Analysis
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max time kernel
17s -
max time network
28s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system -
submitted
27-11-2024 23:18
Static task
static1
Behavioral task
behavioral1
Sample
7fce3f086c8d51805b6236e6ee0f48819355b67b0c6aaa3e60dc43286d13e575.apk
Resource
android-x86-arm-20240910-en
General
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Target
7fce3f086c8d51805b6236e6ee0f48819355b67b0c6aaa3e60dc43286d13e575.apk
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Size
9.0MB
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MD5
ab2f224a9be6a2fca353a6b7e71b6eea
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SHA1
3935fb2a5a05fc0aa9873b00ac697426c83c8b69
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SHA256
7fce3f086c8d51805b6236e6ee0f48819355b67b0c6aaa3e60dc43286d13e575
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SHA512
20eb92bb5d920fdd9cf69d95f9d6c21905b356592057dcf6892645118d41cca362fed05a4b0b38707aa50a1f8f3c1f78b535900175a061d0cb542fefd6c73ce2
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SSDEEP
98304:nypWVKZBH/j7n5iSRGTaUC4AVx8RsOJQRlQz1NctE4apfDDJUb2hVt+4HY7YnfMI:nKWUnfj7nrZUCvVx8RSRlQzTUEhDDimH
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/4340-1.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.vipservice9_product -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.vipservice9_product/app_sport/ZyEr.json 4365 /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.vipservice9_product/app_sport/ZyEr.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.vipservice9_product/app_sport/oat/x86/ZyEr.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.vipservice9_product/app_sport/ZyEr.json 4340 com.vipservice9_product Anonymous-DexFile@0xc715c000-0xc71df878 4340 com.vipservice9_product -
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.vipservice9_product Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.vipservice9_product -
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.vipservice9_product -
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.vipservice9_product -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.vipservice9_product -
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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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.vipservice9_product -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.vipservice9_product -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.vipservice9_product -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.vipservice9_product
Processes
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com.vipservice9_product1⤵
- 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)
- 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:4340 -
/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.vipservice9_product/app_sport/ZyEr.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.vipservice9_product/app_sport/oat/x86/ZyEr.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4365
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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
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
1007B
MD5bb29598003f502b2a1fc1690244d23bc
SHA1ef67717105068705ec76e1459cfe90d149f963c0
SHA25613979dab990601620c3a6504db9b7d228c4ede3cb403b1a613207e283b5e1058
SHA5123a0f5c84d2b5a18c79a02edd61009c42b8ff40a271c90f222168b25fefa811373bd81e5c83c4006013963195c97dbff896a6c33d7e828a209b7777d7d1b4e6fb
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Filesize
1007B
MD50ee9076ebcf1c52c4491f3a318e8eae7
SHA114fb099b3ee452f2afebf67ebe565979d47c4678
SHA25616d9207caacaf3e8b747a64a7c72ddec9ddfeed8bf85d7beb88f9b73d1fcb31b
SHA512910bfca29279a96295dfccfba1b2beedbaa567d6e401869045ec16f1d395f1efb975f84378b64b51b150978724a9afe1b26e9bc48e3a8c34bd66ea5b9a6e004a
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD59cea0165b93ac9a7433da5cb7af440f7
SHA1ee3fd88d2f20dd6a5d99de58aba8e411b2f2e98d
SHA256788ab5056c68d93a095dc681561cad3bc48fb21d21a7a1ccfd1127edae9ebb45
SHA51247dd653837577ea0df9a3445eb2cf55a1cca68e31c8e22b14fc02482c6c2299184c28a857cfee4126a632519fcdb13b42095643850f7e81f05ef60cc90d5dce6
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Filesize
1KB
MD501803d206fe14c04523896a0f608b9bc
SHA110eb7a7f08845bcef3b6337e25f7ee95bb0d8ec7
SHA25626e088d39c5743a9b6ad53f514a007a197551f42a6828c5bcfc496256fab85e0
SHA5124df108169cf5e8730d03b4d234b2dfd659c2ba82db802bb31bd50942d16bec1bf70141c2c5b77bdcfb8529a89d5acbc2467cb1ad3b7873b88e9cd1337d9621de
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Filesize
526KB
MD5c3ab4eebf6eb84aa9549113ed6f8533b
SHA127eafa0962344cbcab6ef33b1613e529a061e0ab
SHA256d53e883e6721c3fb4d5a63a794247af7af3dd60e122570bf0d1128052468fc82
SHA51252c535a4a2d2c82775efdba04203f84a1c24817c322b608107edca4623e4b1768e51db54ec2136764479f8236c70bb5d73526ea230106a23e1fc66c571d53d73