Analysis Overview
SHA256
a283dfda4e6b1b1f7fcf3283047590eeb24df33a9f0f13584cfa17c26cfe1156
Threat Level: Known bad
The file a283dfda4e6b1b1f7fcf3283047590eeb24df33a9f0f13584cfa17c26cfe1156-flubot.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
2021-10-04 13:45
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
2021-10-04 13:45
Reported
2021-10-04 13:48
Platform
android-x86-arm
Max time kernel
1267724s
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.sina.weibo/app_apkprotector_dex/aCRiESPM.vc | N/A | N/A |
| N/A | /data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc | N/A | N/A |
| N/A | /data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc | 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
com.sina.weibo
/system/bin/dex2oat
Network
Files
/data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc
| MD5 | efd035acf5b1675c1ea8824a3de8247d |
| SHA1 | 3d89e8b36bf90064abb58a0885a969766c6d23ea |
| SHA256 | e5f0ac7e193eaf19e37b4a3bb54786bd36fffd279e503d2cbeb901af6f98b4d7 |
| SHA512 | e06e9bd7ce1e258469bf4888d09f946f37636126c86c29341dc6bbaae41eebba0f7fd7cacd70d98bb51cfe2340d878af04dee41557f12c544cd68b59d43c66c4 |
/data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc.x86.flock
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.sina.weibo/app_apkprotector_dex/oat/x86/aCRiESPM.vdex
| MD5 | 1faedcb344b82c4e914bd1878e119baf |
| SHA1 | ead982bb21744103bfa29caccd1f29d90371836f |
| SHA256 | 6144b685dd0593ffe0bf83b72a3ed9a6bb004f74f1f3c001b870ccdc24f6cec7 |
| SHA512 | b2fc14e3ea441465850640a05230eec0157b9fcdda492c1e51e810e76e1b6b36ef086fe313914ed142df355b6fb052b1eceb92e8f159213ee358b878603bdfed |
/data/user/0/com.sina.weibo/app_apkprotector_dex/oat/x86/aCRiESPM.odex
| MD5 | c944decb1cf732d3d9ef9cf45fed1d1f |
| SHA1 | 1932f395085ba542c386754da17f060963b5f131 |
| SHA256 | d95a6ba341580a5f6ac607322ff587fb0945f6b65d9250e35f8288ceadd3a912 |
| SHA512 | 45dfb386a13a466c5269873e5899336f290b37575bb5ffae60238d6cbcaefb47bc18a39b410a86e5c183caf0767bb20023dbca95e02680feeb812e3b73d42aa4 |
/data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.sina.weibo/shared_prefs/Voicemail.xml
| MD5 | 9f59287914e2bedf97909586e6960c4e |
| SHA1 | 1e702adc82ec93c302968b4fcd96a6a4a2e29b91 |
| SHA256 | 551bb4556f8fe15b88a0d09939c3847ec4cc951a13baa0a943cf13b1f4a9ae65 |
| SHA512 | c581a040caa326162260561f00b3aea355c3058d44312975f1673a76b4051b66e056ed7f54afd725e234fe9a5417f08f1771a8c226e269d4a140fd2edd39e46b |