Analysis
- max time kernel
3972322s - max time network
134s - platform
android_x86 - resource
android-x86-arm-20220310-en - submitted
02/04/2022, 23:09
General
- Target Voicemail.apk
- Size 4.2MB
- Sample220402-25mmmsffgl
- SHA256 158e334f97c9d867beff18e6c39396922849290251ac0afb9d6ed34674ac1026
Score
10/10
Malware Config
Signatures
- FluBot
FluBot is an android banking trojan that uses overlays.
- FluBot Payload 3 IoCs
- Makes use of the framework's Accessibility service. 3 IoCs
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
- Acquires the wake lock. 1 IoCs
- Loads dropped Dex/Jar 3 IoCs
Runs executable file dropped to the device during analysis.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Reads information about phone network operator.
- Removes a system notification. 1 IoCs
- Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
Processes
-
com.snda.wifilocating1⤵
- Makes use of the framework's Accessibility service.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
-
/system/bin/dex2oat --debuggable --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --debuggable --generate-mini-debug-info --dex-file=/data/user/0/com.snda.wifilocating/UGh8w8UFfg/k9hyGgrGftgk9Gg/base.apk.Upkfejf1.ykg --output-vdex-fd=45 --oat-fd=46 --oat-location=/data/user/0/com.snda.wifilocating/UGh8w8UFfg/k9hyGgrGftgk9Gg/oat/x86/base.apk.Upkfejf1.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/5215-1.dex
base.apk.Upkfejf1.ykg
base.apk.Upkfejf1.ykg