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Analysis
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max time kernel
41s -
max time network
152s -
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
10/02/2025, 22:02
Behavioral task
behavioral1
Sample
830efbe9a2899e1adf3d40fcb0dfaec8cc89d07c92e18b90d87112eac255bce8.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
830efbe9a2899e1adf3d40fcb0dfaec8cc89d07c92e18b90d87112eac255bce8.apk
Resource
android-x64-20240624-en
Behavioral task
behavioral3
Sample
830efbe9a2899e1adf3d40fcb0dfaec8cc89d07c92e18b90d87112eac255bce8.apk
Resource
android-x64-arm64-20240910-en
General
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Target
830efbe9a2899e1adf3d40fcb0dfaec8cc89d07c92e18b90d87112eac255bce8.apk
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Size
3.6MB
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MD5
e1270ad153856d5da18475a8d66d8f6a
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SHA1
58d3d0787b3fac032fe720aa5d6ff5dbb952e6d5
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SHA256
830efbe9a2899e1adf3d40fcb0dfaec8cc89d07c92e18b90d87112eac255bce8
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SHA512
37502893a533e118be381c495ba20d0afe697d1d1cd4cf2ddfad728fadbb643566edf50fe003fc72e138af747780ad6cab05d61ddcc687a7f459fb232a0db9ad
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SSDEEP
98304:9THO/BEMbzWKw70D4bGakHAtYQH3zMRk5+9rsq6NovHw615xI:9THO/BRfWKK0DJHAtY23zlEBsqOt61I
Malware Config
Extracted
hook
https://ws.extrawol.top
Signatures
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Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
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Hook family
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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.tencent.mm Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText com.tencent.mm Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.tencent.mm -
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.tencent.mm -
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.tencent.mm -
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.tencent.mm -
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.tencent.mm -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.tencent.mm -
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.tencent.mm -
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.tencent.mm -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.tencent.mm -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.tencent.mm -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.tencent.mm
Processes
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com.tencent.mm1⤵
- 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:4222
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Scheduled Task/Job
1Defense Evasion
Foreground Persistence
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
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
4KB
MD5f2b4b0190b9f384ca885f0c8c9b14700
SHA1934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA2560a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1
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Filesize
512B
MD5acb99620b0560ecdc1327c6a4a07f8ef
SHA1ee11bf01a3daa2f0b63794036f583c62c62a716f
SHA25657eb38c8f39364c5f3f62776fead2675d30befe64d8ab6caee231fdfff698bac
SHA51267115703e75d28e8e5040e65dba3a9fab1f5d18186338ec15b201d0e89c607753a993e73b21a65ce3f3ca7d717e2db2452658aa15c5d0356b3abc2de443fcb80
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Filesize
32KB
MD5bb7df04e1b0a2570657527a7e108ae23
SHA15188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
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Filesize
16KB
MD5dd239d38166a335729ba11d4d2ae8aeb
SHA1c360fef7c50ddf84df34a586894011a5f62f2f43
SHA256aabd1e6e6f854e61a0d4ad062eedc46e1c69751153e25eb22aff824a2f2dc0ac
SHA512d0bcffe4379526b99cdd8d2d10b1ed8cbb1821d4ca171cd02cea7bdb9bf9ed4b9bc46d00056512ca77270c5ecb08f2c0a32fa9d61967a6284518a64b2505379f
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Filesize
108KB
MD54c743766be5c7218197c8122ded34733
SHA193a57ffd2770c7669e0b24f93f939ec59e445695
SHA256efa64f5a9b13cea3117e2c3fdef0c0ff228d7b6be8b37854a2cf09ad2f4429d0
SHA512a5115b82c5b48b9635166333a5ae5189ac8fb63929640080ece778876a5b713eb8255fbebb9301716286605dd2ab45a2eebf834509b77e94e37b5797f37cec06
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Filesize
173KB
MD56160aba24a823b98da5975cdbfa0559b
SHA1001898d482c74e31c9b0365b91db71e50f509daa
SHA256130ec8b718f0ec7f4c3adfb866e34e79f28caeef3e15dceec9cce1def9a6cf4e
SHA51264d691d2c719ba452a47d38198504b22086066058a267be51ff02deaf7aaeb3067fb15338737e601719e4b884886189fac0ba408170c73af2b768a3fcf1ca802