Malware Analysis Report

2024-09-09 13:51

Sample ID 240716-1xc8kasbnn
Target d1eae74a24041cfa9691b3d52c7b6343c545f7b39f043a5be1730782703896ae.bin
SHA256 d1eae74a24041cfa9691b3d52c7b6343c545f7b39f043a5be1730782703896ae
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

d1eae74a24041cfa9691b3d52c7b6343c545f7b39f043a5be1730782703896ae

Threat Level: Known bad

The file d1eae74a24041cfa9691b3d52c7b6343c545f7b39f043a5be1730782703896ae.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo payload

Octo

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

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)

Reads information about phone network operator.

Requests dangerous framework permissions

Declares services with permission to bind to the system

Requests modifying system settings.

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

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

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

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

Queries the mobile country code (MCC)

Performs UI accessibility actions on behalf of the user

Makes use of the framework's foreground persistence service

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

2024-07-16 22:01

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

2024-07-16 22:01

Reported

2024-07-16 22:13

Platform

android-x86-arm-20240624-en

Max time kernel

170s

Max time network

139s

Command Line

com.correctmoretu

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.correctmoretu/cache/ljcxt N/A N/A
N/A /data/user/0/com.correctmoretu/cache/ljcxt 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
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

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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.correctmoretu

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 hava540derece.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
US 1.1.1.1:53 sicaktanbayilcam52.com udp
US 1.1.1.1:53 selamcanoonaber.site udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp

Files

/data/data/com.correctmoretu/cache/ljcxt

MD5 2b8b5e09b5b2ee92643ba28caa0ec340
SHA1 38d2bac32ed41846dac29335b85e27a931813230
SHA256 32d9542db47d803db3c0b7e5ed65182198cb2ca7eb39995a39ae6c2f4ab578f6
SHA512 c8c7e761704492ce2b6a2c828c2b7dc7d0539bd32cbaa30403be233f5f1bdb0fa632bd509e24f5ae2400ea98fcc63489f13242fc0c5e9fb575d7fb33bad03577

/data/data/com.correctmoretu/kl.txt

MD5 cc0cdd8f2bf22ff92cbd1d29481a75fb
SHA1 4ea213eb5844a1c4532b93e5d83f23550377ae57
SHA256 5aa5f538c535aeaf80b4a932beb917263798384e02b4462f1caa0fa6f5a7b454
SHA512 4b90cc4885457533de8bffb9657d48c761e630b4109702d3e667c7c99b497842d1474a8b7ea3d641beeebad4108d5d26fd0be4f7b5bd94807a40312e467a3b7b

/data/data/com.correctmoretu/kl.txt

MD5 3838fd48c2220bf661ad1c970fd2e9ca
SHA1 e79094f7141fa2fb28331dd5ead4417c45c0c6a9
SHA256 17365c53493d12089143b5cb1d8b1e06f26a2ee79de23373b5c716866685e1c0
SHA512 66c81b3737720d4341d522a578bb2b039bbb54028dd41dd368b2d60208ad53a168d3c356f997d01e66292b087c70bb069b539266ef695074b88bb076b1144f11

/data/data/com.correctmoretu/kl.txt

MD5 73f3b696adecddcd00d91d65721dc866
SHA1 0f4d690d20c139617e822a95eb409fc5f99739c8
SHA256 37c91d7ecef787d22ab37e4fc468c5dcf2cd6b621f4950d66081856270c1af87
SHA512 879a803f50bb922a3efe813a7d58dc4dc9507fbcf91c062106c025e01d1563c2bc038ee51b7ee19006a833286349db6a9e065f21b2820f546e5a4803f42786a9

/data/data/com.correctmoretu/kl.txt

MD5 47734bd4a98e60acbcc5dee1812d8167
SHA1 3b50e484864f2dbfdbb54f2cd215438b69747b3a
SHA256 19ee5109d08580e4fdcd1c34b2dc7f60f7944e55bffa71c8b11a44dcec3208f8
SHA512 42e4f442365e5f6575009fcc4cff4ee8a0c31f134de9ac850364e021f37e6c405e71d9fc3bda36621831223bf31b59668cfe2218685a236953d7958459c005a4

/data/data/com.correctmoretu/kl.txt

MD5 b6886090bdcf6c61ec2cff3d228b248a
SHA1 2461d2e6c5b94bac1611ca3f4dae70c145b484cd
SHA256 8e5d9ee1fa9f3f9452f71c026fc5a25bc5f62b2865d000ec32f0cdb3fea8e44c
SHA512 175918d49398239e93eb4ab534e90f20181ccb4f40640301dd2b9093aa59ba530222c9c65bd5eb534839ed43af45b886f233adeda10e174969c78cf036ad14dc

/data/data/com.correctmoretu/cache/oat/ljcxt.cur.prof

MD5 6c91403144659a5d2c2d6226afc95cdb
SHA1 6bd8fac23c657ab41e7b45424b4d806bd7e0b394
SHA256 e7536b025c76ca143d853e6db9923cd6cf7274abe659fba0e026f7a5be4f413f
SHA512 b59564cf584cda79f03d995f137b6678568a81f39a95f1ced6521b43dbd3a8bd435be693ccc9ab191cc41e9cf4a4f501491748ce085ca056023e1205e5bc7528

/data/data/com.correctmoretu/.qcom.correctmoretu

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 22:01

Reported

2024-07-16 22:13

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

139s

Command Line

com.correctmoretu

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.correctmoretu/cache/ljcxt N/A N/A
N/A /data/user/0/com.correctmoretu/cache/ljcxt 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
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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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.correctmoretu

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 otururkenterliyorum42.com udp
US 1.1.1.1:53 sicakdanbeynimyandii2.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
US 1.1.1.1:53 selamcanoonaber.site udp
US 1.1.1.1:53 hava540derece.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp

Files

/data/data/com.correctmoretu/cache/ljcxt

MD5 2b8b5e09b5b2ee92643ba28caa0ec340
SHA1 38d2bac32ed41846dac29335b85e27a931813230
SHA256 32d9542db47d803db3c0b7e5ed65182198cb2ca7eb39995a39ae6c2f4ab578f6
SHA512 c8c7e761704492ce2b6a2c828c2b7dc7d0539bd32cbaa30403be233f5f1bdb0fa632bd509e24f5ae2400ea98fcc63489f13242fc0c5e9fb575d7fb33bad03577

/data/data/com.correctmoretu/kl.txt

MD5 1423150fe0d5f20b63657bda8b8c04da
SHA1 cc93a7821b2d8f54b6f837a52ce079cd9f4ad44e
SHA256 88ce7a305f685d73854baebb366ae9caa6380b76f81b2ae568e34007ec674672
SHA512 332c540577534e89a228104b408e312f57e7d1e75fad03d580accfde149e84ac83812f09df70b7a2a3f981fddc236473c95ae3a8a21d4ef542a7d1714d4a44a0

/data/data/com.correctmoretu/kl.txt

MD5 d5347611b174d6c0aa37e0302dce290f
SHA1 66a5d5bfe7ede1f5a0d5df4cee127f720e0910e7
SHA256 1df63bd675ea7e7a3e0091e0ea6259160fd352025d2ab0c4c8f89f97ee5f2487
SHA512 78de3f2344fff943d6506f2b38a7571f1f02a2916d6f1677e5fdc6aa69f1b007e0c0013cff45ce40ef7930fbdda8cecd9c74f071e82c247f13b0ec3c3c3139d9

/data/data/com.correctmoretu/kl.txt

MD5 56691b84d85d883b259fabc635ef6417
SHA1 ce1a8d133ac96485b4266d1620f6eb753080fbf6
SHA256 3eb74985777df27fe00ddefe915da4ded565d6822d7cf45e979ea177523cea1d
SHA512 4fbe4640d01b81091ac26a39418214b9bd8d303b0c0064c25f3126638a45ebd076640a9663bdc2bc1d8a9f94f071acddd4f3d67029ce22698c848c808dd6fe47

/data/data/com.correctmoretu/kl.txt

MD5 7828c705c1b17532115a451f39679e0d
SHA1 fca06c67c17283354607825db0c4166f13b67b4d
SHA256 0c11e2a72e7843c59dcd737340501e9d7b72439ec260db54d4136834dbd18f51
SHA512 bed4f7e23a1b8c30a1f1a48c2379284f01f9982d8e93eaca3ce39e79147883672a17be8c5604a1edc58aaf6f44a17206ef347c8c6288252578a2e22caeb73b90

/data/data/com.correctmoretu/kl.txt

MD5 c7bc8661c01ab277728bc6c6d2402f49
SHA1 7e563b6bd8a49d7232f7dc78870e1ebd73ec9c73
SHA256 ae48c2072a6821d3bf59253b616d9e958d9bc0da3321f30029000ab22a275c7a
SHA512 c95987996a4e5f1847abe819862d04bd4ec59769c6a54857aa35e8d3fc66ebb7e05e4f621de32491cee4f297155d9a2a2c20f16fc101ad22ba3fb7eb7c5b8db2

/data/data/com.correctmoretu/cache/oat/ljcxt.cur.prof

MD5 38ddf4b897e6d013ce867ccc8bb90ea9
SHA1 55a1f8727cf556d636e604365d759c4cf84db368
SHA256 4ea786099fe22755fa5582709d579cc2449917261c581e3fb79256d0e263fe15
SHA512 8c922bcbd45adb0db7699f60e5d9f68606494c11adc92da7d8d1353dad8bf54ca72619761d16746ee10a4f19d11a391fc6e03db648b893fcc5656c794d75587e

/data/data/com.correctmoretu/.qcom.correctmoretu

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c