Analysis Overview
SHA256
a283dfda4e6b1b1f7fcf3283047590eeb24df33a9f0f13584cfa17c26cfe1156
Threat Level: Known bad
The file a283dfda4e6b1b1f7fcf3283047590eeb24df33a9f0f13584cfa17c26cfe1156.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
2021-09-29 21:37
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
2021-09-29 21:37
Reported
2021-09-29 21:40
Platform
android-x64
Max time kernel
864064s
Max time network
58s
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/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/data/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
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:853 | tcp | |
| US | 216.239.35.0:123 | time.android.com | udp |
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
| 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 | e5243fd7b07a48a34291e5945ecd44ed |
| SHA1 | 6ab142ecb9e9977493ef4b2d62c4b4ed0a052838 |
| SHA256 | f8b22767e5222386a81fbc6f10355e794ac500e9ff8af12c8bddcc94106bb21f |
| SHA512 | 0c076ab7a41010a78d4a28b604ba63abca571e3e8fa4c5cb7f1d17d998840fc353aa5fe6a9fe29fb8fb15135e8404c43d28660fe7b199d3f74ccda50be52aeec |
/data/data/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |