octo | 46726aa5dea2bd93a9fee46130ddc2abc77f43207d235d4892a6c101cc896605

Analysis

max time kernel
20s
max time network
36s
platform
android_x64
resource
android-x64-arm64-20240624-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
submitted
01-12-2024 19:31

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General

Target

46726aa5dea2bd93a9fee46130ddc2abc77f43207d235d4892a6c101cc896605.apk
Size

7.4MB
MD5

46536305772293ee27c3bdeecadc9861
SHA1

e0ddd75a5c4a4a2a5504fa82bf70de8d4cc3ae40
SHA256

46726aa5dea2bd93a9fee46130ddc2abc77f43207d235d4892a6c101cc896605
SHA512

12e33b4bbf09f120f426923c9faf5a909b99e77400adfe69fe5d8dd994352be1fdf90b7a248e90423583411ae015abb0d0262624dc1581b7ad8189d29b7fcecd
SSDEEP

49152:wvzK1Xj7PetRsEXdh45iS7xrGnzHjUZyjVKScP9+VFw7Q0sJqefMuY5GENcfnl7A:wvzgXj7WRsJ5iSRGeMVKRM5052NcES

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 family
octo

Octo payload 1 IoCs

resource	yara_rule
behavioral2/memory/4477-1.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.znew_audio49/app_coconut/uRZ.json	4477	com.znew_audio49
/data/user/0/com.znew_audio49/[email protected]	4477	com.znew_audio49

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.znew_audio49
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.znew_audio49

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.znew_audio49

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.znew_audio49

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.znew_audio49

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.znew_audio49

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.znew_audio49

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.znew_audio49

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.znew_audio49

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.znew_audio49

com.znew_audio49
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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4477

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

Hide Artifacts

T1628

User Evasion

T1628.002

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

Replay Monitor

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Downloads

/data/data/com.znew_audio49/.global.com.znew_audio49

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.znew_audio49/app_coconut/uRZ.json

Filesize
1010B

MD5
dcd782faa18b406abf346e6c6efaf925

SHA1
0eb5a30991c10312c4ba3e4334eb8e91d0425e7f

SHA256
a1645ca3168ba2bd6940658296845a15d35a8f14dcbd990c35b3a05906aa4a2f

SHA512
b09a2da94c9ac0a4c5af572aa63804725e9b1fe9afef0d9a0fd8380ac66d1723c4254e207782bab415cd6a38ed93a9f4fd33d8d2a2fa8f66550e023a7394bab4

Download Submit
/data/data/com.znew_audio49/app_coconut/uRZ.json

Filesize
1010B

MD5
9d492806d27b5d1203ec252a36ab942b

SHA1
949e40ccb6ebfe49b02e71d5a52b2f6274498940

SHA256
d5900eaf6b3fe331cc2138e0e8dd6e500edaec705bf1f9930224952f2ec9aaaa

SHA512
02226ef6b0e76e9ea080e7b7a4a56ce173a4781e52ab1df4a29559bb7fd22ca768422010bc8ac4128f1475d18fb5352cbc0059b0d16dfc43b9d7f728756041c9

Download Submit
/data/data/com.znew_audio49/files/.h

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.znew_audio49/oat/x86_64/[email protected]

Filesize
469B

MD5
e3b2f7cf957e82287bb17d355bef6ced

SHA1
a7d6baee9b96b1f2e0d09a2bc7e471cf2f6cdfcc

SHA256
856939ae8551dbfa806c03154f31201307979cf189507b8b6c67341c525ae191

SHA512
2482ce2c3187df1c959ef9aebd63c78a1321f6010a355f154489565b81f06688fb9d1d39f2368a3bf9d3b1542d5f36af84e8150cb26341be1a2d5c0d81ea8df9

Download Submit
/data/user/0/com.znew_audio49/[email protected]

Filesize
525KB

MD5
acf88cc829802124cb144aa42dcfe702

SHA1
b623bd580c0962113eca109f93b2b3265eb7bb26

SHA256
5d1feede6fde72dbe20c192d65e85c4ca879477d902be1bd5d98888ea524a770

SHA512
78ce435e24b02e4a34c53eeb02abf546d541020f3490fa7acd85dce89cc979b55e331766c501ae99c8ddeda1b55bed9555acfb6d45539bcffbace6838e7a515d

Download Submit
/data/user/0/com.znew_audio49/app_coconut/uRZ.json

Filesize
1KB

MD5
257093c1a6cb733ab60560a53d9936c5

SHA1
92598896d5dca77919daea7ac9088bb2f600fccb

SHA256
2976dab32dd4a2203795f6f394fcdfcdff24ce670ff38a9f687c5c9ef7cf32e2

SHA512
86d099df28ea7963d37fbf4bea689bd47edf17035a5bba0a845b3fa2fa2d61ab01388eccfa9712c600b5ad3564c3c7d43242ac4e16f5f62d56aa1743f61eaf73

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads