octo | 48796872cc6c33cd667f0be5b3dee4c729cd153fb910bf98f88804a93755dca0

Analysis

max time kernel
149s
max time network
151s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
04-01-2025 22:02

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General

Target

48796872cc6c33cd667f0be5b3dee4c729cd153fb910bf98f88804a93755dca0.apk
Size

541KB
MD5

0bd94271a27635454ce4e68943dd5af8
SHA1

a39e0a341cc9ca3465c876639ad4d98184af9896
SHA256

48796872cc6c33cd667f0be5b3dee4c729cd153fb910bf98f88804a93755dca0
SHA512

3e8aa0b34ebe7ee52855db24d40776d20f27bdc46462cd8789bbdb058616280c57887027cac2a2589e1dfc79307851a4901bc8728fcfc52556a39a42d2c54a7f
SSDEEP

12288:Dyvo7jfRnqwyTeb34ux7okzdx6hke9WMZY2jQOldOxl:eohnqFebFx1x6hkeMMZYWQOXOxl

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://keplistensan.site/YWRhZjAxNGM1YjFh/

https://ikranjsfyu.space/YWRhZjAxNGM1YjFh/

https://ujsayhhfsakl.fun/YWRhZjAxNGM1YjFh/

https://hduuooasdj.website/YWRhZjAxNGM1YjFh/

https://pkasjjfoosa.host/YWRhZjAxNGM1YjFh/

rc4.plain

Extracted

Family

octo

https://keplistensan.site/YWRhZjAxNGM1YjFh/

https://ikranjsfyu.space/YWRhZjAxNGM1YjFh/

https://ujsayhhfsakl.fun/YWRhZjAxNGM1YjFh/

https://hduuooasdj.website/YWRhZjAxNGM1YjFh/

https://pkasjjfoosa.host/YWRhZjAxNGM1YjFh/

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
behavioral1/files/fstream-1.dat	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4288	com.knowpointa

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.knowpointa/cache/vgibokjc	4288	com.knowpointa
/data/user/0/com.knowpointa/cache/vgibokjc	4288	com.knowpointa

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

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.knowpointa

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.knowpointa

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.knowpointa
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.knowpointa

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.knowpointa

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs

collection credential_access

Access Notifications

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.knowpointa

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

evasion

User Evasion

T1628.002

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

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.knowpointa

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.knowpointa

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.knowpointa

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.knowpointa

com.knowpointa
1⤵
- Removes its main activity from the application launcher
- 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)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4288

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

Hide Artifacts

T1628

Suppress Application Icon

T1628.001

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Access Notifications

T1517

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

Access Notifications

T1517

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.knowpointa/cache/oat/vgibokjc.cur.prof

Filesize
479B

MD5
5d7d77b26bc4a8f695f8e4fdba5be27b

SHA1
d9a6fe0d1d845614edc949e380d4b180769a4ee3

SHA256
544ffc5798d8214095b76e4da79b6b52066cce9949419a004296b38e7fd686c3

SHA512
40d67cd2772f3141fc207d04df55f31b0948e44306e86630be1273bb5864be9fe76fd6195b73a274ad06500d4b1b170ca388997a0917093270b6e39ce4d9dc82

Download Submit
/data/data/com.knowpointa/cache/vgibokjc

Filesize
449KB

MD5
6fd290be54e4580c7bf1a2bba3529394

SHA1
f6866869b310711d701de647c983ae4d0ed47384

SHA256
2e78d67eb83ddd9760fa56f7feb36b949382540c89f678c6d902e29c156f8903

SHA512
3ce92097e84c709e4139c13815fca050768f5e1692916a29e27d2afcde6566f672b203fda454134872e261545dbb89cb5114af5059fd4b1b3833a0d6225b7c81

Download Submit
/data/data/com.knowpointa/kl.txt

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

Download Submit
/data/data/com.knowpointa/kl.txt

Filesize
63B

MD5
89ec8ae406316beb8130f10c72b21689

SHA1
d80b8a14d0a788ba0fbf8310f9caec6d915c29ee

SHA256
f6c2e377c7e311711b576ec091834c230049f6a885af6b6faf3ae3d413079787

SHA512
7b229097681f1c9f707ca6e8958b8d4619f9afe314d2b65f881d9db17f39eac018419e0334a1e84c850c2000585fabb493d7d0baa7edbaaebfcf93f2563adf23

Download Submit
/data/data/com.knowpointa/kl.txt

Filesize
54B

MD5
943c4459fab10ac9dbf2fe52b32ce240

SHA1
d131d4e501711e1b048009a9d2560db402361f66

SHA256
d10af27dfedddc9f1b9956647c24db72571ec2407e0eb894afaad0d5a13ebf62

SHA512
5eb9e562907b9627767b097199dc8fee85cfb852547e25f5a50195f7a774a1ff2c1cee8a2ea390b2aa6fcb5ffbf7d9a2d12288a30d93ddcf992d0999729130ca

Download Submit
/data/data/com.knowpointa/kl.txt

Filesize
63B

MD5
db1fe5b09eeb00c52611fadb250a94c8

SHA1
5773ca99f96286c518a7cadc27b37cb5c19b04ba

SHA256
86174ec116da1a5eda2c0cd9a658bdd99fe86d125511b825584cafb2ae63a753

SHA512
9a05ae551616dab7616b0a8d6219e91260548cff259eb7def3585ddac1b2ee3a26c9441499243f817a01fbd902a1b573b4d7f51c1763aacb27f64d9323030ccf

Download Submit
/data/data/com.knowpointa/kl.txt

Filesize
423B

MD5
2aec5d0763a5c2368d1ccd1aecf0c7f6

SHA1
b7f142ee2318e862e16dea3e240c832bbf91d301

SHA256
a70ff0f3e6c1a616c6ded196affc506c07facff8918ccdd88d94cca3efc3f72d

SHA512
6e2e76738a16a0ec21d7d02f4c19ddc5cd9e276238be192510d058b43dec00bbe6050339cf3068b0d9096a2f73bbb0fe1595cca131ef425294bcc90bde24a015

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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