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
2021-09-28 15:24
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
2021-09-28 15:24
Reported
2021-09-28 15:26
Platform
android-x64
Max time kernel
755198s
Max time network
36s
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 | 216.239.35.8:123 | 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 | d2f00b96bc08415c508635730345c00f |
| SHA1 | 7834a377c8d0bcd2879fb7bf72a5d3cb5803fbde |
| SHA256 | 638e28d540d4d1ae5c44e04f19d8441e187125f4b3810a6b8c44de7e7b7e7cfa |
| SHA512 | 796e970e91fa626621ddb1eb16120387912163bfc3c6d5f583d6abf6084c1b725bdcdb5b53e594a647693664677d8eb4e392836516e509631bb174925e3e9715 |
/data/data/com.sina.weibo/app_apkprotector_dex/aCRiESPM.vc
| MD5 | 1ac08cc83ce664c2853b11596675b3df |
| SHA1 | 45fd24aa0ea132a7b6685d2f6b958ee5bbd87467 |
| SHA256 | 90c7a7f67bf3b9a27eada8e0fa3205ae27e2dc5ce3deaa7e0d7bb76a463750dc |
| SHA512 | 18bb00465bc09853726616c0c62e73c53126a387601d461669ea8ab83eda551b77261f348a40b0edf176601714802602981e34c862ce194ab6d475c3510f43b6 |