octo | 7f55cb53761950397f3355e01ea76d57792c69993cbef296eb93cc2fd9b7afde

Analysis

max time kernel
149s
max time network
152s
platform
android-11_x64
resource
android-x64-arm64-20240910-en
resource tags

arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
submitted
21/01/2025, 06:07

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General

Target

file.apk
Size

7.0MB
MD5

7d8fb6cb1e66d8f17f300c266cc3cf6d
SHA1

7d3a61e2b7b55d9324700385afb58bec5b47d0a2
SHA256

7f55cb53761950397f3355e01ea76d57792c69993cbef296eb93cc2fd9b7afde
SHA512

8dc523b7f911ebf4cb483b44d87f825afca41e3c6465a15cd6efe995d814db93af415b06a6b8498ebc80713efbe5c15336b87a76d2bfb573ec3af972431c00db
SSDEEP

98304:4HrK2nzwaCSXMe3WItCRs75iSRGY8mm3XIVKBb:4He4zRCJRcrKD3XIUd

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://0bd477c5ce1e4720fe216256ff4615f3.top

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
behavioral2/memory/4774-1.dex	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.taggearback21/app_deposit/HBqmp.json	4774	com.taggearback21
/data/user/0/com.taggearback21/[email protected]	4774	com.taggearback21

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.taggearback21
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.taggearback21

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

collection credential_access impact

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.taggearback21

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.taggearback21

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.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.taggearback21

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.taggearback21

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.taggearback21

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.taggearback21

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.taggearback21

com.taggearback21
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries the mobile country code (MCC)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4774

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

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

Clipboard Data

T1414

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

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

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Downloads

/data/data/com.taggearback21/.global.com.taggearback21

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.taggearback21/app_deposit/HBqmp.json

Filesize
1014B

MD5
2bf3903e2ec614513e21e0e33dd42c8a

SHA1
3ada7c7d2f83bda6544777e8228cd2fdeb218514

SHA256
79c095e98feffca402004d7b149633d49157083049377df42c73d1fe8b0957ed

SHA512
87a637a77912151fa68cbea17cd16c62f9a515aec0485ef3ed46922e6cc5dfcd9c120dc28b841584fd98cfe526534d06fb6cd691fb8f4dd68d47fe9aa6d9a917

Download Submit
/data/data/com.taggearback21/app_deposit/HBqmp.json

Filesize
1014B

MD5
2a33ff08b2498230eaa433bd872fd462

SHA1
d6296213407519ffbd0dfa8ec5086bf5c3aa4181

SHA256
0d9a6181c82e4a4647d4610bb4d8b12ab574d66cd9b691eb27b7e1d41426e3a5

SHA512
65dac93e1b1bd7fe8f3b8d668ac48ee60e2f84cb356e4dec303d92c0e98aa1110b11a5e2bd4b63e241049d8cfd159ab506a1d59f794c8989914c2d21be3c1235

Download Submit
/data/data/com.taggearback21/files/.k

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.taggearback21/oat/x86_64/[email protected]

Filesize
471B

MD5
8f4678f223dd6bbdf482707812b1fc26

SHA1
e195ac4aefd798837c351f8efeefbe965cc56aef

SHA256
f059d764d6a0665ab5437b8098e2369bee8d8c92c1c1d4532448be74758d4e5c

SHA512
19e122939fe82f119052b46a365ae93aa018d2d6e40f72b675458f7bf719f6e7539885ad00670cd70bd6160486dfcd1f2ab63fa550513cf9b853d6ecccb69258

Download Submit
/data/user/0/com.taggearback21/[email protected]

Filesize
525KB

MD5
44bffe81ac1d2e0eaeb70a4739ce9dc5

SHA1
faaa501fdb1efad50fa28888daca094b6f56ade6

SHA256
0887612b46e4118be7d8932d38934a3456fa1d01ed361bfe853355bb84ee3f23

SHA512
5af9a744716d1d5c3784c0f2e9981d1cf9b735e4d772c1b314cdad381b2be67d0056d9778cf6a0feea83189f5d9700a713af3368985305aae96ec4bdb447ffe6

Download Submit
/data/user/0/com.taggearback21/app_deposit/HBqmp.json

Filesize
1KB

MD5
906f6518665fcdae2b61d011bd046306

SHA1
f4f8a9ed0e681d9f6e9177329c8dd2da97b4cbb4

SHA256
c3cbf0b7023908ac8c05491e1bdd0a1f1eb25dfccd20ad5b95fee63471a9fb58

SHA512
82fae05579dde82ff24302807cbc20c6136a35e95f766fd07499b0c7f2994af4031fce8b1ced682697117179a80a771d635bdb1db4a9210219cf522353c0c7f6

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads