octo | 3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb

Analysis

max time kernel
149s
max time network
151s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
25-12-2024 22:06

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General

Target

3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.apk
Size

2.4MB
MD5

88ce41617d7ad68305ef44f055e961b7
SHA1

995c8f4ec336c43a3e072b16582a1a1ebea776bb
SHA256

3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb
SHA512

6494b087a660e963cf6eb1be710bd93d429cf3bc6e3b3a968e3b733b287a90fcedb4fad970facf92bee7ac1f5559aac4fce6fc5426255163ac65e400a51646c4
SSDEEP

49152:eyTURaSLCdAGfJbX5v7AngR3irIrjdcdA3YZZRipp4Hz3wjA:D3SLCdfxD5v7AngR3P9OAIZe74T3v

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/

rc4.plain

Extracted

Family

octo

https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/

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.wellpoint7/cache/yqlvxj	5244	com.wellpoint7
/data/user/0/com.wellpoint7/cache/yqlvxj	5244	com.wellpoint7

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.wellpoint7
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.wellpoint7

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.wellpoint7

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.wellpoint7

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.wellpoint7
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.wellpoint7
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.wellpoint7
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.wellpoint7

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.wellpoint7

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.wellpoint7

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.wellpoint7

com.wellpoint7
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:5244

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

Replay Monitor

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Downloads

/data/data/com.wellpoint7/cache/oat/yqlvxj.cur.prof

Filesize
505B

MD5
13c7928d892c32113b84a913dff6bf24

SHA1
ab3755a9f116388655291467cce2885452d1d90f

SHA256
2cdad7441754e8fed1f24aba0b4994187bce43e2ffc3051f596a87e67ce6edae

SHA512
158315f583cd50732ace60c6810c0430b03529e060527258933446c98551af002d7f6479d9bca87bc934383dd57159747ed604675f4f6930f9574aa9f0d7f3b6

Download Submit
/data/data/com.wellpoint7/cache/yqlvxj

Filesize
2.3MB

MD5
4375c285a74d0e8ea4e938fc29cf84a4

SHA1
22114341ef1860ced1f3588b4d58e3e43d88981b

SHA256
945f3d7390cea89680bfa6397c5cf3e40f44f3909a3d9fc528586cd48619e935

SHA512
fca468af8ba5468f438e48bbc811d398633fdae0fc40ac9d503f22b7624151d31f73f94fb4d7fe9d33a64d64b9a9084a7d93c0c33a61de83f695515964a7c280

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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