octo | bed1d48ee44fcb2a3cda906b19205105a24d311b979932529807b6ab0985d2d3

Analysis

max time kernel
149s
max time network
157s
platform
android_x64
resource
android-x64-arm64-20240624-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
submitted
02-12-2024 22:04

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General

Target

bed1d48ee44fcb2a3cda906b19205105a24d311b979932529807b6ab0985d2d3.apk
Size

577KB
MD5

7bd0620af2442abf88d1b86ce3a13d53
SHA1

ed59f857630d2e419741cd018c8083bf1e5b01a3
SHA256

bed1d48ee44fcb2a3cda906b19205105a24d311b979932529807b6ab0985d2d3
SHA512

4649bc5c1e081903283f369f62215ef8f9159da60f1709744189bb4ea310bf3fe4268b4f233ce74cc078a19616d11d9abe5731a5bbb11c77701a8a853a80ea3d
SSDEEP

12288:kQB9XcS0XtRsOtwnmlu4r2rnu1cYqG/Tg+zRlxOf+jo7+zkGs5mbxT:7yXTX6nxSFRl48WIbxT

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://85.209.11.84/YjcyMWYzZjc5OTUy/

https://32fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://33fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://34fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://35fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://36fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://37fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://38fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://39fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://41fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://42fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://43fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://44fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://45fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://46fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://47fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://48fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://49fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://50fdghhoo11.com/YjcyMWYzZjc5OTUy/

rc4.plain

Extracted

Family

octo

https://85.209.11.84/YjcyMWYzZjc5OTUy/

https://32fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://33fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://34fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://35fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://36fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://37fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://38fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://39fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://41fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://42fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://43fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://44fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://45fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://46fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://47fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://48fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://49fdghhoo11.com/YjcyMWYzZjc5OTUy/

https://50fdghhoo11.com/YjcyMWYzZjc5OTUy/

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
behavioral2/files/fstream-1.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

ioc	pid	Process
/data/user/0/com.underreach6/cache/wtuurp	4502	com.underreach6
/data/user/0/com.underreach6/cache/wtuurp	4502	com.underreach6

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.underreach6
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.underreach6

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

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.underreach6

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.underreach6

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.underreach6

Performs UI accessibility actions on behalf of the user 1 TTPs 3 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.underreach6
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.underreach6
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.underreach6

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.underreach6

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

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.underreach6

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.underreach6

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.underreach6

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.underreach6

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.underreach6

com.underreach6
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
- 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).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4502

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

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.underreach6/cache/oat/wtuurp.cur.prof

Filesize
333B

MD5
a257d5a974a12786882128d24d770504

SHA1
cb1f29d258f395227cb4f4d852602c9d8055ff8e

SHA256
202b769b8940823797baf77bd03583ab09771e74cb2cd42914d91a8fff03e348

SHA512
a0c9dc8e678e3eb232bf3f2fdc1f467b34f5dbcbe730c1b95a4117d18c983ad9e1f0ecfa5a3515fa71fabb0f8f8b69249134c3e0efd1872e60258d3ab2c4d040

Download Submit
/data/user/0/com.underreach6/cache/wtuurp

Filesize
458KB

MD5
fb29e45060fd519515980d71abb713f9

SHA1
fac66d84b242f6bdcf814d23dfc29382fd52d51d

SHA256
8f54bc1fa06d2bdb5a15f91dbe8cff6a0481a70a027c5e5ea31fc9704a7a3997

SHA512
f860c9e605acdfcebb453b3e61efa3e40a5e08e5d15074e6f63e6496c08fc6547167cdb6b05092ca17553781de2ca6db37563fabff2f1dbed5104c66acb2e290

Download Submit
/data/user/0/com.underreach6/kl.txt

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

Download Submit
/data/user/0/com.underreach6/kl.txt

Filesize
232B

MD5
0b8f800ce1100ee318765d05f50ea4e9

SHA1
ef82f513586e3143ae324d6c7bca8cc4ed0298d0

SHA256
8578f9093c7df61e334995069da614b7bce17f04b7d4c803f4254d19c065affa

SHA512
ac302ae3bfe1ec78548dd608a84f8e1062908a67f799af8997164977b41290eee0eeccdc84d1217eb44608dfd2fdd9dd87cb7dd89be205c9f852405c008c8ee3

Download Submit
/data/user/0/com.underreach6/kl.txt

Filesize
63B

MD5
e8274fe56a8529097e465d1ee7b1494a

SHA1
c271b09bcdfca46f9838cb46909d72caa4744697

SHA256
1b3bdfb7a0a720388efba6f68f19e91b182d86fc1143b11230ddd4a48b5f25e9

SHA512
a7284e10daf2cac07493d8760d3dcbee355c4182f4d201fa5d4092f7b181cd17b6364d1ae349cc74501d4b282925041d2a4d92620c541619105a0fbcba0652da

Download Submit
/data/user/0/com.underreach6/kl.txt

Filesize
70B

MD5
f0044b0c2a276c1584db1d53c1557367

SHA1
de88b3ec2d9d70dfd9ddf4b0743997be9fc4bce0

SHA256
41cc5b95fb72eeabae2bb76003874557d87222a6e04cdd9b01e44a660a1f82c2

SHA512
9bde7c329eae99f1d5be1218c020353257b9ed655076ecafd1d5fae06e7ef9fa2e74800aa1c9877b85b69bdecea90dc3da546303bf9cc7d4620c09ddfdd0aca2

Download Submit
/data/user/0/com.underreach6/kl.txt

Filesize
45B

MD5
ed81bffafb9971b7be9ec0c571f51958

SHA1
df10ee24af2f210d33fb1804f1a90a7efb836ff4

SHA256
48ede9f867428bd456374693899c9f5620bc9effe2e256f3f42e20348a4690a6

SHA512
d8a1f8bfbaa920156c9c1fce744ad9ec6c08f05415e4046407c0e847b2a01c5e082db549eceb1b6608a9b4eec0ed93b3416389b3208634bd70c8675540427871

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads