octo | 96515ec94f2bce57561174f2516246c16b73ddfc5f0aadf2aa576f65604df213

Analysis

max time kernel
29s
max time network
34s
platform
android-13_x64
resource
android-33-x64-arm64-20240910-en
resource tags

arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
submitted
23-11-2024 10:56

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General

Target

84b4b256e482bad6dfa694a96e9b4ea5fcc9fc0f.apk
Size

2.2MB
MD5

081bd06adceac9e3b5b19d9369156634
SHA1

84b4b256e482bad6dfa694a96e9b4ea5fcc9fc0f
SHA256

0a878d9178c95ad2a518471d2d97d6dfb50b5e9bc1bd0e053a3fa85c787b891b
SHA512

77f30b67b577f1fc5c4450b92211c85163eb94e4c6b0a2ed8e2fe4e1436ef1d0ccd115255d71272ca60c6890ce8c0d75aa65ee2eb7c7454b1f3625eebb172eae
SSDEEP

49152:DwufK3pY9s83fPmN+yOp97eYCyczag2XiZGZbmqQa6qAE4KoSx:DwuUY9sUfPmNfOeYQz/2XiZQ/Q5g

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://chrownna.top/ZmU2YzQ2NjZlNjc2/

https://lauytropo.net/ZmU2YzQ2NjZlNjc2/

https://bobnoopo.org/ZmU2YzQ2NjZlNjc2/

https://junggvrebvqq.org/ZmU2YzQ2NjZlNjc2/

https://junggpervbvqqqqqq.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqgroup.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqnetok.com/ZmU2YzQ2NjZlNjc2/

rc4.plain

Extracted

Family

octo

https://chrownna.top/ZmU2YzQ2NjZlNjc2/

https://lauytropo.net/ZmU2YzQ2NjZlNjc2/

https://bobnoopo.org/ZmU2YzQ2NjZlNjc2/

https://junggvrebvqq.org/ZmU2YzQ2NjZlNjc2/

https://junggpervbvqqqqqq.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqgroup.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqnetok.com/ZmU2YzQ2NjZlNjc2/

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

Processes:

resource	yara_rule
behavioral13/files/fstream-3.dat	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

Processes:

com.halfseeqp

ioc	pid	Process
/data/user/0/com.halfseeqp/app_DynamicOptDex/YrTGbO.json	4475	com.halfseeqp
/data/user/0/com.halfseeqp/cache/vbznvnvecysuk	4475	com.halfseeqp

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

Processes:

com.halfseeqp

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.halfseeqp
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.halfseeqp

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

Processes:

com.halfseeqp

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.halfseeqp

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

Processes:

com.halfseeqp

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.halfseeqp

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

Processes:

com.halfseeqp

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

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

Processes:

com.halfseeqp

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.halfseeqp

Reads information about phone network operator. 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

Processes:

com.halfseeqp

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.halfseeqp

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

evasion

User Evasion

T1628.002

Processes:

com.halfseeqp

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

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

Processes:

com.halfseeqp

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.halfseeqp

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

Processes:

com.halfseeqp

description	ioc	Process
File opened for read	/proc/cpuinfo	com.halfseeqp

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

Processes:

com.halfseeqp

description	ioc	Process
File opened for read	/proc/meminfo	com.halfseeqp

com.halfseeqp
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 accessing notifications (often used to intercept notifications before users become aware).
- 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:4475

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

Access Notifications

T1517

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

Access Notifications

T1517

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/user/0/com.halfseeqp/app_DynamicOptDex/YrTGbO.json

Filesize
2KB

MD5
70ef485aa51f14f59a5e2997127a586e

SHA1
bce9e0f81308508ed401d7152ec4f029f29e1edd

SHA256
a415981f4450ccb964ef1623d5ab40e1d47f6e95c3fa6d5204bcd606fead2f57

SHA512
abbb84c24545a1f5db40a47503fced30a600403f84c475fec0995619bdad01f6c397145ed4123634959449a4b9a0f714cf575fbeb25ee4562b40dc919e7f5fc3

Download Submit
/data/user/0/com.halfseeqp/app_DynamicOptDex/YrTGbO.json

Filesize
2KB

MD5
8ff7172d8017703945f25fa5d2fd516a

SHA1
82b1670ac887ade6081a2f40149b908485cdad7d

SHA256
06ff9288cd367273ce886a37583827557b01d4fca1970476a907b7c43d386340

SHA512
44c0b7e9312ce1009c385712084dc0c8fc997a5617c7145d062799a38106548fd49211c945a41200eae3cdb403a45b00d5b0a4f2a4f7bc668ad877645519f85b

Download Submit
/data/user/0/com.halfseeqp/app_DynamicOptDex/YrTGbO.json

Filesize
6KB

MD5
941f6ba9962e1c4565512205cb319bb1

SHA1
47ebdb3e2f19bbbe44f7ebbf550cbb2dd62b1359

SHA256
321fa09377cd3915f8a621172fd851487d4a3a6c9cb3b0315318d2b8d5e40a8b

SHA512
8075b671926d24dcece0c10a5d32ee547b90013e77afb541f7a13dea210b8ec3dee57827386659a72c4c79e233f4dcc6ca2a93efc57e669ca07d162d25f95404

Download Submit
/data/user/0/com.halfseeqp/cache/vbznvnvecysuk

Filesize
448KB

MD5
c786ed856d4ed11d259d73cae47bcc7f

SHA1
14617e3bfdca890da694b7f7f1dc0d3ae85f39a5

SHA256
1492a7cdffbd232b4f738c529f85fdd2a198cc62331f7746357043458e8ebca6

SHA512
c07d31a9b404c8815f3a276a0d1a28df9830805a9c030a1f638577164246919067d78aa887df02a1ce0af140c77e8d89ee62d55685663150dcd9238b522f77b1

Download Submit
/data/user/0/com.halfseeqp/kl.txt

Filesize
61B

MD5
4f47a2e31e97b94f9f32975f8e3977a0

SHA1
69536e20700413fdab1a10c7b4f06bab58fd5c6f

SHA256
74f10a771a429622d8fff258dbafcd76468b185a40846205d1b1be30a731f7f4

SHA512
99039fbda0b8c4d239d4998fa4d3b5cb29f9b6a7e848bfed691806d85ea1f42acbaac59607b7eafe95561ba9413549eaa3fa69c7eeadb0293df66f816c458b33

Download Submit
/data/user/0/com.halfseeqp/kl.txt

Filesize
76B

MD5
7be94dce81b281e25a268bef0b22aee0

SHA1
ab8d2d98e4848515f53a3fdc043e70048a8546b8

SHA256
cf6fb2feff3a0b5a484769302c3f066adeb6138d4d87f85c192d31d155ee59f6

SHA512
0767016abe8b90a9ef6ed0d093e3fb9f13e1b677ec9a533a4264c9eef9a65980666b0798bd065d33b870b12282581cef471285ec65cb49161a03bf39ed29685a

Download Submit
/data/user/0/com.halfseeqp/kl.txt

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

Download Submit
/data/user/0/com.halfseeqp/kl.txt

Filesize
221B

MD5
e382bf6831f87612d40694a85f06aecd

SHA1
60341bf6b046318b0c22479552db2e52a63cd702

SHA256
41acf8476c3897da9563a5ef02c99fd0ba43b4fb751afcb3a8b1d78fd5fa182b

SHA512
dac392339d9b055b0f0216baf58165bbe75e5c5092c41f5215f83cc1583795ecfabc1f7facd88799261dae6a06c37647deaf89b51ab6cfb3c0991d07537c2759

Download Submit
/data/user/0/com.halfseeqp/kl.txt

Filesize
64B

MD5
545c91e5059e276005bb3f77c0d3c85c

SHA1
7de2e77cfcac70b67e3f002d8c2c439e303bc772

SHA256
1a6acbf365cd8381f4693d7d912725ca8a3581ae44a1a0caaabc478b86cfe520

SHA512
a2498f71f36ef4c55c1fe4444f345ffc5cb3f8bc5935522774563167197d6c0f0d5be5945da8a30cdd7daf3e1016188e393e67ac87e147946c06b26feb23c20d

Download Submit