Resubmissions

25-09-2023 22:25

230925-2b2vgacd8s 10

25-09-2023 22:02

230925-1x9a1ade43 10

Analysis

  • max time kernel
    3462983s
  • max time network
    132s
  • platform
    android_x86
  • resource
    android-x86-arm-20230831-en
  • submitted
    25-09-2023 22:02

General

  • Target

    8f0284b41c15c0c6745aa86b340f31b5c3f7d5ebc18017eaced95301d39f98d7.apk

  • Size

    541KB

  • MD5

    c5b77da398a9234ec7a8137fb49981d7

  • SHA1

    27ead5af5ecc90dec8481c645ab317c5dcf23655

  • SHA256

    8f0284b41c15c0c6745aa86b340f31b5c3f7d5ebc18017eaced95301d39f98d7

  • SHA512

    9e15a105e5ee65ce9df8716d8e7fc3390dff77d04fb97e05748922572c6a37f8639f37d4e41f464006a839643422fc796583efe251761a7987e52644219b46d8

  • SSDEEP

    12288:+kOkEiUWX4/jo/Ib54fejzv70xB0KiaDMtr+cY49nJ:Cni5X4/joQtXjKiJ1+z0nJ

Malware Config

Extracted

Family

octo

C2

https://waytoupio.click/M2I2NGMzMzk4YzM0/

https://acsmartio.tech/M2I2NGMzMzk4YzM0/

https://apppro.live/M2I2NGMzMzk4YzM0/

https://waytoupio.click/m2i2ngmzmzk4yzm0/M2I2NGMzMzk4YzM0/

https://acsmartio.tech/m2i2ngmzmzk4yzm0/M2I2NGMzMzk4YzM0/

https://apppro.live/m2i2ngmzmzk4yzm0/M2I2NGMzMzk4YzM0/

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 2 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.simplesun4
    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:4172

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.simplesun4/.qcom.simplesun4

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.simplesun4/cache/oat/zpaofggcurnjq.cur.prof

    Filesize

    476B

    MD5

    2c4d3eb866061e0582e28ecdf2627195

    SHA1

    4eb7ea7bcd96bcd553676ed15a841e17a1812cea

    SHA256

    9da14c27fe2da02dd95fc54f76c09a1f77752943fd18ba2ebf42c2ac862389fb

    SHA512

    1b1714ed2ffbe22fabf4d4595328ab44928adb43eb2f7cf358e1fe76e3c026980936395d28ea162779827dc7cbedbb7042e31cf99a082772bb22a48e0df0ac76

  • /data/data/com.simplesun4/cache/zpaofggcurnjq

    Filesize

    449KB

    MD5

    5712cd19b2532170ea43b9248e0f7582

    SHA1

    0dc98b341312ad0bbeae349e0c93b08201f56fe5

    SHA256

    4f99c72a25b0cb7442a512768635f0b03bb0a1e28e07663d1b69dd955df872f6

    SHA512

    f9a7c754b4992fdb1c1ba2db9dbf89c9652a07ecaf90335ebbafce269f3f5cca7e7fd9671243e70f368dab95553688cb42cd81807e886e1a8939e9e1cd866784

  • /data/data/com.simplesun4/kl.txt

    Filesize

    28B

    MD5

    6311c3fd15588bb5c126e6c28ff5fffe

    SHA1

    ce81d136fce31779f4dd62e20bdaf99c91e2fc57

    SHA256

    8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

    SHA512

    2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

  • /data/data/com.simplesun4/kl.txt

    Filesize

    237B

    MD5

    2405e987da0d53e27b792160977cc464

    SHA1

    0e24be77796bde476e495a496e3878de07fb35da

    SHA256

    0fd8f374c7eb18b8bb62c4c38d906bb89cb68e7e14acd0ef9d1f5a66ab411f60

    SHA512

    69f62d38bdeabc92802ad60e43fb45778dccddd82f8fadbcc73b27fbce46170079ff60356fca4ab51349c8f6758830343f70db0ff9af993d617dea14d03fcd4a

  • /data/data/com.simplesun4/kl.txt

    Filesize

    63B

    MD5

    558832d04b460fe6df05b349a9cfd704

    SHA1

    ed7b97338fc196851bdedfe1892f57e01768babf

    SHA256

    4512bbd3ecdab116e55209359e4b14d295e76a6150f107dafe15c8346a74ec84

    SHA512

    9774d9e80798af06c406ae4f3df29736b984836f9b6539ff5ed0cb3f98fbb1d32d4eb1e3d66dc32559dc8f076b0af082f26fa35717bbfa238b307937f876bbb3

  • /data/data/com.simplesun4/kl.txt

    Filesize

    54B

    MD5

    84cd2a908f5ccb064f47fcc4af895e0d

    SHA1

    15027281ba9f2f4bd1434ba609bfd233c5cc8c0c

    SHA256

    6c5974b55d5d41d410358f22f24fc8cb38bffcc2fb50d2635738e75992ad3ef2

    SHA512

    fbd4524d2390906bbd3e543425ae0949465788150f6b99b45b05a095760851790495358a95a8a88de59681a4a792cc0e2b68a630c1ddf40354d6bcd4bc300b02

  • /data/data/com.simplesun4/kl.txt

    Filesize

    437B

    MD5

    60b73267eb3624e35552cbfc24e436db

    SHA1

    fe79015414eb791013fe9d142555796b89e6c800

    SHA256

    8fcf4013e18370c8726e52ceb80a720d20a7cff47b4925643679aa9e16d502c5

    SHA512

    35056f97e7dd240363e911e4994fae6edd9f9836a07e191973cd205ab7b6990a162a51258e5dc809928f13eddf851a922c31799b2d6c00c860354c605920b2df

  • /data/user/0/com.simplesun4/cache/zpaofggcurnjq

    Filesize

    449KB

    MD5

    5712cd19b2532170ea43b9248e0f7582

    SHA1

    0dc98b341312ad0bbeae349e0c93b08201f56fe5

    SHA256

    4f99c72a25b0cb7442a512768635f0b03bb0a1e28e07663d1b69dd955df872f6

    SHA512

    f9a7c754b4992fdb1c1ba2db9dbf89c9652a07ecaf90335ebbafce269f3f5cca7e7fd9671243e70f368dab95553688cb42cd81807e886e1a8939e9e1cd866784

  • /data/user/0/com.simplesun4/cache/zpaofggcurnjq

    Filesize

    449KB

    MD5

    5712cd19b2532170ea43b9248e0f7582

    SHA1

    0dc98b341312ad0bbeae349e0c93b08201f56fe5

    SHA256

    4f99c72a25b0cb7442a512768635f0b03bb0a1e28e07663d1b69dd955df872f6

    SHA512

    f9a7c754b4992fdb1c1ba2db9dbf89c9652a07ecaf90335ebbafce269f3f5cca7e7fd9671243e70f368dab95553688cb42cd81807e886e1a8939e9e1cd866784