Analysis
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max time kernel
22s -
max time network
37s -
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
16-12-2024 02:17
Static task
static1
Behavioral task
behavioral1
Sample
5d784e42feb9a6eaf95a50cff924d1f6aee9d61db23548af45160aad52f6c45c.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
base.apk
Resource
android-x86-arm-20240624-en
General
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Target
base.apk
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Size
7.6MB
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MD5
4533b2231f3e08626cf63cdb8555c1ce
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SHA1
190a9329fafba8cc1101368020f860c0cde8b730
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SHA256
0d1dbbbcf2d9f6e66c931a4e0594322b4c37d4c00b31e88b4b43bcf3295da5d0
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SHA512
a9f37d06c6347e1bd1fcd9ccdee725cad2ebac6843324e3e2eb4300455076cbb3e796e21436c36b9c53a18e8e6294cb28153b5b6c74a12f9d8fc4131b9b44ede
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SSDEEP
196608:efYmEq3XnRwPrdU0nvLfPFqd9GwrQ01jElY:lLrdLDy3Q1lY
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 behavioral2/memory/4311-1.dex family_octo -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.hotspot_watchdc82/app_casual/bsgBaZ.json 4337 /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.hotspot_watchdc82/app_casual/bsgBaZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hotspot_watchdc82/app_casual/oat/x86/bsgBaZ.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.hotspot_watchdc82/app_casual/bsgBaZ.json 4311 com.hotspot_watchdc82 Anonymous-DexFile@0xc973b000-0xc97be770 4311 com.hotspot_watchdc82 -
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.hotspot_watchdc82 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.hotspot_watchdc82 -
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.hotspot_watchdc82 -
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.hotspot_watchdc82 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.hotspot_watchdc82 -
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.hotspot_watchdc82 -
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.hotspot_watchdc82 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.hotspot_watchdc82 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.hotspot_watchdc82 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.hotspot_watchdc82
Processes
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com.hotspot_watchdc821⤵
- 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:4311 -
/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.hotspot_watchdc82/app_casual/bsgBaZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hotspot_watchdc82/app_casual/oat/x86/bsgBaZ.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4337
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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
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
1014B
MD5cf908bf0d9762e9aa86c732041816c48
SHA158d6469ea5894ba0bc2aaf65ee13e5adcc818819
SHA2569e461845f779a51a286c4828672e796eaa682fd6999860597a34ebb9e7de58b6
SHA512abbefdf3eb1c2dbc862e148cd8659269b6d604a3dc574f414d02efa514a07139da48172d5789781d80639d15dbb486d8eeb55fda84a0f99c09f85efd62cee189
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Filesize
1014B
MD5743fe886416c1f41786171ea5d5c5f5d
SHA1087f97c3f3f89db07ea377ffaa0763bacde31811
SHA2568410804acf60db712e0c63f0b9613df83285442b539177837998a586ee9e925c
SHA512982f418519a7e6a111c3a0cfa392aa224b72904448fe80b8a8207ecabf2a2b4242cbd8db717b86c2255a00166f52c5ed92a3cc2e015d3bfc0498ae8121b7ba77
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD545e8b1bd8e1b19bd446d0f1b779d3a70
SHA1f8b4c3b1df1179952a29f82970b548566493144e
SHA25657776b55688322d982255767ccd2d29bc990157579e04c84831e71e5c1d513c6
SHA51216f8212c1b0a7933ba6ef55ce76338284485393bd4797d6f6da536eb8b3eacc4dffafa0609cb026c7eadc0f0f7cd792f2cbcd5a5dd996fe63c380406cddbcc80
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Filesize
1KB
MD5ecf37163010b9f1ee0503d7027d35184
SHA1f7495368461db44442ebfcbd97bf6e9aa2524db9
SHA256fc577d468f553a45c62982978af785d265b7c188d4d96bc7db62fe9e9c6f150d
SHA512d1e65c43bd0864eda83952114bbd75b409abf946b214c9fdf2a00e4b8ac025cef1b3c3241607155e16fa5ed19b6aebd20f6961e618daa4be6372fd4b3ce2f0a5
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Filesize
525KB
MD5a97e8a5bfdc50032209115f4102bd9be
SHA19687f4326da1ded33f2ac49c7c4b84eb23e48fdd
SHA256013b4609bfe03f82fceaa40b12dd670c5ad9f0a1a23b42c3321fa763de2b5c37
SHA5128fb82962999c0f3f7dd326a20e4a452beeba9875d57e3b00b980b862ab58ddc0a30a25daa131f11528476277bed3f6d1748589172ce90d9dffbbdee234d1c261