Analysis
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max time kernel
4s -
max time network
158s -
platform
android-10_x64 -
resource
android-x64-20240910-en -
resource tags
arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system -
submitted
14-01-2025 22:00
Static task
static1
Behavioral task
behavioral1
Sample
d737684b6156515e514a6f597c9620a0d061277575d9c48c1f55835f1e079126.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
d737684b6156515e514a6f597c9620a0d061277575d9c48c1f55835f1e079126.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
d737684b6156515e514a6f597c9620a0d061277575d9c48c1f55835f1e079126.apk
Resource
android-x64-arm64-20240910-en
General
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Target
d737684b6156515e514a6f597c9620a0d061277575d9c48c1f55835f1e079126.apk
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Size
3.9MB
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MD5
72a6aeea26ea33ae2b8923d3856a801b
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SHA1
36e5f387d872c9028a90411c9c30e25624dae899
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SHA256
d737684b6156515e514a6f597c9620a0d061277575d9c48c1f55835f1e079126
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SHA512
fabfc6fad883a9f3cf55b33bf294fceeb40ceff0a168f0369908a895f39221a6655a5bf0496d7ba048080dda63d0ee2b2f1c33afb6d0d53b23aaa511df827b51
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SSDEEP
98304:oukWVyz6KnYkzdjkmrhNmTS8mOJWpNX49jXvc3crTS9ymVAK2PC:WnkWEZX+creLVoC
Malware Config
Extracted
ermac
http://154.216.18.137
Extracted
hook
http://154.216.18.137
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 1 IoCs
resource yara_rule behavioral2/memory/5068-0.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 1 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.zzakasaslkasata.kuri/app_endless/uaibtD.json 5068 com.zzakasaslkasata.kuri -
Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
description ioc Process Framework service call android.content.IClipboard.addPrimaryClipChangedListener com.zzakasaslkasata.kuri -
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.zzakasaslkasata.kuri -
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.zzakasaslkasata.kuri -
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.zzakasaslkasata.kuri -
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.zzakasaslkasata.kuri -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.zzakasaslkasata.kuri -
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.zzakasaslkasata.kuri -
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.zzakasaslkasata.kuri -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.zzakasaslkasata.kuri -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.zzakasaslkasata.kuri -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.zzakasaslkasata.kuri
Processes
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com.zzakasaslkasata.kuri1⤵
- Loads dropped Dex/Jar
- Obtains sensitive information copied to the device clipboard
- 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:5068
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
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
736KB
MD5df301e2d6275f351d221c47fed6c7412
SHA1e24fc3dce03c65499542a8d0e2295ac65021d7b9
SHA256e78003c54f8fd4a5b75166035574ba8999aab0079752048a0bef1890bfb49f1f
SHA512846d38e1b60b88c87bec31dd090631e86000c3cc71eaaeeb7f568cfc10b73778e3b442d011a3572ce7457cb1790afbf0c1505f28f2f587fc7227852b16d5a90c
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Filesize
736KB
MD5cd089eeda4677736262eee655f7e06df
SHA122d41f4d771dde44e3b05bbd2f4f56e11d6e7c53
SHA25698324fdeb1e6a8e37a593a977685a13bf37afce5b593e43904733c45dab71ce5
SHA5126110f58b83f680727ce691973a8b59e5558c827312448c53e4cd50d64015424ca3840ac61035c88a6da59bc9c8775ea699c94f6a5ed9fd0e42a34ac837840597
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Filesize
4KB
MD5f2b4b0190b9f384ca885f0c8c9b14700
SHA1934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA2560a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1
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Filesize
512B
MD50d52747c62921db0ded12580b7516ff7
SHA1d2b63c1653257d2a862be4ebb16d3adee4fdcf7f
SHA2569381174010a798c5003c84d8ccff0a2cc509c0cdaece546ad8617a93ac273e8b
SHA512856bccc1b9230d77f10559f72386997af3a748ff2edf0247a8325634d44e19c54fc2fc6d54b547a350f11ce5d809e37d0110b518f5ba50570b6b2bc6c778df72
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Filesize
32KB
MD5bb7df04e1b0a2570657527a7e108ae23
SHA15188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
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Filesize
16KB
MD5b0ae0dccdfcccf08d317eb31c88875ec
SHA19665087ccf1283a42bc264a46f2b09aaddac2830
SHA256cd6d383bb03c0ee2d799e4343cf2902eec9f0ba9876b8f269dca8eccc528cc40
SHA51212d092b660e7133dffb843ae30b02f382781a89c9595b6b6b01711ed2ab0953a5230a7744ccacf345bb6b689d528315288a612b3f670ae6e3a8c9c71426ff98a
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Filesize
108KB
MD585282452930068bdd1f84859f9e86826
SHA1602507b564fd3381226e6d82304e811f1d5def0e
SHA2569f63c9bd99f664e7a9471a2ca60b0dbd8236b6aaf0cc3d9d6e7914a2217cca50
SHA512bbe68d03a8423d00d9e38a27cfdff361436a0597c43dfdd1f927d3163118155d5d605e7506f6e4c3dfca34ed8605490910bfcbecdfa4a38a5bb3bb0541cd067c
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Filesize
173KB
MD5d2b663c49b5b5936e57e76b80c07db3c
SHA1d07e21aecd71edbb96b3403d8ba09db057fcba55
SHA256a9d4e2ca093b0af480b585cb93e1dd0a91e8ad9e116f933b2e7912b561594309
SHA512858c04ebcc5791bfc8854639c0796e20be49475944a77ad01563717f31714722de123008ac76a56109869d6710c7e4264f15601ab1c0a8ae1a1c4aaf1f296d91
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Filesize
1.7MB
MD5ea657f9781e93adb8d59aba349202c0d
SHA18e8b1afa3f11de95936552ddd9a2ee4743e61aa2
SHA25632710fa4980540ad0d57306097deb599a84e1baa5535a6176cf6aa721d24802a
SHA512db85f132ed681a078d6189ee13d2136c031f60a0cbb3f1167353027640b11c0c1384d6a5405dcdf5c7a9c4160093decda0e544dd86cf74752a6ca32cd6993209