octo | b7b6f150998352c30cb26c914c752d1db4efc1287cb21beb9b485f5d26d74c81

Analysis

max time kernel
148s
max time network
157s
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
20-12-2024 22:00

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General

Target

b7b6f150998352c30cb26c914c752d1db4efc1287cb21beb9b485f5d26d74c81.apk
Size

1.9MB
MD5

781e51935738778d72aad56d07e4ebc6
SHA1

3b5ca19d23f04f82be0e0a3b9e3b9793c2b56a6c
SHA256

b7b6f150998352c30cb26c914c752d1db4efc1287cb21beb9b485f5d26d74c81
SHA512

a5915836cbae8a50c2e2ccf8257529117820183aabb33ff26281c57254886515264f013989bbea05e44b0591692952f5c43fc1441edc86c2fe7949dfd0da23cb
SSDEEP

49152:pByVEivBRMd8G+2tJpbENKzzaCwFJUkuCQEPIse:pgGivBctDoNozaCirRIz

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://dunyadansessanikitabiekle.xyz/YmJlYTFiODdkMjcz/

https://dunyadanscienceteorileri.xyz/YmJlYTFiODdkMjcz/

https://bilimvesanatdusunceler.xyz/YmJlYTFiODdkMjcz/

https://gezegenlerveuzayhikayeleri.xyz/YmJlYTFiODdkMjcz/

https://astronomikbilgikaynaklari.xyz/YmJlYTFiODdkMjcz/

https://yerkurebilimvedusunceler.xyz/YmJlYTFiODdkMjcz/

https://biliminsanlariveicatlar.xyz/YmJlYTFiODdkMjcz/

https://dunyadanbilimkanikoyun.xyz/YmJlYTFiODdkMjcz/

https://dunyadansonuclarivedusunceler.xyz/YmJlYTFiODdkMjcz/

https://bilimvesanatgezegenhikayeleri.xyz/YmJlYTFiODdkMjcz/

https://fenvefizikdusunceler.xyz/YmJlYTFiODdkMjcz/

https://astronomikdusuncelervesanat.xyz/YmJlYTFiODdkMjcz/

https://bilimseldunyaveinsan.xyz/YmJlYTFiODdkMjcz/

https://dunyadanscilergediscovery.xyz/YmJlYTFiODdkMjcz/

https://icatvedunyaninfarkindaligi.xyz/YmJlYTFiODdkMjcz/

https://bilimdedunyadankesitler.xyz/YmJlYTFiODdkMjcz/

https://gezegenseldusuncevedunya.xyz/YmJlYTFiODdkMjcz/

https://sanativeteorikfikirler.xyz/YmJlYTFiODdkMjcz/

https://dunyadansuresizhikayeler.xyz/YmJlYTFiODdkMjcz/

https://bilgiversanatgezegengorev.xyz/YmJlYTFiODdkMjcz/

rc4.plain

Extracted

Family

octo

https://dunyadansessanikitabiekle.xyz/YmJlYTFiODdkMjcz/

https://dunyadanscienceteorileri.xyz/YmJlYTFiODdkMjcz/

https://bilimvesanatdusunceler.xyz/YmJlYTFiODdkMjcz/

https://gezegenlerveuzayhikayeleri.xyz/YmJlYTFiODdkMjcz/

https://astronomikbilgikaynaklari.xyz/YmJlYTFiODdkMjcz/

https://yerkurebilimvedusunceler.xyz/YmJlYTFiODdkMjcz/

https://biliminsanlariveicatlar.xyz/YmJlYTFiODdkMjcz/

https://dunyadanbilimkanikoyun.xyz/YmJlYTFiODdkMjcz/

https://dunyadansonuclarivedusunceler.xyz/YmJlYTFiODdkMjcz/

https://bilimvesanatgezegenhikayeleri.xyz/YmJlYTFiODdkMjcz/

https://fenvefizikdusunceler.xyz/YmJlYTFiODdkMjcz/

https://astronomikdusuncelervesanat.xyz/YmJlYTFiODdkMjcz/

https://bilimseldunyaveinsan.xyz/YmJlYTFiODdkMjcz/

https://dunyadanscilergediscovery.xyz/YmJlYTFiODdkMjcz/

https://icatvedunyaninfarkindaligi.xyz/YmJlYTFiODdkMjcz/

https://bilimdedunyadankesitler.xyz/YmJlYTFiODdkMjcz/

https://gezegenseldusuncevedunya.xyz/YmJlYTFiODdkMjcz/

https://sanativeteorikfikirler.xyz/YmJlYTFiODdkMjcz/

https://dunyadansuresizhikayeler.xyz/YmJlYTFiODdkMjcz/

https://bilgiversanatgezegengorev.xyz/YmJlYTFiODdkMjcz/

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/4244-0.dex	family_octo
behavioral1/memory/4217-0.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
4217	com.defy.cover

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.defy.cover/app_abandon/hRhrab.json	4244	/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.defy.cover/app_abandon/hRhrab.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.defy.cover/app_abandon/oat/x86/hRhrab.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.defy.cover/app_abandon/hRhrab.json	4217	com.defy.cover

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.defy.cover
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.defy.cover

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.defy.cover

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.defy.cover

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.defy.cover
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.defy.cover
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.defy.cover
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.defy.cover

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.defy.cover

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.defy.cover

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.defy.cover

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.defy.cover

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.defy.cover

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.defy.cover

com.defy.cover
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:4217
- /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.defy.cover/app_abandon/hRhrab.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.defy.cover/app_abandon/oat/x86/hRhrab.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4244

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.defy.cover/app_abandon/hRhrab.json

Filesize
153KB

MD5
979e61dc7687028b9605cf7f994841ee

SHA1
669840ebd72db7b05a1f8f5aaea45606b6337532

SHA256
30abcb91ff6e6fc515f6728f64649fbcc22daa10a5b3401d5bd597b04dee6ceb

SHA512
d06df091b7e61a3d405d8e82a52551fda61a229e73edb977b7d359db2778684c43a5a1fcbe33a4f1d111f21d9cda363efada5dfc89e20f3db95187a13a12acca

Download Submit
/data/data/com.defy.cover/app_abandon/hRhrab.json

Filesize
153KB

MD5
7614985b97393d88bebed9f7bae02c9b

SHA1
c8cfde270d2c89c6bc162a8797c5bba158b1929a

SHA256
9c0666e6c9432dc260332d614ae9d41af4b70ea746955d332bc733bcce0a0d99

SHA512
6bba444147f142054a685ec025b47cdf4813d74e4a1e42176367ee6454345aba42f9d94104451b8946fd9fdab3ef71b859066ed4ed784fd349561033d8375ced

Download Submit
/data/user/0/com.defy.cover/app_abandon/hRhrab.json

Filesize
451KB

MD5
1fbcd7c3f7c25755253527efd49e07a1

SHA1
e6d4d6db0816f6b9b13d81832430b2faf5f97e17

SHA256
5986e647e9477067fabc7491ae4c61662b03170e3a2afd69d8cea9a9f01d0308

SHA512
395833503a3480d8d2f0a98d633eb693ff2931b8c2888ec1b0153cdc4440bb3e50d68d6e372ba42e880f9ad51ecf54965ac9b4acd6e511a1a9037b737285a03c

Download Submit
/data/user/0/com.defy.cover/app_abandon/hRhrab.json

Filesize
451KB

MD5
74c4eae7a8da15155f7060d83bd38ad5

SHA1
ad7d409a8ae76a4095d548536bdd3407639a5c36

SHA256
52361cae48cc4380be1ea3b6f65e65f06a525a77f8bbb9814a6e509ebbb7a964

SHA512
a22046f7b3c2a3cd257b96974ece265604dd7c87cfc8aa4d5575e1a0ecb91f11da9017b192ab22fd7a4a63532cccdaada4cd8d1e9eca27f29a17ea2d19436f0a

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads