octo | 6959f7885c037b03d6016258ad09ee936c5ba3e47f1c2f633557c8411cb0d5ea

Analysis

max time kernel
147s
max time network
130s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
11-01-2025 22:01

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General

Target

6959f7885c037b03d6016258ad09ee936c5ba3e47f1c2f633557c8411cb0d5ea.apk
Size

541KB
MD5

efaab0f90d1b04d43b97f3f3ad8f15f9
SHA1

e4dfc62067ff55b19c90cc6ca91162eed51d8d42
SHA256

6959f7885c037b03d6016258ad09ee936c5ba3e47f1c2f633557c8411cb0d5ea
SHA512

a8fd2318cc830ed06972653382eb5d1ffe745dab0c99b117f7309050619bbd45180da4ed6791d36e245611828702e715c2725c59434d48a6c9713d0dc42c8f0c
SSDEEP

12288:vHU+kaNpeuc5sX94mK58SNbVqlXcURqK8obEXwUYfz1Kkx/XXm/g5n46:XkQ5AYtlybVqlXc1K8ogXzYb1Kkx2in9

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://uhgtr9jjdiuriegvjudf.top/N2Y5ZmU3OTI5ZDky/

https://ukhfrerl84hnfjdlns.online/N2Y5ZmU3OTI5ZDky/

https://menetory4gert.xyz/N2Y5ZmU3OTI5ZDky/

https://hdewuhunfrv74f.site/N2Y5ZmU3OTI5ZDky/

https://kuurjfds8rjrdiwse.online/N2Y5ZmU3OTI5ZDky/

rc4.plain

Extracted

Family

octo

https://uhgtr9jjdiuriegvjudf.top/N2Y5ZmU3OTI5ZDky/

https://ukhfrerl84hnfjdlns.online/N2Y5ZmU3OTI5ZDky/

https://menetory4gert.xyz/N2Y5ZmU3OTI5ZDky/

https://hdewuhunfrv74f.site/N2Y5ZmU3OTI5ZDky/

https://kuurjfds8rjrdiwse.online/N2Y5ZmU3OTI5ZDky/

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
4251	com.birdfourj

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.birdfourj/cache/awfrmdmso	4251	com.birdfourj
/data/user/0/com.birdfourj/cache/awfrmdmso	4251	com.birdfourj

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.birdfourj
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.birdfourj

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.birdfourj

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.birdfourj

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.birdfourj
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.birdfourj

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.birdfourj

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.birdfourj

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.birdfourj

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.birdfourj

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.birdfourj

com.birdfourj
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)
PID:4251

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

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 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

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Downloads

/data/data/com.birdfourj/cache/awfrmdmso

Filesize
449KB

MD5
4ca46b5f673fc29bb3cd32f5bb600a2e

SHA1
fd89094816384690a47ffb341abc104ee17d99da

SHA256
fe4360e81b49f6f9f0059e65bc7dab774a021c84a0e2f87e0b0e85b5f3ead3bb

SHA512
fbf28a2d6626be2c54656f8abb622aa0892599c427f815f13910a35e0cc3ebfcc2844e421e2693c5e31cdae6a3f0b2b98dff4f6d5d43592e827d85fe58d75315

Download Submit
/data/data/com.birdfourj/cache/oat/awfrmdmso.cur.prof

Filesize
520B

MD5
3e3e9729a94d9ae36d8bd5f7abf2bf81

SHA1
043edd8585fc3b461b908cc227d3fb8ece251d9e

SHA256
2ff2c39b80e85228054eb1db367a2501d4779a61cd54476e93fd1c843a444e4b

SHA512
889245ecfcbce937de9d8197951b9c55be1ab691b1a216134bff5cbf3bc0d4a341f5e2fcc9e32e7659a36023c57450688641ce099907109041fd34ff140bf13b

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads