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
01-12-2024 22:25
Static task
static1
Behavioral task
behavioral1
Sample
eccd4ba9bdfb75b251a1aa4806cdbf8fe0b7cdc5484fb947cef9a27babcd394e.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
eccd4ba9bdfb75b251a1aa4806cdbf8fe0b7cdc5484fb947cef9a27babcd394e.apk
Resource
android-x64-20240624-en
Behavioral task
behavioral3
Sample
eccd4ba9bdfb75b251a1aa4806cdbf8fe0b7cdc5484fb947cef9a27babcd394e.apk
Resource
android-x64-arm64-20240624-en
Behavioral task
behavioral4
Sample
base.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral5
Sample
base.apk
Resource
android-33-x64-arm64-20240910-en
General
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Target
base.apk
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Size
7.3MB
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MD5
6ba63165d178c0aeadeef079830325e2
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SHA1
a4c89403a1861bfae029d96a06b8d0619f1622e5
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SHA256
42529136e8318368be56956fdcaabcbbbcef359b918bdeaac27c6fb4c3bbdb12
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SHA512
a0fb3188e47d6e58e79e645431f46c496818653e55f3bc36a1c6394f197f559d2d8738542ceacd9f5f5288924852c8bc9cf0200863a0067ebe043e3ddcd5cf6d
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SSDEEP
98304:+Lpc5iSRG8zVKvzWRNGw1dsTtx0j7VRsUOAt:2pcrFUbWRNGw1d4t6j7VRiAt
Malware Config
Extracted
octo
https://156350786312d7feba2b1c9b7577097b.com
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 behavioral4/memory/4263-1.dex family_octo -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.ui_restorefj2/app_fruit/KXf.json 4291 /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.ui_restorefj2/app_fruit/KXf.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ui_restorefj2/app_fruit/oat/x86/KXf.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.ui_restorefj2/app_fruit/KXf.json 4263 com.ui_restorefj2 Anonymous-DexFile@0xcb897000-0xcb91a5c8 4263 com.ui_restorefj2 -
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.ui_restorefj2 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.ui_restorefj2 -
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.ui_restorefj2 -
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.ui_restorefj2 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.ui_restorefj2 -
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.ui_restorefj2 -
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.ui_restorefj2 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.ui_restorefj2 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.ui_restorefj2 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.ui_restorefj2
Processes
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com.ui_restorefj21⤵
- 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:4263 -
/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.ui_restorefj2/app_fruit/KXf.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ui_restorefj2/app_fruit/oat/x86/KXf.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4291
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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
2System Checks
2Discovery
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
1007B
MD5e866ebc35118a0ec541a9617cde85fee
SHA11c5f4ff390f117980410a571c3c64b21d8aa13b7
SHA25600871c9170187d98fd354ca845cf147563506d511a904e87e6b6b72e70a2b91e
SHA512ffc077880910aab4664e5efce934711ecf0f3a079db2d3e2e71569f3df3bf7a5b594914869faf86c2aec85ca6889a8176ae8ea371d55372da1c1311773b90e27
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Filesize
1007B
MD523f29f231eafad64d5d864f24e9d994a
SHA1b4611c05c68cdcb36bb61f7bf20ed9f2e55e2717
SHA2564fc9fdf12bebe86a409b53a47d31a3cdc71b45e891d1e91078bdcef52d39dc6f
SHA512118ae520f0fc32792808645f15608f5afd88fd0b56ee2f673cc0356c299b43a02785d26d28feb834d84fc40bab33be2b07b280dea8ae02c15b19fbe87ef4c695
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD54dd18678f957d9025dce9b6970aba5ad
SHA1289d91635857e22caa0e3977973bbc235f0a9c0c
SHA256a77f19d34a4fb356a208c362311f3e53546b78c40a413af88ca346478a4ef07d
SHA512be8ae96fb393868ea1f27cccdcdc118ad91759cfdd4630f575087c9d587963c302192e97cd3e8f413e5bc1e86f3458b49b156a455f631251929b9a00f83bcd37
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Filesize
1KB
MD5f3e76f18e039d5eef139af80773a1570
SHA19a9491c3f3fdf7e742478fbd0290df32e505a745
SHA256d2749189b2f1223b6e6d530f6fd6a515d0f239f47d85e370dff54abe101a83b6
SHA512e1480feb66b5a7aa8d0242323c2535abe837277a71a6cbf361fd13da39abeadd2f339696b4d4e4b2d7476cd5e5ee026ef2738d6a887cdfba1a92bd69b6006cd1
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Filesize
525KB
MD59b66e4fca12720b9035d1075de928fed
SHA1273a32c475f96728c350c9c96beb21f0587b6e57
SHA256acba25d2f5ce7ccba7966a75d083c9e98f60b0161ea431d146f8482b5ff337e8
SHA51227630b5a3cb375dcc5a6824d37cd33aba3fa4930ce11fc0581f037d05b18a91e5a4c69da9386162baeae84f1ae4f96dab005fb5719fce0a912f6cd5b79c575eb