octo | fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a

Analysis

max time kernel
149s
max time network
158s
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
28-10-2024 15:45

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General

Target

fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a.apk
Size

9.5MB
MD5

effc0c4df2687163b906947c7d1edcfa
SHA1

a159f22b3f2dcc9b4610f3a5f22faf3eed5b7bad
SHA256

fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a
SHA512

e24290f81f59f8aa98de8739d2d277a14dcd3e3290a95c721b5bfc3b883d28262d5d583c104d0d62616bfa14ec4fd63959041c4abbc22bd8ffa301140c1a1c9a
SSDEEP

98304:qMVUxnVKaPYm3Xc5iSRGBtRsUIacFoUHawHkhUacLQ539bCVSkBl:qMC1Ug53XcrARnITCU6FCVBl

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://775f953213e72f9498cb3dc26e7d5ba8.xyz

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/memory/4306-1.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.hapi_calculator19/app_usage/rqbj.json	4306	com.hapi_calculator19
/data/user/0/com.hapi_calculator19/[email protected]	4306	com.hapi_calculator19

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.findAccessibilityNodeInfosByViewId	com.hapi_calculator19
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.hapi_calculator19

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.hapi_calculator19

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.hapi_calculator19

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.hapi_calculator19

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.hapi_calculator19

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

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.hapi_calculator19

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.hapi_calculator19

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.hapi_calculator19

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.hapi_calculator19

com.hapi_calculator19
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:4306

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.hapi_calculator19/.global.com.hapi_calculator19

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.hapi_calculator19/app_usage/rqbj.json

Filesize
1012B

MD5
86fcf676dece74635dac497dfa2e0ce8

SHA1
489e161a509acf1572199695daa1dc517df2b863

SHA256
b63e233f979ce26b3bee965d6bb5b923d2a8bdca023e887bb98049ab80d5b911

SHA512
f399eae90fffb4cd400c6003e754a3dc51e3ba37392f1faf71081311055a31ea88ec813b7b9dc6007232dcf37e457c97cf481f1ed225a9b6d20e702a4c4af454

Download Submit
/data/data/com.hapi_calculator19/app_usage/rqbj.json

Filesize
1012B

MD5
91e9cb5da3ca7ea4a2764c33d39bb3fa

SHA1
167dc5eb884b5880a5f3641d641a477704e703ce

SHA256
57f83cb67b46184a7c5eb233267b92cbb00d6c72319eea5311d06938d130a047

SHA512
2017b4879ca0c5380753cb65404eb7795aef8aa07df462f78591e56ef78d82c230533302bcfd2c11d9bde0658d98fedee0f52340421de7a16b2046f98e152b60

Download Submit
/data/data/com.hapi_calculator19/files/.k

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.hapi_calculator19/oat/x86_64/[email protected]

Filesize
13KB

MD5
9e5c34439913a634d03a8386710dd84c

SHA1
f510508cc156dc7630f56b9474ffeeb720988889

SHA256
71372b12a9260a9133e7a2d52a9b2909102149334ad6ddb6d7cbaa8d19f87bd1

SHA512
82edf72c9e4a6e0c5a2dae1f61114e7cef35ed4ca379667c507e8b6e068e58e9594d4ebd38a0ab2d82fff58e2f0a01991364c8d67543301c45b9dbcf287adc9d

Download Submit
/data/user/0/com.hapi_calculator19/[email protected]

Filesize
526KB

MD5
3cb44691b35eaec927974bac7c1c5bde

SHA1
b781dd93db17c31ab9e574717689574bd0fae908

SHA256
c19a721c5d15f3d3883198ef22ab328e1db5ac1fcda7fadd2eff20975623c247

SHA512
4894b25acfeebc309fef16630ad8abdbe8f27ad2b1af2082b7cbe6a00c3c07ce421bf0e02a83b1ea0acd8e026e98feff5ccca76564a0c974b2d22319753da76c

Download Submit
/data/user/0/com.hapi_calculator19/app_usage/rqbj.json

Filesize
1KB

MD5
2034f3fb71f7fafad1aa220b4505c0b8

SHA1
82fc4ab9d71c1fcb600a880c1f71cf68118abf89

SHA256
cc2bfe1440551da2eacc33598dcee115851d4564c2fdb41e003e100d1b2e7339

SHA512
df9c49b3534a5dd0d748087374203fed362596bb5fcd966168057d3513ecee6fdf904d6d8e74c91abcce1f662372eab4ce31d7355edc0e0f453f3237db84fd56

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads