octo | fcb21829fd56cc54a933bd4e968a3ed53c741ca45adbfb9f4164aca2ffc48f58

Analysis

max time kernel
18s
max time network
37s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
09-10-2024 08:10

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General

Target

fcb21829fd56cc54a933bd4e968a3ed53c741ca45adbfb9f4164aca2ffc48f58.apk
Size

7.5MB
MD5

63124669a90bb4d47dab55ea9110cf09
SHA1

c063b81b81865dfdc73613fd381f86eafb90b360
SHA256

fcb21829fd56cc54a933bd4e968a3ed53c741ca45adbfb9f4164aca2ffc48f58
SHA512

f5296e8588361dd45aeec7b2b48c61e16398145d370858b9e4a04df804ed04931cfdcf662cd3f575e8c9e55227f62fa1ea42597d890757754e13195905156e5e
SSDEEP

98304:Khf/dEqTy5iSRGVC95GZVKBGgtjq5n/24hsMXnOAoRswSZtKj7a:wTyrV5kUOn7WKARYZ4j7a

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 payload 1 IoCs

resource	yara_rule
behavioral1/memory/4988-1.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.connectivity_themefl46/app_repair/HWDXh.json	4988	com.connectivity_themefl46
/data/user/0/com.connectivity_themefl46/[email protected]	4988	com.connectivity_themefl46

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.connectivity_themefl46
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

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.connectivity_themefl46

com.connectivity_themefl46
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)
- 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:4988

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

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.connectivity_themefl46/.global.com.connectivity_themefl46

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.connectivity_themefl46/app_repair/HWDXh.json

Filesize
1019B

MD5
1271a9a7a47ff977dff73561d715d672

SHA1
14c6965d9696b178204f022001bfc9603c1bfb9d

SHA256
ebc9d33c52978d6f654da8c7a4864a662c771dda4ab2e324df2910850ffdea52

SHA512
2cac38396d6c5518e3db7ff9b29bf4d99b62d0fb0e28fcfd191da6ed4f68b7eeb4bd61f61ec151641947ccb4d84e554e5c537a9793949a58604e8730d913d229

Download Submit
/data/data/com.connectivity_themefl46/app_repair/HWDXh.json

Filesize
1019B

MD5
480752b7cc626fb5042b3b45a3aa0d1e

SHA1
24125c0526731176c769b619ad0a899a235e56a3

SHA256
176f75231e850d91e5b1e5c6f1d1fa79bf431d3704bb93a784cd930ddbc4ff4d

SHA512
6977061a171e905e06e658ed76a5e46950fc4078264e9eeb992bcfcdbc8a72009efa371a4018a0338f5f13384fe9a280009f38417176f8b5aee249d068d45e2d

Download Submit
/data/data/com.connectivity_themefl46/files/.h

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.connectivity_themefl46/oat/x86_64/[email protected]

Filesize
304B

MD5
efe97f816a7d6e83ebaff95d9a9836f5

SHA1
880441c8dcbdc3506662854391568426b18067cd

SHA256
53710808278a2d05bcddb64f53ddce027c7258bfc4c1c83979226467012b902b

SHA512
fcd07f2a153c73a44ac5c2e0c68ae408f71a0f5836e4183150c78f1b8285a70fad59f74caabae6fb8d943069c0493b04f265a90edbe395ab72d03fb70583f679

Download Submit
/data/user/0/com.connectivity_themefl46/[email protected]

Filesize
526KB

MD5
66cac236a60fa5aa1169f64b0bbf73f3

SHA1
7374650ed1be2e5c19e9fb129ee7e59df6b5dcdc

SHA256
c60318c364a8f7fa70ca8c33a182514406b776a01cd55ed1534e8215fef380e5

SHA512
113b0f80e639fbd32f6ac908299ae45f890322286078690cdf49d40ed1d1e542d9464784499ccc7db868b42eee7bb72d790a8a1f2e1a41d1c20815f285c776a5

Download Submit
/data/user/0/com.connectivity_themefl46/app_repair/HWDXh.json

Filesize
1KB

MD5
d5fc43e74f732ac5ae7c4ee991d5472c

SHA1
51c9eef39d328b2a79d67b99c0b599a005572ae7

SHA256
e1c60a9056772716ae9876f7bb233b26beb5129bfb5e2ae86f78cc943a942a6c

SHA512
130b5d1c24a0112f7733f25d169d775aacfb76354483a1d0e5e37b3df1db1064a0de7b7cefb95865edb6249e27bd2188b334b42f9a900956ccb89417130e10e2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads