Malware Analysis Report

2024-07-28 11:40

Sample ID 240617-pqpr8s1blb
Target 86a7dddce7e096b84a61b2379c12c78b.apk
SHA256 f9b0de27233dbf2a3a4db9b72d4f060805ad79e39485be6c636e254af5b24a93
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f9b0de27233dbf2a3a4db9b72d4f060805ad79e39485be6c636e254af5b24a93

Threat Level: Known bad

The file 86a7dddce7e096b84a61b2379c12c78b.apk was found to be: Known bad.

Malicious Activity Summary

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

Octo

Octo payload

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

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

Loads dropped Dex/Jar

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

Queries the mobile country code (MCC)

Makes use of the framework's foreground persistence service

Queries the unique device ID (IMEI, MEID, IMSI)

Requests dangerous framework permissions

Reads information about phone network operator.

Performs UI accessibility actions on behalf of the user

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).

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-17 12:32

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 12:32

Reported

2024-06-17 12:35

Platform

android-x86-arm-20240611.1-en

Max time kernel

178s

Max time network

148s

Command Line

com.endbetween46

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.endbetween46/cache/nkbkg N/A N/A
N/A /data/user/0/com.endbetween46/cache/nkbkg N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

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

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

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

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

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

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

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

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.endbetween46

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.234:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 dlounayyanimda.top udp
US 1.1.1.1:53 anilardvrimi.xyz udp
US 1.1.1.1:53 karakapkaraklpak.xyz udp
US 1.1.1.1:53 leardolordoloro.top udp
US 1.1.1.1:53 izlemebskasiyla.xyz udp
US 1.1.1.1:53 tabukareler.top udp
US 1.1.1.1:53 fesatokero.top udp
US 1.1.1.1:53 buzbuzdagdaglari.top udp
US 1.1.1.1:53 astralanahatarim.top udp
US 1.1.1.1:53 tutankamunhaci.top udp
US 1.1.1.1:53 lemanobelki.xyz udp
US 1.1.1.1:53 hadikapanikapatsana.xyz udp
US 1.1.1.1:53 kefalmefaltefal.xyz udp
US 1.1.1.1:53 saybyebyetohepiniz.xyz udp
US 1.1.1.1:53 yoktuhcfener.xyz udp
US 1.1.1.1:53 gecelerisvdmpkiyasen.top udp
US 1.1.1.1:53 kranliktaaradm.xyz udp
US 1.1.1.1:53 bilebilegndere.xyz udp
US 1.1.1.1:53 ruhumdnzincirr.top udp
US 1.1.1.1:53 tambanunakere.xyz udp
US 1.1.1.1:53 static.xx.fbcdn.net udp
GB 163.70.151.21:443 static.xx.fbcdn.net tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.201.100:443 www.google.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/data/data/com.endbetween46/cache/nkbkg

MD5 49942b1e9ef99dd6efd7610e2f4887a9
SHA1 8bda7cb915aba3b7026d8438357444c2f17673f9
SHA256 ffb1d94e8619a2bc50279883c65bd06b3690e5dee35b24b4dd65ef73583ba3c4
SHA512 3f308dc3dd25ff82711749c5ef03c7c9ff73c6835ef4c527a699d75b5cafd11cce9c4f1619200bf9f72c7078a73053f6b601d6dea01f7ce1e98719bf6c4c7812

/data/data/com.endbetween46/cache/oat/nkbkg.cur.prof

MD5 97e1478965b40f3d4b1d23a8531e81bb
SHA1 4f33b7657905765187121492814fdb9de39592a4
SHA256 c3985a3c7a1b5d6c847338558e5509c07ebe83c762c89d1b73a073b0257b760b
SHA512 cf2c57cf572b0685f72c410f9344cc623357c10fd6a74b60908a7cb2309b71b96124245b1d13f5331e6a970a6c333bf748e5b5a16ec4a4966a4a7e25a12be5f0

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 12:32

Reported

2024-06-17 12:35

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

179s

Max time network

130s

Command Line

com.endbetween46

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.endbetween46/cache/nkbkg N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

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

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

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

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

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

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.endbetween46

Network

Country Destination Domain Proto
GB 172.217.169.68:443 udp
GB 172.217.169.68:443 udp
BE 142.250.110.188:5228 tcp
GB 172.217.16.228:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 lemanobelki.xyz udp
US 1.1.1.1:53 gecelerisvdmpkiyasen.top udp
US 1.1.1.1:53 yoktuhcfener.xyz udp
US 1.1.1.1:53 hadikapanikapatsana.xyz udp
US 1.1.1.1:53 dlounayyanimda.top udp
US 1.1.1.1:53 tutankamunhaci.top udp
US 1.1.1.1:53 kefalmefaltefal.xyz udp
US 1.1.1.1:53 izlemebskasiyla.xyz udp
US 1.1.1.1:53 saybyebyetohepiniz.xyz udp
US 1.1.1.1:53 buzbuzdagdaglari.top udp
US 1.1.1.1:53 astralanahatarim.top udp
US 1.1.1.1:53 tambanunakere.xyz udp
US 1.1.1.1:53 bilebilegndere.xyz udp
US 1.1.1.1:53 fesatokero.top udp
US 1.1.1.1:53 anilardvrimi.xyz udp
US 1.1.1.1:53 kranliktaaradm.xyz udp
US 1.1.1.1:53 karakapkaraklpak.xyz udp
US 1.1.1.1:53 ruhumdnzincirr.top udp
US 1.1.1.1:53 leardolordoloro.top udp
US 1.1.1.1:53 tabukareler.top udp
GB 172.217.169.68:443 udp
GB 142.250.179.228:443 udp
GB 172.217.169.68:443 tcp
GB 172.217.169.68:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 172.217.16.227:443 tcp
US 172.64.41.3:443 udp
GB 172.217.16.227:443 udp

Files

/data/data/com.endbetween46/cache/nkbkg

MD5 49942b1e9ef99dd6efd7610e2f4887a9
SHA1 8bda7cb915aba3b7026d8438357444c2f17673f9
SHA256 ffb1d94e8619a2bc50279883c65bd06b3690e5dee35b24b4dd65ef73583ba3c4
SHA512 3f308dc3dd25ff82711749c5ef03c7c9ff73c6835ef4c527a699d75b5cafd11cce9c4f1619200bf9f72c7078a73053f6b601d6dea01f7ce1e98719bf6c4c7812

/data/data/com.endbetween46/cache/oat/nkbkg.cur.prof

MD5 e2016b64050e497bd0ded955aa4deab6
SHA1 df15638fb6751e96edb0ffe9ce671e8c253a0a3c
SHA256 5d9a8aefcddb0f76d7e1ff6c28bd5457b10a8c2e3b034bf1d680a658b34bfb4d
SHA512 0cd30110da745a2da64bcac84e8b37aa7bdd3e831fe9a718d75278e673a654692bb00cd6da65065ea193049ee7a102261fd5e000fe6e1c1bef54e2d3ca5976a0