Analysis
- max time kernel
2297176s - max time network
150s - platform
android_x86 - resource
android-x86-arm-20220310-en - submitted
03/05/2022, 07:56
General
- Target psk.apk
- Size 1.9MB
- Sample220503-jsn1tsdaa7
- SHA256 0dc975df4f929ed0422fb5c9a9582d3d5e11ab176cc3176e269b2a456d48d571
Score
10/10
Malware Config
Extracted
Family
-
ermac
C2
-
http://193.106.191.118:3434
AES_key
AES_key
Signatures
- Ermac
An Android banking trojan first seen in July 2021.
- Ermac2 payload 2 IoCs
- Makes use of the framework's Accessibility service. 3 IoCs
- Acquires the wake lock. 1 IoCs
- Loads dropped Dex/Jar 2 IoCs
Runs executable file dropped to the device during analysis.
- 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.mazocexayori.kute1⤵
- Makes use of the framework's Accessibility service.
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
-
/system/bin/dex2oat --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 --dex-file=/data/user/0/com.mazocexayori.kute/app_DynamicOptDex/UjucuA.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mazocexayori.kute/app_DynamicOptDex/oat/x86/UjucuA.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
UjucuA.json
UjucuA.json
UjucuA.json