octo | 0df8c6043105779bbbd483c9d07613716e509e311bbe7a2c62652390f5f00727

Resubmissions

16-12-2024 22:36

241216-2h9hwssrgl 10

16-12-2024 22:35

241216-2hwa9ssrem 10

13-12-2024 22:04

241213-1y5n7s1ndr 10

Analysis

max time kernel
148s
max time network
156s
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
16-12-2024 22:35

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General

Target

0df8c6043105779bbbd483c9d07613716e509e311bbe7a2c62652390f5f00727.apk
Size

1.9MB
MD5

b2bed9d03f63b338427fc93bb7aafc30
SHA1

5a57ca52b038ec6c6d20baf3d8003b831501cca9
SHA256

0df8c6043105779bbbd483c9d07613716e509e311bbe7a2c62652390f5f00727
SHA512

b9635ef374bce803eae60c5c5dd895aeeaaa2c6dec73fc1344f5d8a5afadc97cfea1fc43d72c74208e555a3ed4ec42629d1ebe52f47ee5109a95bb82efec3583
SSDEEP

24576:bw6/b3VoUh3u8yzPaJB0MnWiq+6jiWVcdEQhl0cedK6EMmfR0/4NE30p7:bX5h3ubOwAqjx2OQI7KNMmZ0/4N205

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://recordsimo.top/ZmU2YzQ2NjZlNjc2/

https://bobnoopopo.org/ZmU2YzQ2NjZlNjc2/

https://junggvrebvqqpo.org/ZmU2YzQ2NjZlNjc2/

https://junggpervbvqqqqqqpo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqgrouppo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqnetokpo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvq.top/ZmU2YzQ2NjZlNjc2/

https://junggvbvq5656.top/ZmU2YzQ2NjZlNjc2/

https://jungjunjunggvbvq.top/ZmU2YzQ2NjZlNjc2/

rc4.plain

Extracted

Family

octo

https://recordsimo.top/ZmU2YzQ2NjZlNjc2/

https://bobnoopopo.org/ZmU2YzQ2NjZlNjc2/

https://junggvrebvqqpo.org/ZmU2YzQ2NjZlNjc2/

https://junggpervbvqqqqqqpo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqgrouppo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqnetokpo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvq.top/ZmU2YzQ2NjZlNjc2/

https://junggvbvq5656.top/ZmU2YzQ2NjZlNjc2/

https://jungjunjunggvbvq.top/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

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
4274	com.uswholekybb

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.uswholekybb/app_DynamicOptDex/GWB.json	4300	/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.uswholekybb/app_DynamicOptDex/GWB.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.uswholekybb/app_DynamicOptDex/oat/x86/GWB.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.uswholekybb/app_DynamicOptDex/GWB.json	4274	com.uswholekybb
/data/user/0/com.uswholekybb/cache/bzwdgemlg	4274	com.uswholekybb
/data/user/0/com.uswholekybb/cache/bzwdgemlg	4274	com.uswholekybb

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.uswholekybb
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.uswholekybb

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.uswholekybb

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.uswholekybb

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.uswholekybb
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.uswholekybb

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.uswholekybb

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.uswholekybb

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.uswholekybb

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.uswholekybb

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.uswholekybb

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.uswholekybb

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.uswholekybb

com.uswholekybb
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:4274
- /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.uswholekybb/app_DynamicOptDex/GWB.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.uswholekybb/app_DynamicOptDex/oat/x86/GWB.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4300

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.uswholekybb/app_DynamicOptDex/GWB.json

Filesize
1KB

MD5
b060e8a1ba9fdb9eb738c028afffe71f

SHA1
d35091bab8d0cef482315673bc2c4ad723d9c532

SHA256
ed71d381007be28c6af5dad9417230e2ca249dd7ce75703af62e008baa5f5829

SHA512
e01ae32ef74e7ceb4c907a9cd8d323ab83b8561854b4fa30a2a64703500ee22b7370584caf590a7483c52722b5cd0ce059fc73e1b2abb7c2a270c0916343d7e8

Download Submit
/data/data/com.uswholekybb/app_DynamicOptDex/GWB.json

Filesize
1KB

MD5
c64d93e354c25ac7ee8886f6c5d8103f

SHA1
d1a976b91e0603d289bafb9047baa318f5ba92cc

SHA256
052d26e009ee53b91956501a8b5e4ad40ca9c457f7b875a45ffae15f1ce09460

SHA512
5b36807fd72952f87c0914fb9458f746859307c0bfe76cd96823bc8d6fd2cade543f600988c5e1ff241263346bf066c952181c8e6b15fddad543338cf9cba5e9

Download Submit
/data/data/com.uswholekybb/cache/bzwdgemlg

Filesize
448KB

MD5
b609292c76c45ed701da8e4b5fd2915b

SHA1
a43c2c5310a7d3b0931805ab2596385739e203c2

SHA256
7ca55d15bc884b9f7d79aaa175f087fb0198947dc16458a6ead1194141c49d0e

SHA512
1132f00da5ebaeb64d731a75d3d878da0f6fc8b6e5045ca7e1fdc8ff46a4e10f5483f94d7c2010aaafac909bf0b95f603fa7d8b426fc5684b49203ad190e5ca1

Download Submit
/data/data/com.uswholekybb/cache/oat/bzwdgemlg.cur.prof

Filesize
487B

MD5
44c72a9fbc5724924bbc475137d65b83

SHA1
6386f557d4d35587aec5fdd0173c912b55bd5c43

SHA256
f29573378987cc301499f51940c44be93ee013c2b032ff66f8ca400e3b769d31

SHA512
f9105bbd159cf231786e5fbbba757ac43e6258a939352a62e43bb69f73f84238aa795b35e31b955f3078986d23efff5f0e129fc531ef89c01afa177de03af7cf

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

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

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

Filesize
237B

MD5
638a34f14776aa12578fbb2a7aa05be0

SHA1
26a3a0857b5c5b45a82769309ef23507f1f568c8

SHA256
4b15fee1ace4410010cc840a90051d5c3bf8efee8678cbc1a2adc02a2fdc53c3

SHA512
2dd3f8a71f35cc4910a61bccbef975282e93cb3d8e5d44e2e0d68727f5912e1922a0384cc948d9b67673088e2444ccdbc773d6d2dbfae8a5fb2e4b565da08507

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

Filesize
63B

MD5
d753c990f78621ec8e1f4ed51907588d

SHA1
509c141eeea153a6c6753e48629079018152020d

SHA256
031e47d899428ceabc13e1e876efc46c73912faa5387a28de2186e69e7097cda

SHA512
924c9df578cf20f6e163906dc8d0081cf8ad78e347efa755f95ebc947e8b1ffa5a601d2f321839a4fd92c43eaf08b75b72ccd703e5ebd614d8b081881185dd4c

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

Filesize
54B

MD5
22d473b1dec136554a4826f50fb11d76

SHA1
3262276e186cca5cb17a6ff11658adab62fc5f8f

SHA256
72f2592b55ac4d788854e0523f773654841e958bab26121ac6b3bc9181451b6b

SHA512
0600ef53b9a5e8fbdfde3e294d81ea145564065de3e068b72593c011c5bfd76800e563705397d335617d9e9e5f130ff6f3b882633e8ec437ae18533260655c91

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

Filesize
437B

MD5
ddabaa681bf9186f518c1203be620f85

SHA1
ad72ed6a28ed03fa2a868e1f263772d7eb28decf

SHA256
3323ac743bcc681b27a83ffda9b84d9d6879b78680c1aa391469781b56e5ca04

SHA512
3b355b80bcc97ebd721ea0f45f9fd06940559130db4e335da5c1f63d0f7d5a57eb35014160a5281f3cdeab4232355b40a5d248b63100c859103189ffed94e187

Download Submit
/data/user/0/com.uswholekybb/app_DynamicOptDex/GWB.json

Filesize
2KB

MD5
cc2c3daf782a5f4e1b5c2aceae80b402

SHA1
77803e14388738bc39d0480e5d05f0d9141a977c

SHA256
14144fea73dd5182839f17dc28024999ac641f54adc1209ebc98a7e6e3323b31

SHA512
5f7b0d3167d2d4ad28b1c5eaa043d03c529cfa523f6559d19caa252ff451bcdb7c0b976a458209247bf16ad78c9d2f08b83a8a7646d825cd47b3ee4811f4ea39

Download Submit
/data/user/0/com.uswholekybb/app_DynamicOptDex/GWB.json

Filesize
2KB

MD5
ed058f5d6e67ef83cc9c3d1e907fa1cc

SHA1
f42b93ee85e862ff77ae823a261ecc72bb1f94c1

SHA256
7a334f7684668373b1404a6c801bd421c06fe051374173caaccf51eb75e4dd7b

SHA512
b6823b4fffb6e95ce58cf07af1bab1efb42e88cd4993fe78049428de94b50f68f6f5e4ac565d8068bd4518230f13c5568e73088659056be21424196d547f2323

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads