75b13808b61c77971fea73f1b59c1b8171e9669413d36a31e2f427377

  • SHA512

    90c3e267da4001b6196eb4e15b2eb9a86c6d2e3b6c23e5f941ab43ff0a8aa464fddc4e430143ded6e3cc24fbc0055ad53a057bf05dfb9e2fcb379cf957d8fa8a

  • SSDEEP

    49152:6zpyj+khIWj5PfT3FxyqyUWKuX2ZGZbmqkiCTAE4KoSv:ipqtttmhfX2ZQ/kUW

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://zazarazgok7215vor1.pro/MTU2OWE0NzJjNGY5/

https://juf18ki1ca15ca1la.info/MTU2OWE0NzJjNGY5/

https://pofvac15camkkecz5.cc/MTU2OWE0NzJjNGY5/

https://makivn58jnid51.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:4177
    • /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/XXtM.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.completebe0/app_DynamicOptDex/oat/x86/XXtM.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4202

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/XXtM.json

    Filesize

    2KB

    MD5

    d6da5c5529f474e412cb499403dbf48f

    SHA1

    26c1de09a30e36bb1fcfc220fb39e93eba25e278

    SHA256

    a2c64094c5803a5e83ebc4c2286c30463735a727443ee93bd0628dd2056b5279

    SHA512

    39ce9d281fd1f3455936882cbd63b95347cd931c4ec94c56f5b5311e3a1abf5b3dd00553eeea696ce77215ff01760e90fdf108a3e2268af73dda477a6191fe88

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

    Filesize

    2KB

    MD5

    c23b13ee75e62fad156c18baf3307196

    SHA1

    5fd075e86bb806ce7d703bd94c8179a622250633

    SHA256

    755d90dbde099e849869c2838ab3854ce85db818319d9a9ede0f66319e44fd0b

    SHA512

    4832845b05e2be6cd7d6f510df170348415afba3cccfa9a1723fa2b13734905d153d55d1e634c1b7553aaf7b2e0500dcb21cdfa2c5d1c1bbb3b28dd6920195d8

  • /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

    83bb2c12eb4db4b770870ee654400a70

    SHA1

    d95d8b7e90f7c89c45b149628e4a8a12a881b3ca

    SHA256

    ca6db2b41a442d2bd31a6d7324ae8070264048bfdf4278be70170a51f2ad5d72

    SHA512

    9fcff43fadc3b3160b553b33fe0e9a9b43e320d43deaa9fd91adfa1cd7dd666b129d14765226e34e6699f4c98626c97fa2a35b46b7bbaaab69278ee522978653

  • /data/data/com.completebe0/kl.txt

    Filesize

    63B

    MD5

    9c4893378aaa2a614157eae9973f1db4

    SHA1

    ce8c3b78bb00ed7b0b738aa235f615fde416e65a

    SHA256

    f422106ce5d21af3ebd2ce852dca7553d5e0fe22ca3b15ce8c8c418d81c69187

    SHA512

    3656859a417efd15ec64f0fab7a57e8778352aaf28f0dd4dc0c9b67993e985bbc11df805000b6044a8760ff24e79de2492fbac90876176dc1ed29290a9428070

  • /data/data/com.completebe0/kl.txt

    Filesize

    54B

    MD5

    1dd068b37aa2d4542a718e0ee0526548

    SHA1

    3c7241d1b0e440fe97aba8e8b99407b9b7733d17

    SHA256

    8a56e00151a903fcda80c24c3b4445263e6f1ea3a10ba7fd4af2e45255437b3a

    SHA512

    337ea8923c6f0d3ae133565e78190935376d38f469aa057a3e5d2ffe367679e02f71787b1fa6f7bb7d3b636a70cdc0c204ce909a48c406719436d694a4ddb8b8

  • /data/data/com.completebe0/kl.txt

    Filesize

    423B

    MD5

    0d90c34ac1964369dace4d558571d821

    SHA1

    9a3a0b2cfd3c77b2f2390ab01213a44f125884dd

    SHA256

    3ad126b0da54bb695473bc0205b5a88e8a4ee03767f07e86f23016aba2122a9a

    SHA512

    13e37ce3d8b2781b5c7e9bcaca6276f44a1ea79d24283519c7acdf427ed9625cfdfa66e10a2e52089ba8c52c0b72e8297aeb6c8b990d7b86216d08a6e3c76fd9

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

    Filesize

    6KB

    MD5

    0fb583646f5b47949f86d01282ca0435

    SHA1

    671034886dd68896d4f57c25a51b724aa0f324cb

    SHA256

    5521e7fdacd279fb031f57c6adf255cc788c86f9ee1e6709b969735d50c2dc84

    SHA512

    e9226ff0a2ffc2ce0df05b3b247f4f5e2798942fa894ac035d6965d393675a359c5419aa7ac14e09da56763b68787652ad1839aa64e912c377c542b556211e42

  • /data/user/0/com.completebe0/app_DynamicOptDex/XXtM.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