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Resubmissions
11/01/2025, 15:41
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250111-rtbe5a1naz 1011/01/2025, 14:17
250111-rlpb1stlhk 10Analysis
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max time kernel
899s -
max time network
907s -
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
11/01/2025, 14:28
Static task
static1
Behavioral task
behavioral1
Sample
20a549f1ef09d45e66cd1f3a22554e64e711cd5e83b4819116dd673b54ebed8c.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
20a549f1ef09d45e66cd1f3a22554e64e711cd5e83b4819116dd673b54ebed8c.apk
Resource
android-x64-20240910-en
General
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Target
20a549f1ef09d45e66cd1f3a22554e64e711cd5e83b4819116dd673b54ebed8c.apk
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Size
9.3MB
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MD5
d019f5e6c5c764e88dbe9e698d3531a9
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SHA1
0210da276565c1c7c6e3ea2aad37f09fbe0203a1
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SHA256
20a549f1ef09d45e66cd1f3a22554e64e711cd5e83b4819116dd673b54ebed8c
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SHA512
02136b38aeb3a3e4d183481fe3c55a9ee6e0cf78a1d57ff6b2f7e2d112917f85d6f66b223997a1bf020c1b765a3d499198edd4ea1004813283f2b88c9f66d74d
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SSDEEP
98304:qHRJmSbXKRbBRcQl/j7AVKpL5iSRG8XLC6BN4yyt7A339mW4RsHd:q3Slj7AUZrV+63gjRy
Malware Config
Extracted
octo
https://d5abaaa83590ecf7b2432196e08081a8.biz
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/4253-1.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.wgenerated_labs2 -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.wgenerated_labs2/app_iron/RwcWe.json 4279 /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.wgenerated_labs2/app_iron/RwcWe.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wgenerated_labs2/app_iron/oat/x86/RwcWe.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.wgenerated_labs2/app_iron/RwcWe.json 4253 com.wgenerated_labs2 Anonymous-DexFile@0xd30d8000-0xd315b790 4253 com.wgenerated_labs2 -
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.wgenerated_labs2 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.wgenerated_labs2 -
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.wgenerated_labs2 -
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.wgenerated_labs2 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.wgenerated_labs2 -
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.wgenerated_labs2 -
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.wgenerated_labs2 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.wgenerated_labs2 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.wgenerated_labs2 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.wgenerated_labs2
Processes
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com.wgenerated_labs21⤵
- 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)
- 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:4253 -
/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.wgenerated_labs2/app_iron/RwcWe.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wgenerated_labs2/app_iron/oat/x86/RwcWe.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4279
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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
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
1018B
MD50c3f5971bd801f81edbe9f1bb317464c
SHA1637ee817d458d09d7798ad7e006d56bd93661eab
SHA256260227d0f3125609f687acb587c15b096405325102cd20fdd99eae5a0222f4c4
SHA51282db5c7c919001573aef65fb32f817fa65dd1782a828311afe16abfb04df628d7a7b352364222481430ed3794e36a8c81af65315d5ee3688e60e56dd97dcaf39
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Filesize
1018B
MD5c6f9e6be8a9ea19957ce7a00caeb25db
SHA14dc409b604f00c92937612e7fd33a5a1cdacd99a
SHA2569b58680c34a5a1e4be5089a243fcd621cbe90ca946e793876cbb047f9d9c0912
SHA512ccf0d04e1d43355b12141635a3defd745d5fcb17a1e3abd2c8b1e2445940e765912c074e5a9e5dd3d398aa3d18700c0a3e874f92c3969524ca926f10cc9babbf
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD503d2b83935f280bbcadad57b5ce995ae
SHA19a9ea4e02877c687e91ec5adcd89692ed7fb939f
SHA2566631dbefa5081d97d20abfebc5aab4411a09dee40c4fcc7728579a169f43b0fa
SHA512a4db00e6e8a82d8e9bb71f716cb21e2cc59ad04132b6939ce148220fe518cd153ef3fa3a9ab11f23244685378944c878d36e32b51c60197dda650c4d82fa7096
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Filesize
1KB
MD5f5292792ab6971a97dd006992641a9e4
SHA1325a9e59822b35665c6d4220f3a8a95defc85ce4
SHA256c65c30347e74c99ca486509f04126ff52ea426397b1301b656f1411b24ad483b
SHA512c385245f73ce31296d2fae083bc15714a5825697865d4ea48e0fcd67e8116c292e514c1b514c3733bf9a8e9dea43cec761715f6c88ad8e54fe589312fbcaca84
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Filesize
525KB
MD5b4ba7d6db1871e8c66f9ac58a203798b
SHA166932ffb23b362fb381f9943e99db8acf550fc33
SHA25600b8ab2a5a4e83e7e02165e433cca027273626983537fee7d4a85ee722dd86d3
SHA512dafdcbb08b36827647922ca6a5bf46c2a170bcec9fbccf606d1af5b10e697b1201f7b95506fb8adc1a9328227bdab9634eb3e4d079e66c22ab478b110162eb9e