octo | 48bc5e8f778f01f8b1bd5c6bf034d4c50675c98318af50ecb852f7d8e078c9fd

Analysis

max time kernel
149s
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
09-12-2024 22:08

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General

Target

48bc5e8f778f01f8b1bd5c6bf034d4c50675c98318af50ecb852f7d8e078c9fd.apk
Size

2.1MB
MD5

bcbbc445f93288c19ee9168e803b9fca
SHA1

4f46109b43f033cdafa44a8fb79c77c94385a01b
SHA256

48bc5e8f778f01f8b1bd5c6bf034d4c50675c98318af50ecb852f7d8e078c9fd
SHA512

b45d5fcb6ad893c75eb81b887e7409c38da50c7d602ab7ebb2f269f53bacfb33d9cda61d0eecead6cfbef24dbca982591d6f658f5340fe0c32e388b88587f382
SSDEEP

49152:aRMHwtPg6fDR3cZWllX8L/MTrYwUYSSV9JDriLmUk97zC+su:a2HwtPg+DR3cZOqrirYwK2i6vr

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://oelikixanni14.live/MTU2OWE0NzJjNGY5/

https://r85d4kbe5729.vip/MTU2OWE0NzJjNGY5/

rc4.plain

Extracted

Family

octo

https://oelikixanni14.live/MTU2OWE0NzJjNGY5/

https://r85d4kbe5729.vip/MTU2OWE0NzJjNGY5/

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
4215	com.beenor9

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.beenor9/app_DynamicOptDex/qslSt.json	4239	/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.beenor9/app_DynamicOptDex/qslSt.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.beenor9/app_DynamicOptDex/oat/x86/qslSt.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.beenor9/app_DynamicOptDex/qslSt.json	4215	com.beenor9
/data/user/0/com.beenor9/cache/udpoedrlmdg	4215	com.beenor9
/data/user/0/com.beenor9/cache/udpoedrlmdg	4215	com.beenor9

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.findAccessibilityNodeInfosByViewId	com.beenor9
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.beenor9

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.beenor9

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.beenor9

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.beenor9
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.beenor9

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.beenor9

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.beenor9

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.beenor9

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.beenor9

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.beenor9

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.beenor9

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.beenor9

com.beenor9
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).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4215
- /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.beenor9/app_DynamicOptDex/qslSt.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.beenor9/app_DynamicOptDex/oat/x86/qslSt.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4239

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

Suppress Application Icon

T1628.001

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

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 Information Discovery

T1426

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.beenor9/app_DynamicOptDex/qslSt.json

Filesize
1KB

MD5
e263fd0f2ef46826a192fbe917fec274

SHA1
80282e8a3d6536c8886e7e0ec127ba026359aba7

SHA256
50975688ddb8694cd892ffcb95a7136fdc579fb4ca3d83ae80ad6b16476ab92f

SHA512
dbabb1ecfc026d95fd8c7cd40f94fd7656a19ff30ae5cffdf4cbd9781e550128a13b4685167d0cace12268947e9896eda819b006706387a6cd9bc293da5477b8

Download Submit
/data/data/com.beenor9/app_DynamicOptDex/qslSt.json

Filesize
1KB

MD5
9ef9efec94da15686f21b9e762448436

SHA1
0ab8258c19de715b99e397982da89e4c79389acf

SHA256
dce6560176580e23157648b4aa48a9fd0ebee192f0cb91bd11c112e8ef90a1d3

SHA512
c8ca0acc808d6df6b921b847a47ba6e05bc4de55bd26d3c8ddc5d70b26c10d0099ba72d48647ac7c498f2ad3d6764bb8099f0813085b89dd639f112f929c5718

Download Submit
/data/data/com.beenor9/cache/oat/udpoedrlmdg.cur.prof

Filesize
473B

MD5
b88bef20d986238e896f5f81dedfdb88

SHA1
f9476e54bb20b8f8783976d2ebb26bfe2c6ecbf0

SHA256
400f7186c0ad730e0e080927fac6fd6158eb3b8c7241d71065f25f468a34b015

SHA512
0efabbf76fe4241fec55bdbbb7465a5f6b3cd1958de6d10f9005b82cc2ee50c50394f61a30f337007db4c249ea57697bdc3d2aadf7114e9a08fdbc26458b837d

Download Submit
/data/data/com.beenor9/cache/udpoedrlmdg

Filesize
456KB

MD5
6354448ad1cc09668325701ddddac014

SHA1
dbfc987e0921dc0285e3f59798d379eb60bd2947

SHA256
0a11b12265b2ebfc042f4adf4cb85f9b80f3416be21d314e99ee6bcd52e3203e

SHA512
75ac094323ba576ae57cb67847f900af2b63420c4f6e27d4733230c52f5df6ae143c3bf1642fc09b9931d3ded17a83b57040cabd4ded7b95183274bac0f63661

Download Submit
/data/data/com.beenor9/kl.txt

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

Download Submit
/data/data/com.beenor9/kl.txt

Filesize
230B

MD5
248743fc3daa31843cdea70844fefe14

SHA1
cc3019d835e5ebe8d892f77fc8cd76307005cf45

SHA256
e73760e6f63dd322d0ad96edfc18667a1c3548534d8fb21e5c4a689b64198752

SHA512
137bf80c1359d9edccf8180df4b3c1877095edd98962b56f28e6fd394c94ce9db18aed418eb6d3fb70ea2464c5894653be202e94769fcc24fa033acf700377c4

Download Submit
/data/data/com.beenor9/kl.txt

Filesize
63B

MD5
eaa061917c188b6bec237e6130c282f8

SHA1
b64c195de4459189734371bee88719266b724d9b

SHA256
dec63a1042b814f3a47f973934f8f3d04ca2ebac28f1f36f46dcfb23f64c5187

SHA512
67cbeb2be8b74f60fef56e2dd35ab4980c416cec50ca58bcb6f277fcf19ffed2074ed7fe432ec0bbf52b69496143bb42ec404928fdb89dd8d1afe4b3ffcbd6ef

Download Submit
/data/data/com.beenor9/kl.txt

Filesize
54B

MD5
2eddb360d194defb18a711d6a1a2cdf7

SHA1
a7e4e3b3e051acb0aa0db3597f761345cb70ad47

SHA256
e98efdf1c8679864891bc918870d2b33ba1533829b2499f35dba1b6b26a632b5

SHA512
c5f8ddc52695d55c3539a8d32667dfec5101434ff62ab6edc44cbabad75c67795ff95e5564c24aff13e8c9f25e426567cb8a8c63a55b848988b1270e7e1b5c13

Download Submit
/data/data/com.beenor9/kl.txt

Filesize
423B

MD5
96b3ba650bb723dcb76c11946b1948f6

SHA1
eab5575c6b063858ef2f7cfbda7314beaa74abd2

SHA256
ba0b9698d8773328c0943e21612e3c01ebd58c638daabfb115be4baf19e63667

SHA512
69db7bdf9af9ca8960d0a007411af54deccaee689f2ae59fa46bedccad27f54d228efac03c13ae6adee6728bbc844a26d248f9a5307c31853b5c016f547b14e8

Download Submit
/data/user/0/com.beenor9/app_DynamicOptDex/qslSt.json

Filesize
2KB

MD5
b9fa877a4494b3fefe2613cfcd99caae

SHA1
19714a420c3e2da1f252f3e02deda4c8fc5ea730

SHA256
cdab4a46ccae5777b99b13d172df674c9b0ba0229eb93a55c1e120c599771eb3

SHA512
f579b896317984459b32b6dd4786e4df561a2c475177ae7119d3c7e68c5af88b87c7ef5561feb1ee3f6423ec8c4d3c28abd8c6859db8fe9c076cc38beb47f348

Download Submit
/data/user/0/com.beenor9/app_DynamicOptDex/qslSt.json

Filesize
2KB

MD5
5ce227788ace57daa5125c682d9abf36

SHA1
79d30d4ea7d18631f2bb3c0bce586b4535da518b

SHA256
7c1beae38eecd8c517813c8576336070dbbf41eb216f451d92868d61f82efe65

SHA512
774b9c574ee260f73cd72d615ff9f0667a25c0fdca91a6bd9c91a9c2bb4946e121edd4cf0591fbcd48f1ab32ae23b68adaf545e3f9b47b1adbd47fc9a1a0b1be

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads