Analysis Overview
SHA256
1b0bfad146eeb4295c3a1ee5b316adea4b1195bf35006b038d8d6d21d8310e5b
Threat Level: Known bad
The file 1b0bfad146eeb4295c3a1ee5b316adea4b1195bf35006b038d8d6d21d8310e5b.apk was found to be: Known bad.
Malicious Activity Summary
FluBot Payload
FluBot
Requests dangerous framework permissions
Loads dropped Dex/Jar
Uses Crypto APIs (Might try to encrypt user data).
Uses reflection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2021-09-22 07:54
Signatures
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. | android.permission.READ_PHONE_STATE | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | N/A | N/A |
| Allows an application to read SMS messages. | android.permission.READ_SMS | N/A | N/A |
| Allows an application to send SMS messages. | android.permission.SEND_SMS | N/A | N/A |
| Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. | android.permission.CALL_PHONE | N/A | N/A |
| Allows an application to receive SMS messages. | android.permission.RECEIVE_SMS | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-22 07:54
Reported
2021-09-22 07:59
Platform
android-x64-arm64
Max time kernel
209977s
Max time network
199s
Command Line
Signatures
FluBot
FluBot Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.sina.weibo/app_apkprotector_dex/Y1VjHmUP.sq | N/A | N/A |
| N/A | /data/user/0/com.sina.weibo/app_apkprotector_dex/Y1VjHmUP.sq | N/A | N/A |
Uses Crypto APIs (Might try to encrypt user data).
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
Uses reflection
| Description | Indicator | Process | Target |
| Invokes method android.view.ViewGroup.makeOptionalFitsSystemWindows | N/A | N/A | N/A |
Processes
com.sina.weibo
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:853 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:853 | tcp | |
| US | 142.250.180.10:80 | play.googleapis.com | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| US | 1.1.1.1:853 | tcp | |
| US | 1.1.1.1:853 | tcp | |
| US | 1.1.1.1:853 | tcp | |
| GB | 142.250.200.40:443 | tcp | |
| US | 142.251.36.36:443 | tcp | |
| US | 142.251.36.10:443 | tcp | |
| US | 172.217.169.2:443 | tcp | |
| NL | 142.250.179.170:443 | tcp | |
| US | 142.251.36.10:443 | tcp |
Files
/data/user/0/com.sina.weibo/app_apkprotector_dex/Y1VjHmUP.sq
| MD5 | f5561a08e87f709dd3d811efd2bbd93a |
| SHA1 | 893de96ccede79d024da230d3159145723860690 |
| SHA256 | d4b54261bbbfdb8bb5ac3fc1a44b88b95781ee603a8b4f89c1a09d0773083e43 |
| SHA512 | fb68a489cc5826a255a623849419f477c6988295b5cf4a220e4bbae463bcb19cc19cad84bf3edc91f699c8fcaa98fbefff2918c037dea36a64c27b52b045b48c |
/data/user/0/com.sina.weibo/app_apkprotector_dex/Y1VjHmUP.sq
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.sina.weibo/app_apkprotector_dex/Y1VjHmUP.sq
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.sina.weibo/shared_prefs/Voicemail.xml
| MD5 | c6c2b686aea6ffd2f6aedf4cd5d72afc |
| SHA1 | cbcd26a8350156494e2ba8219baef5b206448f02 |
| SHA256 | 6addbd944946db83a3a79a03a7b6a7ecff902aee58754fd98fb619088ef8b870 |
| SHA512 | e646562f6944f87f4637056f70bd3fd4159ad8fea998fdf7695f694260ac9a4982af103da7aae9c0e4876c531a42e49fe0b7a12eba411fa89505bf1de5f22888 |