Analysis
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max time kernel
149s -
max time network
154s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system -
submitted
28-10-2024 15:45
Static task
static1
Behavioral task
behavioral1
Sample
fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a.apk
Resource
android-33-x64-arm64-20240624-en
General
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Target
fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a.apk
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Size
9.5MB
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MD5
effc0c4df2687163b906947c7d1edcfa
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SHA1
a159f22b3f2dcc9b4610f3a5f22faf3eed5b7bad
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SHA256
fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a
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SHA512
e24290f81f59f8aa98de8739d2d277a14dcd3e3290a95c721b5bfc3b883d28262d5d583c104d0d62616bfa14ec4fd63959041c4abbc22bd8ffa301140c1a1c9a
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SSDEEP
98304:qMVUxnVKaPYm3Xc5iSRGBtRsUIacFoUHawHkhUacLQ539bCVSkBl:qMC1Ug53XcrARnITCU6FCVBl
Malware Config
Extracted
octo
https://775f953213e72f9498cb3dc26e7d5ba8.xyz
Signatures
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Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
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Octo family
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Octo payload 1 IoCs
resource yara_rule behavioral1/memory/4247-1.dex family_octo -
Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
description ioc Process Accessed system property key: ro.product.model com.hapi_calculator19 -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.hapi_calculator19/app_usage/rqbj.json 4247 com.hapi_calculator19 /data/user/0/com.hapi_calculator19/app_usage/rqbj.json 4274 /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.hapi_calculator19/app_usage/rqbj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hapi_calculator19/app_usage/oat/x86/rqbj.odex --compiler-filter=quicken --class-loader-context=& Anonymous-DexFile@0xcf778000-0xcf7fb844 4247 com.hapi_calculator19 -
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.hapi_calculator19 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.hapi_calculator19 -
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 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.hapi_calculator19 -
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.hapi_calculator19 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.hapi_calculator19 -
Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
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Reads information about phone network operator. 1 TTPs
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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.hapi_calculator19 -
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.hapi_calculator19 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.hapi_calculator19 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.hapi_calculator19 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.hapi_calculator19
Processes
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com.hapi_calculator191⤵
- Checks Android system properties for emulator presence.
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries the mobile country code (MCC)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4247 -
/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.hapi_calculator19/app_usage/rqbj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hapi_calculator19/app_usage/oat/x86/rqbj.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4274
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Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1User Evasion
1Input Injection
1Virtualization/Sandbox Evasion
3System Checks
3Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
1012B
MD586fcf676dece74635dac497dfa2e0ce8
SHA1489e161a509acf1572199695daa1dc517df2b863
SHA256b63e233f979ce26b3bee965d6bb5b923d2a8bdca023e887bb98049ab80d5b911
SHA512f399eae90fffb4cd400c6003e754a3dc51e3ba37392f1faf71081311055a31ea88ec813b7b9dc6007232dcf37e457c97cf481f1ed225a9b6d20e702a4c4af454
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Filesize
1012B
MD591e9cb5da3ca7ea4a2764c33d39bb3fa
SHA1167dc5eb884b5880a5f3641d641a477704e703ce
SHA25657f83cb67b46184a7c5eb233267b92cbb00d6c72319eea5311d06938d130a047
SHA5122017b4879ca0c5380753cb65404eb7795aef8aa07df462f78591e56ef78d82c230533302bcfd2c11d9bde0658d98fedee0f52340421de7a16b2046f98e152b60
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD59e629e1e75bd26fffad31c4e3c34898b
SHA10d4b8cf5dd6430c7a9649f3e7584731fa615703c
SHA2567be54fe8d050ae63a23ab4e38ef918b2b62c12f9a59705e6c19907ca475c2f1c
SHA51298da76429a769e1ee0a5da0d5062782da00b23e6933060c4e869490f1b1b777aebac7fd918efcce1aa7976485dfefd06b9b62ee75a71b80506d31248253ebf78
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Filesize
1KB
MD52034f3fb71f7fafad1aa220b4505c0b8
SHA182fc4ab9d71c1fcb600a880c1f71cf68118abf89
SHA256cc2bfe1440551da2eacc33598dcee115851d4564c2fdb41e003e100d1b2e7339
SHA512df9c49b3534a5dd0d748087374203fed362596bb5fcd966168057d3513ecee6fdf904d6d8e74c91abcce1f662372eab4ce31d7355edc0e0f453f3237db84fd56
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Filesize
526KB
MD53cb44691b35eaec927974bac7c1c5bde
SHA1b781dd93db17c31ab9e574717689574bd0fae908
SHA256c19a721c5d15f3d3883198ef22ab328e1db5ac1fcda7fadd2eff20975623c247
SHA5124894b25acfeebc309fef16630ad8abdbe8f27ad2b1af2082b7cbe6a00c3c07ce421bf0e02a83b1ea0acd8e026e98feff5ccca76564a0c974b2d22319753da76c