Analysis Overview
SHA256
34c9c73ff73d72986f4e77534aa4496319c7bae59115501bfde127fbf2ddce63
Threat Level: Known bad
The file 34c9c73ff73d72986f4e77534aa4496319c7bae59115501bfde127fbf2ddce63.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
2021-08-17 07:30
Signatures
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| 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 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 receive SMS messages. | android.permission.RECEIVE_SMS | 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2021-08-17 07:30
Reported
2021-08-17 07:33
Platform
android-x86-arm
Max time kernel
1393010s
Command Line
Signatures
FluBot
FluBot Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| 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/SwjiZZV0.nfs | N/A | N/A |
| N/A | /data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs | N/A | N/A |
| N/A | /data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs | 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
com.bilibili.app.in
/system/bin/dex2oat
Network
Files
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs.x86.flock
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs
| MD5 | eb31e0176bf8aecdab1dc5b30ae5c79a |
| SHA1 | 299e8718b210e10b474061a97e764402521d5f13 |
| SHA256 | b464cced187d2a418e14d190c4be4a6ccaf1343ff4ec70ff62eb1a50092c55da |
| SHA512 | a1a20e397bdd9e2ed4b732ed4ff825b574601f01c7f2f551672119bfd71b1da2e5107ba3269d7f643756db52becfa9c1c31f8bac215abec68ecf4ef5ef471f71 |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/oat/x86/SwjiZZV0.vdex
| MD5 | 4ef98c8a4ca27d415428aad5ed398222 |
| SHA1 | 432367d3fc448fbecfe5b279db66007c1a0b3832 |
| SHA256 | f4cc7ec04fead99df7c0ff794fe62bae24a0ff48fc310c7051612e04f0188320 |
| SHA512 | c45b7f54a23760e04b09e33aba9378e71fa93faf9396fb5d209ef9a30b139e4c02c1c92a87a5f15327e1afa415fb962d48a92cfc74489cfa9117999f066fbcf2 |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/oat/x86/SwjiZZV0.odex
| MD5 | 937cb8d14109a3a29996720c0631273c |
| SHA1 | 60b0ec0de9c0cd30c7de0e08e042d900b99c18d8 |
| SHA256 | cf8ff4b46b24b8661e34422b0265bcbd2600090072e13c066ab188b8f5b15545 |
| SHA512 | 2fc827f7c00e1d9c248cbf962beb69379c52ae56c166fa8c1382f28df24b2d827e76a29bb02c82ef6d8c596d2beeede939c48d5d55745769b2876ed5084bd015 |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/app_apkprotector_dex/SwjiZZV0.nfs
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.bilibili.app.in/shared_prefs/DHL.xml
| MD5 | 7e7823d50be8dc93d03024600711e83e |
| SHA1 | 8b8e3fdcf1143fa33b1f4b25cafdb4690cb892ae |
| SHA256 | cc14af3f6537b05a018bc33caa97f9313784bc6853c177ccd9996f169559e9d9 |
| SHA512 | 447d937806d8aaf665d4e2f468ed11b42cd4edbe57f8387fac92323761514e72f7e6ab8f07c558b851a4fa018d7bf11cade1b14a888e2e122ca8a1082d2b443a |