Analysis Overview
SHA256
562b50e21fbaa4873f4f854a6fe68c4eb3238cdb0331ae767c4585be4c9713fd
Threat Level: Known bad
The file 562b50e21fbaa4873f4f854a6fe68c4eb3238cdb0331ae767c4585be4c9713fd.apk was found to be: Known bad.
Malicious Activity Summary
FluBot
FluBot Payload
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
2021-09-02 13:44
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
2021-09-02 13:44
Reported
2021-09-02 13:46
Platform
android-x64
Max time kernel
2797744s
Max time network
50s
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.bilibili.app.in/app_apkprotector_dex/uDYoKIJj.lvm | N/A | N/A |
| N/A | /data/user/0/com.bilibili.app.in/app_apkprotector_dex/uDYoKIJj.lvm | 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.bilibili.app.in
Network
| Country | Destination | Domain | Proto |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 216.239.35.0:123 | time.android.com | udp |
Files
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/uDYoKIJj.lvm
| MD5 | ff48f271ab3d31e88bd0e2d8b073f511 |
| SHA1 | 790aec4f766a98a71642f2204e82aef6977a9f69 |
| SHA256 | 4d203bde1bad95976e47db92d2a503000706f1761c00e58e7f5f63875c9c369e |
| SHA512 | 89d27aa1a4fb055811d5518922f44f8fad50f718e70905bb452aab514b65aa5abc7f4765cf5e7f81811150f6269216f628aa7ad677b408f5faf1b5ea2ea467e1 |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/uDYoKIJj.lvm
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/uDYoKIJj.lvm
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/shared_prefs/Voicemail.xml
| MD5 | cd3bd4f5de5f329b29c48905897889f3 |
| SHA1 | a75139981b5ebc86105c5716b5e352ffbd86f5cb |
| SHA256 | ffb3d4378f9f6a44483742a11cedbf1820bec3c11e83d5947ee20970c187f775 |
| SHA512 | 69d6ffa4417db289e70bc0c1a63749e626764b26212fe21c07b92fd8de76e195b08feca58e905599eb1e92582a0f44b594ceee1cc043d770869b386ad4b51cb5 |