octo | 6f03f886a72fd98584849bddd33dc2bda2ceecf013c90dd48fadafc043a8e4bd

Analysis

max time kernel
149s
max time network
168s
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
20-01-2025 13:27

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General

Target

file.apk
Size

7.0MB
MD5

b576ab4c15271c654c38f17e700d381b
SHA1

6e06823f8d9409b53e7b7db15b4e444b3dddf1bc
SHA256

6f03f886a72fd98584849bddd33dc2bda2ceecf013c90dd48fadafc043a8e4bd
SHA512

3af03ec936faf4e14e5aa18d4f0d4aecfb1c976f1b3f927363abc194edc855e8eef150cfdbbedf70d770f40f50acf0700e1e4594f7af577311e69cf5831eedf7
SSDEEP

98304:p/eNlBXMgS3gmC+3XMVKhm5iSRG+FKmQWeXWClRsV:YlBcz7H3XMUwr1R8Ry

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://4c42861c96e8777cae165fc1c0a55b57.info

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/4298-1.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.rbtools_cellqv/app_wage/XcdY.json	4298	com.rbtools_cellqv
Anonymous-DexFile@0xc30f8000-0xc317b5b0	4298	com.rbtools_cellqv

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

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.rbtools_cellqv

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.rbtools_cellqv

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.rbtools_cellqv

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.rbtools_cellqv

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.rbtools_cellqv

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.rbtools_cellqv

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.rbtools_cellqv

com.rbtools_cellqv
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)
- 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:4298

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.rbtools_cellqv/.global.com.rbtools_cellqv

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.rbtools_cellqv/app_wage/XcdY.json

Filesize
1007B

MD5
d57bc6e61c0de0e503ca9965abbb6a6f

SHA1
b5ebe5245ddcb927d71899e23cdd8f9626ccd8a3

SHA256
eab2d78c37b3c03f2619e666cd1f654c60fd66e9c212d8f8d3874c4717a33b4e

SHA512
17fe7911fb7d3dbf2f4353c67232f7cac6823640fe5fcc5c56eab50bd11b2579879e1556fe05dbb7d29b403c53f6aa8e5aeda62b4a1de9ec7d8b37306973ad15

Download Submit
/data/data/com.rbtools_cellqv/app_wage/XcdY.json

Filesize
1007B

MD5
32b0e94de712bc7f5dd08cd600662710

SHA1
58bf9c6edf576a8412ae441f53fdf99e228268e0

SHA256
04917617f8adcc81193789eff86639333b9646e3ef9f33519ff618abbed247a6

SHA512
bb09af228e338bd85370e2fe91c9de977445af4b6dc968ee7ac3526e26b0d9bcc1e63c61082e35063eeea4a0cd808c5103e87829ea9edaa604bb53e25e4c7616

Download Submit
/data/data/com.rbtools_cellqv/files/.s

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.rbtools_cellqv/app_wage/XcdY.json

Filesize
1KB

MD5
df1f03d1ab7d0b6ec05bca33ea7bb59e

SHA1
553c16545e58f97c6fd3772c6ce3a2b75ddc0fb9

SHA256
abc5024a4e26a728fca159f16f1a81d687f32ac80c3bed792734b2e5d39a7fda

SHA512
49648399e544da88b34aa47ca9b4f94b6bb41428cf3a12a33ccf60db94d060e68f660f767082b0872c38b6c195e3c37b90461d24380b83dbf94a7ad1b5c116bd

Download Submit
Anonymous-DexFile@0xc30f8000-0xc317b5b0

Filesize
525KB

MD5
82e2aec27a28bd4f19a3ecc18af472ac

SHA1
4e32cf6088682fb74caff11a135e3ddc737c8477

SHA256
f7bf476079805697c11450e3f806b7ccd48dfe63efc4d4efd3bde4f903faaddc

SHA512
bfda1356d27c4538c375820348aaca9178b74bba89015b7094b2abf0f3d4b618626add36ec81561d8bd075633a80d0dc8567bc52ce25d3366bdca6f89ac45c25

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads