octo | 371868d7bf4189743a60b45923bdc58b90918745188446c4d1c004f19d117b41

Analysis

max time kernel
49s
max time network
132s
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
23-10-2024 22:04

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General

Target

371868d7bf4189743a60b45923bdc58b90918745188446c4d1c004f19d117b41.apk
Size

2.1MB
MD5

44817e5ab3480fa890c4a0941c997d06
SHA1

a4ed5f2a320dbd99ba0e9c6db97bd44172d511c8
SHA256

371868d7bf4189743a60b45923bdc58b90918745188446c4d1c004f19d117b41
SHA512

c6d749dc4d9b9d91e04dae55171e9b6a0f72079db01201e082893cf43195112feef9dd36b4d91abd812c1b438b61dc2d44665d2e5f40f63af51bfd4c64856397
SSDEEP

49152:YdTlcgM+D5oOAMsLSblBNwpMOJ/NeI1K8Uhp77Na5CJ1jrcvtJij:827GBBapMOnl1K8Wt7I5gl8tJM

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://dijitaldonanimvegirisimdunyasi.xyz/YjdkMWRjNTllNzZi/

https://yapayzekaveakilliteknolojisirlari.xyz/YjdkMWRjNTllNzZi/

https://kriptoparayatirimvesanalpazar.xyz/YjdkMWRjNTllNzZi/

https://fotografvedijitaltasarimodulu.xyz/YjdkMWRjNTllNzZi/

https://gelecekteknolojivemodatrendleri.xyz/YjdkMWRjNTllNzZi/

https://robotikteknolojivesanalgerceklik.xyz/YjdkMWRjNTllNzZi/

https://bilisimvedijitalveriprogrami.xyz/YjdkMWRjNTllNzZi/

https://blockchainvekriptoparayonetimi.xyz/YjdkMWRjNTllNzZi/

https://sibertehditveakilliguvenlik.xyz/YjdkMWRjNTllNzZi/

https://gelecekinovasyonvegirisimrehberi.xyz/YjdkMWRjNTllNzZi/

https://teknolojideakilliverionerileri.xyz/YjdkMWRjNTllNzZi/

https://verianaliziveteknolojigezileri.xyz/YjdkMWRjNTllNzZi/

https://dijitalekonomivedonusumprojesi.xyz/YjdkMWRjNTllNzZi/

https://akillifabrikalarvemakineler.xyz/YjdkMWRjNTllNzZi/

https://bulutbilisimvegirisimfikirleri.xyz/YjdkMWRjNTllNzZi/

https://dijitalodaklivirusaonlem.xyz/YjdkMWRjNTllNzZi/

https://veridunyasindastratejionerileri.xyz/YjdkMWRjNTllNzZi/

https://akilliekonomiveblockchaindunyasi.xyz/YjdkMWRjNTllNzZi/

https://bilisimdonanimveoyunteknolojisi.xyz/YjdkMWRjNTllNzZi/

https://fotografvevideoeditorununyolu.xyz/YjdkMWRjNTllNzZi/

rc4.plain

Extracted

Family

octo

https://dijitaldonanimvegirisimdunyasi.xyz/YjdkMWRjNTllNzZi/

https://yapayzekaveakilliteknolojisirlari.xyz/YjdkMWRjNTllNzZi/

https://kriptoparayatirimvesanalpazar.xyz/YjdkMWRjNTllNzZi/

https://fotografvedijitaltasarimodulu.xyz/YjdkMWRjNTllNzZi/

https://gelecekteknolojivemodatrendleri.xyz/YjdkMWRjNTllNzZi/

https://robotikteknolojivesanalgerceklik.xyz/YjdkMWRjNTllNzZi/

https://bilisimvedijitalveriprogrami.xyz/YjdkMWRjNTllNzZi/

https://blockchainvekriptoparayonetimi.xyz/YjdkMWRjNTllNzZi/

https://sibertehditveakilliguvenlik.xyz/YjdkMWRjNTllNzZi/

https://gelecekinovasyonvegirisimrehberi.xyz/YjdkMWRjNTllNzZi/

https://teknolojideakilliverionerileri.xyz/YjdkMWRjNTllNzZi/

https://verianaliziveteknolojigezileri.xyz/YjdkMWRjNTllNzZi/

https://dijitalekonomivedonusumprojesi.xyz/YjdkMWRjNTllNzZi/

https://akillifabrikalarvemakineler.xyz/YjdkMWRjNTllNzZi/

https://bulutbilisimvegirisimfikirleri.xyz/YjdkMWRjNTllNzZi/

https://dijitalodaklivirusaonlem.xyz/YjdkMWRjNTllNzZi/

https://veridunyasindastratejionerileri.xyz/YjdkMWRjNTllNzZi/

https://akilliekonomiveblockchaindunyasi.xyz/YjdkMWRjNTllNzZi/

https://bilisimdonanimveoyunteknolojisi.xyz/YjdkMWRjNTllNzZi/

https://fotografvevideoeditorununyolu.xyz/YjdkMWRjNTllNzZi/

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 2 IoCs

resource	yara_rule
behavioral1/memory/4282-0.dex	family_octo
behavioral1/memory/4256-0.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
4256	com.venue.medal

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.venue.medal/app_nurse/fjaOoY.json	4282	/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.venue.medal/app_nurse/fjaOoY.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.venue.medal/app_nurse/oat/x86/fjaOoY.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.venue.medal/app_nurse/fjaOoY.json	4256	com.venue.medal

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.venue.medal
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.venue.medal

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.venue.medal

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.venue.medal

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.venue.medal
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.venue.medal
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.venue.medal
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.venue.medal

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.venue.medal

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.venue.medal

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.venue.medal

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.venue.medal

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.venue.medal

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.venue.medal

com.venue.medal
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:4256
- /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.venue.medal/app_nurse/fjaOoY.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.venue.medal/app_nurse/oat/x86/fjaOoY.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4282

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.venue.medal/app_nurse/fjaOoY.json

Filesize
153KB

MD5
85077e2cb05109a9f2a5efc40eba3e43

SHA1
a722e3c82f9dd21e4103e043b79918097f406db3

SHA256
a8a16a16341ff5fae9968e3e07d6646d235b9f93bd2bb287d70febf12207d7f2

SHA512
41cf3fe4f18596eaea41d4cb45c742eeb188a5864727086bcced79ca28d6a069d635a815f27e693391125353af2547b9b39153454d40c7841935157bad479478

Download Submit
/data/data/com.venue.medal/app_nurse/fjaOoY.json

Filesize
153KB

MD5
d4aade1ece2d9f7c349b11605bb159d3

SHA1
e29c01e9c93acbfa78f0d2bb28b9ef51371c0aff

SHA256
8143748cbf8301c24ce3c9d4fec63e3a459c2fd182cdb7d611dc4475e55a9d72

SHA512
52b5b397d3515e5572088301dd4af1e1f955d1647351607007f70e32b372207d5ef6381c98cbe33cb0158f4b5d56fde2c968925fed61d3cdb404489ed2773e4d

Download Submit
/data/user/0/com.venue.medal/app_nurse/fjaOoY.json

Filesize
451KB

MD5
a3a9252b1a425513254ace1373f74629

SHA1
564d9679325adfd4dc9b30dba40df0d7b5952ee2

SHA256
ceb73cfd296934327bc3089c5a96e5583ce2b7088406787686b0718d661bcdad

SHA512
51cfece788cf08a633e4bd4da5a5aca6de9aa33e6b459676b0e34ad746bb5d6ae2ef2989d9a0caa6fb34e4ebeaec8038d277ce9844973bcd2f85228db15998f3

Download Submit
/data/user/0/com.venue.medal/app_nurse/fjaOoY.json

Filesize
451KB

MD5
76f76432c345862bd73816a4497f92fa

SHA1
d16c12e8b3af6465e4060f390ade9f7edd83419d

SHA256
35b44a5347be5183a36417f7637c5e84f324576fdb6a5d476642195f2995ddfa

SHA512
0070bd6ace95ba9cbab08c9f5936804cb46bb2094fd85d46b9bf85ee3c3bb81688b66c3f340804318b452b5dc2dfc6af62527a323163a93b2b7919964b997e8f

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads