octo | c423d040a498a6182f0ef110cbbfbacb8f49e01622781ba5eb88a6297856b01d

Analysis

max time kernel
149s
max time network
150s
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
11-09-2024 22:11

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General

Target

c423d040a498a6182f0ef110cbbfbacb8f49e01622781ba5eb88a6297856b01d.apk
Size

541KB
MD5

ea6e311f6ffbcc9e0f10deebbed6021a
SHA1

16487046424e6d4a0f978a6c91e14b96a59a4a1d
SHA256

c423d040a498a6182f0ef110cbbfbacb8f49e01622781ba5eb88a6297856b01d
SHA512

df828e01c8ee100de7cb111386dc241c88337b7e5e736e258c5ec3e90fb7a1f0ef45e9a16a6978d00c84d83d8af39ce1c2b3d4077f5fc240b0e768689831d72a
SSDEEP

6144:s9NMfGzRrVbmjxINJA2Sfk/1itmsaSS/WqLkN0uMHc9wUBvSh0wtB5jeRVYDEbjT:s9hHmjxV1tmsKW2k6OOleRW9JguG

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://aiposcmplso2.com/YTFlMzViNjNiNWM3/

https://aiposcmplso42343.com/YTFlMzViNjNiNWM3/

https://aiposcmplsoi343.com/YTFlMzViNjNiNWM3/

https://aiposcmplsoi3467.com/YTFlMzViNjNiNWM3/

rc4.plain

Extracted

Family

octo

https://aiposcmplso2.com/YTFlMzViNjNiNWM3/

https://aiposcmplso42343.com/YTFlMzViNjNiNWM3/

https://aiposcmplsoi343.com/YTFlMzViNjNiNWM3/

https://aiposcmplsoi3467.com/YTFlMzViNjNiNWM3/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat 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
4336	com.theirafterq

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.theirafterq/cache/imjafflqxpzrqo	4336	com.theirafterq
/data/user/0/com.theirafterq/cache/imjafflqxpzrqo	4336	com.theirafterq

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

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.theirafterq

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.theirafterq

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.theirafterq
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.theirafterq

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.theirafterq

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.theirafterq

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.theirafterq

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.theirafterq

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.theirafterq

com.theirafterq
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:4336

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.theirafterq/cache/imjafflqxpzrqo

Filesize
449KB

MD5
bdd419af74c8c5a8102be9da36738554

SHA1
7d64429f308c5c49910fdddb236f8af14af2bf99

SHA256
ba1f4730fb8f59bcbe25f11fbbcd5c91c640328b208787ddc3e021f5436aca71

SHA512
1370439cc09a8fd1686c71aacb567a553ac6875a867b96b5bf2ab9d3d3bd25679adfebca52f9acdde4e7fec3b2741eda4bc39d272d8e2adf571fc1645742e784

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/data/data/com.theirafterq/cache/oat/imjafflqxpzrqo.cur.prof

Filesize
535B

MD5
ce538eaa3b7cbf1670d3fc05a69b22d7

SHA1
6778315d839e9117dae790ef7be40ab598ba528d

SHA256
51290a8c473e2a49d6c1be57e77311a524595775d0685ec0a4564bf876464314

SHA512
98258a22504a856651427b7417e290254c2ec12d1524d6ee62bdf7bbdd61efd8b708606e366283ff3e12d0fbb6464b1379410c35633fa0f07f83e2960534e421

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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