Analysis
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max time kernel
40s -
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
16-12-2024 22:35
Static task
static1
Behavioral task
behavioral1
Sample
a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21.apk
Resource
android-x64-20240624-en
Behavioral task
behavioral3
Sample
a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21.apk
Resource
android-x64-arm64-20240910-en
General
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Target
a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21.apk
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Size
1.9MB
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MD5
99755c7fcac1dac8d576ca86fa80f6c6
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SHA1
550691fce8fc6ee46963672c6a4642401764d7bd
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SHA256
a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21
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SHA512
ceff2147db4738f247120612c42e273445a777f4b98693a1fd2d6924b1313b566cfe1dab162c174dafd468462046fec524215f4f242b356777e72bb2221c60b9
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SSDEEP
49152:sh866i3Z5U0yig7XzrEXNq0wi0J0801XNCPE8Y3qiTYcl1dIpkJmRF579:CVpZ5UCH3wvE8kqMc79
Malware Config
Extracted
cerberus
http://5.161.217.34/
Signatures
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Cerberus family
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pid Process 4389 com.kiss.lesson -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json 4431 /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.kiss.lesson/app_DynamicOptDex/KqjBjOU.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.kiss.lesson/app_DynamicOptDex/oat/x86/KqjBjOU.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json 4389 com.kiss.lesson -
Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.kiss.lesson Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.kiss.lesson -
Queries the phone number (MSISDN for GSM devices) 1 TTPs
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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.kiss.lesson android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.kiss.lesson android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.kiss.lesson android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.kiss.lesson -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.kiss.lesson -
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.kiss.lesson -
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.kiss.lesson -
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.kiss.lesson -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.kiss.lesson -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.kiss.lesson
Processes
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com.kiss.lesson1⤵
- 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 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:4389 -
/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.kiss.lesson/app_DynamicOptDex/KqjBjOU.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.kiss.lesson/app_DynamicOptDex/oat/x86/KqjBjOU.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4431
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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
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Filesize
54KB
MD50a37ad2e4b08c779b6b5394b62558004
SHA1d6bb04e4f3f7c5b6d63dbd88d0356bd4da4824bb
SHA256e5e6fa459eb49deb6404f7f0ef11c44123f4ac849a69de8ec9b2aaac4bd26e5f
SHA512c1e83ac84405868fda0b49c128992c8b7dccea3360aebf34f51fa6f7d132feae1683cbeae8eb7f105e02186744a2228b51118c9e505cc71338278c337b92d191
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Filesize
54KB
MD5eda7acbea8ffa9aed628c9a0d5ef46f5
SHA16a1f31ef9050e63e2b37398600171944fd19c828
SHA2561247066411d4cefc353508c8a324a846f0d96beff0ab63abe5452e4ae7f7b1fa
SHA5120ce386bc52763f8f0c0b26d1d0ea21a1c8156ebd8adba941ca6635640e34891a76e96d6fa6ef748b20d66d3bb9ffa64e42ae41bf891253df0afd974eb561f3b5
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Filesize
103KB
MD5b49b9bfbbef6c79252d7889343c4c261
SHA13b0ab234a0346c228ad76dab764e6363fd53c094
SHA256739e6ae135b74189598e1414a70963929613e75eb063bb4ad14e35e2d037d92a
SHA512b2c8262a7b0aebe7c5fdc35b322598127eac8d0abfaf92ddf41622d3d3beaed94650a837b0da94ea0cd416babee7c1da7b1fb4c7c0b378f2e2b0b3a56252e5ec
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Filesize
103KB
MD52597967b27a832a4a0fae00c3bfec0c8
SHA1964992e5b1e5858a12fe78ba0cc97e7f8c43e47d
SHA2564bcf149f3b76df0ec62c90580633925436cd7dddf30b932c99fdedfc26bf4b32
SHA512809eb84ffec82d59eeb6b60c9ad80e32c08a7e7b68706c8a7fe5f13063149234813f64629766c4f768cf8fe9a6bde8ead1e1fceff0a3f8bf123844cb7970a0ea