octo | 1289fb665610b4f5f9cfa5e37bd7e9ab0cc5f2b7b3ea841bef39c49680057536

Analysis

max time kernel
449006s
max time network
155s
platform
android_x64
resource
android-x64-arm64-20230621-en
submitted
03/07/2023, 07:56

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General

Target

chrome-update31761.apk
Size

541KB
MD5

1c05aa3589911652b2f4daddaf71171d
SHA1

5a0e10c2f7fc0ea513dda84a17cfc143ec7164ad
SHA256

1289fb665610b4f5f9cfa5e37bd7e9ab0cc5f2b7b3ea841bef39c49680057536
SHA512

458cbb4eff4210fdfa72854728cb0b17fa95760a160bbfa1a2d680fdedaf8e5340f480b1570b85bd3228e11657f343cea00d8b9c7c9db573eddb34e483c71ada
SSDEEP

12288:mr+izRt+QZypgEuvdZPNXZMNl5LE9+4ORdR:mr5t+WymEu1/XZq5mwF

Score

10^/10

octo banker evasion infostealer ransomware rat trojan

Malware Config

Extracted

Family

octo

https://ufpyyrumrmdq.top/MTU2OWE0NzJjNGY5/

https://encgrcwfjntq.online/MTU2OWE0NzJjNGY5/

https://fbpxbqebmqto.info/MTU2OWE0NzJjNGY5/

https://ieuzqomcdodp.site/MTU2OWE0NzJjNGY5/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo

Octo payload 3 IoCs

resource	yara_rule
behavioral2/files/4342-0.dat	family_octo
behavioral2/memory/4342-0.dex	family_octo
behavioral2/memory/4342-1.dex	family_octo

Makes use of the framework's Accessibility service. 2 IoCs

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.herebetter40
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.herebetter40

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs

banker

description	ioc	Process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	com.herebetter40

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.herebetter40

Loads dropped Dex/Jar 2 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.herebetter40/cache/qsoojckzbtzsss	4342	com.herebetter40
/data/user/0/com.herebetter40/cache/qsoojckzbtzsss	4342	com.herebetter40

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.herebetter40

Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.herebetter40

com.herebetter40
1⤵
- Makes use of the framework's Accessibility service.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data).
PID:4342

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/user/0/com.herebetter40/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
380756bf79b695430c81b577ce8510a9

SHA1
9c6e0d3671de3fbb5243001f0cc818e8acd1f8ea

SHA256
6dff85ccb001322bc3174e2724cffbd482df9b3f6ef68760b6cc94755f4e7b8d

SHA512
0f9bc85a6586ff95107492174a9403eb7ef011b508e41ce6c5d12012e1abca5d143d8f295134451e9c3096ec3b0c4f95c81d544e839a19c3235aaa352d11f9a3

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/Session Storage/000003.log

Filesize
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/Session Storage/LOG

Filesize
128B

MD5
99986b287ac76e5abd07577a71212a63

SHA1
dda4b2ce0369aab2c058b1c343b789de9cb4ae62

SHA256
1ac0756915314b72e10d91733797a29f698a4f579468a80bc8741177d9e16a08

SHA512
8ffaa497395919a722ff6695ff710531c413809eb2d3e67976486201b9efab2bfaca27564f22125ec7b1f3ead51c927d5493fba97880520e9c78f4f1e34620bf

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.herebetter40/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
aaeef2430764eacfd776ac290752e28c

SHA1
33fa1c3a3d9840e29b98b5e3b31d7b7fb90b4a9e

SHA256
1d893dc93c4a2926c312f4257053f699d27e707d68c2e504ea348867b92394d9

SHA512
d616a1b801d92f65fef69fb9ac6e77459d03da0f5de0f059229a45d308b6691b224a5729c17fa50b3fd31b4b4b64684adf845667edb3b7e72ef839c88db03958

Download Submit
/data/user/0/com.herebetter40/app_webview/webview_data.lock

Filesize
22B

MD5
6b104f68a7d9e70b78328b19935d8062

SHA1
ddddfd968bca3169a6f99cf97e69fae14473783b

SHA256
1b032891c9cef7bbf887e6fe32a08c11d718d8e544537583b804b940e2974474

SHA512
d95366a088de7a84f30d6b0f7816a574ae1632c0420659ae99c94b191a4592068ab1f9400e76af02815552d3a83bc08e0798dff3f5a8a877719594ea32811d48

Download Submit
/data/user/0/com.herebetter40/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
c86be446b688c223c46c3f2346650a78

SHA1
4d020c3daf7a424ff7cb323921d72328e525b558

SHA256
47326223c105f55012e9f990b9d33d7cc7e2dc5b3b2264322cec9aea7cebe9ae

SHA512
4eef367a06d7f66ef2723ff1dd7c3644a34462741f4e092cf4d453c3c42074e4787a582e50768f54a3e3090dd5bf87305c583fe08e901a22a411f19d5c7a16b4

Download Submit
/data/user/0/com.herebetter40/cache/WebView/Default/HTTP Cache/Code Cache/js/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.herebetter40/cache/WebView/Default/HTTP Cache/Code Cache/js/index-dir/temp-index

Filesize
96B

MD5
c93f3c58845c9315eafb5880dc79c075

SHA1
cafd1a508c8f769caa79e1d5d51b1ad6fce30448

SHA256
2ad3d9fd35e8a975beb0b16c33b6d426b40466fc90d76f87753c1c78a679793f

SHA512
380f377380bd71a461e8eb677133cc00ba190ea1f347920d81b536fc33ae7b745b0cee088cd75c4db541cff191260293e55892976fc394ee98e0f242b98d92c3

Download Submit
/data/user/0/com.herebetter40/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.herebetter40/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index-dir/temp-index

Filesize
96B

MD5
2ff75e4dea3699199effc57f36f6c9f4

SHA1
7461e66b96980b6c573e14816bf189b880241c2a

SHA256
7e504f2bbdaa2e2311bdccbf3457df546a0fd366e4d2e1564d6b3e5e5b19d5ad

SHA512
94f532addf2504e9ecac8aa7b93218ca19d6b88668a0bebce842d0f6b50bc474f51bebd7042024cf464dd4c98c816f046ba3d72d20e9c72a1119578019b26621

Download Submit
/data/user/0/com.herebetter40/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.herebetter40/cache/qsoojckzbtzsss

Filesize
450KB

MD5
7d4e6b48150971fe50e9093cfba83db8

SHA1
88ea6bfca9d1182a3875da0cc95e000909a4e604

SHA256
07fd117bb5c6cf12c219b46a80956598553fc7265cad5ee8179a73f120c843db

SHA512
dda645e5297a1ceea9744387e64950e0baed705e079b2a8e93b66f779d29ec21d3d9d4ae0cca1f57468bfdd15ec8b7d0d7e7a1c5c67bbcb47c334050487fa5ad

Download Submit
/data/user/0/com.herebetter40/cache/qsoojckzbtzsss

Filesize
450KB

MD5
7d4e6b48150971fe50e9093cfba83db8

SHA1
88ea6bfca9d1182a3875da0cc95e000909a4e604

SHA256
07fd117bb5c6cf12c219b46a80956598553fc7265cad5ee8179a73f120c843db

SHA512
dda645e5297a1ceea9744387e64950e0baed705e079b2a8e93b66f779d29ec21d3d9d4ae0cca1f57468bfdd15ec8b7d0d7e7a1c5c67bbcb47c334050487fa5ad

Download Submit
/data/user/0/com.herebetter40/cache/qsoojckzbtzsss

Filesize
450KB

MD5
7d4e6b48150971fe50e9093cfba83db8

SHA1
88ea6bfca9d1182a3875da0cc95e000909a4e604

SHA256
07fd117bb5c6cf12c219b46a80956598553fc7265cad5ee8179a73f120c843db

SHA512
dda645e5297a1ceea9744387e64950e0baed705e079b2a8e93b66f779d29ec21d3d9d4ae0cca1f57468bfdd15ec8b7d0d7e7a1c5c67bbcb47c334050487fa5ad

Download Submit
/data/user/0/com.herebetter40/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

Download Submit
/data/user/0/com.herebetter40/shared_prefs/main.xml

Filesize
134B

MD5
7b9cef657f7a70a93e54f5b356640c39

SHA1
82037a2789e4864e1a6fe486076b7ad75b87090b

SHA256
3c1bdf61cdbedaf3e4f876911df5a38b70d80825938ef68a14ef725c74effe43

SHA512
98fb4d8526e5c71b88c674f1428b253fc884445e1a4bc212a7cc5b7eca90c512d4159691d281e6e61d7141e0de5e9c89270b212022dd196925757fe265e47e79

Download Submit
/data/user/0/com.herebetter40/shared_prefs/main.xml

Filesize
7KB

MD5
f55fd6f625c3acd441a1bea77df1151f

SHA1
a88f2f3dd6eca492d7968de1e96b7c3a6620d700

SHA256
ee528a3d18a6ca7646b0642bf87bca1b599d98dde39e9e54ea5bb348eb8567fa

SHA512
4d9af90b6c2080c96f08e48c833c3632a52be88b8119dfa923bb0646f3bc4671933c4d6c7bad22bb3683d1d54b51f464331df29a3e296f648f937163cc830647

Download Submit