octo | bfc8f130490802c7c5a670f64e972747fd3cb82bd10656b562eaa4e00a1dcf84

Analysis

max time kernel
142s
max time network
148s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
20-10-2024 22:03

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General

Target

bfc8f130490802c7c5a670f64e972747fd3cb82bd10656b562eaa4e00a1dcf84.apk
Size

557KB
MD5

76c82db29fa30eeddeffdb5e52bc933c
SHA1

94b9919c99658243f7b9734d7e739ebb4ee5c416
SHA256

bfc8f130490802c7c5a670f64e972747fd3cb82bd10656b562eaa4e00a1dcf84
SHA512

891f2234f7ed382ea291f46c7223cac01a6ca75d1602a7d49ca8079dfa662381f5f554ec65284c75147f1ae043218c96013e33d8f8d9e7799d2a4ea51e1d8fbb
SSDEEP

12288:UvSZsAmiqKSArnJ+wK5Z3nKx2t+/d90u6uw:UvSZsAdqKS4OKx24/dw

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://2pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://3pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://4pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://5pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://6pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://22pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://32pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://52pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

rc4.plain

Extracted

Family

octo

https://2pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://3pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://4pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://5pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://6pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://22pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://32pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

https://52pethsop332.com/MzQ1Yzk1ZGQ4ODY3/

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 1 IoCs

resource	yara_rule
behavioral2/files/fstream-1.dat	family_octo

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.onairru/cache/jtexmbmvfyl	4993	com.onairru
/data/user/0/com.onairru/cache/jtexmbmvfyl	4993	com.onairru

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

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.onairru

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.onairru

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.onairru
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.onairru
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.onairru
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.onairru

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.onairru

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.onairru

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.onairru

com.onairru
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
- Performs UI accessibility actions on behalf of the user
- 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)
PID:4993

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

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

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

Replay Monitor

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Downloads

/data/data/com.onairru/cache/jtexmbmvfyl

Filesize
449KB

MD5
9e6da77f74b6a88f0db9458f1a58f235

SHA1
a10121eb3488638740413d447f0cff9967dea0b5

SHA256
28ae0de777aefe674aced955d2918b30a23a4507434e771b6d2ba67b94dbb447

SHA512
4b3d7f3220249c3434580e2be3c3f077e577c403c3d678b0486ebb33eeda654719d34e55258945f9ee626f71690252e44b06fd19a4c42f2ea967ea0a7463d0d0

Download Submit
/data/data/com.onairru/cache/oat/jtexmbmvfyl.cur.prof

Filesize
459B

MD5
02d7f50fc35b9f84ba5a6519bb8061f8

SHA1
41dcfff5ded97508a9ecd7891a42c40671301931

SHA256
1670bcc6ef10951143f2f3052906d1afa3795ddc8e2be7be73a150eb2524686f

SHA512
70163e1a2378793fa1ac65851f6ff6e0b93dfa8695a5b3a18227dbde395397bb10578f29a75fb6dddb3000920e1e0e3dc54b6ba304b3693a29fe8c3b48806639

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads