octo | c5dc90524d6a5d71f9ecdb5f36bc23ba652d529d832237bf4b44b7be9a63a3c5

Resubmissions

04/11/2024, 17:27

241104-v1mzaawqbm 10

28/10/2024, 09:33

241028-ljef5swdrn 10

24/10/2024, 22:08

241024-12hnvavhqc 10

Analysis

max time kernel
129s
max time network
155s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
24/10/2024, 22:08

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General

Target

c5dc90524d6a5d71f9ecdb5f36bc23ba652d529d832237bf4b44b7be9a63a3c5.apk
Size

561KB
MD5

d875645abff7a93cbe117b48a88cb9f3
SHA1

99bfad6185c3e1c4119dc1610f033a12d2a18f58
SHA256

c5dc90524d6a5d71f9ecdb5f36bc23ba652d529d832237bf4b44b7be9a63a3c5
SHA512

d556eb4036956a45ba2097063fe220953b6682c54ce7ff126c6c17fbc78695fcebbf358517de78ebb8e6cc18ea808aa0b1ec2e1e2fef40b911269cb0a6c450e0
SSDEEP

12288:rjSMYTLd+pXGKMnjSUFkrhrjmK+cNIP8yf0exdZ4EOJ0IXUL2mtMmGSvJ:rjSMYTLd+pGKiGhKfFPzZlYUamimGSR

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://9230c9aeaaef65735d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://4230c9ae665d66666518e48eac59200.com/ZjA3ZDcwNDc3YWYx/

https://2230c9aeaaef6435d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://1230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0030c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://8230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0088c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

rc4.plain

Extracted

Family

octo

https://9230c9aeaaef65735d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://4230c9ae665d66666518e48eac59200.com/ZjA3ZDcwNDc3YWYx/

https://2230c9aeaaef6435d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://1230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0030c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://8230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0088c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://3gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://2gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://4gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://5gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

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/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.ruleobject7/cache/onkqufu	4971	com.ruleobject7
/data/user/0/com.ruleobject7/cache/onkqufu	4971	com.ruleobject7

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.ruleobject7
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.ruleobject7

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.ruleobject7

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.ruleobject7

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.ruleobject7
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.ruleobject7
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.ruleobject7
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.ruleobject7

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.ruleobject7

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.ruleobject7

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.ruleobject7

com.ruleobject7
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:4971

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.ruleobject7/cache/oat/onkqufu.cur.prof

Filesize
512B

MD5
279b6dd46d2057f679bd6f9b45c6c280

SHA1
e46d971da92666240c9add2bb3fdf0723923b07b

SHA256
b34895b8244abd00687f6f5e8446ecc3e1e94a4a351521a4e8585adcfd999806

SHA512
75ccde4152da60be7c0be36288f23d2fd5f0ae2c425009058be2816e3ab72afc8a1bf70b0c5198f73a1b0eff1a709e5eec8fb811297f026cf84d378b64675dbe

Download Submit
/data/data/com.ruleobject7/cache/onkqufu

Filesize
449KB

MD5
872bbc09e21281256b8a174bb3538a27

SHA1
531f630b4c68818d92d7c34705d58379ecd62510

SHA256
78205148faaf34a171b1dc36f063f66653bcfcf100ea6c5352085dbfccb1f8ce

SHA512
6b1b5f3436cb570c620e7c3481fae4d13c4a964698e0276b99faf2888ab9375e296602ba373397f2b3edf2b678f5faba52ecf3ceac27afd30d4d6bc897eb5b46

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads