octo | b38019f9e80c2166a4e09eed0cd15bad651263f0ff3ea26199a08896ffd8e1fc

Resubmissions

05-08-2024 12:08

240805-pa55aavhjp 10

02-08-2024 15:48

03-01-2024 17:25

24-12-2023 19:17

14-12-2023 08:27

03-11-2023 03:07

01-11-2023 22:00

Analysis

max time kernel
2469708s
max time network
311s
platform
android_x64
resource
android-x64-arm64-20231023-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20231023-enlocale:en-usos:android-11-x64system
submitted
03-11-2023 03:07

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General

Target

b38019f9e80c2166a4e09eed0cd15bad651263f0ff3ea26199a08896ffd8e1fc.apk
Size

509KB
MD5

60609814e43a1c814b30435f15d361ed
SHA1

61431ed485c98b8a291e289a7e17e8d3e6db3660
SHA256

b38019f9e80c2166a4e09eed0cd15bad651263f0ff3ea26199a08896ffd8e1fc
SHA512

8efba5603fd4217b9c9c96e28a69f9f262568f76d43fd959d6914694808488f089f01fa92e2d04f44d5aa0859efcfb34fb080dc7b3a49502469598ab90a662fe
SSDEEP

12288:KwGWfjEhy4pNodk6TZFo9nheT5BQ4YvnAu:KnWf0y4GNIsmRvnAu

Score

10^/10

octo banker evasion infostealer ransomware rat trojan

Malware Config

Extracted

Family

octo

https://84.54.50.100/Njk4Zjk4YjdjODY3/

https://pakuxxxnatationclass.net/Njk4Zjk4YjdjODY3/

https://pakuxxxnatationclass2.net/Njk4Zjk4YjdjODY3/

https://pakuxxxnatationclass3.net/Njk4Zjk4YjdjODY3/

https://pakuxxxnatationclass4.net/Njk4Zjk4YjdjODY3/

https://pakuxxxnatationclass5.net/Njk4Zjk4YjdjODY3/

https://pakuxxxnatationclass6.net/Njk4Zjk4YjdjODY3/

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

Processes:

resource	yara_rule
/data/user/0/com.broughtbluea/cache/pxcpq	family_octo
/data/user/0/com.broughtbluea/cache/pxcpq	family_octo
/data/user/0/com.broughtbluea/cache/pxcpq	family_octo

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

Processes:

com.broughtbluea

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.broughtbluea
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.broughtbluea

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

Processes:

com.broughtbluea

description ioc process

Framework service call android.content.pm.IPackageManager.getInstalledApplications com.broughtbluea
Acquires the wake lock. 1 IoCs

Processes:

com.broughtbluea

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.broughtbluea
Loads dropped Dex/Jar 2 IoCs
Runs executable file dropped to the device during analysis.

Processes:

com.broughtbluea

ioc pid process

/data/user/0/com.broughtbluea/cache/pxcpq 4526 com.broughtbluea
/data/user/0/com.broughtbluea/cache/pxcpq 4526 com.broughtbluea
Reads information about phone network operator.
Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
evasion

Processes:

com.broughtbluea

description ioc process

Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.broughtbluea
Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
ransomware

Processes:

com.broughtbluea

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.broughtbluea

description	ioc	process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	com.broughtbluea

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.broughtbluea

ioc	pid	process
/data/user/0/com.broughtbluea/cache/pxcpq	4526	com.broughtbluea
/data/user/0/com.broughtbluea/cache/pxcpq	4526	com.broughtbluea

description	ioc	process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.broughtbluea

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.broughtbluea

com.broughtbluea
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:4526

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/user/0/com.broughtbluea/cache/oat/pxcpq.cur.prof

Filesize
322B

MD5
e906e9541c9b56021986ac667d726a09

SHA1
87871586398657dabfd77fb9f0421420f9298dc3

SHA256
bedd8cfe434f3004cf5e0d7cac070c6ad01617ad16e19c26d1df83717beb9804

SHA512
6363225b540a04e1cfad55d7b1067f5c4acd77e943af700bae89905aa0b9fce615cbb7019b289e7fd3178d1e80e04dcd43c1928a1a6b96fe22b42b7724240bc6

Download Submit
/data/user/0/com.broughtbluea/cache/pxcpq

Filesize
449KB

MD5
fb15ea8794c6547c5ca8f58577e433a6

SHA1
47c530ac1858cbc7584429190a07c3c4313857ac

SHA256
908588c8de2b52b69f30917583d91ac67f96c7682c017df3943d3979c9fc6095

SHA512
9cb724a385917e949052b84be546cd61a952474ee8671743034463b356de4c5bc60732b07287c326da65c4cced7f8c8247b348bbb5abb436c86fedbcb4da90c9

Download Submit
/data/user/0/com.broughtbluea/cache/pxcpq

Filesize
449KB

MD5
fb15ea8794c6547c5ca8f58577e433a6

SHA1
47c530ac1858cbc7584429190a07c3c4313857ac

SHA256
908588c8de2b52b69f30917583d91ac67f96c7682c017df3943d3979c9fc6095

SHA512
9cb724a385917e949052b84be546cd61a952474ee8671743034463b356de4c5bc60732b07287c326da65c4cced7f8c8247b348bbb5abb436c86fedbcb4da90c9

Download Submit
/data/user/0/com.broughtbluea/cache/pxcpq

Filesize
449KB

MD5
fb15ea8794c6547c5ca8f58577e433a6

SHA1
47c530ac1858cbc7584429190a07c3c4313857ac

SHA256
908588c8de2b52b69f30917583d91ac67f96c7682c017df3943d3979c9fc6095

SHA512
9cb724a385917e949052b84be546cd61a952474ee8671743034463b356de4c5bc60732b07287c326da65c4cced7f8c8247b348bbb5abb436c86fedbcb4da90c9

Download Submit
/data/user/0/com.broughtbluea/kl.txt

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

Download Submit
/data/user/0/com.broughtbluea/kl.txt

Filesize
230B

MD5
cbb1e695fe3537350a48fb2391d95c1d

SHA1
b5ebf36a2cdd42ecf4565c82348821213a198a18

SHA256
43fd7964fbda067493913b39dd23bea14c8ae1250a728c6ac621370e041220a4

SHA512
d760e4bcceac11fa8427e1534030fc2f3c38735c4f3cba5ee97d14ad2057ec7f2d35465fd645ff9ea4160a426f36ca2032e8f4762a8dfdf50ff8cbb01b624ce1

Download Submit
/data/user/0/com.broughtbluea/kl.txt

Filesize
45B

MD5
ba84a97df95b1cb7559ccd0963cca9e9

SHA1
436700c01499d1d2c43938bb051eea77376eae03

SHA256
5e1e3007d6e42e425f28fd267731ab67920a4632b23bd442960c345b364bcda1

SHA512
0c8c2cf81b0c1a19761e5c900f29e6658105e5fe3e1fc98dce7448e2bb4781b963acaad273fbeba9e6f5b9eef4ab9981c844f09455debdc74af26cea4d5afdfc

Download Submit
/data/user/0/com.broughtbluea/kl.txt

Filesize
63B

MD5
da05bd235c38ce6d2ae9acdcc496a2b2

SHA1
2710691c92095d21a8406d5d31446f1664dac9cc

SHA256
774c6ba2ce82a19450f963ad3ba895325357b1b92f02dc4a6ec5c20618cf744a

SHA512
79111b5aa4abf588b6b32b98f1a6621430dcd7c82cf4ade5ccec940dffdfef369b971c5e0c6b88ba7a456b76d47912aa84c0f0e10b16d9e03c385f3183b3b70d

Download Submit
/data/user/0/com.broughtbluea/kl.txt

Filesize
466B

MD5
f08b4bd8d0ce74389b5e1d391e0692b4

SHA1
c50c9271bcc29a4acd86ea5f99b3253414105e1f

SHA256
1c2a49941bb575fd93100897c4e360002661cca4a6632269e8a20d4f29db3654

SHA512
e17b5b4d8ce76e9b8e78886899bcc3a2c3897e024298f5c0702d64474d0a4c5cae3599677fce6762697077bcbc6a7b38b749fb99055630722d61a762120b454c

Download Submit