Analysis
-
max time kernel
129s -
max time network
151s -
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
11-09-2024 22:10
Static task
static1
Behavioral task
behavioral1
Sample
c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263.apk
Resource
android-x64-arm64-20240624-en
General
-
Target
c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263.apk
-
Size
1.7MB
-
MD5
7bda64a406ad69de1d84abe9a6ef5bb7
-
SHA1
12bba2297584da061f0e47c54e702c280c613363
-
SHA256
c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263
-
SHA512
8635978eb7009859878f57d70a1430ec76f82c49480d858e104719c747476dc473166d37010f4f5df13ae80e7faf6f94865b35aa625102c90914bab88cfdd0fd
-
SSDEEP
49152:o8w2m+iqJer293Z6DoipFMtdy3uFD6sXfL1qemfWhLXb:oOm+iqkoB+K7XfLMem+9
Malware Config
Extracted
cerberus
http://80.87.195.45
Signatures
-
pid Process 4275 com.discover.robust 4275 com.discover.robust -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.discover.robust/app_DynamicOptDex/Oqhf.json 4302 /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.discover.robust/app_DynamicOptDex/Oqhf.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.discover.robust/app_DynamicOptDex/oat/x86/Oqhf.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.discover.robust/app_DynamicOptDex/Oqhf.json 4275 com.discover.robust -
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.discover.robust Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText com.discover.robust Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.discover.robust -
Queries the phone number (MSISDN for GSM devices) 1 TTPs
-
Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs
Application may abuse the accessibility service to prevent their removal.
ioc Process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.discover.robust android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.discover.robust android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.discover.robust android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.discover.robust -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.discover.robust -
Requests changing the default SMS application. 2 TTPs 1 IoCs
description ioc Process Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT com.discover.robust -
Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
description ioc Process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.discover.robust -
Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
description ioc Process Framework API call android.hardware.SensorManager.registerListener com.discover.robust -
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.discover.robust -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.discover.robust -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.discover.robust
Processes
-
com.discover.robust1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests changing the default SMS application.
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Listens for changes in the sensor environment (might be used to detect emulation)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks CPU information
- Checks memory information
PID: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.discover.robust/app_DynamicOptDex/Oqhf.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.discover.robust/app_DynamicOptDex/oat/x86/Oqhf.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4302
-
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Hide Artifacts
3Suppress Application Icon
1User Evasion
2Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
35KB
MD5f1eb8aa2274b26bc08ce5131f43390c6
SHA18123c3018ce6bbff86f4c720798543ed64e87255
SHA25607c8e939ed14c98ead8574149b73464b8fff1c5ca0415ab2bc824d10ce0f1581
SHA5125ed42e56ac41c443940b0545b5f7fe1024e5de118f0ab157f1828f7952fa62fc19da489e9d5c863f55a8175cd52d98bd556a4535cfb417ca93c4b70aea10808a
-
Filesize
35KB
MD5e2a814022c1d7fa66a38b1406a0130ed
SHA133dbce9df64df78a354e1470d56f347fd1dbb227
SHA2566be9ec6f17d525efb65c16f4db0de01b21a1befaded8a85c5eddf05fa316f5fd
SHA512c1cc496233569bdbcd80b9d82184ed2ff52a0fa6172fb83a3ab67600f76f02eaffaae236e31e29ce4e7557f8194e0f210b471a49596968aec70f8fc3ab43af89
-
Filesize
225B
MD563a5ae3cad98b5d084dd5f7f0782b9e3
SHA182b9e0adcbf41c1b8261efd7b3b826617417cbf9
SHA2565b16921ed7485c9df7ea95bb713f04c5a01e1620822de7ff20bf94bcc15771e4
SHA512552240286353120c746040b97562742db60ed63af09e1a2951c2436f3ece2d5bb106239d35961404f63632dd71b6e1a2744254a860f143084a9d5d752c21fe33
-
Filesize
77KB
MD51e3f09968496f735650dfb5ebfbc0555
SHA18f4fcd4795d7c654a4947f3d59d3a21c3622f418
SHA256adaa14124e0ca10a1170a0c62c74e661e7f846ec791cb9ac3f3cb3f147aa0678
SHA512d4794c796038a5b16c159c1dd800a9f8594adf15ea8f41157d4afac5af5d7baee718529fa2fd3101d6c30cc333945c921dfc352770e3263eec7d6f4be3849a35
-
Filesize
77KB
MD51c1804316a214e9224806f826b10046c
SHA1d28c6e775e47171eebbef8ac2b27c788c8c136fa
SHA2565868eaffe0d1cdae5f65c64e5d90d045cf394fc4a7e4241e87dfb048034cf289
SHA512c5d31f0e3e35657a66cc1f2071be37c47a404557a4f0c06f42f857994934e6372b0606b12293372f250bd91cff050dbaecc909aa6251971c06f062b50f5ef423