octo | 0deb21fdba5fc32e6186bc6593f904490fdf65dbacb014077f1286f050a3b946

Analysis

max time kernel
149s
max time network
158s
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
16-12-2024 03:19

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General

Target

base.apk
Size

7.3MB
MD5

a091f3698e2e0e4258ec09b7499f82a2
SHA1

7b33bfa417bbd5c5848012f5ff15408df10fbd3b
SHA256

b34e33e934d4d37d9b062849b5234ca88b379f22a76f7102f14541edab8b9a0a
SHA512

95b0ba367f6675d9759ad71d3b3924a83b132132681e37dfaabc529b59199b0a932a5fc96c08e817719d04213c88d779fa49dc760581babf25875958b05fd755
SSDEEP

98304:1F7efW5iSRGkXRsaCithKj7uVKqW27fISJOX:1F7brlR2ckj7uUlYISJs

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://6cbe12d804e423a2e6f3631799f16cb5.com

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
behavioral5/memory/4630-1.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.grecommendation_emulatione/app_dad/PdWnD.json	4630	com.grecommendation_emulatione
/data/user/0/com.grecommendation_emulatione/[email protected]	4630	com.grecommendation_emulatione

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

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.grecommendation_emulatione

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.grecommendation_emulatione

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.grecommendation_emulatione

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.grecommendation_emulatione

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.grecommendation_emulatione

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.grecommendation_emulatione

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.grecommendation_emulatione

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.grecommendation_emulatione

com.grecommendation_emulatione
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:4630

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.grecommendation_emulatione/.global.com.grecommendation_emulatione

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.grecommendation_emulatione/app_dad/PdWnD.json

Filesize
1009B

MD5
1e92ca57a39eb3c59f465edfbfc7f438

SHA1
52b538a1c223f16239b8694276c714c6a7027ea5

SHA256
c0960c3ad69d7dee871a0a926b381ff369e47c23e3f6ad5dccdcc8ca8d381c0a

SHA512
bfd77b443afbe0034162464c91ea5a1783b548044fa3c6880700563104ebc606ace1d32b5cec566f615cd71ef2b6a81cace4fe54a1d7ed3340f94f1c391e2116

Download Submit
/data/data/com.grecommendation_emulatione/app_dad/PdWnD.json

Filesize
1009B

MD5
a76d4eb4641d605904c8e5377c0894c7

SHA1
739863dfa3f3ef96d7a2ac48b4e154cadbe7f40e

SHA256
d764a6eac185711576b6fb08b87e8903bcb10c5088813f7006e31cafbc614b8e

SHA512
2bf5ba845ff993880ba5bd1c7a1f972321000e7797422a98cacc389177ad079db7a58ce9314422566814b1c63462170b069f7655839e00a22da6dc93761a4f18

Download Submit
/data/data/com.grecommendation_emulatione/files/.i

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

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

Filesize
495B

MD5
ce19231ef4430046b64eb079c4a2586a

SHA1
ce6fbbe6458564cfaee0db45cf55d28a0359da81

SHA256
e00e557afdd2bb3352d27ddeb332a0243685a832b38ae50040f91c391fbee7c8

SHA512
ac554bad8a8bcbe28dc2970786e80a667a7f2ba9ad6a4942b6d965538f3c3ef9447ced5a9d203abe80a0fb682fb75813f8db3fc9863a954d22ecc522b0671d01

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

Filesize
526KB

MD5
735b53fd78504f8c243342f084a77559

SHA1
ce14b491240473ddf434f7335615a59e874d2cca

SHA256
b52f73978506398de4fdbb604caeddbb34a7f7db2750775479937c65d31a2248

SHA512
d606cfce1c7f85f90efc1369294b71a5490876d49b6311554c684e933c848e0f203bd1d2f560f6e4777e41783c0b18ae62b2e9533171c3a74ffd82c667319dba

Download Submit
/data/user/0/com.grecommendation_emulatione/app_dad/PdWnD.json

Filesize
1KB

MD5
ff57ea1394be3a66532807c860ceffbe

SHA1
d0f6b106a32d6d33543c2766958fa73cfe78bb38

SHA256
c70b695b6aeddd913a8f9802ec3e9a32279efac2de747fe4efac7de3313cd786

SHA512
56ad43489c68ab96108349619fef546cbe2c009b64953789801fee711f3860b4d71521dae10fbb1345182f7739284b8495ecc493edba948453fc48dcbaf071d2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads