octo | 80592121882b2213e44149d3fd155c0ee9565bbc85a3a3f62db0c07693a6c1be

Analysis

max time kernel
149s
max time network
155s
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
28-10-2024 14:59

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General

Target

80592121882b2213e44149d3fd155c0ee9565bbc85a3a3f62db0c07693a6c1be.apk
Size

7.4MB
MD5

f3e7b86c9def5c4e20966b6c2e223afe
SHA1

a3fc099b92201f2ff967863bbc10b13a137998b8
SHA256

80592121882b2213e44149d3fd155c0ee9565bbc85a3a3f62db0c07693a6c1be
SHA512

aa5e2b03f9b0575bd2780c52cf59551bd6c75939054b06917435cff8f93e2205f285db2da2548847386852de3acc95b3ee8956df52a41087ebf735bd2ff1f199
SSDEEP

98304:x9APbRs3wykNKeNe+VNB5iSRGH4VKZ9xY3XLVVlhFwqdNy:x+PbRmVkNHPBrVUza3XLHlDFdNy

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://839f702490ce17a92b6e415b949aabc1.com

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 1 IoCs

resource	yara_rule
behavioral1/memory/4312-1.dex	family_octo

Checks Android system properties for emulator presence. 1 TTPs 1 IoCs

evasion

System Checks

T1633.001

description	ioc	Process
Accessed system property	key: ro.product.model	com.adapters_gesturalaf8

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.adapters_gesturalaf8/app_valley/hyxyAog.json	4339	/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.adapters_gesturalaf8/app_valley/hyxyAog.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.adapters_gesturalaf8/app_valley/oat/x86/hyxyAog.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.adapters_gesturalaf8/app_valley/hyxyAog.json	4312	com.adapters_gesturalaf8
Anonymous-DexFile@0xc8ff8000-0xc907b8f0	4312	com.adapters_gesturalaf8

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.adapters_gesturalaf8
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.adapters_gesturalaf8

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.adapters_gesturalaf8

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.adapters_gesturalaf8

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.adapters_gesturalaf8

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

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.adapters_gesturalaf8

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.adapters_gesturalaf8

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.adapters_gesturalaf8

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.adapters_gesturalaf8

com.adapters_gesturalaf8
1⤵
- Checks Android system properties for emulator presence.
- 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
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4312
- /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.adapters_gesturalaf8/app_valley/hyxyAog.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.adapters_gesturalaf8/app_valley/oat/x86/hyxyAog.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4339

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

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

Lateral Movement

Collection

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.adapters_gesturalaf8/.global.com.adapters_gesturalaf8

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.adapters_gesturalaf8/app_valley/hyxyAog.json

Filesize
1007B

MD5
d4a40e6aab760cc2cd5dd26b3f771789

SHA1
ecdda86be9949e896faa748b4296eb4c2624b07c

SHA256
e607b1a857df931a95fb392f60a29c8d6c914d76eadcb44817f3ba97b11975ad

SHA512
c65eaf44c582a7132937703d0f647a6ea38e552877d1489204c41aa3bd744c7bd2374b241712ec003a0e0a29c9d87ad74a36b0300ef651b6129369911d9853cc

Download Submit
/data/data/com.adapters_gesturalaf8/app_valley/hyxyAog.json

Filesize
1007B

MD5
88a0455a057b89a6dc85d46b83e8cac6

SHA1
cd874bd97989aad4518c28f6a48dc827b272f77d

SHA256
9324f37e549b405e44af31edd761defc1124a88b2afdb692c730140fbf02e838

SHA512
4ac7a57c052662d75da1eaddf93ef2d76054b3675ff485fa0ca2922a7c842833ea9481a2c7a7da98937d4f5afc13fb5afe5a5a083e4efb94078db4caf7fc3f87

Download Submit
/data/data/com.adapters_gesturalaf8/files/.a

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.adapters_gesturalaf8/app_valley/hyxyAog.json

Filesize
1KB

MD5
2035ff90045600d5fc1704089154f573

SHA1
779fcdaccffcc978ec6dd90c4da799ad78b398e4

SHA256
45553b5e1ea6fb58301e8180595587832c66e5e01331647b446b39cfe6151166

SHA512
4a0285328c5a254d8f55e0773c21d8d1923047933bdd43dff208dc6e61dca9edcc54236de9e01c42142e366271f384e63cd249b7451d20d0d12ad5ee624e226d

Download Submit
/data/user/0/com.adapters_gesturalaf8/app_valley/hyxyAog.json

Filesize
1KB

MD5
50bd1ed0625097bdf325175ac550e042

SHA1
377322249e2d108e1a437f57e1ad5b3645ab683e

SHA256
e9ff42a1beaebb84d3fdffbbdf16e3e6221d6b05fe04dd43691f766df30fc52f

SHA512
f20daf133e23dfd52fdfce205fb1d9bab44f4b3e2d4428698bf7d4496593e4fe787955f1ed01c73e14e4e5135c3fc80d861050ab15e9ab776899bfc01f31c18a

Download Submit
Anonymous-DexFile@0xc8ff8000-0xc907b8f0

Filesize
526KB

MD5
95d62ae2b4ed3f225fba42ac5365fe87

SHA1
8ca6bce11481a73d7a727c95cdee80bc68f9d7f5

SHA256
efb298c3779db6bc980a53058b5abfe3d4425594cab41617847cee38809d9a05

SHA512
ae33da0767e7255ba4fd6eaf3341e1813bcbf8a55e8c6ec3328cd69ba545cd6b9f1d2a49d7d29f616e969bf1caf2839f6202294cebbc87832a540b31afeeb51f

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads