octo | 370c44d79a503fcfc41060a6cc567d1e93c419c41fc04b8169516204578b96e7

Analysis

max time kernel
29s
max time network
37s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
16-12-2024 04:02

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General

Target

370c44d79a503fcfc41060a6cc567d1e93c419c41fc04b8169516204578b96e7.apk
Size

3.5MB
MD5

42305a4586640e91c21dd72bdff55bb5
SHA1

c462208e1117e88e41d5e4d71509f0ffaf6ed6df
SHA256

370c44d79a503fcfc41060a6cc567d1e93c419c41fc04b8169516204578b96e7
SHA512

ca2cdb1087ca6d53c3a0b669fa28534411e9d054d8a659ccb90e37450435430dce928a51da716888fe1994cb4599df8ff9094d6be13bb7ba1564d19692863666
SSDEEP

98304:gukWXLjQGrAmA9tnkgjOfd8kWG89oiEKQqBNvxjTPPJ:F8I3WGcoNKQIPJ

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://biribizidurdursun310.xyz/NTQzZmI0YTdmMjNl/

https://biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://3biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://4biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun361.net/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun536.com/NTQzZmI0YTdmMjNl/

rc4.plain

Extracted

Family

octo

https://biribizidurdursun310.xyz/NTQzZmI0YTdmMjNl/

https://biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://3biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://4biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun361.net/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun536.com/NTQzZmI0YTdmMjNl/

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
behavioral1/files/fstream-6.dat	family_octo

Loads dropped Dex/Jar 1 TTPs 4 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.oftensomeicxc/app_comfort/Yjaq.json	4251	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.oftensomeicxc/app_comfort/Yjaq.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.oftensomeicxc/app_comfort/oat/x86/Yjaq.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.oftensomeicxc/app_comfort/Yjaq.json	4225	com.oftensomeicxc
/data/user/0/com.oftensomeicxc/cache/abgpytiyxdgrm	4225	com.oftensomeicxc
/data/user/0/com.oftensomeicxc/cache/abgpytiyxdgrm	4225	com.oftensomeicxc

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

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.oftensomeicxc

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.oftensomeicxc

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

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

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.oftensomeicxc

Queries the unique device ID (IMEI, MEID, IMSI) 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.oftensomeicxc

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.oftensomeicxc

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.oftensomeicxc

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.oftensomeicxc

com.oftensomeicxc
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).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4225
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.oftensomeicxc/app_comfort/Yjaq.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.oftensomeicxc/app_comfort/oat/x86/Yjaq.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4251

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

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

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Downloads

/data/data/com.oftensomeicxc/app_comfort/Yjaq.json

Filesize
1KB

MD5
c64864119c7ee5f9debd606f51fbbc46

SHA1
0e0f5aefeb54bc25d4d2b50c16e0888d5b9d7d86

SHA256
81299f091849bde782682c8a4c7fe30f2651ac5a7860e733e7d5e58622441446

SHA512
302fc045b89962a51e10e5143a0733ea72f46a0ebde50231b121de07b397cf1d370b8a3eb8b75313757836b33dfaa4064ac07181253fde3a538033fc98eebacb

Download Submit
/data/data/com.oftensomeicxc/app_comfort/Yjaq.json

Filesize
1KB

MD5
8677544e8b9160020bd1f10ac08a9e06

SHA1
ca7a437df4bdddb203ec5b1d1288d65b4460a032

SHA256
c9f6c98e1334839b099e7f1048fcdbc14573c7fee3e0b962517672c470494662

SHA512
bb7dfcf809775225c3a4b5a158ef72267130b89814024f528669446db25510273872e2f27b3b5417a71baddb65fd6aa0c4b78e30ea5e436ba39402cef3e85424

Download Submit
/data/data/com.oftensomeicxc/cache/abgpytiyxdgrm

Filesize
449KB

MD5
9b45e7dcf1b8ee3d519b2bc82bd96fad

SHA1
b8956163c2aa3ad2f789b4b22165efa3e4e7906f

SHA256
e44ede663af808cb25c9c80df13798e87b7baf79cca435ec16f60ea8c9c9752b

SHA512
1cc3b08b844dd358d8cefe74281c4e558bae8dadf18c905bace41a69ab0a228f26ac170bbadaaccc21f9e4f7e22b21feebbb937243fa0d04919a1e5d1268ee39

Download Submit
/data/user/0/com.oftensomeicxc/app_comfort/Yjaq.json

Filesize
2KB

MD5
469188bda53a11d3a982c38bd97c6106

SHA1
ba02e2eb861a2234823b3cf2d5d5c4ca6939cc04

SHA256
f6e6b6f41c64f89568e44be83d3f9fb516787e52f123fed542d7fec8d7ddcf68

SHA512
8f91d31bd28581c1b3e9dfd2455f3546ee7ea7ae568616774e4dbe47a9ecdc33ec4fffb98421c7a442cf5fa226290d9d0bb78d7bdb8111232ef988866b812462

Download Submit
/data/user/0/com.oftensomeicxc/app_comfort/Yjaq.json

Filesize
2KB

MD5
a93217e54831c3b516d81819a8400ffd

SHA1
cbd0abf02b57e063ee6610eff8498f79cb89e86e

SHA256
321ff82cc4dcf9168de5c032657f0fe4a5267d8237268dc85c7564d58c71c68c

SHA512
c487d9b0da9d30b63ae54b98727c66fb74db0a08fc26a078a800a29f46a3d4528999165e8723d41a46ba7da5b6e1b4a259e01185be3f487b0ff90d17260004f8

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads