octo | c0195b5290e2bbd1ae8e58d0c8124ef67594516b0220e6be234af8bb60dfc415

Analysis

max time kernel
21s
max time network
36s
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
01-12-2024 22:11

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General

Target

c0195b5290e2bbd1ae8e58d0c8124ef67594516b0220e6be234af8bb60dfc415.apk
Size

8.6MB
MD5

0a61c74610a96a8f56d5b6004cc108e6
SHA1

bb4a19634e0c36edb321fe9d4e5fe8efacff0b66
SHA256

c0195b5290e2bbd1ae8e58d0c8124ef67594516b0220e6be234af8bb60dfc415
SHA512

2491eff99cc30de23340f7885b0700f9e882bb2bd32e7b84ddda2a538003bdcf63e94dc04a10ce268a8817bb67eaebddddd3e284a81d68952acc224ce573cb13
SSDEEP

98304:F7BVjydaK8Tm3RsFzjWTDtX60Bx0jSj757r7oHX5iSRGSWVK0au:F7qd1wm3Rg3GDtX60BCmj75jgXrGUVu

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

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/memory/4260-1.dex	family_octo

Checks Android system properties for emulator presence. 1 TTPs 1 IoCs

evasion

System Checks

T1633.001

description	ioc	Process
Accessed system property	key: ro.product.model	com.bluetoothwallpaper_print61

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.bluetoothwallpaper_print61/app_else/tc.json	4286	/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.bluetoothwallpaper_print61/app_else/tc.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bluetoothwallpaper_print61/app_else/oat/x86/tc.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.bluetoothwallpaper_print61/app_else/tc.json	4260	com.bluetoothwallpaper_print61
Anonymous-DexFile@0xd3286000-0xd3309b80	4260	com.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
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.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

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.bluetoothwallpaper_print61

com.bluetoothwallpaper_print61
1⤵
- Checks Android system properties for emulator presence.
- 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
- Queries the mobile country code (MCC)
- 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:4260
- /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.bluetoothwallpaper_print61/app_else/tc.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bluetoothwallpaper_print61/app_else/oat/x86/tc.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4286

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

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

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

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.bluetoothwallpaper_print61/.global.com.bluetoothwallpaper_print61

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.bluetoothwallpaper_print61/app_else/tc.json

Filesize
1021B

MD5
dba697748d6a047ef81a38a8522d269f

SHA1
c0dfcfd9276d450a87fcaec980b0fa89ee669274

SHA256
22cedb602fd533ebb9f9de03fd45e89a78fc4976f5b75a5f4c2198d165ae9f0a

SHA512
6b84977030a5a70060af62ef36ce5baff2bfd78148e8c0b264165ac7dd8f7591c3b394cbb0b64b8b737e6bb081db5a022354b02c0b341c1e9dd87acf8fd3e609

Download Submit
/data/data/com.bluetoothwallpaper_print61/app_else/tc.json

Filesize
1021B

MD5
e83069d1c9b7423f49d6687dd3bff723

SHA1
9f02ebab24a948fa52c7a99845392d1b1557852e

SHA256
d708241e03a99fc859126aaabf2b577e5700045e2f431904809cb4ae0cd1199a

SHA512
c9c6e987cee63b3b7b76b914f114f087b766994c10d1e608ed076150fd160f405f0d27ada10bdddd94b1c1a77f830780db89e473453631adf3480e216477e5de

Download Submit
/data/data/com.bluetoothwallpaper_print61/files/.t

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.bluetoothwallpaper_print61/app_else/tc.json

Filesize
1KB

MD5
076e40002d4bfe4f47c3a30815a0c01b

SHA1
f6128d14f5e1136b4323586f26bacf3aee9c2161

SHA256
fb48b42cda5a9d4ca0b16c5e1dddb9a7dadcfca861fd36e216e18adaf3e5a588

SHA512
7cd0a506bc9de4c8b6b10541e87b3f7d9b02e76e3e213a18677c12bbd936f343c2ed68dcd43334646d09209e7147ea09c1671cef695e692d604836ce803a7fea

Download Submit
/data/user/0/com.bluetoothwallpaper_print61/app_else/tc.json

Filesize
1KB

MD5
a1e7ece8d71737cc0201cfc04bde896a

SHA1
d72d92fb1e2187a056dc1dc24ad8356fb84024d8

SHA256
82f59f04d109f5a5fec280d0543f78d93552ade89b341677cb9df85f67add3f5

SHA512
1d0c0f1577b2aab3552eb82141564565b1b8b5301f8b3fdabca89782b1e009deb38f7b3aefd049ad2e13a0d4c524ea8b90fd8fa0652db3645edc43b6d77fdb94

Download Submit
Anonymous-DexFile@0xd3286000-0xd3309b80

Filesize
526KB

MD5
293d0e366f4ba54be8289a32a77626fa

SHA1
4be274d6af7628428d4d92b0575451f6c641bbeb

SHA256
36a008afaf335327b7ae73d9c7529ae2ffe75aa55ee5cd088e0c9d02587aa350

SHA512
a6853fe7f15545daa8a83056b02ba1778a846efd6d78991f14e2eea72a224cd192aea658a25b631fbb7e94674fc67d512754e0091b7297c9aa17f26cafb27298

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads