octo | 365a86eaa7f723ba18779d046e4f0ccd60ff4045886024a203ab2f67585e7d4c

Analysis

max time kernel
142s
max time network
148s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
08/12/2024, 22:01

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General

Target

365a86eaa7f723ba18779d046e4f0ccd60ff4045886024a203ab2f67585e7d4c.apk
Size

2.4MB
MD5

829a5f4e57c01e7e45017c50cf293958
SHA1

043bb98013d63baf90206e6aa455c2de78777e94
SHA256

365a86eaa7f723ba18779d046e4f0ccd60ff4045886024a203ab2f67585e7d4c
SHA512

3d4dabd25ccd5d8e2d239882f8442994ea72aaaf688bfb8420376a3ba6749d11e7065b2f0c50717c253f996035ff17b64ebfdefaf963712fbbd6a3db1b4a6d53
SSDEEP

49152:P9j9UcmABFqs/A5fEozZxk8/LJ31aHDQeuuETQ5WMAKiJMpa4Gmhj3ygDB:pVpbA51z7k0LJoZuQcVJ6a4Gwryw

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://zzd768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://22d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://34d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://as4d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://4d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://44768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://466db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

rc4.plain

Extracted

Family

octo

https://zzd768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://22d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://34d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://as4d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://4d768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://44768db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

https://466db37e5e2f5a7fbc0fe1fee5b311.com/YzhkZjQwNDRkN2Uy/

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 1 IoCs

resource	yara_rule
behavioral2/files/fstream-1.dat	family_octo

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.warmyou90/cache/eqfcpg	4974	com.warmyou90
/data/user/0/com.warmyou90/cache/eqfcpg	4974	com.warmyou90

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.warmyou90
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.warmyou90

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.warmyou90

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.warmyou90

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.warmyou90
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.warmyou90
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.warmyou90
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.warmyou90

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.warmyou90

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.warmyou90

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.warmyou90

com.warmyou90
1⤵
- 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)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4974

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

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

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.warmyou90/cache/eqfcpg

Filesize
2.3MB

MD5
45f8affdf381a6aa227817fac89b5392

SHA1
57f3586ae6015c12029e26c9089c24345e77ccfc

SHA256
d92e5337a05450b0ee715d5a8f47651f1b529f4788d2ba2f1f5b39a49cca22a9

SHA512
ea33053f874b72916e8382a3462f14c959e1e8fe299f3eb6454e2bca433fd42761b4da6bca605427ef9b6687eb4f9373bf5f72eb98c8f31919de64f61254c8f4

Download Submit
/data/data/com.warmyou90/cache/oat/eqfcpg.cur.prof

Filesize
504B

MD5
e1bc43aff6d111edd4b4d8fdc8e6a998

SHA1
5cae547ba4b4a8720d4ccbd4f07112bea0780ae2

SHA256
e9a45ad0be78c4744c5cb7084e1da7365f0f3ce415ca5d1f8f01e4e84665d5ec

SHA512
81e39f55209b9d3cbe6f04f2cb381d9770d2a96bca92e624bfc26f98ec1b01df518fb364f7c23b5d4b1b343909b831e45bdaa326c7c8e3ac57f6aff914ed1d58

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads