Analysis
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max time kernel
21s -
max time network
33s -
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
08-11-2024 12:46
Static task
static1
Behavioral task
behavioral1
Sample
4add910bfcc54435ffa34950cff22186dcb1f0b5b12360abef6eb00f7729cd64.apk
Resource
android-x86-arm-20240624-en
General
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Target
4add910bfcc54435ffa34950cff22186dcb1f0b5b12360abef6eb00f7729cd64.apk
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Size
4.8MB
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MD5
d191c1e8d213d84598355b5e23abc7e6
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SHA1
f7c3b2ada6a22fdc98ab9fbfb3e79ad18c54d641
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SHA256
4add910bfcc54435ffa34950cff22186dcb1f0b5b12360abef6eb00f7729cd64
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SHA512
c4f0d28e25166d4cc74c1f63625a77db9a937578757163c0f8badb44d696422c6e6491efcea3078508b8453f1c88264acd994c7b5512e0c09e4af240e630d238
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SSDEEP
49152:IRsEXIUvwnOKhFj7X45iS7xrGrv70IUdjVKScc5xrFr6NfeTOVtYk/:IRs4YOYFj7I5iSRGAVVK+X6N/Wk/
Malware Config
Extracted
octo
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/4256-0.dex family_octo -
Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process Anonymous-DexFile@0xd0078000-0xd00fb4b0 4256 com.fontbacke99 -
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.fontbacke99 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.fontbacke99 -
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.fontbacke99 -
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.fontbacke99 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.fontbacke99 -
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.fontbacke99 -
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.fontbacke99 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.fontbacke99 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.fontbacke99 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.fontbacke99
Processes
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com.fontbacke991⤵
- 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:4256
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
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
525KB
MD531681f5e533e16698ccddcc944498641
SHA162d94f7329dfccd8cccba26e407f6c778c51f656
SHA2560a3ef88e92c26c3fc0bb1104e89c024d9cbbc2ba118ffab1ec69d37b7baac87a
SHA512aef949a18b8a5c13817a86f9648a495ea47e45edd9bb7e56a0effc10bc83450d50b6d976fd6b9a9035b73b1ee699a93032102cadad1a32372833c2d17c713cde