Analysis
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max time kernel
20s -
max time network
34s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
11-01-2025 16:52
General
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Target
9ec333f14d0707d6eaeefb1e1744a782072ca19d3d857383bf124e425746ea3b.apk
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Size
7.2MB
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MD5
d92438bd848047060264aa445bfdc824
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SHA1
29f650ebf9a1b4b85e26d0ee0839ed77e082fc9a
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SHA256
9ec333f14d0707d6eaeefb1e1744a782072ca19d3d857383bf124e425746ea3b
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SHA512
59360b4d1df2ac07123171136c80a16a57061ccb993996190c3e387d246e42deb9f0a1c9ca1e13f66b027d6e2927335ae0fd72468d16a91d23520afdd7140d23
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SSDEEP
98304:VGok3XlRsCq5iSRGTgVKXsb+9KsGJxNHjWFIvDIi:VG73XlRzqrRU8bhsqxNd
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
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Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
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Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
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Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
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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
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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.
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Queries the mobile country code (MCC) 1 TTPs 1 IoCs
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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
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Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
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Checks CPU information 2 TTPs 1 IoCs
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Checks memory information 2 TTPs 1 IoCs
Processes
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com.watchextweb01⤵
- 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
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/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.watchextweb0/app_warrior/aAkmO.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.watchextweb0/app_warrior/oat/x86/aAkmO.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
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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
1011B
MD5891da3375105009d555231832aea1eaa
SHA121b193eec6e86ace00f18b9e3c5dacd268988c34
SHA256378be6d04c8decbaa26aea530023e25beb07d1afc60b557e57ad013809317a3a
SHA5123034fcb42b4019acfd7aedff771b98ed420afed0e4a5c651a99e1766afe2843a61fb0c09f90bac03122406f2d2ead1e42c4c9854ea17828e80f98799da88a381
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Filesize
1011B
MD552eab671ee3090e4bea020e846b35203
SHA13667ff8738daa22fdc5f54e35445991bc0f3bd47
SHA256e2ab7a5b927093bd2df8080292988eca4c61a52cc36c3729e2db1257c791bc2b
SHA5123c3f30992058a098e545e8f4d15237e204129a3bf4a0a9497caa26f9826fb86276878fad5c662fbd1ba4daa9accaaf6bf54c7d9190d8d2e5d31e0d4a36af3085
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD51044585e86a6c9a86d4f8b3824756915
SHA11052e063647e01c46d8c4ae0fadcf018c54e223f
SHA256dd5362abeca3ac2ba1c05acabd482af2ac0b40ca742387176afb013130fa4621
SHA5126b016471b30205d410c181eecfb5d2b8f51bafd4d885f0f7a290e0932a13096011a9aa833397d61ffdb00480b33c47b4e34b00d18d79766c9d53f23ceee6c748
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Filesize
1KB
MD573725f60cbf2bb9bc4f7b6d5960a4f58
SHA1dba522e5a1d3db8b214e3d6c9620264666ceab68
SHA2560fdbc0b4f8da36394f7d4e253270b890a76afb50254ca0e213c0d8f15f24473c
SHA512c0c2ae39848b3dd25509d6675cdf64d324e75d39c809178746ff9b528492c87c404ea6f7d08b479a5692e01eea7e8277df82a671abbc731bb8c61f86a2462de9
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Filesize
525KB
MD5a78412fb709179a715dc968e17f0abe3
SHA162b7133b4ddae78d769b1393fefe663d0bbc376c
SHA256c3ad89d7ef6c04b1d29ebf82e6c82126aec230ce2a412edae01f9dcef4d7261a
SHA512d817efbc1f730b544725d4a0b8d2ad8b18b1f87dfeaa3ad34b798979a722de639542003b985f24e6b7b5c6a75f136622f61488ca9267263b891ec3867636efd0