octo | b38019f9e80c2166a4e09eed0cd15bad651263f0ff3ea26199a08896ffd8e1fc

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05-08-2024 12:08

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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
2364314s
max time network
132s
platform
android_x86
resource
android-x86-arm-20231023-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20231023-enlocale:en-usos:android-9-x86system
submitted
01-11-2023 22:00

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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 stealth 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/data/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.findAccessibilityNodeInfoByAccessibilityId	com.broughtbluea
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	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
Removes its main activity from the application launcher 1 IoCs
stealth trojan

Processes:

com.broughtbluea

pid process

4333 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 4333 com.broughtbluea
/data/user/0/com.broughtbluea/cache/pxcpq 4333 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
Removes a system notification. 1 IoCs
evasion

Processes:

com.broughtbluea

description ioc process

Framework service call android.app.INotificationManager.cancelNotificationWithTag 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

pid	process
4333	com.broughtbluea

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

ioc	pid	process
/data/user/0/com.broughtbluea/cache/pxcpq	4333	com.broughtbluea
/data/user/0/com.broughtbluea/cache/pxcpq	4333	com.broughtbluea

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

description	ioc	process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	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).
- Removes its main activity from the application launcher
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4333

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.broughtbluea/.qcom.broughtbluea

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.broughtbluea/cache/oat/pxcpq.cur.prof

Filesize
402B

MD5
71ae708330ec263e42ba16f23ab0222a

SHA1
e370161b74a30fdc2b8364dd8c93a08202742dff

SHA256
6043881654f295b026547518b5aa95b82de46ebc7b9d1e926e91983d4d0c5805

SHA512
241a0e90bccbefdd61fe91169629e5263c7006ec916fc732f27807361127e2aaa98d0802f92bc2766385f5a6f236be972198b2fd272114b7a77f88a108b311c1

Download Submit
/data/data/com.broughtbluea/cache/oat/pxcpq.cur.prof

Filesize
446B

MD5
a31efc3424fe746133c27573529e4d47

SHA1
2a1b3f6e32ab28df362ac8b25df8588d0bbeb9ba

SHA256
3c955244a3b3a106d1a736d4279c3e6b72f55e365c5ddf82c552d5a6a15a47d1

SHA512
b22c7c27494de211f989d84ba70480777ad80d19a50d0ba0644747f8f278631939328088c12653f8f63157ab767d70f25b3bdd191598b2fa802c423e37e7c281

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

Filesize
449KB

MD5
fb15ea8794c6547c5ca8f58577e433a6

SHA1
47c530ac1858cbc7584429190a07c3c4313857ac

SHA256
908588c8de2b52b69f30917583d91ac67f96c7682c017df3943d3979c9fc6095

SHA512
9cb724a385917e949052b84be546cd61a952474ee8671743034463b356de4c5bc60732b07287c326da65c4cced7f8c8247b348bbb5abb436c86fedbcb4da90c9

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

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

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

Filesize
230B

MD5
7e0789593b13efb1412e6739ef664f94

SHA1
7d0bb9691aa72ddc334d57dfc39f2822b7a9de5e

SHA256
a0d2295f3df071208c935b2ce1f093af5840a6eb0ce34e731130e03df9f7705f

SHA512
6f7cfe44de9ca218669a77bc349b870ec58d82bd77ad7e365007cd0217e88b78d6802c4cb8d140d59b8e045a3e02fe89dfa6bf1b08027b51dd2e3a2bf127d768

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

Filesize
54B

MD5
11f6e29af7d5e1a21f812db8c35e2363

SHA1
6de8930ecdea28c18b536f68d34d9df0747e05bd

SHA256
c539b180155fd3dbcce60e9d87dff499e3358b7b867b9d0d678b8be69c58b744

SHA512
e32c4bdfeefd151a287bf278123382f2bcc9aae480e48ef0c22fc4cf51c7197aaeed802ebb127ad0015a97d910abfb0b6f96e8cba84893e7bbad9c2c4be31777

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

Filesize
45B

MD5
f81f428154ecfacb42c64f241d9efc67

SHA1
0d4955e0989fa78c88ef3cb1448c141e6ca01fc3

SHA256
5be1422f3301f43a836ddbdeeaf7c06e4c190ce833c6d65f6a2a51fc148544b5

SHA512
2ac9c454de0e692eb0371bed372a091ae8f8680fc288d647f8c8b1a596bdf03c94e5b75ab883bf462d563d99f374e3f5bdc8752e078b89db3b62589ae7c72d02

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

Filesize
423B

MD5
8ae46b4b0858673f2596ffc96b163208

SHA1
a65e3b9987575699f4451a87fe600fc954666133

SHA256
9f3514b0516fba0d66bc1cc9a453c11cd5fc52161eebf9ca8ade63a2be556606

SHA512
b066c113c66ea713b82d38b9f45677232096dd070045fa7a2ec3cd71f175fe7c90200a46ee7dc5ce7bfa6776eacef3057d69b1396a236e7ddb49b6c5865827d6

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