octo | 11c67c555c1ba93694cca7c15aefca46faad7db63f0c3e0dc52c103ca435d30a

Resubmissions

08/10/2024, 05:42

241008-gedlts1hmk 10

07/10/2024, 10:22

04/10/2024, 17:46

04/10/2024, 14:54

04/10/2024, 05:32

Analysis

max time kernel
138s
max time network
133s
platform
android_x64
resource
android-x64-arm64-20240624-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
submitted
04/10/2024, 14:54

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General

Target

11c67c555c1ba93694cca7c15aefca46faad7db63f0c3e0dc52c103ca435d30a.apk
Size

4.8MB
MD5

557d3b324e38e97004125d73e3c265bf
SHA1

c142025f6e058a2691fd21607e66fed61ac91b3a
SHA256

11c67c555c1ba93694cca7c15aefca46faad7db63f0c3e0dc52c103ca435d30a
SHA512

37c33b04c3b8f7bca9f2b2ded649d7740b08bc6adff0226d654938ca9782f621dba0baf4468bc32fc0f3a5c40efac0ff32e086180aadaa2067d39bc50a350f72
SSDEEP

49152:HRsEX9rGbtKooj7s45iS7xrGPGO7ttTjVKScjPYFogGMYRCOSa+C:HRs+CtFoj7l5iSRG7vVKtEG4E1

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

AES_key

Signatures

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

Octo payload 1 IoCs

resource	yara_rule
behavioral2/memory/4625-0.dex	family_octo

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.machine_applicationlf28/[email protected]	4625	com.machine_applicationlf28

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.machine_applicationlf28
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.machine_applicationlf28

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

collection credential_access impact

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.machine_applicationlf28

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.machine_applicationlf28

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.machine_applicationlf28

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.machine_applicationlf28

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.machine_applicationlf28

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.machine_applicationlf28

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.machine_applicationlf28

com.machine_applicationlf28
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries the mobile country code (MCC)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4625

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.machine_applicationlf28/.global.com.machine_applicationlf28

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.machine_applicationlf28/files/.w

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.machine_applicationlf28/oat/x86_64/[email protected]

Filesize
356B

MD5
9794ff722f3756fcb04b859ee161f8bd

SHA1
528fdd8b213f52854620751b5187528a6b3da90d

SHA256
e0c711e95003aababacaeb01dec9ded7029b9ba5c1b037310e4a19ad69e864ff

SHA512
479063ebce88b884b5add2ff8fd3f8891585e8fa0353832170093efcbc872278b629583ae305f14a8ef1b72a26a93b027b42b68a80dbb5b8da2952279b5cc5d4

Download Submit
/data/user/0/com.machine_applicationlf28/[email protected]

Filesize
526KB

MD5
e288b4389026a4be2fe8c2d44c4234c8

SHA1
e8eab7478f924492b48b070de2a473fa72ab2ead

SHA256
0dc1451e270547123ac13878079c693adb06589fb606240c03611ade225c4295

SHA512
db8a318d398c8ce14c7a30a1a013ed691415146fcce38593cb84b0ee27326f6972b349f8a1da693f26930c24254af8eb6b4a7ccb7f1c723247bcf7d34c195675

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads