octo | b9027605ed0c22319860cc34b449e958d6d8e5745874f7a2ee53796120d531fa

Analysis

max time kernel
146s
max time network
133s
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
17-12-2024 22:00

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General

Target

b9027605ed0c22319860cc34b449e958d6d8e5745874f7a2ee53796120d531fa.apk
Size

1.4MB
MD5

f143dfb70fae2eec1243b0ec31892780
SHA1

195b4e9fde9c8694a52e68362213e8bcf9694359
SHA256

b9027605ed0c22319860cc34b449e958d6d8e5745874f7a2ee53796120d531fa
SHA512

424fc2d8204d49dd2c7e9f811709d35d3d8a4cf199047bebff5040f4468971510cb23c8c6a83550c76d37549077f61a15c68a82c6a82c3b768c08164be09ef33
SSDEEP

24576:s62evvLqUcPtjapSf+I+z+L4stxaD2BOpOMFrkiEUrkRh+o0lgjne:s62enLJcPXWI+z+8stnBYOMFIh1R0ovK

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://hayatvesanatguzellikduygusu.xyz/YmJlYTFiODdkMjcz/

https://mutlulukvesessizlikyolculugu.xyz/YmJlYTFiODdkMjcz/

https://yasamvesahtekarguzellik.xyz/YmJlYTFiODdkMjcz/

https://sevincligunlertatminkar.xyz/YmJlYTFiODdkMjcz/

https://dogaltatvesanatyaklasimi.xyz/YmJlYTFiODdkMjcz/

https://hayatlarinhuzurvesessiz.xyz/YmJlYTFiODdkMjcz/

https://keyifligunlerinfirsatlari.xyz/YmJlYTFiODdkMjcz/

https://sevgiiledoluyasamyolu.xyz/YmJlYTFiODdkMjcz/

https://sakinlikvehayatderinligi.xyz/YmJlYTFiODdkMjcz/

https://sanatvesanatcihayatlari.xyz/YmJlYTFiODdkMjcz/

https://ilhamdolubirhayat.xyz/YmJlYTFiODdkMjcz/

https://zenginlikvebasarihikayesi.xyz/YmJlYTFiODdkMjcz/

https://kalpvesanatdostlukhikaye.xyz/YmJlYTFiODdkMjcz/

https://mutlugunlerinyasamayolu.xyz/YmJlYTFiODdkMjcz/

https://yasananhayatinduygular.xyz/YmJlYTFiODdkMjcz/

https://dogaylaisbirligiyolu.xyz/YmJlYTFiODdkMjcz/

https://hosgoruhayatvekultur.xyz/YmJlYTFiODdkMjcz/

https://hayalguclesanatbaglantisi.xyz/YmJlYTFiODdkMjcz/

https://sadelikvehayatfelsefesi.xyz/YmJlYTFiODdkMjcz/

https://dogaldostlukvesanat.xyz/YmJlYTFiODdkMjcz/

rc4.plain

Extracted

Family

octo

https://hayatvesanatguzellikduygusu.xyz/YmJlYTFiODdkMjcz/

https://mutlulukvesessizlikyolculugu.xyz/YmJlYTFiODdkMjcz/

https://yasamvesahtekarguzellik.xyz/YmJlYTFiODdkMjcz/

https://sevincligunlertatminkar.xyz/YmJlYTFiODdkMjcz/

https://dogaltatvesanatyaklasimi.xyz/YmJlYTFiODdkMjcz/

https://hayatlarinhuzurvesessiz.xyz/YmJlYTFiODdkMjcz/

https://keyifligunlerinfirsatlari.xyz/YmJlYTFiODdkMjcz/

https://sevgiiledoluyasamyolu.xyz/YmJlYTFiODdkMjcz/

https://sakinlikvehayatderinligi.xyz/YmJlYTFiODdkMjcz/

https://sanatvesanatcihayatlari.xyz/YmJlYTFiODdkMjcz/

https://ilhamdolubirhayat.xyz/YmJlYTFiODdkMjcz/

https://zenginlikvebasarihikayesi.xyz/YmJlYTFiODdkMjcz/

https://kalpvesanatdostlukhikaye.xyz/YmJlYTFiODdkMjcz/

https://mutlugunlerinyasamayolu.xyz/YmJlYTFiODdkMjcz/

https://yasananhayatinduygular.xyz/YmJlYTFiODdkMjcz/

https://dogaylaisbirligiyolu.xyz/YmJlYTFiODdkMjcz/

https://hosgoruhayatvekultur.xyz/YmJlYTFiODdkMjcz/

https://hayalguclesanatbaglantisi.xyz/YmJlYTFiODdkMjcz/

https://sadelikvehayatfelsefesi.xyz/YmJlYTFiODdkMjcz/

https://dogaldostlukvesanat.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/4321-0.dex	family_octo
behavioral1/memory/4296-0.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
4296	com.lava.explain

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.lava.explain/app_coffee/kL.json	4321	/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.lava.explain/app_coffee/kL.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.lava.explain/app_coffee/oat/x86/kL.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.lava.explain/app_coffee/kL.json	4296	com.lava.explain

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.lava.explain
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.lava.explain

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.lava.explain

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.lava.explain

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.lava.explain
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.lava.explain
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.lava.explain
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.lava.explain

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.lava.explain

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.lava.explain

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.lava.explain

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.lava.explain

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.lava.explain

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.lava.explain

com.lava.explain
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:4296
- /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.lava.explain/app_coffee/kL.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.lava.explain/app_coffee/oat/x86/kL.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4321

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.lava.explain/app_coffee/kL.json

Filesize
153KB

MD5
4d2c52a5ccd7f0943873fd0c573249a2

SHA1
05edc11ff8b8d78e57b2181906548267e7622d6d

SHA256
7c08c749ad83fb907a229d763d56d3c137001fbae4df505d5cd3696f506335e3

SHA512
7086e5e86c26fdeb94b364143e493264136e114d6b7fd68c865e6e3907061c080d698ea4fb5cb722450a446b13daed0d4d6498cefec974ef67997f1b300ebd8b

Download Submit
/data/data/com.lava.explain/app_coffee/kL.json

Filesize
153KB

MD5
9f7d70d54f5e766b3e59d038654eba9c

SHA1
3c01ddac7656ef9c93bcbcfe716850f67d227231

SHA256
565e2bc18dfb757eef862650d0ea01aa3ce52d5a4e70488264d7601dc0e9de2b

SHA512
9430d78a5319def8624c2aa5ae2968c28746e6b42ae77dd94439d2a513117965ac04e657073fb44d0d902592c0f85c2e8e8d6922ac1f30e1007df5b380f55b33

Download Submit
/data/user/0/com.lava.explain/app_coffee/kL.json

Filesize
450KB

MD5
b09d992238c59f35a19277d0277ea00b

SHA1
8419b81ec7980f52cc88d4da16637fb2f55d9732

SHA256
6d8e3a4bcc4ea6801b3e6e721d5e3956251bbfeb2524fe8173ab0fe0a4fc139c

SHA512
acbdd31134708c06cc5b7a09c6d8cebe8e1a322bf7891453547d474d7bf00fbebad87aca623f43c04e5ee51e8b750e8c9cec2327a6b7076eef2aa8c6c100499e

Download Submit
/data/user/0/com.lava.explain/app_coffee/kL.json

Filesize
450KB

MD5
6debde7acfd1846ba5c515a7cf761f53

SHA1
af42bdbc0aab682d4a351c3b8ed59c8fdac4d844

SHA256
f0765d7e9e15e7e63e289049624e687e3fea945abbf7d115558786b2777852f0

SHA512
c46e949405cf9d4be356f0a4792a690df1a80a34257e500b14807a6da13b08a84f326f6da138223935876292b3fbecb23984089af7dc56ef5659b89215c8a448

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads