octo | 29b1ae34b4f8b649c605026019e198f544619963e879bfe61581f67e3f512cad

Analysis

max time kernel
148s
max time network
154s
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
22-11-2024 22:02

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General

Target

29b1ae34b4f8b649c605026019e198f544619963e879bfe61581f67e3f512cad.apk
Size

2.7MB
MD5

cd8a4bf38b1ebac851248ee056d4b7ad
SHA1

d73f8720922c0bca6b12e1a2e1ce31689e59b50a
SHA256

29b1ae34b4f8b649c605026019e198f544619963e879bfe61581f67e3f512cad
SHA512

91045b8190cf626194a70454bc61f64ed1f113cb8b5aa16fdd920071dfb2c6a638513d38d150665727e6d8e562a570eca3fb7f03931431b97c8d7ee7d49d0129
SSDEEP

49152:TkrnorjkRbYEcfWy6sMa7RolsRqOsfGIg6j4PmrGngzsbdA8oMednZQlHKki2tOw:JebcHJS+5ysPmKgARATn4HKqtOGhR7B9

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://hayatindonderlerikararver.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklaryenicocugunhikaye.xyz/MDQ2MTZjMDhlZDQy/

https://yasamtarzdunyayidogrutani.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazyollardaumutarayan.xyz/MDQ2MTZjMDhlZDQy/

https://hayatinhikayesipratikcozum.xyz/MDQ2MTZjMDhlZDQy/

https://yasaminkavgaveodulleri.xyz/MDQ2MTZjMDhlZDQy/

https://kucukengellerbuyukbasari.xyz/MDQ2MTZjMDhlZDQy/

https://zamaninguctusevinyasan.xyz/MDQ2MTZjMDhlZDQy/

https://gucluklertetekiseyaoyun.xyz/MDQ2MTZjMDhlZDQy/

https://hayatdersleriozetlemeler.xyz/MDQ2MTZjMDhlZDQy/

https://umutlarvesikintilarbirlik.xyz/MDQ2MTZjMDhlZDQy/

https://cikissizyollaryasadogru.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklarveguzelliklerin.xyz/MDQ2MTZjMDhlZDQy/

https://hayatsevdigiolumsuzluklar.xyz/MDQ2MTZjMDhlZDQy/

https://yasambaglantilaryaratici.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazlardayolbulanruhs.xyz/MDQ2MTZjMDhlZDQy/

https://hayathikayelerinikavrama.xyz/MDQ2MTZjMDhlZDQy/

https://yasanmisliklarvesiniflama.xyz/MDQ2MTZjMDhlZDQy/

https://umutvemucadelehayalleri.xyz/MDQ2MTZjMDhlZDQy/

https://zorhayathikayelerindenson.xyz/MDQ2MTZjMDhlZDQy/

rc4.plain

Extracted

Family

octo

https://hayatindonderlerikararver.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklaryenicocugunhikaye.xyz/MDQ2MTZjMDhlZDQy/

https://yasamtarzdunyayidogrutani.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazyollardaumutarayan.xyz/MDQ2MTZjMDhlZDQy/

https://hayatinhikayesipratikcozum.xyz/MDQ2MTZjMDhlZDQy/

https://yasaminkavgaveodulleri.xyz/MDQ2MTZjMDhlZDQy/

https://kucukengellerbuyukbasari.xyz/MDQ2MTZjMDhlZDQy/

https://zamaninguctusevinyasan.xyz/MDQ2MTZjMDhlZDQy/

https://gucluklertetekiseyaoyun.xyz/MDQ2MTZjMDhlZDQy/

https://hayatdersleriozetlemeler.xyz/MDQ2MTZjMDhlZDQy/

https://umutlarvesikintilarbirlik.xyz/MDQ2MTZjMDhlZDQy/

https://cikissizyollaryasadogru.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklarveguzelliklerin.xyz/MDQ2MTZjMDhlZDQy/

https://hayatsevdigiolumsuzluklar.xyz/MDQ2MTZjMDhlZDQy/

https://yasambaglantilaryaratici.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazlardayolbulanruhs.xyz/MDQ2MTZjMDhlZDQy/

https://hayathikayelerinikavrama.xyz/MDQ2MTZjMDhlZDQy/

https://yasanmisliklarvesiniflama.xyz/MDQ2MTZjMDhlZDQy/

https://umutvemucadelehayalleri.xyz/MDQ2MTZjMDhlZDQy/

https://zorhayathikayelerindenson.xyz/MDQ2MTZjMDhlZDQy/

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 2 IoCs

resource	yara_rule
behavioral1/memory/4271-0.dex	family_octo
behavioral1/memory/4247-0.dex	family_octo

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

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4247	com.horror.execute

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.horror.execute/app_cruel/ImY.json	4271	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.horror.execute/app_cruel/ImY.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.horror.execute/app_cruel/oat/x86/ImY.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.horror.execute/app_cruel/ImY.json	4247	com.horror.execute

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.horror.execute
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.horror.execute

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.horror.execute

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.horror.execute

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.horror.execute
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.horror.execute
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.horror.execute
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.horror.execute

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.horror.execute

Queries the unique device ID (IMEI, MEID, IMSI) 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.horror.execute

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.horror.execute

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.horror.execute

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.horror.execute

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.horror.execute

com.horror.execute
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).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4247
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.horror.execute/app_cruel/ImY.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.horror.execute/app_cruel/oat/x86/ImY.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4271

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.horror.execute/app_cruel/ImY.json

Filesize
153KB

MD5
c834fd9b6be989ec9d4a21df2a89a838

SHA1
7f70b6dd2cc6e373f8ae56d512b483039ca95f6a

SHA256
aa2976e87700692e548c96189fd0b02060fece37b85a633f320710d0c76237c1

SHA512
4cfa316b13bcc173029eedb3b09503a5e54d81e56270465a2bf714bb512068684749b49a1a750365bf69f1c739521030773f3a3415aadf40ac41badaf5ca908f

Download Submit
/data/data/com.horror.execute/app_cruel/ImY.json

Filesize
153KB

MD5
01620f7b07c34127e10f9ae671550fa1

SHA1
6f7a425fc5c10230f1f4691ef5d35424abb4f714

SHA256
d2efe208dc151f9b6abf01b521dbbcc549a3511aa433a6b510876abfad70953e

SHA512
49ef6130b6c1fcc633e0114bba5d18e3f8ee9617ce1e3da54775c7734b2e9be32bfc099f08c97e63fdeab04ac0de4c385b046c680ca815902c2136a55158818e

Download Submit
/data/user/0/com.horror.execute/app_cruel/ImY.json

Filesize
450KB

MD5
55621efb8b22bde31298f63ec0af8001

SHA1
cabff1a17683590eb1a2186d5be6870a603f10e2

SHA256
8f7168a54ddd223d3a2a76d09dba3d5123b98aafb7e8ff700060848400f591df

SHA512
058af62c4ee5dc7e240eddc5499def8d67907f34027750762ce0016fd52a28d89dce18892e9c764c8b07a3cfc8d5f5dae40b5407576e32a74268c8964d36a987

Download Submit
/data/user/0/com.horror.execute/app_cruel/ImY.json

Filesize
450KB

MD5
f4fbd38247dca1a829ecb186664ec101

SHA1
7026c90291ea8d090fa9896af543f28a8bbc1f7b

SHA256
711a0998023724cdb5e27b5b72f7af6384a2f8530a469f43d519663a08e2b9ea

SHA512
5244bbdf00bf2fd2d396293fd2b9a80be377ea0a858ca2b14d136707513f6967cc9c9d1c4eb081835b5c2d1b806d304d41b3a07ba5ba2795100f2537bca30d82

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads