octo | 8ff6f83824ff1a1930d9b85c956d3c454ef553391beef516c8c922a221fa7fe9

Analysis

max time kernel
64s
max time network
149s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
14-11-2024 22:01

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General

Target

8ff6f83824ff1a1930d9b85c956d3c454ef553391beef516c8c922a221fa7fe9.apk
Size

605KB
MD5

54065c35fe32da0574db961c9e240ae7
SHA1

3c6cc2434c9bf37330b44e493ef095606f5a9890
SHA256

8ff6f83824ff1a1930d9b85c956d3c454ef553391beef516c8c922a221fa7fe9
SHA512

7c4a4f793443101d1ae1dae6d80b29a61459676996dcfc5c7d6ec33c8e96c9053062bb12b9876c2f17528ea298323bba469b32f4d39a91ceccb01152fbfbc592
SSDEEP

12288:tGafmJEEzKwsA9UDJpTRmrsppztoBqq+80e5M/vs0mtTfgSs4hDLrMhdsF:tNuKwz9EJpTRm+pztwCX4sCgSsIzgdsF

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/4224-1.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
4224	com.sciencedarkndf

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.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex	4224	com.sciencedarkndf
/data/user/0/com.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex	4252	/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.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.sciencedarkndf/code_cache/secondary-dexes/oat/x86/1731621669176_classes.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex	4224	com.sciencedarkndf

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.sciencedarkndf
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.sciencedarkndf

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.sciencedarkndf

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.sciencedarkndf

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.sciencedarkndf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sciencedarkndf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sciencedarkndf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.sciencedarkndf

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.sciencedarkndf

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.sciencedarkndf

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.sciencedarkndf

Requests modifying system settings. 1 IoCs

evasion

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

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.sciencedarkndf

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.sciencedarkndf

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.sciencedarkndf

com.sciencedarkndf
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:4224
- /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.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.sciencedarkndf/code_cache/secondary-dexes/oat/x86/1731621669176_classes.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4252

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

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Downloads

/data/data/com.sciencedarkndf/cache/classes.dex

Filesize
446KB

MD5
3bd9cabb74515b21b64e914e6953a74c

SHA1
f804da0db7ca7b1576e2027ff210e4d00cd609d0

SHA256
2385847cafc2a8cca713ff3513d005e867ff9f12378f786fd4d91a3f684ba89a

SHA512
7300ed3520dec772d32c842e394ea8aad08d934b6362aff8df2b129da4b1d0ee14978f21f55212eab35d8899f6957f86f836453e3f76e54b29b8dd00f468ffa0

Download Submit
/data/data/com.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex

Filesize
1.1MB

MD5
5add7925b157f5df92649450693ccece

SHA1
15781303aaf381a326966a0d98b780d0c69ef2e6

SHA256
4101a89f1017f5ade35ade98eb4691118a8340fe351283ff625df771e39bd5ca

SHA512
b10d3e5ffe9351509a9d5d12fd64194bdd3e12ccccd5961f3665be1f2ab074fb581082f0ba3d70b31b101672ae8628ad7a841d7c19d6601a274b887bed0f78a3

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

Filesize
24B

MD5
f68ca7b74fcc15fa7c14e13a34b07714

SHA1
08dc930b38826d1c42c2f287df69c4b6ae4ac3da

SHA256
3d8d6dd70bf69bee0938e0f344542cfed69c1d0358f1a91378146c93311d9420

SHA512
956bcdeaba714f3c695c6f54b130a90f368e9ecd198d91fcaa1e205fac812169e48ef03b750b6e0f4c44881e6f9fa1dbabf3c3ad5354579851675da2a4ee5a00

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

Filesize
8B

MD5
533f5c04bb28ad7245ee437d6e32451e

SHA1
dace25f5c03a1df316c9c7e19206e4a3747bc3df

SHA256
da46341c602b0e51b80f7fedc62a22ecf54cf9eac9fdb7fb2c260194b9649a1e

SHA512
80dfc677ebba0ebb170172092448012067b18cb69ca92585879f3d1ff2b4eea6d3ed478b9415aedba0b886e93099e918dc537bc7d551a2c30cf3b09ba5317c13

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

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

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

Filesize
512B

MD5
8fdd317c3abd89dfc8159001661a7590

SHA1
0dda5fbc9de2ea8f51e7efa1cb21a89e551c88cd

SHA256
737891b056c1b25d76b1f44f59d6291581618cfca9badcc7c9e3d690df38d221

SHA512
809235940397ed693a593f477036767e7a858b289fc16fb2b9f1bcebd614ad0b9a8e38fef398f4af49cb2050455c56482b38405729ae5ffb9ca702d0e7bcbcd8

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

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

Filesize
16KB

MD5
bfaa5e28bd7c4b381237ba14b39566a3

SHA1
e4e025d7cc7af8b2bc85e55ec59028ddc5164977

SHA256
8231444c55e370fd3b4a08762d61a67317ff4505caa6b2a8e817b377a3020f13

SHA512
c00198544089881073b110554f6cbbfa7efef360aadc97cdacb9b141955f2333252f03dbbefd54dca0453a49c72e9fef754424083d6fdd24bb986ddf62485eaa

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

Filesize
116KB

MD5
626049ba201f189ad1b639010fd750a7

SHA1
e1d8be8756f8893ac6bf0bf512f74149060227bf

SHA256
4c7c1586012bc878876ea641162b594913373404e3e6d985e803c9347e0795fc

SHA512
fd3890b20e0fc1acff68797e88cd9975f3a64de8a4efb6442d0cc13b49fdbb7fbd33d0340738e7ee41972944738c4683e873807d530f551b4152e204f570b63e

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

Filesize
124KB

MD5
f6db6f76194176992859f0fae7db6921

SHA1
ecb3d94a01e1fc324dcfbbb7911ae30302ed0ebb

SHA256
7240d1c52cce88d0fc120e8d9b6499ec45c3d2b0a87b62361750c5f4d99982e8

SHA512
d051d3727c4d2082cdb10619372c95e0333450948b57ac37849d163dcf2ccae33669f061890f81bb406ab0726ceec5682d3ba52355184e293c21a0c5b710631f

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

Filesize
177KB

MD5
c4048e61c3360c1cfccb7d13f526fa0e

SHA1
ddd00df48743896bdafcff0b2783502ae7db02ac

SHA256
158b187aec67ddb24c0ff53034601c5762e14bf098c09db640f677277f221b4c

SHA512
7df6c507e6f3cd6ef55bb9e1369415bd9d4dbad4b5561a8ba4acf85ddf39b9667a9fe4c3c675d3823d3efc6cd00511193308fad272c30e01b3dd92ef39ce6533

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

Filesize
112B

MD5
70dc31228829731aaf9fa5a69cca604d

SHA1
ab0226225e52ef00d09990284b7f3feb09c83050

SHA256
9aba377bb5e3138511de87ac5a75bd1acab0a66bc3651616268ce6cad3c8b09c

SHA512
4d72ee9c057bb211b80e19d0ca25a3cada91956cde9d9e922a64f0634305c4a9f88c0305b56247d62c47354295117fe1aceb3fb9dc377f1fcb7312331f5e0c4d

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

Filesize
118B

MD5
354fe332acdf93fc44065d3b0e3c2497

SHA1
3d6589d55cbafcd3562ef1f13fd8140cc260d245

SHA256
cddc2c9c147852e5878539f8c7cd2d5755b48bf31cc7ed12d7d7f633997e2e2d

SHA512
981d97e25288d9bf96ceea9eed7c1a14abfce319fe632925d61abda68856c6eafe00636eec3e7bff50156c72a4e50b72c267da92a0489d526ee48625d7d55fac

Download Submit
/data/user/0/com.sciencedarkndf/code_cache/secondary-dexes/1731621669176_classes.dex

Filesize
1.1MB

MD5
af62cda06280cd06dc2ae879fd6303f3

SHA1
3d8ac43af48407a5b9363131caa0116d095e4624

SHA256
1960444cfbda394d25339f1dbe46ca3a6fdc660e20be7b5aa8ab6f946662e548

SHA512
1fe982cfda1c339963a025c21df001f3361157fa6aef5ac940bbb51c129c70c3acb2f286c711e87b61df48ce64c6f1fad34c25e8286db95a79c8a7fba598cb19

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads