octo | e3b363272b97b08c218dcd7860057c75a52c119aae4454df9d102be0664ef14b

Analysis

max time kernel
54s
max time network
154s
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
03/11/2024, 22:01

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General

Target

e3b363272b97b08c218dcd7860057c75a52c119aae4454df9d102be0664ef14b.apk
Size

3.5MB
MD5

e92c558e84f8f3af732e296f70b7c78f
SHA1

048b01166b2d2cacf6a961bc83d483f361467e16
SHA256

e3b363272b97b08c218dcd7860057c75a52c119aae4454df9d102be0664ef14b
SHA512

15e800f6377f501a73974195c19a3a7a31b877a35107d18dd1b6fe6ac97d564b6a3ae1c608e5c9a0cb357a7253ead02c23ac2a62831cf27738b8895d49cfcaf4
SSDEEP

98304:+/DjPGGY7QuqPNYhvkYF5NHGxmRKbCmOM7lfxSbNFwdm:+7qQuMYhvLDY5coU

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

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/files/fstream-6.dat	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4243	com.childrenwantdbnx

Loads dropped Dex/Jar 1 TTPs 4 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.childrenwantdbnx/app_father/jeUu.json	4268	/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.childrenwantdbnx/app_father/jeUu.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.childrenwantdbnx/app_father/oat/x86/jeUu.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.childrenwantdbnx/app_father/jeUu.json	4243	com.childrenwantdbnx
/data/user/0/com.childrenwantdbnx/cache/judngfynkmmo	4243	com.childrenwantdbnx
/data/user/0/com.childrenwantdbnx/cache/judngfynkmmo	4243	com.childrenwantdbnx

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

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.childrenwantdbnx

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.childrenwantdbnx

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.childrenwantdbnx
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.childrenwantdbnx
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.childrenwantdbnx
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.childrenwantdbnx

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.childrenwantdbnx

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.childrenwantdbnx

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.childrenwantdbnx

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.childrenwantdbnx

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.childrenwantdbnx

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.childrenwantdbnx

com.childrenwantdbnx
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:4243
- /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.childrenwantdbnx/app_father/jeUu.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.childrenwantdbnx/app_father/oat/x86/jeUu.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4268

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.childrenwantdbnx/app_father/jeUu.json

Filesize
1KB

MD5
4ed29df7f01d12266da3d433c5167123

SHA1
3d989d7d6c925f4a797c68a6e5267c5f4d8be764

SHA256
0a6b6766f0b32b1336560147ae182d2c4d186fec74e36bea0cbe430bbfe7327d

SHA512
02f542c1400709a20e8de99e8d0dc95163ee05c6bf77a964519813be04830fa9d305311ec34394ee1f05db6ac7b2e3459f487cc3f6047d1f427811cebebf679b

Download Submit
/data/data/com.childrenwantdbnx/app_father/jeUu.json

Filesize
1KB

MD5
354cd0f52f7c25db3759946d082789a4

SHA1
984f01f137547a94b95bdd961e4a208241a59891

SHA256
16fc6070e12fdff2960ea1221b55b118a76a8a225f0b5383c96d3fa00d77a9c6

SHA512
d0f37c0fa5eaf40f0cf670b0f310278430fb20d6edd469f9843e7ab363d0c1578fdaaf7340d72e79c312676a00181a558216a03fea04cc30e0d71169d7fd9f38

Download Submit
/data/data/com.childrenwantdbnx/cache/judngfynkmmo

Filesize
450KB

MD5
bcac98eb4edafe626374de279f563660

SHA1
287a789685ce3eb25d06568e64adefde639e1f7b

SHA256
1d53f862e582a8592dd08f04f64e3af84a1f47b6e8229556d644c541991af5fc

SHA512
d60855626804b2a139d85515780220f210a545bae1fe088513358870970ae8d615e36516e744c310314b563083ab4bfe0f18e26a39a3f5b3a48b76767625c086

Download Submit
/data/data/com.childrenwantdbnx/cache/oat/judngfynkmmo.cur.prof

Filesize
450B

MD5
0d0addbf04f58c3b0172b586b69dbf34

SHA1
662d4714147b02a17855041f7182e51a5ce0821f

SHA256
a6ffa2ab61eba1002d1d936f994595a0e6f65aeb67a3c8b4aabc03f2dd8fc31f

SHA512
2e9cd98284e5833d6880497b84b3e0740d7f2bbe855ee0445fb37ce88f09badb69a3ec5704145271babd7824284e5870023ecda215e7c586d0bdbec1db7d419e

Download Submit
/data/user/0/com.childrenwantdbnx/app_father/jeUu.json

Filesize
2KB

MD5
57033d12a6ae7df27c2474c7daa6ad49

SHA1
fdd5ebeed8d562ccc2e235e0838d96cf9c46adab

SHA256
2694a3904967a2cc18ae8dda3b683acc37d83af58616098ca2c998faef94fae4

SHA512
193b8382b42ef89b682ea16fbb72046b31d55a382af3c0ef033c87647cd3481a02f6e9a9d97d11e395c335b0feac3b0d2420aca88ba013b3df8c1d7939013b0a

Download Submit
/data/user/0/com.childrenwantdbnx/app_father/jeUu.json

Filesize
2KB

MD5
f2045300ec0a3c13a1d0e37b2e545faa

SHA1
5f57096af4a38956dfbf84810645b9584679d9d6

SHA256
5c629f179c6847dce62852237863a09b259d87f4b82a543929eee6d89f95971b

SHA512
f45d1942226cef0e2342e6f82a18f283b3e262887d8f36c63e1085f0881ca6186ba413425984001b68f12eab2dfc305d1e7a5f5b0ddf9e91591f21c7cec6a3f3

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads