octo | aa37acf6e96fd7d01968a2d3dd527c53c8de99bda056834bb46262f27185e63c

Analysis

max time kernel
17s
max time network
29s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
01-12-2024 22:04

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General

Target

aa37acf6e96fd7d01968a2d3dd527c53c8de99bda056834bb46262f27185e63c.apk
Size

7.7MB
MD5

7f931bc75221895246e1c6d86ebc494c
SHA1

d37ad6d548e624d078fac0a16d31d653776c2637
SHA256

aa37acf6e96fd7d01968a2d3dd527c53c8de99bda056834bb46262f27185e63c
SHA512

b21fce80b0aa49f812dc9b3cb4310515d95a459e58eef68de7a5d6668740cc456588d0aea0d1275d2cf58ebdb75b14cbc4c2b5d729caa3ad10119112ec3217fb
SSDEEP

98304:tAEAMIYdaOrlwXj7uRsNSVKtL55iSRGJAbGj74kfNSN8Ldkp:3RDlQj7uRMSUtlrT6fnVgwdE

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

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/4379-1.dex	family_octo

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.mservice_mover00/app_else/qU.json	4406	/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.mservice_mover00/app_else/qU.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mservice_mover00/app_else/oat/x86/qU.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.mservice_mover00/app_else/qU.json	4379	com.mservice_mover00
Anonymous-DexFile@0xcfe78000-0xcfefb764	4379	com.mservice_mover00

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.findAccessibilityNodeInfosByViewId	com.mservice_mover00
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.mservice_mover00

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.mservice_mover00

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.mservice_mover00

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.mservice_mover00

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 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.mservice_mover00

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.mservice_mover00

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.mservice_mover00

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.mservice_mover00

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.mservice_mover00

com.mservice_mover00
1⤵
- 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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- 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:4379
- /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.mservice_mover00/app_else/qU.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mservice_mover00/app_else/oat/x86/qU.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4406

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

User Evasion

T1628.002

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.mservice_mover00/.global.com.mservice_mover00

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.mservice_mover00/app_else/qU.json

Filesize
1006B

MD5
40d0a065899f073c4c31f8045cd8dff1

SHA1
eeb7aa1eb700e8af804f0e4f34723db89e154e95

SHA256
a594e72ee9faa5bdafb7bfc73f9bc8ec4982d99c70316d6f8cda19b4b7e8b8e3

SHA512
943f99d4f9135786ad7cedbafe30c292cde97102915ca641e374da9d218a5a6ea018638889ea9a45b143664ac6c8ec3e8fba153a9d55bf25b74aedb515bfc788

Download Submit
/data/data/com.mservice_mover00/app_else/qU.json

Filesize
1006B

MD5
12abecc91c03f4a554e261f341a432d5

SHA1
341607c5be5b5a76dc361f143f151ade0ecc9995

SHA256
4194e7bd3959c382c5a0e4906b4b586bdd887d20662be5208fe795b80cfac9b5

SHA512
6274a9217675f4aa4d1c93f2430d754a34316beb4d52ae9e80b4dea537841ad66a80495af25b3747fc7e39e9171d28dd245ca6b608abb9990d3276ee9525294b

Download Submit
/data/data/com.mservice_mover00/files/.z

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.mservice_mover00/app_else/qU.json

Filesize
1KB

MD5
e5609948d15ab46517fff49982be437a

SHA1
75dc65d1265046eb07aca0581232de6e818f2c99

SHA256
de133a467743011e4c4744a41c4cd95155c6a9394864c1744e49091b1c1a3d9a

SHA512
aa34d60bd70c951014244a828f6896a6da0315732e89a989a59e91428f5782f6ad8830a575091b41026fd5bcfe1dc0250ad0e7a4f9953aca803e0282ff5b3dd7

Download Submit
/data/user/0/com.mservice_mover00/app_else/qU.json

Filesize
1KB

MD5
15959a4b2c17e08ac602c6d6c4b42e10

SHA1
337a3a3b9d2490a1312c443daa00df3afc281f5c

SHA256
b29a4d1163b65f5f18db8cfad7b004efe989a3d091454ea2af91be08f0868229

SHA512
a92b554776b37be80420fd21548bf798f118fe0528830781a20f08965e6a30ae98ac1882ec89853dea76d356f938cb5090d68b492ead72f74581e35c9e3a0a8f

Download Submit
Anonymous-DexFile@0xcfe78000-0xcfefb764

Filesize
525KB

MD5
1429778a133d569f564003e474a4941a

SHA1
4b183b9a78ad1fda798cb30eab28a5d14072a0e8

SHA256
66c23e7e8ca124b75b77fc69bb442bcb79f486f860902641e287f4bdfc9cc3bd

SHA512
f72fed120d1952807bf0a5a94a8571aad08aa75bcb201cd65f09e7b03d00eb35447952187e46147791d15e04bc07ffb8a53d636f4e85086cc4b13870f139cd49

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads