octo | 63827fb56cc23a2eeefde2406410954fbd38b86c059088db5ed00c864ce2345e

Analysis

max time kernel
146s
max time network
154s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
16-11-2024 22:00

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General

Target

63827fb56cc23a2eeefde2406410954fbd38b86c059088db5ed00c864ce2345e.apk
Size

605KB
MD5

d83218c0049033226231a192b536e1f3
SHA1

cfbe17b09fa323bac132338a59a1a034cb15de3f
SHA256

63827fb56cc23a2eeefde2406410954fbd38b86c059088db5ed00c864ce2345e
SHA512

b5c50567e72ef4760a3961b28c279481153ec46d65257aae91193b00bd01d05be5d6f3a2473d56185680e6b9681c6df01cd46bd7416c87d846ce89a6bc83a078
SSDEEP

12288:mgjPPegWzQaRv43wwuMrplcrZZacG/lm8fd1ls4hDLrMhdfP:rPExBZM+RG/l11lsIzgdfP

Score

10^/10

octo banker collection credential_access discovery evasion execution impact infostealer persistence rat stealth trojan

Malware Config

Extracted

Family

octo

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

DES_key

AES_key

Signatures

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

Octo payload 2 IoCs

resource	yara_rule
behavioral1/files/fstream-3.dat	family_octo
behavioral1/memory/4213-1.dex	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4213	com.sideboy8

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex	4213	com.sideboy8
/data/user/0/com.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex	4238	/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.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.sideboy8/code_cache/secondary-dexes/oat/x86/1731794434640_classes.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex	4213	com.sideboy8

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.sideboy8
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.sideboy8

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

Security Software Discovery
T1418.001
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.sideboy8

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.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.sideboy8

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sideboy8
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sideboy8
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sideboy8
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sideboy8

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.sideboy8

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs

collection credential_access

Access Notifications

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.sideboy8

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

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.sideboy8

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.sideboy8

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.sideboy8

Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

execution persistence

Scheduled Task/Job

T1603

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.sideboy8

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

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.sideboy8

com.sideboy8
1⤵
- Removes its main activity from the application launcher
- 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
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4213
- /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.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.sideboy8/code_cache/secondary-dexes/oat/x86/1731794434640_classes.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4238

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

Suppress Application Icon

T1628.001

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.sideboy8/cache/classes.dex

Filesize
447KB

MD5
a77250d8b3eac77fd2dc34ad969df4e5

SHA1
04250daf8b41a4761aae25670f88f4fd499ce4c2

SHA256
7aceb898c2732581fbbdecdc2fa701b28c7d90114611c1ca0d767fbe8281ff2b

SHA512
7cdda80001952cfb15876de021cda2ed7db39fff2a4a07192158491d5a111559df06e4828ffd2fd42d9c44e21550ece3ae4570925098c409cc8034d94835dcc6

Download Submit
/data/data/com.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex

Filesize
1.1MB

MD5
679f2fa79a5761fbf4ae231357150be9

SHA1
9b99eac87d521bc4d10282ededd94b2a54dcac08

SHA256
9b3d13f8fc5e70640c53dd7be00ef55b7c4e8404bd47b3c135cf333e2026caae

SHA512
2c09dc666bf8ad018a3d8819483f054940d20cbb13d2c5da0ce6744f1e403369b89bb3f55610da9e077448065d8a6c0fd5c16834bbed546a6f94e2f238fb5c6c

Download Submit
/data/data/com.sideboy8/files/profileInstalled

Filesize
24B

MD5
d7ff69de82a9c02f7fda4565e8831923

SHA1
de3fcd07e6d4497503389cfbc90d8d197a1036d5

SHA256
c5cad40dc5b79670f0a5ba11d87e799a76859e2b9908dad66329c3733ff24d38

SHA512
604c79ca989bb2ef2750536ff537626e6c21b146539d0d6a0f226638a0a1e49126baedf45085aa4efb2769c2b602d51284675988eacba686aeb341d5c42ce8fd

Download Submit
/data/data/com.sideboy8/files/profileinstaller_profileWrittenFor_lastUpdateTime.dat

Filesize
8B

MD5
6b45c05585992c846a06bab3aad0fa68

SHA1
141fdc0bc596b8d68da2757a114eef065195a7e1

SHA256
d71a8bd4c936cc37c92c3502e006e93f7955f274842de0c8976d0292ffa070e0

SHA512
dfb8448c6c68ad8552917183753a89ad855aa1ac2b0fce170b0a30248c5751b7bbd1268ea39b830a6f90118c586da014496538554c09756c304ca6740771c926

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
7438d5f9d80270e1ecaddcf003ea6bf5

SHA1
b26cd41841929bab416182b444b7c7f4e18f9caf

SHA256
ed5b173d586420650c6f636ce9831db70660ad0d9bea47298f344b6ced47127d

SHA512
bec6562670ead1c0701109c6d21e088871dd6fd555fdcd99ff5b7d002fd8ee7f2bb5d741dc111beca9c0027ee0ba645f206d3cab9de2f2e9d3cfc425650f9a98

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
79c2ee2a1f17f4277feb7e0c2099b7ab

SHA1
ca0d1444ae491c902cf233b7a9f328132bd59e27

SHA256
e1ca5213bb036bdb37a64495b7c906736c963a848714206b81d14db4c9aa6eca

SHA512
7daf2ea93c0937484ef9f8b8f00db108b2afed1adc30a66be42d6d2effeaf7cf27325081247ddc4fc27362345dcef6c4474d3b82ae9cddacf80abc46b6bde752

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb-wal

Filesize
116KB

MD5
8d71ad533f5deb327fabe072d439079b

SHA1
79a319c885c6861644827b4347106014af1f667b

SHA256
658e2bf39066473555d55baea1eade59deb21cb536813e18556826dd16d06c11

SHA512
44d07ada36450beeda2d82c6897b0aa63fb1e8d52891c022f4119f7f70fd412238facde4b82e6f00aea7663c27ade9a3e4ba474e4f0ffcc89762cf65339ea11c

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb-wal

Filesize
124KB

MD5
e252e72bf7e561597713702fe59c3be8

SHA1
5087bd79ef290bfdae7599c59c2a5ebdb09ff4fc

SHA256
74813ed89cdd931b41efaddee0a70834521888da5f9a8581377e46966f960b36

SHA512
7c91c4cefe6e6071b40644cd9298ac6afd70849f17e25c99df57bf04b14809f881e0a049fc8eefbd4e3a220ae4965ed30c770658978986a9776b31202702db2a

Download Submit
/data/data/com.sideboy8/no_backup/androidx.work.workdb-wal

Filesize
177KB

MD5
a5e5f2e37cb535a1d6f358610db816a3

SHA1
86b8e6d7a12bcccdc12ecd83708e6c736c839f1e

SHA256
392848f57234106c205da3ff170ba5bd901701c9a24a71c61c807b15d8b99abd

SHA512
e326ca5ccb92f1a6f83245ca679d404928cd476e47b496d6fb856fbd4102348b81ace05db0afb2d2a700b58a707114eccc0f513854c3327ccd9778678330a319

Download Submit
/data/misc/profiles/cur/0/com.sideboy8/primary.prof

Filesize
112B

MD5
1dcb9cc8247c525b14476fe296c471c1

SHA1
ad775c91c2ece7619bc8c22c29b87b051d332cdf

SHA256
353a4a5c06e1dab6fae6b469e51ff0091422ad1f71ed5bc2c443c597398f0963

SHA512
43da245faf70631f487dc412cdf57755809301c14b7c6d68a9845d433b2f1a606a1f687051fdf34389bbffca32ce86a4fb784f4f050a3fadd668508e79585a9f

Download Submit
/data/misc/profiles/cur/0/com.sideboy8/primary.prof

Filesize
120B

MD5
ac14fb31b762399b86a2de0409e46693

SHA1
4023f10b97eb05499258686bf43cdf99c754cc00

SHA256
3cc8142dfe44a1506dd222a14eae54330b5f29938cfefbf6ef19e6b93219ae1a

SHA512
5080549c80468f4d21bc11468228b1653fb12a66500f800cbca35f39d10d958a75899cbeae79cc1a1415b7f2ddf3a7e9d8c6a337dc4f55681b64d9e8a704d3a6

Download Submit
/data/user/0/com.sideboy8/code_cache/secondary-dexes/1731794434640_classes.dex

Filesize
1.1MB

MD5
97cd314b2b5b0936651a378cfeb87cec

SHA1
c1368bf370b977115df06ad4f12c34f3699943aa

SHA256
17016320ac85cae367e6b23baac1dc265a1262e1f89b8e0d6c20615a44af904e

SHA512
81dcc60dae58163405ef8efb1d9ce39eeb9669255dab81ad9ddf5cbbf3350ee3cee7a7eca1c961ccb60a730296a9d8694d48d1ee446ae04dfaaa8204d64ef043

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads