Analysis
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max time kernel
20s -
max time network
31s -
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 15:00
Static task
static1
Behavioral task
behavioral1
Sample
3c43a79c2edff87302f41f779878a398dc9396a8e618b3366e2ede131cc6bea2.apk
Resource
android-x86-arm-20240624-en
General
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Target
3c43a79c2edff87302f41f779878a398dc9396a8e618b3366e2ede131cc6bea2.apk
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Size
4.8MB
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MD5
3e267892da1be5861b8b03949aa60315
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SHA1
aeb9e34164bde98d974bf4ac865f5a62456785d1
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SHA256
3c43a79c2edff87302f41f779878a398dc9396a8e618b3366e2ede131cc6bea2
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SHA512
723c5d93944c77bd85b5b19b6ce45ddda3c86a9204076bcaa3d09183bbc9a43c82c933389a3558f8fb466fa50d42f39642e3693c9d4d84ca3ebe5bf2df204b48
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SSDEEP
49152:eRsEXBYCKGTj7n45iS7xrGhD4i2BSjVKScDmc17zikEF+2OWPp1:eRsRCrTj745iSRG2sVKpkutWB1
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/4218-0.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@0xcff78000-0xcfffbc68 4218 com.scribepersonalization_easy82 -
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.scribepersonalization_easy82 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.scribepersonalization_easy82 -
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.scribepersonalization_easy82 -
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.scribepersonalization_easy82 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.scribepersonalization_easy82 -
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.scribepersonalization_easy82 -
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.scribepersonalization_easy82 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.scribepersonalization_easy82 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.scribepersonalization_easy82 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.scribepersonalization_easy82
Processes
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com.scribepersonalization_easy821⤵
- 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:4218
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
527KB
MD590ce41cdd0915abc0df616772465020c
SHA1302e84030c6de8514ed615a56ec7c3116dbc8fc4
SHA2563a1f7908dba68c28ae2d799f0745940888422fa68e4b4f8d1f612035bd639231
SHA5124cf33e33ff2fe8c364569e3fa8d4779b39cfb09fc1f51b8ec49a5dffc8434172332d2a81ecde373ce3df858828cf1af0ef79d1eb1bbd3860b84fc2cc437f2b1d