Analysis

  • max time kernel
    149s
  • max time network
    166s
  • platform
    android-13_x64
  • resource
    android-33-x64-arm64-20240910-en
  • resource tags

    arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
  • submitted
    23-11-2024 11:00

General

  • Target

    753c262257602605e79946ed42fa855da101761d.apk

  • Size

    2.0MB

  • MD5

    40265050e0136239ffc1ac9d782e31ae

  • SHA1

    753c262257602605e79946ed42fa855da101761d

  • SHA256

    dc69c74be98939f4940807d2268b5b32ed2f2729b2ba068591caf0254160a6d6

  • SHA512

    03512268e0a9440c5f35a5c3b08f97a0c60b4bc5c11fa3cfd843089ad83d049cfb5ee525f00adf0b8334b5b413e23fae0287899f737cc1f9f4473155c85a654b

  • SSDEEP

    49152:BTT+7AgEUy1I8ehFC1l8+E5RMoznNlJnFm:dT+dEUy1I3FCzE5R/z5c

Malware Config

Extracted

Family

octo

C2

https://jtfersion.com/YWFiM2VkMmFmNWFh/

https://kineomager.net/YWFiM2VkMmFmNWFh/

https://aberinogerd.com/YWFiM2VkMmFmNWFh/

https://nolevibanget.net/YWFiM2VkMmFmNWFh/

rc4.plain

Extracted

Family

octo

C2

https://jtfersion.com/YWFiM2VkMmFmNWFh/

https://kineomager.net/YWFiM2VkMmFmNWFh/

https://aberinogerd.com/YWFiM2VkMmFmNWFh/

https://nolevibanget.net/YWFiM2VkMmFmNWFh/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.carrybuild4
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4487

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/user/0/com.carrybuild4/app_DynamicOptDex/UtCj.json

    Filesize

    2KB

    MD5

    099566ba3010bf29dd0b74d16dfd2c81

    SHA1

    c81c115b5d9fdcb9ad2d3bfa2dbf894797d89d1b

    SHA256

    190e41c7cfd4487f40877e4f69c24415c787fb3224ad13500ab97f74a2f4a526

    SHA512

    265a474e2ef6261a27be1e1dca73ce8806f66fe103365208a40f64de238d7d510dd9cb7b3522ce0483e56cbbac25a363ff4458589b6fdd54583ea9572d7e4863

  • /data/user/0/com.carrybuild4/app_DynamicOptDex/UtCj.json

    Filesize

    2KB

    MD5

    50aaaee161ff33560781ae6474091699

    SHA1

    7312861b1c038912c23d0cdbff2876a4456cddfe

    SHA256

    c3705004cfb2a4a8a39511c8940fd2a8d0fd4220fbd3c10a32f75c03ed0f55ab

    SHA512

    01a0b15b71572836b4d1940ed7efe8bb0d03e11bc11b772710b1cf794e9d4293d24813bfe910fc3d834162b916079eac4c6a5d818f7e9b469f56c2ee740c482b

  • /data/user/0/com.carrybuild4/app_DynamicOptDex/UtCj.json

    Filesize

    5KB

    MD5

    11a3b3fc2b85c30bdeb8ce89f5b2d568

    SHA1

    1fc9f3d1ae372011bcc2303d2de88630965b1535

    SHA256

    0811480d39d338a846fee5db302b07d598edec4ea9ef4c2a361d181299172649

    SHA512

    53490fd84c941e88c140cf0baf146322b943e8aff003e389840938c4146cabb06061daa3c9aa5687418bc52dea0ed2453d746069363f90f1947ac04dd836b3c4

  • /data/user/0/com.carrybuild4/cache/oat/txwpunphgcavnew.cur.prof

    Filesize

    410B

    MD5

    8304a040a67fa826453f144bbefc9d88

    SHA1

    e031314286fcf6ec9eeb8ad1e97c033cdb8358bd

    SHA256

    f37a39b30805ab3d03a62bb22438577534f9e382a80cbcf14e98ba6f61e47749

    SHA512

    1e8a2be018a46f74c784e63b078db17eed2cc333042cd33b02dd79443a7f4ce66d7fc1e2ed4b71104e1f59ac5919f33d35d19a277a0a20ebefa6ecb5f02ebd3b

  • /data/user/0/com.carrybuild4/cache/txwpunphgcavnew

    Filesize

    448KB

    MD5

    251f5be95aad11c7a231d88b37b0154d

    SHA1

    6e694c35ff718a617e9999aae12a63711c8e7c1c

    SHA256

    09272d112558b22a70359becd2a292cb110b9e2f33202cb5cb491bd08c8bd6c2

    SHA512

    2f63110429eff2ac05d18f40d80ce26909f1071fc1bff75a1d1b2603b0b61a37794b7f2ba1da6d37000c1b20dd7c22881ac1c7adf201ce7523c6e6d37822558f

  • /data/user/0/com.carrybuild4/kl.txt

    Filesize

    54B

    MD5

    bdd3dd5e2dec80219e1ce6d3258b3e36

    SHA1

    6552aeefd39d1aa4e22f35b49949e2000055925e

    SHA256

    74c06122128290fcc431e38d03394d8ea8c08e80808ba6427daf4fb0f06bb080

    SHA512

    b5372625bb74686d2e1beb679dc67ec253928aaf57a2c2667394f61893e504ebbae274e2f98bfbcf36c14c70aa26c0be4f7bdf61cb4ca28aa69b1536abcf41f9

  • /data/user/0/com.carrybuild4/kl.txt

    Filesize

    504B

    MD5

    5babb5100cc9d652e372f7eb35d711bf

    SHA1

    3050c7aa1214e2fdb40362cf00f3900d7e7d347a

    SHA256

    205f8586ba4072999d6a0452cd9f4a3a9d228e06fd1c3e8dbb146a651d30638b

    SHA512

    b40c43137b8f73b8aafabb1316830473242956d0fec4a5cfa6f20ff6c6371addb6262be7374ff69655f41ef83d281081fa8cf4b632c96787e9717ab8c10b2df5

  • /data/user/0/com.carrybuild4/kl.txt

    Filesize

    28B

    MD5

    6311c3fd15588bb5c126e6c28ff5fffe

    SHA1

    ce81d136fce31779f4dd62e20bdaf99c91e2fc57

    SHA256

    8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

    SHA512

    2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

  • /data/user/0/com.carrybuild4/kl.txt

    Filesize

    221B

    MD5

    79fc4f8b06ed9dbac35a1c5476ee2d4d

    SHA1

    82f258b9e2131c12d8734156e298f7f25bfbe572

    SHA256

    ab65e12f03317abd189fe83585be6c71ad77d099bc82eee88b6a3fbd0e66abf9

    SHA512

    46051352e836e6f1dac795725fe7eb4b5b15ba468d4274a957eb58d0046b1b09f93951a66458082e0a6876d1f500c29e9a6b0da3cb437332fa1790c896dfa492

  • /data/user/0/com.carrybuild4/kl.txt

    Filesize

    64B

    MD5

    cd9c31638ff7396d2e4c94fd05a8531f

    SHA1

    a75646f23a567451d28f15ffaffb764be873d775

    SHA256

    bb595c8cf5f96c94c0eeae4e5a024831e50cd9602d70e70c4efe1bb4386ac477

    SHA512

    21fb857c30825c649e7930b736a2b04a8b95ad57c7ef17b134bc7d52bc49dd25abc0a8e5772a604553fa54ef3af3a90308128e598579042c08f8475170de1717