Analysis

  • max time kernel
    2944036s
  • max time network
    156s
  • platform
    android_x86
  • resource
    android-x86-arm-20230831-en
  • submitted
    19-09-2023 22:01

General

  • Target

    4fc8f70c981abd205673fcff85f1f6b42e16f31f96d30c51454c6f72b1c56296.apk

  • Size

    541KB

  • MD5

    3a2e1930878ae40a8c4846c4aa776f3c

  • SHA1

    0d4b7ad2d45b7b4dadaee0b699747d2ec2a00486

  • SHA256

    4fc8f70c981abd205673fcff85f1f6b42e16f31f96d30c51454c6f72b1c56296

  • SHA512

    6e541bb6db243d3ed0ee86a2a8797e37fc35e41faaa2ac6bb9570f34f8cf0bba54a4920a1da27b72bcbc9638ee2ee444b39f8a8b15954a4e2346f7b28c601f85

  • SSDEEP

    12288:unIGr/pX/5A9lHRN17f06MkFCuqOLMYcJl40G4k2b4mxkcD:gxAPH9T0VkFlqOLh7kLyO

Malware Config

Extracted

Family

octo

C2

https://79.110.62.118/YTFlMzViNjNiNWM3/

https://3yamacfirarda22.xyz/YTFlMzViNjNiNWM3/

https://5yam7acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://5yam4acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://5yam8acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://5y3am4acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://6ya5m8acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://7ya5m8acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://8ya5m8acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://9ya5m8acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://15yam4acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://25yam8acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://35y3am4acfirarda22.xyz/YTFlMzViNjNiNWM3/

https://66ya5m8acfirarda22.xyz/YTFlMzViNjNiNWM3/

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.townkeeptyn
    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:4145

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.townkeeptyn/.qcom.townkeeptyn

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.townkeeptyn/cache/czpvfrcaolrvwz

    Filesize

    450KB

    MD5

    fa662bb74a05ba497d78031affb3ab73

    SHA1

    2c6a309fc29fb37d7c0a5e5155a7d4fa07f1856e

    SHA256

    5a49e4f3c5742492742fb2932c311e15d2a7c87a44de269e91d67fb5d4f849e7

    SHA512

    21800e115bfbe456f963b425079cd4465909a3329f72b1487f77b9c8b0c255d32f1ba8d72026b96f02e02ab32eb4c999668f49699f2666df3593330feda25298

  • /data/data/com.townkeeptyn/cache/oat/czpvfrcaolrvwz.cur.prof

    Filesize

    449B

    MD5

    8ec62f517ca448bf38a91bb9c225f2bb

    SHA1

    674d4b9796f368b735e34e54c24b234406575bb5

    SHA256

    e04b736262332461a08661563434dc40d77a88e1b061b7c82eb8ec6f9ef56f25

    SHA512

    90fe7fda7949e9624c20921b89af828fc7d832874fd2ab211baf7e3cffeaefbfbc40ea7b489c8a6f06b5eaa0762b66b70d55254b908ceeda7ff7d1c98bc5f276

  • /data/data/com.townkeeptyn/kl.txt

    Filesize

    28B

    MD5

    6311c3fd15588bb5c126e6c28ff5fffe

    SHA1

    ce81d136fce31779f4dd62e20bdaf99c91e2fc57

    SHA256

    8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

    SHA512

    2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

  • /data/data/com.townkeeptyn/kl.txt

    Filesize

    234B

    MD5

    a38a4cf0cfd03f57f29a7cc46aceac00

    SHA1

    5fc6b837ec74e9ea893b22295706e4f3cb8a8d4e

    SHA256

    1119502e3ff9c3c4a8a27a2b21d8e21b2e1f36d218b18504676a3f73ac3f43eb

    SHA512

    ca8cf48443138e7217cb80ff014d11d0a5dba48564c00c411aaed0b5b4cef44d43054a6fafcd06bf9d93c4890d57af6f2e89934f8d3fd8e73d8f8075f24e5274

  • /data/data/com.townkeeptyn/kl.txt

    Filesize

    63B

    MD5

    9911688359d0d6cfa3d280d3fda8d5d9

    SHA1

    e58c29e6cd306aa1490d26a0abfbecc712e1c085

    SHA256

    24f6eeef7a286067520803c4ac845c9d126c9d35928851d20740f14adf9f38c9

    SHA512

    e50871296a1db22a0f3821b847001d963e32f56a114e10fb6bd8cbe6002b25f6dbc91acf847c59c6a3e76053407c78aacef01eb38ed2ccf0b7d3001a2f1c7b31

  • /data/data/com.townkeeptyn/kl.txt

    Filesize

    54B

    MD5

    12a102c20c11c74dc23088bfefd47deb

    SHA1

    1ed7cbc3be1e7b5c37229d502197b819e53c0814

    SHA256

    5e8e8576512609375f0fac5db1ab348f7bc388c19990858985fa2de763536a5c

    SHA512

    62e695359081b510b436ec9e05f82c5621b09e3cf75cc20cc7978623e6e19bf1b5c7ec7eea82c4099dd17e61169c8902b43841ab3c19861ca7bb9e381a5562da

  • /data/data/com.townkeeptyn/kl.txt

    Filesize

    431B

    MD5

    f4e04d2c4ec44bf06589accb7d2ed872

    SHA1

    bf208f88e163ab1fa5177d11be3ca23e26462c65

    SHA256

    c5f29946b28e5bf0965aab0eecdd35653ddfbc663271745558bf10d112e71e86

    SHA512

    78c3c1f4461cfcdab408b9801dab709645d2ab001cb59184c18c4d2e24687b7117cb4a5eaaf041b4206f6770bf09b28f87ca37e50a686feac07af789c2fbc37d

  • /data/user/0/com.townkeeptyn/cache/czpvfrcaolrvwz

    Filesize

    450KB

    MD5

    fa662bb74a05ba497d78031affb3ab73

    SHA1

    2c6a309fc29fb37d7c0a5e5155a7d4fa07f1856e

    SHA256

    5a49e4f3c5742492742fb2932c311e15d2a7c87a44de269e91d67fb5d4f849e7

    SHA512

    21800e115bfbe456f963b425079cd4465909a3329f72b1487f77b9c8b0c255d32f1ba8d72026b96f02e02ab32eb4c999668f49699f2666df3593330feda25298

  • /data/user/0/com.townkeeptyn/cache/czpvfrcaolrvwz

    Filesize

    450KB

    MD5

    fa662bb74a05ba497d78031affb3ab73

    SHA1

    2c6a309fc29fb37d7c0a5e5155a7d4fa07f1856e

    SHA256

    5a49e4f3c5742492742fb2932c311e15d2a7c87a44de269e91d67fb5d4f849e7

    SHA512

    21800e115bfbe456f963b425079cd4465909a3329f72b1487f77b9c8b0c255d32f1ba8d72026b96f02e02ab32eb4c999668f49699f2666df3593330feda25298