octo | 2d940a54b2dae557560129a98e7e17f221fad5bf1000eacbf9f15212cd1d6fd3

Analysis

max time kernel
149s
max time network
157s
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
16/11/2024, 22:02

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General

Target

2d940a54b2dae557560129a98e7e17f221fad5bf1000eacbf9f15212cd1d6fd3.apk
Size

605KB
MD5

39e58f7eb8fff109c37a2a3159eb16a5
SHA1

8eb22ff428f0c1ec1060c6d03f62312f70b9df99
SHA256

2d940a54b2dae557560129a98e7e17f221fad5bf1000eacbf9f15212cd1d6fd3
SHA512

8ed6b2aa9c4ec9ce1876809b4f4f2e580eee6ec4ad88c9e3b2b578f6b0489cc085b1b3b4269bd572bd83d9f53955a2b2fa3d11ed9f892288c4d60682b18e4bb3
SSDEEP

12288:6xcTSduysIZWgd8ZymOtxwXmtV0L5Lw46xWra4EGg4xhqMOSk1D5s4hDLrMhdHN:6xcEhsI0gd8Ym6zS8xxWm4JgiwSUD5sz

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://34b6413595033c23.biz/YmZiMzU0OTU5NGIz/

https://34b6413595033c23.xyz/YmZiMzU0OTU5NGIz/

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
behavioral3/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.shouldfivejf/code_cache/secondary-dexes/1731794541870_classes.dex	4821	com.shouldfivejf
/data/user/0/com.shouldfivejf/code_cache/secondary-dexes/1731794541870_classes.dex	4821	com.shouldfivejf

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

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.shouldfivejf

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.shouldfivejf

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.shouldfivejf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.shouldfivejf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.shouldfivejf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.shouldfivejf
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.shouldfivejf

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.shouldfivejf

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs

collection credential_access

Access Notifications

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.shouldfivejf

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.shouldfivejf

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.shouldfivejf

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.shouldfivejf

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.shouldfivejf

com.shouldfivejf
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)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests modifying system settings.
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4821

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Access Notifications

T1517

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

Access Notifications

T1517

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.shouldfivejf/cache/classes.dex

Filesize
447KB

MD5
be59c2b34d906da0cea68197e682e383

SHA1
dff831bdd0a10c94958d898b8ab60bf0288bad8e

SHA256
8876b62f7429a43b0608248ec58025fb3024ca5cc4f777002e9a1f1b9d5a442b

SHA512
1ab97f380b4ec6b243a7fbad55ded0e01e8fa075096ffd691acd20c072fe8a2db20215617d22f390cd2bbbcc5b4ea8b9573f92afa2ef10f993fdb3359fdda7ed

Download Submit
/data/data/com.shouldfivejf/code_cache/secondary-dexes/1731794541870_classes.dex

Filesize
1.1MB

MD5
3076ef16ae272e6bb2cbd7e0a340f409

SHA1
0f729f031ac9d388a950b8394a98792e287d7cb7

SHA256
9301b29b21a2da963c40ed5a4e215f4645808ec5b834347ed26e1090e415afc8

SHA512
56757f31045c71743e6011728ec212e3e798c1cda5200448ae2b7fee84694285ec71bc192d434c132ec979be516b26c386b48ee70afc6f93ec015199341b4994

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

Filesize
8B

MD5
cc4f7749c36d024017dbd0da4803cf32

SHA1
cb69d30b2f0ec38ec08ac768c79d7fdb483a7be4

SHA256
f9b34ae6d0fcf43222620174a64d909cfe93c301a0bc8c97fffd8adb204c8d05

SHA512
46a4277af5634cf8e57d32e235884aa55df8e4e2cb35b5a214bd1c547096e948f05771b4ce64ee270c4793530270c27832323579d4155d99307ae7271e8f70af

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

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

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

Filesize
512B

MD5
aca7915fe66e36cfecd88c1bce933023

SHA1
3a5bd9f71774c3cb4ac18ebe7c338f5328e69dd3

SHA256
9c215b5cd9ea8028871bf120f796550f95af2038bfc53422f97c49ed2d3f108b

SHA512
2c1a40fa8b9c89e0dd104e05afee66af77daf74594d82d583151976ea40f70b4e6f6942709b376920700e8eb27bddb9768840c1043c2f5fc7bbf431d8f033209

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

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

Filesize
169KB

MD5
df630772f339820a696bdf854f1153d1

SHA1
f8969c2808946127b7f64e95287afaacaa377998

SHA256
43e87958511069652b81d3124cab9b72f56e36800250165e9c76a7de1699fe00

SHA512
2d5a96cddc94e278160755376b1c7514fc8bb503e7517c6d86e702ea4e095ed20bcf69f7a9ec23986c012e89d5e257665e586cf274702994e4befb8f2df3ee2e

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

Filesize
16KB

MD5
3ae20d0f335f205b8f51ee5915241c55

SHA1
c7fc5a8d1fc56b7c780b9082b7c47cb56edcff6f

SHA256
2e09ea7f5fb14024240750393599c551c7645a3960343ac4a5a94364212d688b

SHA512
22326f0bc1db186ca0f50747689a739c5f7f112978c38f921ae70fd5c0fd8cf2f2952f4347f2e769304547e186f9af1e6211604f1fab13291f2776317616e2c5

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

Filesize
116KB

MD5
0b1af66579888c7dbee8ccabccf2cf28

SHA1
6f01b5854b75b6e0aee1bf730a7d9039ee068e7e

SHA256
e9ea1750d038e8320034c02d5aaab0fbff86e7a7cfb18861fb6da1a84b1d63a9

SHA512
12776dcd32702bb16783e8f8e0de9b982e6a271e59822d652202b3be79832ee4f6c83d77112b6c5499242a4b0896814a0bf2bcaf04ab6df2689981aa1636f787

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

Filesize
113B

MD5
371933addf84ca8976ae2c5c9514011f

SHA1
590dff552e17a96420e150b3f3c0232137eb5139

SHA256
ffed2d6fe76139f35b3d6d95ca7cfd6de2dafb0de6a7dd0cd5b6f27da44265e9

SHA512
5c13da52287c419f2f0b069f41bced8fe600451c6e5de879bb7d30a5450138aaead37ce974079c72aaedcfde42e53be561e69af171d66189e3c57d31b4ea5769

Download Submit
/data/misc/profiles/cur/0/com.shouldfivejf/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