Analysis Overview
SHA256
25a5091406c412ecb379dc4b79ec7ff934e1ef260b3839e88f73eac430235301
Threat Level: Known bad
The file 25a5091406c412ecb379dc4b79ec7ff934e1ef260b3839e88f73eac430235301.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
2021-08-31 11:38
Signatures
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows an application to receive SMS messages. | android.permission.RECEIVE_SMS | N/A | N/A |
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2021-08-31 11:38
Reported
2021-08-31 11:41
Platform
android-x64-arm64
Max time kernel
2617468s
Max time network
142s
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/n04hdBsA.av | N/A | N/A |
| N/A | /data/user/0/com.bilibili.app.in/app_apkprotector_dex/n04hdBsA.av | N/A | N/A |
| N/A | /data/user/0/com.bilibili.app.in/app_apkprotector_dex/n04hdBsA.av | 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 | 224.0.0.251:5353 | udp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 142.251.32.102:80 | ad.doubleclick.net | tcp |
| N/A | 172.217.16.234:80 | play.googleapis.com | tcp |
| N/A | 142.250.80.78:443 | udp | |
| N/A | 142.250.178.8:443 | tcp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 142.250.178.3:443 | udp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 216.239.35.12:123 | time.android.com | udp |
Files
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/n04hdBsA.av
| MD5 | c1733e82d2089999bad738185cbf9736 |
| SHA1 | 0b19f5a252c8cd7f6d483428a305a95e5a190463 |
| SHA256 | b9b6020f6b6669981afe373f122249ea6eed34d256538f5f9697827411183ae5 |
| SHA512 | 73a50ea90745daa78a77b1e3a928d82d3b1ab3d4d67b70e6684a562c937ee9f39c55258290dcbe12dd9f2647985b930841e34d6d32c360dd712221649be12acd |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/n04hdBsA.av
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/n04hdBsA.av
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/shared_prefs/Voicemail.xml
| MD5 | 9e18a32521efff4182d42fef47744347 |
| SHA1 | 98d931b64ca4782bdf0d13113934cd65d410a4d0 |
| SHA256 | a42ea614c650ff4418a11bae698564b4359047e196e2a76489cb3faec5c4e953 |
| SHA512 | 8d0244deaeae425d263385c4e1557c6b210da4e84f2559efa4ba27ae9f81ca03a360fda71bdf1a28edd0b1479da1197af8b58760183a3b5ee0a7a5d695879c2e |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/n04hdBsA.av
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |