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Analysis
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max time kernel
149s -
max time network
150s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system -
submitted
29/09/2024, 22:05
Static task
static1
Behavioral task
behavioral1
Sample
f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2.apk
Resource
android-x64-20240624-en
Behavioral task
behavioral3
Sample
f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2.apk
Resource
android-x64-arm64-20240624-en
General
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Target
f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2.apk
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Size
2.1MB
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MD5
32c53b6ff8f3f834e554321b385810e5
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SHA1
b3bd943262572ce0705fc8e478cacaa5bd62f6f0
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SHA256
f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2
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SHA512
8ee411658b8e92adabcbdfbf614caeb93f89151468d1669228415852bb909180dbd4982773d5cf0926c24f7ddbfc8f6a6b9931e321c9b049d75c41540f333ca9
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SSDEEP
49152:zkM0799ib9i7ARHg8nCUpUm4g6XGv8pyw8hrHYxEtFlL2:wM07uUuCUWpsA+hLYxEtFc
Malware Config
Extracted
ermac
http://91.215.85.23:3434
Extracted
hook
http://91.215.85.23:3434
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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Ermac2 payload 2 IoCs
resource yara_rule behavioral1/memory/4283-0.dex family_ermac2 behavioral1/memory/4257-0.dex family_ermac2 -
Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
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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.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json 4283 /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.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/oat/x86/skOQy.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json 4257 com.wiwolasamiwa.remamiri -
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.wiwolasamiwa.remamiri Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText com.wiwolasamiwa.remamiri Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.wiwolasamiwa.remamiri -
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.wiwolasamiwa.remamiri -
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.wiwolasamiwa.remamiri -
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.wiwolasamiwa.remamiri -
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.wiwolasamiwa.remamiri -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.wiwolasamiwa.remamiri -
Reads information about phone network operator. 1 TTPs
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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.wiwolasamiwa.remamiri -
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.wiwolasamiwa.remamiri -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.wiwolasamiwa.remamiri -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.wiwolasamiwa.remamiri -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.wiwolasamiwa.remamiri
Processes
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com.wiwolasamiwa.remamiri1⤵
- 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
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- 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:4257 -
/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.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/oat/x86/skOQy.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4283
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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
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
Process Discovery
1System Information Discovery
2System Network Configuration Discovery
3System Network Connections Discovery
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD57b0fb349a8229d1259eef014a9e78099
SHA18b54ae68ad3445d8604dc3c65545ccc421ce2378
SHA256c367624c8bf3c1415da0b8be37e318889fd3e2da0e7663b4671240541c4f27b1
SHA512e8b56526fe267d33c84fa3a1d0b1106dfd650369968ef9e2fe925c3c2fb40e27fe6fcb3b3a7ec48a0a07cd059451bc35e01f7579756867749378fd44aff52544
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Filesize
674KB
MD51430239d90c4327ed144c387eda34855
SHA1603a1489f4c358b8bf87cdc74660e4a82b869c09
SHA256f37b8b5f098f87294442ea894a3fe91043bfed45678540bf0fe38aa80c2bc983
SHA512c75c0c5c485da5756bd2123fe0655a5ccfab46965b22d31ab6c96c20bf98aceb7f9035f75d993e0290f3e691b584398143f3ee362400c92ecf055143ea0a0fb9
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Filesize
674KB
MD56fe1776cd523d56d09d0d5d78751492f
SHA10337efc5a8b75a1884a9d0aa351548ef815a6707
SHA2566f2eeb8cc392ca49f02d14b875687b5046162a3846b70552e65c46e0dcf0a3e9
SHA512a609e48e625ef3e61777b68971eb299696a46aeb1260413d13bff77e7ac2f19aa7f4f68fba3f5a65d1cc58d36dae8af7b056f5b9c25db748b4a6ff110846ab92
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Filesize
4KB
MD5f2b4b0190b9f384ca885f0c8c9b14700
SHA1934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA2560a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1
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Filesize
512B
MD5824d5d01c142138de6293a741f16263e
SHA12b89e6ad3ef89d9df2a1dad86ce35559aa6d9993
SHA256f4e97c0c59da80a51b8b031ef208f6db811ea1be312521bd94b17565b31524e4
SHA5121d64543440026de7feb485738fdd6e7535a95e400fc01ae462fceb34b773bc2891ce042483edba7687eb3168059bef87281ee5c32c26f2cfb3d503ee32d39b10
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Filesize
32KB
MD5bb7df04e1b0a2570657527a7e108ae23
SHA15188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
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Filesize
108KB
MD5b0b295f10766f0b59de03dcd4ce91a1f
SHA1318a132a90370857d171e3a38c63991caede8fa6
SHA2560c60c89a0836cf08e3958ce4c5fb7be9315054821d3ba1c4c4763ac6db1b1d1a
SHA512fe04ff9ab6d41eb7c056e019befedbbd26e00a5c8c20735d684d7981418a3193a006deb5b29c981cb9c43e5ddae794d44a657977158d9179c1ca3555a832ed70
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Filesize
173KB
MD5de2e03017962631e9d3494a736b6bc79
SHA180cf35c1171bf70a5acf170747e676377b9222f3
SHA25626f6bcd1677c31206ca3c1eee5aa24b4f7f034fe9eea5f026601ac1b2f9934a5
SHA512c5bf8b9e900827575c06aa3687df3cf0d343d670f55fcff94911a7b775aedaaa08fabacc5dfe58c5a069bc7b097c8a99e19fb6a1e8869b70c01ec9c7e0787253
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Filesize
16KB
MD50c15b6aef0f6a90d5175bf4cc12237d3
SHA10efb5f48f7339e753c399ec40ee952aeb3282c6d
SHA256d7b94839c8b57d472f4dbdfcba717077a979e80b387c47ff461b637cde4d70f1
SHA51242651c901fc82adcd2b38894cf325ca4d52b08eb0cfcbfc7e71a7ed7a55bcaf393e7ad12e182b21970d1bddc08d3f580dbdd138d9b883712d58276d62727d879
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Filesize
1.5MB
MD5c9fb66bf567501c7c2cadcb20dcbd74d
SHA1bd43e6234b8c13701aed88350347abf59b0f4c92
SHA25672c032a8b1982ab5978637f346ad8c0ab2fd10d06972070c3fbd92b7d58c187b
SHA512b415ef4b24b580d726d4d6033eea78de1b76396b27b78cf3e125045f99f305b454441453ae0442083ed99b65157c055fd9d664e2b11672eef0a783135c5a7cc9
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Filesize
1.5MB
MD5342a8740740fb866f441f4e1e6c5c66a
SHA1172073e7d97a040025fd2a80ebcfde7b7b65a573
SHA256264d2ce4a7c6c59353086bc006d0c7cfecdedc2d2926711cadd1543762991581
SHA512640726dbe29200cf7f5daeab8d678e2664f9e672d746f630ca5aab76d2d4e189e5bdbb2552f5650755694e744d7f310418ab30eab1ebe3cc01f7d6c4ea177461