octo | 24d5b572ee0790c1ec05d5d968b70ac939df3a581dd0e5bd271b524a7d03c8f6

Analysis

max time kernel
137s
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
22/03/2025, 00:54

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General

Target

base.apk
Size

7.2MB
MD5

4a61da22726c477f73e1c8518062cb28
SHA1

d489dce01704de491fa56bc694889cb5a8d22fe9
SHA256

04ac76ce0b7d9e2e7ee4664743e446b7a5fe9dd1b60aa69e30a38fa0088749c3
SHA512

6e3ff9d924039a99dca74568a9f0bd1780370c8930551c1f207671cc7478d580738f9365cd3340cd99bc166b6a8f02eed9105511d36aca4d38917f1cfcd8059e
SSDEEP

98304:mQ/n5iSRGj2Rs5i1yFWxBuTh2VKXXtw5j7tokkG1Fe:mQnrNRcki2Ut2j7wYs

Score

10^/10

octo banker collection credential_access defense_evasion discovery evasion impact infostealer persistence rat stealth 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
behavioral4/memory/4405-1.dex	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4405	com.ngms07_corner

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.ngms07_corner/app_crack/dPLi.json	4437	/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.ngms07_corner/app_crack/dPLi.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ngms07_corner/app_crack/oat/x86/dPLi.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.ngms07_corner/app_crack/dPLi.json	4405	com.ngms07_corner
Anonymous-DexFile@0xd4076000-0xd40fa18c	4405	com.ngms07_corner

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.ngms07_corner
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.ngms07_corner

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.ngms07_corner

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.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.ngms07_corner

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.ngms07_corner

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

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.ngms07_corner

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.ngms07_corner

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.ngms07_corner

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.ngms07_corner

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.ngms07_corner

com.ngms07_corner
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
- 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:4405
- /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.ngms07_corner/app_crack/dPLi.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ngms07_corner/app_crack/oat/x86/dPLi.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4437

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

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.ngms07_corner/.global.com.ngms07_corner

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.ngms07_corner/app_crack/dPLi.json

Filesize
1010B

MD5
edd40a8ed5690e304e5928c1cfb8867a

SHA1
8d03bdf3019c207ae2965ced621f2bf4c72d5cd8

SHA256
99f486ea76f10de7988a38a320f156f4e51255fbf2dbf9e42c03edbe53b7ea85

SHA512
d21d04b5162c01edda94a6f278138f3ae8bde7d997937b414ed479931607673268f3c2b93133880a47c4cfa70d82dd8e0df1e21273170ec8b07c7b4644a0a57f

Download Submit
/data/data/com.ngms07_corner/app_crack/dPLi.json

Filesize
1010B

MD5
ecfcfd5557fc9f0654ede1f92a34ec36

SHA1
d4c48517f7fe24c7df33b29463a014dc37299884

SHA256
452efb4be65fa2dbe3789b18f42eb4e3b569e5459f9d0f11a2a683f217a7fffe

SHA512
c4bf60ca7f8e94f8b724f900e15b5e4f5d8178f37d39c618a1431e2244e54f91b7abce85480dfba113c428527d22397faeed2075f90eeacfc76933a8d9291ab7

Download Submit
/data/data/com.ngms07_corner/files/.n

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.ngms07_corner/app_crack/dPLi.json

Filesize
1KB

MD5
7b1f007c15f08b0dc0fb53c1f2b607c0

SHA1
7f0defe54ef5515adcedd9aea74bf36b0c0b586d

SHA256
13ff461ff6f53a9f64a25c0b2ca8fff336fb884e08431da13c1e16693629cbdc

SHA512
4e4b0e6dd2f02f410c52d8dc801ec96076ee4322f0ab4b65c2e2797fccc512097591cf4780d8fd73f588daf5e88b4f24776aab01ab5c4a34b85038a8543512a4

Download Submit
/data/user/0/com.ngms07_corner/app_crack/dPLi.json

Filesize
1KB

MD5
0940bf5f002294f4e0e5ca27d365237d

SHA1
49ea872886717c0262ed8ae1cea6a6c1b20fb4e5

SHA256
a2f99ff69256110b5756ecc1a3f89bf77ff4af704bab48da24a4d00c846115f4

SHA512
4fd42cf23ebed46de5a54ed98c38c71d6d0c5a3aba5ed0601840da2a63ea8d55aff0d9740663b5f505bd0c18f3109af8aff259c1048a45d825a07af79bc33b69

Download Submit
Anonymous-DexFile@0xd4076000-0xd40fa18c

Filesize
528KB

MD5
907afeb079dd414e6ba812d396de5517

SHA1
38c5670a09c9971b4fb2b062a5e022989d01bffc

SHA256
c3ecb8c015e3424749ef6cb3552b4a9124142aa0e49293e13e82957422a42c3f

SHA512
23d04ce14bb43f4d326dca695823ad2ae377709c9e2d3567e07b65c82ba4567058bf2d2db5ce88e1cc8a0e14f203c9f1260ae8404f2be7ce50ca43971c63ba38

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads