Analysis
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max time kernel
149s -
max time network
152s -
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
10-10-2024 22:07
Static task
static1
Behavioral task
behavioral1
Sample
e1998607cb0beac818e3015d7d5dcfe44806cbf1b0c37052d1eddab770040d68.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
e1998607cb0beac818e3015d7d5dcfe44806cbf1b0c37052d1eddab770040d68.apk
Resource
android-x64-20240910-en
General
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Target
e1998607cb0beac818e3015d7d5dcfe44806cbf1b0c37052d1eddab770040d68.apk
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Size
4.8MB
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MD5
80ed0000d2e04979424a9bd69a689499
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SHA1
0376822a24566d6a46497285185cc34a58d83178
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SHA256
e1998607cb0beac818e3015d7d5dcfe44806cbf1b0c37052d1eddab770040d68
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SHA512
3d3ec9f080564a48ac6c4257d7dafb5e9ffda9471d5b18cdc99e4451c9be446e00b2496bd6e0097d412911fcac93cc765f1d90eea8ea33040d17f35c8416ddde
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SSDEEP
49152:YRsEX60dJ1IKFCj7s45iS7xrGC/s86XLjVKScPn76EngjOuQNKEwpfc:YRsmL1I8Cj7l5iSRG33VKBk2wpfc
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 payload 1 IoCs
resource yara_rule behavioral1/memory/4261-0.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@0xd58f8000-0xd597b8ac 4261 com.memarket69gpufiles -
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.memarket69gpufiles Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.memarket69gpufiles -
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.memarket69gpufiles -
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.memarket69gpufiles -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.memarket69gpufiles -
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.memarket69gpufiles -
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.memarket69gpufiles -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.memarket69gpufiles -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.memarket69gpufiles -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.memarket69gpufiles
Processes
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com.memarket69gpufiles1⤵
- 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:4261
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
526KB
MD542816b3184726db587ff088d3f6a78be
SHA1afd6f764edb662fea83562d468cefa5ce78320e2
SHA256dd4c70558b63f2c89f911a92825c998016555e9c000d824a3549fdce6aa8a247
SHA512b6f5fa247666137daae02201db2482c407112e2fb04c9be7e7f6e8f74ce4cb4dc1ca5bd5042535e1334d4f379364f19cc1789503a5b826ff99cb0e9ff74ea09c