octo | 1a1c44eb08ae0009d56c03349578d2bed5249fecfa4034268e2903d26f5e05b6

Analysis

max time kernel
22s
max time network
37s
platform
android_x64
resource
android-33-x64-arm64-20240624-en
resource tags

androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system
submitted
08/02/2025, 13:56

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General

Target

1_d8efd0e44d.apk
Size

8.4MB
MD5

35a1d2116129b916983847efd403521a
SHA1

708b476ab4c579dde5543ef1e8ebfa23f0f601cc
SHA256

a9a3ac83d69afd859727c1865335b84768fb6af3222e317ec01e5b3d743e6f66
SHA512

2f257a743ffc338950cdf60848da5ecaee18d47dd328c6d13ff3e23a55a280d302a491f35d94da37344c634c8b2f4423d6dcbee8021aa494d8ca16955d774e23
SSDEEP

196608:143raRilMWt3XPUJGZodMHzmfOUBWvYZS:143rP98GZHzmmUBWV

Score

10^/10

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

Malware Config

Extracted

Family

octo

DES_key

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
behavioral3/memory/4315-1.dex	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.toolstest_watch22/app_dex/classes.dex	4315	com.toolstest_watch22
/data/user/0/com.toolstest_watch22/[email protected]	4315	com.toolstest_watch22

Makes use of the framework's Accessibility service 4 TTPs 1 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.toolstest_watch22

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.toolstest_watch22

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.toolstest_watch22

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.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.toolstest_watch22

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.toolstest_watch22

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.toolstest_watch22

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.toolstest_watch22

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.toolstest_watch22

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.toolstest_watch22

com.toolstest_watch22
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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4315

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

Hide Artifacts

T1628

User Evasion

T1628.002

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

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Downloads

/data/data/com.toolstest_watch22/.global.com.toolstest_watch22

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.toolstest_watch22/app_dex/classes.dex

Filesize
1KB

MD5
c42b8bf6ce2dff3527c5f3897f15a5ba

SHA1
ea67e6af0477b239a5e833bb16332b57444ae541

SHA256
c896d1e7da1ad3fba4211a1d1cdff517df2bc9f81d6b956793a56fd503511c5d

SHA512
ca778e846a2bc5b1c12f49e28efc5f153d3ae820e95bd192e0f04710c634494db7f269717bd4209c738eec50211127beda0b943bfe1c1f4df145ff972593ed0d

Download Submit
/data/data/com.toolstest_watch22/cache/classes.dex

Filesize
1KB

MD5
42e8b9229530aa32210197e01a3ebece

SHA1
1302f13c88e3ec8d0834f17957766f1a7eb0f5a6

SHA256
0242cbbef33e30c3a32bfb37de79a1dcf50480fa4180ba76be7e92f24b5ac04e

SHA512
f5c25677a0a2515c114803cdcfcef70d7a6442612ed1fbcee9e842bede266944207a90d836342f0ddd45b5a39350d52170aa6e98a5b8067d0422f77cba0bec62

Download Submit
/data/data/com.toolstest_watch22/cache/classes.zip

Filesize
1KB

MD5
47c20d8eb5c3b0653d678e6373ed59a3

SHA1
80b1385089a58d53cb07633c45046ec4c7b03163

SHA256
ba6525e37e8e48328ba0d11a18a3bf87273bf2e2473fb84284e6074ab62ed285

SHA512
7022597f142b8e5a4ae127f5bb1c9e6f345233c09907c7777fc93ad0f47c3ccfcfa9bfeb01f7c0b3fb8ab826aff461ca5560da4e5ba635dc67100fd6b0b00927

Download Submit
/data/data/com.toolstest_watch22/files/.y

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.toolstest_watch22/oat/x86_64/[email protected]

Filesize
13KB

MD5
2af6bafa9b1c78ba450203a821875853

SHA1
9ae6cb9fd5f002ac1dacd1bd74b0872865b06a18

SHA256
931301d870328e0a15c08768eadec17ada3d886d38e8fb211b1089fea0776559

SHA512
5f096b0edddcfdceee4c6edbc73669b994df36a42a2ceade7ef4c026d970af91bccbbdfbba577f64816a85c4e303e2aa73d968be1357ab5e6cc10be6a95c54a2

Download Submit
/data/user/0/com.toolstest_watch22/[email protected]

Filesize
528KB

MD5
340b68b4a5995edf7c015a43749d8795

SHA1
11c0b5f4a57ec9953e0c1ca7a3229d73c0765f4d

SHA256
830eced7a2a3e0b8e39f19089eb35cc6e38acdee3fbe1a2c539bcb2409a41dd7

SHA512
3664c01f147432403d89dd01434327f8daa64fe290ffa9aad9363b170bc6d6dfc679c1b895b446e38bb6997cd8c02e2968303647607c50f5410d41a0eeb0ade9

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads