Analysis Overview
SHA256
55f479f47852acadd57595f0a08628c13318842633a2a0b94d6bbe45f10d31ef
Threat Level: Known bad
The file 55f479f47852acadd57595f0a08628c13318842633a2a0b94d6bbe45f10d31ef.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).
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2021-08-16 07:20
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
2021-08-16 07:20
Reported
2021-08-16 07:21
Platform
android-x64-arm64
Max time kernel
1305905s
Max time network
69s
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.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts | N/A | N/A |
| N/A | /data/user/0/com.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts | N/A | N/A |
| N/A | /data/user/0/com.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts | 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 |
Processes
com.baidu.searchbox
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 | 142.250.187.196:443 | udp | |
| N/A | 142.250.180.6:80 | ad.doubleclick.net | tcp |
| N/A | 142.251.36.10:443 | udp | |
| N/A | 172.217.169.78:443 | udp | |
| N/A | 142.251.36.10:443 | udp | |
| N/A | 172.217.17.40:443 | tcp | |
| N/A | 1.1.1.1:853 | tcp |
Files
/data/user/0/com.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts
| MD5 | 1fac01f82a99c43da59b5e9435a7de21 |
| SHA1 | 737570b2555702acca5285363f8e97b97a0983f8 |
| SHA256 | 43c80662c0690414b9d56e4168666146160035c6c6d3c1949bebe56671ad5126 |
| SHA512 | e7e760d8a2f91d8c66c2dcc1613a852a5feed93c4c2ad1041d6fc219c2271f06b7a214fa237f0b9912924269288cc4d22a01854c2b03ecf9bb268bcf55bf5178 |
/data/user/0/com.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.baidu.searchbox/app_apkprotector_dex/fAcKSnrN.kts
| MD5 | 0032c11fe7a5bd4307a78eda2f3c6d97 |
| SHA1 | 3e2517f431b0a3ea915223d8fcdc37e9fea9f2ef |
| SHA256 | e48c586efd1608dc7b17ec735fbdb293c2e81c3c50931d99ebe3fdcfdc6dfba6 |
| SHA512 | 398d79d8cd7d3b271d32aae4331697ad8d6a8f4eb34d5cf83174be0cf0871e115ccaf26b0b5f3712801a7dfd9b5af220b604a4d2b609a7b2e2a314d2aa4333f7 |