Resubmissions

05-10-2023 02:48

231005-daerjsgc7y 10

01-10-2023 09:19

231001-lajphahh3t 10

Analysis

  • max time kernel
    4257137s
  • max time network
    152s
  • platform
    android_x86
  • resource
    android-x86-arm-20230831-en
  • submitted
    05-10-2023 02:48

General

  • Target

    chrome-update01231.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: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/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: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/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

    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

    013dbdc6580bb55ab72c7b35450d8792

    SHA1

    0fccf085f1ba180295f4aebd320ab1396b31cbde

    SHA256

    02bd3d6db724f65efc60937072af9f656bdb0c3239b6459bd4dda6ff0c894f93

    SHA512

    70df8c208dc5c1dc333af9c4c06711cb5c7cc49f28b1fbcdab204330cf01336b1254443fe227c7c331f8d7375172c74870dace7d01f086b3f8c0f77eb66c13c6

  • /data/data/com.completebe0/kl.txt

    Filesize

    63B

    MD5

    7abd73a9323861a37cbbd3239b9066b0

    SHA1

    b4e3619c23c58b36829ac0da95109882ff2e7026

    SHA256

    aae1a43c0e95aedef851b6fcdea5502c4efc44d2fb6ca9a53dee1e5f65c57226

    SHA512

    3e5dfcbfd49fd3ee5be98683e5b80f3679b8c60f739c545c8fb31eff754cff77c3c901503094fa07b66948dd3fa1678dd371e2d05b4b85af9126e00b87641975

  • /data/data/com.completebe0/kl.txt

    Filesize

    54B

    MD5

    5466d08ed41a948b681d24602b081964

    SHA1

    6829701f77235a4366bdc0ab3902d8c144d96f74

    SHA256

    358a3f8634808c08c0a209c88fe6a84e698a30456e2e981b89d97434782d585f

    SHA512

    66671109869feeed93649908120a47a88676508f09ca1762267967fc8e2bf505afb5cbd4ee664a1691fb7f438a656ce053348a9b1c316504432c0500ad287210

  • /data/data/com.completebe0/kl.txt

    Filesize

    423B

    MD5

    b494cbf091359c33df5f19e44e1d0bae

    SHA1

    0edc8c358d2d5ec85a09747441ea5bb69380bca2

    SHA256

    6b652d06d75eb865ccebeba0a8ec7d51c9d75828e19c24bda4e5a78c70121c98

    SHA512

    47b73252a13865a197144c7d6d8c47374fbaa4799cc53ed88fe3e790d123f5e7e6f83043e5464dfb43e7da4f60703e69974d781c2d1e44b822c462dd3d612511

  • /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