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Analysis
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max time kernel
149s -
max time network
157s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system -
submitted
12/12/2024, 22:02
Static task
static1
Behavioral task
behavioral1
Sample
87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4.apk
Resource
android-x64-20240624-en
Behavioral task
behavioral3
Sample
87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4.apk
Resource
android-x64-arm64-20240910-en
General
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Target
87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4.apk
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Size
3.0MB
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MD5
b902e6eb2050769aa1de411f4395e008
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SHA1
03f43237468e7324b18e0f3cd78e3f7d6117d6f1
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SHA256
87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4
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SHA512
5bd9fc658428cf697d1f95976c8ac314e4c9f5c3b5a1394a57ebb40f0b071012b2ab946473614f34b35688ad1cdf1dda5239f7bb1b9d7afea32a2e1f4da6a698
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SSDEEP
49152:cuc17q9AXlFCorNoi7rgIIl1E38hchqWrqcvWb+BTgHNRg8jIB7aihmm1HhMt:GxXqoB9608yhjecuO0HNlhcr1BMt
Malware Config
Extracted
ermac
http://154.216.19.93
Extracted
hook
http://154.216.19.93
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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Ermac family
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Ermac2 payload 2 IoCs
resource yara_rule behavioral1/memory/4275-0.dex family_ermac2 behavioral1/memory/4248-0.dex family_ermac2 -
Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
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Hook family
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Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json 4275 /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.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/oat/x86/WsYunp.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json 4248 com.xskjlrfapapkaraglzakasd.staretxjk -
Makes use of the framework's Accessibility service 4 TTPs 3 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.xskjlrfapapkaraglzakasd.staretxjk Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText com.xskjlrfapapkaraglzakasd.staretxjk Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.xskjlrfapapkaraglzakasd.staretxjk -
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
description ioc Process Framework service call android.app.IActivityManager.getRunningAppProcesses com.xskjlrfapapkaraglzakasd.staretxjk -
Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 1 IoCs
description ioc Process Framework service call android.os.IPowerManager.acquireWakeLock com.xskjlrfapapkaraglzakasd.staretxjk -
Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
description ioc Process Framework service call android.app.IActivityManager.setServiceForeground com.xskjlrfapapkaraglzakasd.staretxjk -
Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs
Application may abuse the accessibility service to prevent their removal.
ioc Process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.xskjlrfapapkaraglzakasd.staretxjk android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.xskjlrfapapkaraglzakasd.staretxjk android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.xskjlrfapapkaraglzakasd.staretxjk android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.xskjlrfapapkaraglzakasd.staretxjk android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.xskjlrfapapkaraglzakasd.staretxjk -
Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
description ioc Process Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.xskjlrfapapkaraglzakasd.staretxjk -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.xskjlrfapapkaraglzakasd.staretxjk -
Reads information about phone network operator. 1 TTPs
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Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
description ioc Process Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS com.xskjlrfapapkaraglzakasd.staretxjk -
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
description ioc Process Framework service call android.app.IActivityManager.registerReceiver com.xskjlrfapapkaraglzakasd.staretxjk -
Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
description ioc Process Framework service call android.app.job.IJobScheduler.schedule com.xskjlrfapapkaraglzakasd.staretxjk -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.xskjlrfapapkaraglzakasd.staretxjk -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.xskjlrfapapkaraglzakasd.staretxjk -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.xskjlrfapapkaraglzakasd.staretxjk
Processes
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com.xskjlrfapapkaraglzakasd.staretxjk1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4248 -
/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.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/oat/x86/WsYunp.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4275
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Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Scheduled Task/Job
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Access Notifications
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Process Discovery
1Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3System Network Connections Discovery
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
736KB
MD5795397719d1e1bd545fda82b5b9fbfec
SHA1b5252d2899c8e93f33b0ff4b9e510a4a940ad784
SHA256fed69a958cf0bf3b5896c6f92c7cfa4596f0a54085e18b6faf5f40b4a6237395
SHA512e814be54d1b79aaec6c8d083a94c2e22b5baf8ee3bded1cc58c7c4e67232dd43f21cd13a98f89d19cd3f9e7615acb1a2d9327a466025788555a393869e8a1f97
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Filesize
736KB
MD5dfd48f4a84a0dad508ea5ccfd704ca7f
SHA190b6a027bbe702ce0e26adbe507889165bb96041
SHA256afd9a023668cd29adea5c60646f5fea0d3b31afca301f5ded8cc9aea1d1d1c1e
SHA5129250bdd92c8917620ae0601ca3a1d12b0a9893dfb00f096e4e1775af76593f9327da35e30976715482cdb897d7d543d6dfd275c3001f61a648108db0bb356d48
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Filesize
2KB
MD521fe0857ddd1fc5dfa0fcad2d47bbcc1
SHA1b70dc6c72f086109f79e66e8a19fcf3380e44bac
SHA256a828ab00c8a335ff6a38430cdd0d8eb1f13f0ec6f3e65a4ad1dc190f09d1f192
SHA5126182413f1ea5796af4eecc4e4b143734f88849461fd8ae68e829a21f62feb879659de9cd9d57924d9ceaa7771d2b4b8637dbcebdb7c8e0d26157164fe23beb98
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Filesize
2KB
MD57f8ea9d7a5f692d7159704b9910928c5
SHA14ee725f94f029de95f8d25a30d34eb3df4322f86
SHA25607baecf919962a7acf747bc55687cb3ff8feb354d3ca3feb133e151750232fb4
SHA5120e515b77d530c2e883ac44ce6716752817793ae6528ac9a007284fed9c803221300c3585631083ae07834b4a0a6b297b4da5ae0ef2c54ec745fb1c5c01ec31a2
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Filesize
4KB
MD5f2b4b0190b9f384ca885f0c8c9b14700
SHA1934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA2560a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1
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Filesize
512B
MD5ca88ac57b9b4f040567d86fa5442dc0f
SHA12fb78ab08c2a8ef2892893d748fa8ececdda589a
SHA2564a35375ee3e0b758fc5b0c00e8b386b4aba4635b552b031ec3f52c1734f97b85
SHA512c74d03f3d9c31016092a5ca48848398647ff899d9bbc694730a65e535d6b9a6627e765850ac192c48eb720af8bfd338d137a3a3b7541b73c426fd3b5a533373c
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Filesize
32KB
MD5bb7df04e1b0a2570657527a7e108ae23
SHA15188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
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Filesize
108KB
MD57d4c04a15c7054ccc51b7fa78cc9afe9
SHA16808d7bd7f09cad1aa053f6e57e67ad155356109
SHA25614a16a9c359c68c7f291a7fb1a008ede3e99422220d59cc8b0939c3a62b2723f
SHA512bae0a5253625715ba3e2f1dbcf00b5da5dd0118f4f1d917b162a3acd96203d2f5182e1ea591986ed6ac89b21354e82340694ae5130037340aba8c4ac7e183703
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Filesize
173KB
MD513f410d7af3681a1d385396d1a235317
SHA13ec994589e473dfdb0a3657e1dd9b3a4e7f3f05d
SHA25678df5b9d9b7871df303fe9fad52172822debd842a65a8f2903a7118d292dd7ce
SHA51299788b9ccc7b6400708db8539f64f9c9a9bdf317f5663cbf826297a7d94e7196ca033e76befe8d2a0ed5680f67501f434dc8211d65086f159e7644ce7f727d6d
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Filesize
16KB
MD52ebcb69d7b27e69822ae3b51230600ca
SHA1d11b67222bd8a46ccf796a7cb34d5c10dcd4d0e3
SHA256520e6f77a704b3d07aef86dd530d38e0ce6b4f25414c6f11a60e4cf70c2a05f2
SHA5126407fc11122331840991ee23c699fab1f2357f8953991ac4001c1d4933de596b35a256f9533daacc56447818576deaa5dda5a794f1324e99e540522dc92926d9
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Filesize
1.7MB
MD5d5af1f4c1e4fdc647f05ff82e81a0d63
SHA1e2b3d20613170c37ed33d09075b85a77d6ca94a3
SHA256dbf1787aecf19d4c08af8dd7fd631f1252fab194c25a4efd376a3dd6a715bd64
SHA512f1450c99d9a1a547571d15f4498fdf8dc0a537af823718f61b8dd5cc10f2919819f8c0684845da1b134f7a9f8a263cf4a78afe095066e9acaa19724f19e878e1
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Filesize
1.7MB
MD5ffcaa9e688b50ccf1b005883919c9c74
SHA1185fad91d59541ab6f803f597a6211e175bdf954
SHA256d60b15bd863a547743f5862075f3bfc4faab3588775ccf345b40ac8f0f6ce767
SHA5129666de529f3fe843c252c489662bac2f54270dcbc10705abcfd68f808e124f7fa58fcd7509f574df56420f5227c2d132dacf41ba1b4e8efe05373c4f21ff2299