octo | 04525ffcc5de42cd6d8ccc984499bcd7dfc1c31e5d45b269d39cdaf914fea593

Analysis

max time kernel
149s
max time network
158s
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
07-11-2024 22:04

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General

Target

04525ffcc5de42cd6d8ccc984499bcd7dfc1c31e5d45b269d39cdaf914fea593.apk
Size

1.9MB
MD5

3379c05394ed7f9538ced400d1c83c6f
SHA1

668ccd055a8b44f09c5b6ede5f73eaea539b9911
SHA256

04525ffcc5de42cd6d8ccc984499bcd7dfc1c31e5d45b269d39cdaf914fea593
SHA512

3ef4d7b36b177b089be93f476486fe2e39035e5aef8a00227a855f03153432086fef2397ff387f23b6be7e48434fb3e3865fe35285d57ea950892b037147541f
SSDEEP

49152:u7/oOGzCbfHIbPuLYhHb4py3i25Nl2YY7Ug8m/65er8kEJ5nrGeqdZTsd:uzo7zKPIbPuLYh8ii25Nl2YYxO5er6vt

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://gezginlerkitabi.store/NzcyNjQ2ODQ5ZGJk/

https://sanatveeglence.fun/NzcyNjQ2ODQ5ZGJk/

https://eniyiteknoloji.icu/NzcyNjQ2ODQ5ZGJk/

https://bebekrehberim.baby/NzcyNjQ2ODQ5ZGJk/

https://denizseverler.boats/NzcyNjQ2ODQ5ZGJk/

https://tatilcigunlugu.xyz/NzcyNjQ2ODQ5ZGJk/

https://evdekispor.store/NzcyNjQ2ODQ5ZGJk/

https://oyunmekani.fun/NzcyNjQ2ODQ5ZGJk/

https://bilgipaylasim.icu/NzcyNjQ2ODQ5ZGJk/

https://cocukveoyuncak.baby/NzcyNjQ2ODQ5ZGJk/

https://yelkencilerklubu.boats/NzcyNjQ2ODQ5ZGJk/

https://sanatvecanli.xyz/NzcyNjQ2ODQ5ZGJk/

https://kitapdunyasi.store/NzcyNjQ2ODQ5ZGJk/

https://eglencedolu.fun/NzcyNjQ2ODQ5ZGJk/

https://ucuzteknoloji.icu/NzcyNjQ2ODQ5ZGJk/

https://bebekbakimi.baby/NzcyNjQ2ODQ5ZGJk/

https://teknevetur.boats/NzcyNjQ2ODQ5ZGJk/

https://yenilikcisanat.xyz/NzcyNjQ2ODQ5ZGJk/

https://elektronikstore.store/NzcyNjQ2ODQ5ZGJk/

https://karnavalzamani.fun/NzcyNjQ2ODQ5ZGJk/

rc4.plain

Extracted

Family

octo

https://gezginlerkitabi.store/NzcyNjQ2ODQ5ZGJk/

https://sanatveeglence.fun/NzcyNjQ2ODQ5ZGJk/

https://eniyiteknoloji.icu/NzcyNjQ2ODQ5ZGJk/

https://bebekrehberim.baby/NzcyNjQ2ODQ5ZGJk/

https://denizseverler.boats/NzcyNjQ2ODQ5ZGJk/

https://tatilcigunlugu.xyz/NzcyNjQ2ODQ5ZGJk/

https://evdekispor.store/NzcyNjQ2ODQ5ZGJk/

https://oyunmekani.fun/NzcyNjQ2ODQ5ZGJk/

https://bilgipaylasim.icu/NzcyNjQ2ODQ5ZGJk/

https://cocukveoyuncak.baby/NzcyNjQ2ODQ5ZGJk/

https://yelkencilerklubu.boats/NzcyNjQ2ODQ5ZGJk/

https://sanatvecanli.xyz/NzcyNjQ2ODQ5ZGJk/

https://kitapdunyasi.store/NzcyNjQ2ODQ5ZGJk/

https://eglencedolu.fun/NzcyNjQ2ODQ5ZGJk/

https://ucuzteknoloji.icu/NzcyNjQ2ODQ5ZGJk/

https://bebekbakimi.baby/NzcyNjQ2ODQ5ZGJk/

https://teknevetur.boats/NzcyNjQ2ODQ5ZGJk/

https://yenilikcisanat.xyz/NzcyNjQ2ODQ5ZGJk/

https://elektronikstore.store/NzcyNjQ2ODQ5ZGJk/

https://karnavalzamani.fun/NzcyNjQ2ODQ5ZGJk/

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/memory/4426-0.dex	family_octo
behavioral1/memory/4400-0.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
4400	com.calm.waste

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.calm.waste/app_allow/PakMBkm.json	4426	/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.calm.waste/app_allow/PakMBkm.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.calm.waste/app_allow/oat/x86/PakMBkm.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.calm.waste/app_allow/PakMBkm.json	4400	com.calm.waste

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.calm.waste
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.calm.waste

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.calm.waste

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.calm.waste

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.calm.waste
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.calm.waste
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.calm.waste
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.calm.waste

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.calm.waste

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
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.calm.waste

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.calm.waste

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.calm.waste

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.calm.waste

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.calm.waste

com.calm.waste
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)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4400
- /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.calm.waste/app_allow/PakMBkm.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.calm.waste/app_allow/oat/x86/PakMBkm.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4426

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

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.calm.waste/app_allow/PakMBkm.json

Filesize
153KB

MD5
418b41dcb9cc14b4a79b5ac2288ebcc2

SHA1
fb285c4a0809799119d368a65b13eafc8d23b379

SHA256
025e2a78ac0f350234f58a9df166ff9970b7e32938b6b7086c1a573af020eceb

SHA512
74b3bd34887376c6733725603654a3ae377021942321ac76c185d20ea523771fbe7e702598be8259d2535cdfec806f34f5fe5e886a1db5d313f40ca7fe801663

Download Submit
/data/data/com.calm.waste/app_allow/PakMBkm.json

Filesize
153KB

MD5
c47c11eeaa858be6d07a3637c585b7f9

SHA1
4f76ef45d18be5008b665779fc375d1b261f93f3

SHA256
57ac97f0a58b14210beb584932f8c092e7ac0cfde6234cfc37cd4823a4184e3d

SHA512
95d9395db482f9d827cd68260bfaa7cd57f33e35633e4ecca6106d50efe98a0b261d4558430a8a5c75c44ea1bafc4c64a3b4c41af9e82cf80fe951bc781f3981

Download Submit
/data/user/0/com.calm.waste/app_allow/PakMBkm.json

Filesize
450KB

MD5
0aa53e9e8643adab01f4be0bd722de69

SHA1
c6046e61aed8104efba2dc6b89c10a4a1770b0c8

SHA256
6c16a25fd896de3c98273c0201679d2f7f901a7e54f027bbf24c072e3fdc8fae

SHA512
5a9846268faaa8ca8017f8ce394b0818579c0da64446971cdbbc685b0504397c611c8324cbad63ef1237dc6dad40dc9cf6345ead7a1469db1a892f0aeea3c01d

Download Submit
/data/user/0/com.calm.waste/app_allow/PakMBkm.json

Filesize
450KB

MD5
bd324ccf497a06dfe31b556c53ec4b4f

SHA1
260f21145b1e1e90e517ad8e0556a53f9e1f2b23

SHA256
0ec33ef6434db63ffbf17671bf03a897ab1f81348a1829e79de1a3030a9129dd

SHA512
5b56499daf8d43171aa722f9c766b6c40d0311ec689f9f13fe74f815399b96a75fffd04e4ac2f6611364bbf743e41eeb1e4440454de88b54bb5d269a5ee2fdac

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads