octo | 69004f172da0121ae1313812e97dfc67ecc2f3c6b75231ff52565b534fb8bd7b

Analysis

max time kernel
149s
max time network
150s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
16-11-2024 22:00

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General

Target

69004f172da0121ae1313812e97dfc67ecc2f3c6b75231ff52565b534fb8bd7b.apk
Size

605KB
MD5

6a5b6a3038012f9953b13a708f8b7265
SHA1

4429f716eed529788601c14552aa48a7ca634a2c
SHA256

69004f172da0121ae1313812e97dfc67ecc2f3c6b75231ff52565b534fb8bd7b
SHA512

e8ef81e3d48fe123ab99b6a1e623b311ea5871e8115b84530f346e58f70978c561c3c7b0f0648f155b1d3504ad5c72bd18913eb3c6d08fb4bdacf1b9b25e07ab
SSDEEP

12288:wv2Hpn70EYGXC95tSmRYcdREahbmraMVfVjURfVsyXVy4IqnvRms4hDLrMhdCi:NHFlZyFSmicdea4uMVfVoRfSyfIqnvRv

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

DES_key

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/files/fstream-3.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.marklargel/code_cache/secondary-dexes/1731794429155_classes.dex	5246	com.marklargel
/data/user/0/com.marklargel/code_cache/secondary-dexes/1731794429155_classes.dex	5246	com.marklargel

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

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.marklargel

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.marklargel

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.marklargel
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.marklargel
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.marklargel
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.marklargel

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.marklargel

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.marklargel

Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

execution persistence

Scheduled Task/Job

T1603

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.marklargel

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.marklargel

com.marklargel
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)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:5246

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Scheduled Task/Job

T1603

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.marklargel/cache/classes.dex

Filesize
447KB

MD5
fb7a7e53367ceee6bac148fc05f7fb92

SHA1
3c1659aaff3eba6cf751bc654737856f2618d3d6

SHA256
4c6dcc8089fe262438b61e0b7debad4b6506689485489f74dfedcb8992972d0a

SHA512
0b4a0c169f87a71860c8c41840e2eac3acca7ef82c8e15ac7705be82d4b873600aa0b3ea73f4ed27283f1896acfdaf7ec190de623349e38ddb64f856c58d21f3

Download Submit
/data/data/com.marklargel/code_cache/secondary-dexes/1731794429155_classes.dex

Filesize
1.1MB

MD5
9aa8d5d67565669133c579ae21386638

SHA1
4e15670cabd3a4420f1251ee6b59c28685da284b

SHA256
d52cab89c8f4269e0fe2f4050b42b0842984f402bd766613b34b8f83d0c7d62a

SHA512
a12281391f2e69e1aab5c1a28007499b09bc53a2e4dba8537d243ea8720643e85d882a3703b53479eb020ad621bb1fffde983fbb1eb5ac7f0948cb51c4bbe202

Download Submit
/data/data/com.marklargel/files/profileInstalled

Filesize
24B

MD5
81410ddee4a8ade37f9671e0307132ce

SHA1
79e454f5cd7b44673ebcab497187a546febdd2d5

SHA256
8f3804266854159da1479a219ca2c0de770c667e1d95d33aa71ee5a6d34524dd

SHA512
6dc38ae18d0849a73288652326de0f65c3061e7425fe51268e6752587112c2b11c3d6d7b592ef2925ae6445057bc0a62775826933c9ab032bf63272a1af3cdad

Download Submit
/data/data/com.marklargel/files/profileinstaller_profileWrittenFor_lastUpdateTime.dat

Filesize
8B

MD5
08c21295dc9804a768691fc0c07253e8

SHA1
8a50af283fd54ef9b609730597197c0c8144e290

SHA256
8a03895bb13febcbe3b760cef14288b31a45f9357cb2111aefa48b71474d31be

SHA512
dd050941584e6a0258ecf9d89f4884755f85fdc49d0031882279f39ac2448078530a3c87d6195e0858bf266486a61b621637901523cc910381d403e17cf5c74a

Download Submit
/data/data/com.marklargel/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.marklargel/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
2869598898e4cf898e784f4669c5208b

SHA1
388cce44dd2958a7003bf6fb503e288f6a47090e

SHA256
9a0453f5bfe28f6693610c2da296d167584ec3a892e6fab9c9425c2fb26758d5

SHA512
ffdae3c36c7954efb225a9dd2f21f49f9cf0cb9419753b8cd93c512e3c17210ce43adc96fb8e6505fe6b7d7ede81a0cbb1466c46178fb315cf8fe84bbb69728a

Download Submit
/data/data/com.marklargel/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.marklargel/no_backup/androidx.work.workdb-wal

Filesize
177KB

MD5
052b2cd3670545fab8a3d242a4ebe669

SHA1
601772cd1cdb282348e6f974787f8c6f1b8cc74b

SHA256
bc9b1ebc7e0db5fe659ca85fef2ca3bb96685aba16f277014fc606a2f85cae41

SHA512
3bd57b6045ae52a965c64379641a0ecb6609ffbe0074a7a938c3282646bda2aa9ad471ddca4482b928f2b32fb0ff88963e739e3497e44d26d11dc688ba50ee31

Download Submit
/data/data/com.marklargel/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
d266d307eb8f7906481c56783ec287d1

SHA1
f9b0bd46dbbd5f7bd03b1f5ce8ea4f35520d615e

SHA256
fe3c3847c169d3b1d57295992526d7a828b75270eef76c9e47edc2a9f02b57f6

SHA512
09318c6ef71f4aca2040fbdd8ddc3a544a3c112294cf9a16f9ce238ae12e4788954fb5412931af2628646530e7a50be1dfa3b64d043e30ce262b7028287cca88

Download Submit
/data/data/com.marklargel/no_backup/androidx.work.workdb-wal

Filesize
116KB

MD5
ab55186439a82cf1f5cce230acfa582c

SHA1
5369217fc65a77a02ae3ead7218078640d72c7c7

SHA256
524d78b22666dcbfe61fa5b7d59afa21905719bcbb15dabac7709c46dd6acb8b

SHA512
56b3a21bff539cf5e99d38e96e20c6a3dcf67d14a2eeb03a96ce08fb0b68744a4840eb753ec86cf161f8e7f01541ff2279ecae60673ee611507a459edc818d12

Download Submit
/data/misc/profiles/cur/0/com.marklargel/primary.prof

Filesize
112B

MD5
56c8e82adad0d7ce546d7b1ef2d8f07b

SHA1
78dbc8d0a2e54aa79052a00541f2ce8bcd33640a

SHA256
99685baaffdb6dbe0954b71f34c4f7cc306acb30aa19e40535a390b0e74f27a8

SHA512
8e32239ecf25098997805eeb37b28fafcc928e4944b191c830b03d7109e3ba2a3271697a5905de37d9979d0199ba808900cd361530d0edbbd47c85377ace0bfd

Download Submit
/data/misc/profiles/cur/0/com.marklargel/primary.prof

Filesize
25B

MD5
b9d9e0f8902d129e1aeebff0ae7b725b

SHA1
cb0d2b4c9dd60a5c1fc6261fb581bcd3416fe781

SHA256
25a822139d06016af8be1296c0242b60e35074f94c713e03323636be1162ce91

SHA512
f158a9dc753e0cb41f71a98714ff02198c576bacdd792a6153fdaf6f9a7b52d8cfb6d09099a269d0c1b0d31e2ea5a307ea1db85115bdc6797887a6de36d597f6

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads