octo | a03b5db919aa8eecab78ba2d450807a7436fa734bc9c0fe763667ef6bbe3172f

Analysis

max time kernel
141s
max time network
151s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
13/04/2025, 22:03

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General

Target

a03b5db919aa8eecab78ba2d450807a7436fa734bc9c0fe763667ef6bbe3172f.apk
Size

4.2MB
MD5

c60752f4b79203286379c3f5e05042cd
SHA1

1697c3e12fd60c1987ac82bdbcc1e3c9b73b078d
SHA256

a03b5db919aa8eecab78ba2d450807a7436fa734bc9c0fe763667ef6bbe3172f
SHA512

ca4ea6e93318d47610b851ab53b8ad352a895b51279843985f1bd88eb550fd6c7bf15ffbcc4ba12343c8cd158e22b818030daec0ea6482273a2222e0b24b4284
SSDEEP

98304:lqccuJdzVCFzhgk8xX7mC2h1bQW7393qSkQIywXcv1cCwypRx3kp:l9zNk8B7mBbf3qSkQIyb1cRAi

Score

10^/10

octo banker collection credential_access defense_evasion discovery evasion impact infostealer persistence rat stealth trojan

Malware Config

Extracted

Family

octo

https://zoecozum.com/ZGZlZTNiYThiMjcx/

https://adilemutlubirhayat2.com/ZGZlZTNiYThiMjcx/

https://naber25naber.com/ZGZlZTNiYThiMjcx/

https://kelimecozm2u.com/ZGZlZTNiYThiMjcx/

https://naberk1rvee34.com/ZGZlZTNiYThiMjcx/

rc4.plain

Extracted

Family

octo

https://zoecozum.com/ZGZlZTNiYThiMjcx/

https://adilemutlubirhayat2.com/ZGZlZTNiYThiMjcx/

https://naber25naber.com/ZGZlZTNiYThiMjcx/

https://kelimecozm2u.com/ZGZlZTNiYThiMjcx/

https://naberk1rvee34.com/ZGZlZTNiYThiMjcx/

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

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4265	com.worduseuip

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.worduseuip/app_mean/nDmyRKN.json	4291	/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.worduseuip/app_mean/nDmyRKN.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.worduseuip/app_mean/oat/x86/nDmyRKN.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.worduseuip/app_mean/nDmyRKN.json	4265	com.worduseuip
/data/user/0/com.worduseuip/cache/nnduhreixv	4265	com.worduseuip
/data/user/0/com.worduseuip/cache/nnduhreixv	4265	com.worduseuip

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.worduseuip
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.worduseuip

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.worduseuip

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.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.worduseuip

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.worduseuip
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.worduseuip
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.worduseuip
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.worduseuip

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.worduseuip

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.worduseuip

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.worduseuip

Requests modifying system settings. 1 IoCs

defense_evasion

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

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.worduseuip

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.worduseuip

com.worduseuip
1⤵
- Removes its main activity from the application launcher
- 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.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4265
- /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.worduseuip/app_mean/nDmyRKN.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.worduseuip/app_mean/oat/x86/nDmyRKN.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4291

Network

MITRE ATT&CK Mobile v16

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

Suppress Application Icon

T1628.001

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.worduseuip/app_mean/nDmyRKN.json

Filesize
1.0MB

MD5
9001d8e006e35e3356e1452a84f72d21

SHA1
fc2d7e644b8b06a676d48fffcbc76148435a2d10

SHA256
224c4d2f064d7613a3e3b296e5d2511a9c661f8969cf3a84da63d33c035e7603

SHA512
2805af27be0ac1bc80fdf4a938381f22624b9cd810c043e6f977ae08f9d2121035e007157afba04df44c76db0f3e322503766d40586d5bdb1fca201c40a3f73d

Download Submit
/data/data/com.worduseuip/app_mean/nDmyRKN.json

Filesize
1.0MB

MD5
38ef22b0a7a964140df5caa64b68bdeb

SHA1
0261805cba4f5aa24fddbd915780fe4944acea58

SHA256
9b818e2d12169110fbfe4e7468c82efa8bc1b524fad87a1e83d8b43bd2dac4d4

SHA512
2d199145934194f66f2fdb2206922bf8fabb45a84688f22ecb86674d9250435391dce0d9990f0e4349819feb9416377ea65efc1e2976fc315916c2c71cc7f85c

Download Submit
/data/data/com.worduseuip/cache/nnduhreixv

Filesize
976KB

MD5
5562db2b83ff7653611559f1a722d0b1

SHA1
a9fb49b09d69a5d91f1e9bf5657f4dd6bb598de9

SHA256
1bf5163e138ae5f908aab4553e5d5e29c2472632454f57d201808e1219262d24

SHA512
8e93fefe8f8c6498e955b50d41cb00149b9300b0eb8493d71a6a7f7c8fb7b0c7757d89d67a8f4a07e39ee29a9dfb53b1a70ad60bae44d05b7e6370c6de0e3a52

Download Submit
/data/data/com.worduseuip/cache/oat/nnduhreixv.cur.prof

Filesize
478B

MD5
dec15f752e2810bec04c480bef0f2438

SHA1
344c67338da11d018cd5f64478a03bc2c5b84c1c

SHA256
dbddb27272641d64d774bf4bb7668f1061803a318044f02aff0914ae2ca175bf

SHA512
784759417557519ded766810fc894f99ef42cef2b167b132593e65ff909f9020fd8f3bf142ff6922fa2f92eed9b521551e89a23658ec05f5afd2a935002a5954

Download Submit
/data/user/0/com.worduseuip/app_mean/nDmyRKN.json

Filesize
3.0MB

MD5
1bb80528b6831d71a5574c732e750056

SHA1
b31d7629dcee102101751baf00e76d1edb7cbee6

SHA256
c5cc5c7a2182e929849ac48dabbfebee18602a97bc0cf96fe4aa78042e924d86

SHA512
4ec62728acf5782aa549cce3ff8656e7e5b283005d88948a5e5d496d6b716975d1f1707b722ff37473017190ea9e80228ab0aeb64161780fb992ce2d16ecf019

Download Submit
/data/user/0/com.worduseuip/app_mean/nDmyRKN.json

Filesize
3.0MB

MD5
8896671b66a2c84bdc6937026787463f

SHA1
c4f0e65a231a6334489e79ae90e2a380adde50f5

SHA256
c7c6fd92ffcfa130db3f5800b88e55d476f8be802ddffd810e7eff0f8fe368f1

SHA512
df5676491f32e82778f5b225978d692da9c20d5caafec99de4ba67c12325e621c844f5436b1b9c98c3554e6aca21b0ca116f7bc068dad1d12f67e08e2077a477

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v16

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Downloads