Analysis Overview
SHA256
c9254f055d63b3dfd1ca483d8e671a13c7b53453f7eacf8f2b135964e862442c
Threat Level: Known bad
The file c9254f055d63b3dfd1ca483d8e671a13c7b53453f7eacf8f2b135964e862442c.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 08:10
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 receive SMS messages. | android.permission.RECEIVE_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 read SMS messages. | android.permission.READ_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 send SMS messages. | android.permission.SEND_SMS | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-08-17 08:10
Reported
2021-08-17 08:11
Platform
android-x64-arm64
Max time kernel
1395306s
Max time network
95s
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/kiunb.trvh4j.refyyhv/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
| N/A | /data/user/0/kiunb.trvh4j.refyyhv/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
| N/A | /data/user/0/kiunb.trvh4j.refyyhv/app_ded/B3xwDWwUJigASlUensdiO2l66ca1HPk8.dex | N/A | N/A |
| N/A | /data/user/0/kiunb.trvh4j.refyyhv/app_ded/B3xwDWwUJigASlUensdiO2l66ca1HPk8.dex | 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 |
| Acesses field android.os.Build.BOARD | N/A | N/A | N/A |
| Acesses field android.os.Build.BOARD | N/A | N/A | N/A |
| Acesses field android.os.Build.BOOTLOADER | N/A | N/A | N/A |
| Acesses field android.os.Build.BOOTLOADER | N/A | N/A | N/A |
| Acesses field android.os.Build.BRAND | N/A | N/A | N/A |
| Acesses field android.os.Build.BRAND | N/A | N/A | N/A |
| Acesses field android.os.Build.CPU_ABI | N/A | N/A | N/A |
| Acesses field android.os.Build.CPU_ABI | N/A | N/A | N/A |
| Acesses field android.os.Build.CPU_ABI2 | N/A | N/A | N/A |
| Acesses field android.os.Build.CPU_ABI2 | N/A | N/A | N/A |
| Acesses field android.os.Build.DEVICE | N/A | N/A | N/A |
| Acesses field android.os.Build.DEVICE | N/A | N/A | N/A |
| Acesses field android.os.Build.DISPLAY | N/A | N/A | N/A |
| Acesses field android.os.Build.DISPLAY | N/A | N/A | N/A |
| Acesses field android.os.Build.FINGERPRINT | N/A | N/A | N/A |
| Acesses field android.os.Build.FINGERPRINT | N/A | N/A | N/A |
| Acesses field android.os.Build.HARDWARE | N/A | N/A | N/A |
| Acesses field android.os.Build.HARDWARE | N/A | N/A | N/A |
| Acesses field android.os.Build.HOST | N/A | N/A | N/A |
| Acesses field android.os.Build.HOST | N/A | N/A | N/A |
| Acesses field android.os.Build.ID | N/A | N/A | N/A |
| Acesses field android.os.Build.ID | N/A | N/A | N/A |
| Acesses field android.os.Build.IS_DEBUGGABLE | N/A | N/A | N/A |
| Acesses field android.os.Build.IS_DEBUGGABLE | N/A | N/A | N/A |
| Acesses field android.os.Build.IS_EMULATOR | N/A | N/A | N/A |
| Acesses field android.os.Build.IS_EMULATOR | N/A | N/A | N/A |
| Acesses field android.os.Build.MANUFACTURER | N/A | N/A | N/A |
| Acesses field android.os.Build.MANUFACTURER | N/A | N/A | N/A |
| Acesses field android.os.Build.MODEL | N/A | N/A | N/A |
| Acesses field android.os.Build.MODEL | N/A | N/A | N/A |
| Acesses field android.os.Build.PERMISSIONS_REVIEW_REQUIRED | N/A | N/A | N/A |
| Acesses field android.os.Build.PERMISSIONS_REVIEW_REQUIRED | N/A | N/A | N/A |
| Acesses field android.os.Build.PRODUCT | N/A | N/A | N/A |
| Acesses field android.os.Build.PRODUCT | N/A | N/A | N/A |
| Acesses field android.os.Build.RADIO | N/A | N/A | N/A |
| Acesses field android.os.Build.RADIO | N/A | N/A | N/A |
| Acesses field android.os.Build.SERIAL | N/A | N/A | N/A |
| Acesses field android.os.Build.SERIAL | N/A | N/A | N/A |
| Acesses field android.os.Build.SUPPORTED_32_BIT_ABIS | N/A | N/A | N/A |
| Acesses field android.os.Build.SUPPORTED_32_BIT_ABIS | N/A | N/A | N/A |
| Acesses field android.os.Build.SUPPORTED_64_BIT_ABIS | N/A | N/A | N/A |
| Acesses field android.os.Build.SUPPORTED_64_BIT_ABIS | N/A | N/A | N/A |
| Acesses field android.os.Build.SUPPORTED_ABIS | N/A | N/A | N/A |
| Acesses field android.os.Build.SUPPORTED_ABIS | N/A | N/A | N/A |
| Acesses field android.os.Build.TAGS | N/A | N/A | N/A |
| Acesses field android.os.Build.TAGS | N/A | N/A | N/A |
| Acesses field android.os.Build.TIME | N/A | N/A | N/A |
| Acesses field android.os.Build.TIME | N/A | N/A | N/A |
| Acesses field android.os.Build.TYPE | N/A | N/A | N/A |
| Acesses field android.os.Build.TYPE | N/A | N/A | N/A |
| Acesses field android.os.Build.UNKNOWN | N/A | N/A | N/A |
| Acesses field android.os.Build.UNKNOWN | N/A | N/A | N/A |
| Acesses field android.os.Build.USER | N/A | N/A | N/A |
| Acesses field android.os.Build.USER | N/A | N/A | N/A |
Processes
kiunb.trvh4j.refyyhv
Network
| Country | Destination | Domain | Proto |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 142.250.187.230:80 | ad.doubleclick.net | tcp |
| N/A | 142.250.200.4:443 | udp | |
| N/A | 142.250.178.10:80 | play.googleapis.com | tcp |
| N/A | 172.217.169.10:443 | udp | |
| N/A | 172.217.169.10:443 | udp | |
| N/A | 172.217.169.78:443 | udp | |
| N/A | 172.217.16.232:443 | tcp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 216.239.35.8:123 | time.android.com | udp |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 1.1.1.1:853 | tcp |
Files
/data/user/0/kiunb.trvh4j.refyyhv/app_apkprotector_dex/classes-v1.bin
| MD5 | c384c5cdaf8f3edfa29389f2de2effea |
| SHA1 | 5e5dad9692cf5794e3ff7b99a64e6555399bc56f |
| SHA256 | 0f145035801825a43c9aba19597cb6ee6737088c4f058a66d6b87f144a046062 |
| SHA512 | 7ea82780f2a46f8c297a35c16bb2e51136d4297fd2c4e6409b595b97d9490dfd65d00352a07ca6cd86b4f2fbfceeb5ab8d15f515395104be61629af56046c780 |
/data/user/0/kiunb.trvh4j.refyyhv/app_apkprotector_dex/classes-v1.bin
| MD5 | c384c5cdaf8f3edfa29389f2de2effea |
| SHA1 | 5e5dad9692cf5794e3ff7b99a64e6555399bc56f |
| SHA256 | 0f145035801825a43c9aba19597cb6ee6737088c4f058a66d6b87f144a046062 |
| SHA512 | 7ea82780f2a46f8c297a35c16bb2e51136d4297fd2c4e6409b595b97d9490dfd65d00352a07ca6cd86b4f2fbfceeb5ab8d15f515395104be61629af56046c780 |
/data/user/0/kiunb.trvh4j.refyyhv/app_apkprotector_dex/classes-v1.bin
| MD5 | c384c5cdaf8f3edfa29389f2de2effea |
| SHA1 | 5e5dad9692cf5794e3ff7b99a64e6555399bc56f |
| SHA256 | 0f145035801825a43c9aba19597cb6ee6737088c4f058a66d6b87f144a046062 |
| SHA512 | 7ea82780f2a46f8c297a35c16bb2e51136d4297fd2c4e6409b595b97d9490dfd65d00352a07ca6cd86b4f2fbfceeb5ab8d15f515395104be61629af56046c780 |
/data/user/0/kiunb.trvh4j.refyyhv/app_ded/B3xwDWwUJigASlUensdiO2l66ca1HPk8.dex
| MD5 | ce2eb8049c1923184bef0fa1b0bccf18 |
| SHA1 | 73fbf4bd370c0b0e716c70dde6384f989f36fecb |
| SHA256 | 6f000d1cbf06afe380dc8c952c26831af18289d0a7fd91d9f8c64325edbce743 |
| SHA512 | f64350b1e6c4f7508c0804d911f5ce13883dbd20421ed71d57a1a954e6d6476e398d97317e437b7a82dbe1ca297d9e617f6ab0474111bceb12601aa5ff18d161 |
/data/user/0/kiunb.trvh4j.refyyhv/app_ded/B3xwDWwUJigASlUensdiO2l66ca1HPk8.dex
| MD5 | ce2eb8049c1923184bef0fa1b0bccf18 |
| SHA1 | 73fbf4bd370c0b0e716c70dde6384f989f36fecb |
| SHA256 | 6f000d1cbf06afe380dc8c952c26831af18289d0a7fd91d9f8c64325edbce743 |
| SHA512 | f64350b1e6c4f7508c0804d911f5ce13883dbd20421ed71d57a1a954e6d6476e398d97317e437b7a82dbe1ca297d9e617f6ab0474111bceb12601aa5ff18d161 |
/data/user/0/kiunb.trvh4j.refyyhv/app_ded/B3xwDWwUJigASlUensdiO2l66ca1HPk8.dex
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |