octo | 7cb7c01cf38976a0885a9b737f633ecc131381c5fcca3dfd94818df8f1716f47

Resubmissions

11-01-2025 14:53

250111-r9fpsatrbr 6

11-01-2025 14:23

250111-rqecls1mcv 10

11-01-2025 14:13

250111-rjve9a1lbx 10

Analysis

max time kernel
22s
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
11-01-2025 14:13

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General

Target

7cb7c01cf38976a0885a9b737f633ecc131381c5fcca3dfd94818df8f1716f47.apk
Size

9.4MB
MD5

623ce8b36331e347a676581c70d2bb41
SHA1

2ca0da29b519817ba03dba942aff005dd565c522
SHA256

7cb7c01cf38976a0885a9b737f633ecc131381c5fcca3dfd94818df8f1716f47
SHA512

6a25c7af683e70ae7b87ea67c42e98d725e30d66843cc59ab049e50ec634bf21de54c0a0a62cf2b0b589dfb64f2fa6e0fa5e0cc44c392224a9bfc3b87bc7bb38
SSDEEP

98304:Nsg/gg8j7aRsrM5iSRGUBVKeMwupCivpXRbPPU9W4ZlWq+ffD89QZrQ:R/gTj7aRTrfUpxpCivFRbPlaQ3Il

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/4249-1.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.retouching_marketfk8

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.retouching_marketfk8/app_horror/onS.json	4276	/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.retouching_marketfk8/app_horror/onS.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.retouching_marketfk8/app_horror/oat/x86/onS.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.retouching_marketfk8/app_horror/onS.json	4249	com.retouching_marketfk8
Anonymous-DexFile@0xc8801000-0xc88849a8	4249	com.retouching_marketfk8

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.retouching_marketfk8
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.retouching_marketfk8

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.retouching_marketfk8

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.retouching_marketfk8

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.retouching_marketfk8

Queries the unique device ID (IMEI, MEID, IMSI) 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.retouching_marketfk8

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.retouching_marketfk8

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.retouching_marketfk8

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.retouching_marketfk8

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.retouching_marketfk8

com.retouching_marketfk8
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:4249
- /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.retouching_marketfk8/app_horror/onS.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.retouching_marketfk8/app_horror/oat/x86/onS.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4276

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.retouching_marketfk8/.global.com.retouching_marketfk8

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.retouching_marketfk8/app_horror/onS.json

Filesize
1018B

MD5
0b82574ea45e7d4b87bea9a76573f148

SHA1
52fab115ed5cc187da30486f7e4ea428641957fb

SHA256
79f0cb0ca9c1f6074b89b9448ff76a125517f02ec10bb41e3f0dd874e5ec81e6

SHA512
6157135e842f5781dbc6d5dbce44e26f86c9555094bb11ca83fd0cae621541c72eea05d0ab6efb01035b92d8b60f21afa4d8e9e067e3bffd4e5df616d28717dc

Download Submit
/data/data/com.retouching_marketfk8/app_horror/onS.json

Filesize
1018B

MD5
502a8b3ca099b8dcf37475403477e1f9

SHA1
d953c9e94bd6e40e9aa4f14cda221834a777238a

SHA256
f12fb8bcaebe05550f5c38d9ea03c4ac2d58d95bb38d17ccf2b92f62dc3e8c03

SHA512
46fbae81efaeef3185097071d02a600d7f153e319a1702249ea3a4ddc4ad744051d8c5ca22e52b7d62d2604ad60c151022ce19033ac56283f37ff6a6e4f343bb

Download Submit
/data/data/com.retouching_marketfk8/files/.d

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.retouching_marketfk8/app_horror/onS.json

Filesize
1KB

MD5
c9232b80c569a53004ef5d1c9e0fd464

SHA1
d1e001ce300c200736bfb7fae2d998ee3a42f855

SHA256
dd9aa13f47a99208282db117562084d7cd95030b3605e793cc210a65c952d1f7

SHA512
69133cc0669314542e07671524cd961214eec5a81b8ed447a176496119d12af95ff29afbc54fd5221db1d723f28c92091729c248e4b0ddec2a7a9bb3e684fe66

Download Submit
/data/user/0/com.retouching_marketfk8/app_horror/onS.json

Filesize
1KB

MD5
663a9e5d63b310d0ed7b3b0b853de454

SHA1
13aa46bc7d972f21631275e3e924780173f89a9b

SHA256
9c3ba87a112e01b273c37e20e3eb52dce17e7235824ce3f18bad9e8f13ba64a5

SHA512
83d59890b31d52653bb2f767bccb7bbd60324702c72e884adfe52c03c771b1e9f3e6706d3ebdaeff5e23facf0a845e49cf9b547b56fc2805b50853152a6b6d19

Download Submit
Anonymous-DexFile@0xc8801000-0xc88849a8

Filesize
526KB

MD5
d3441eaff611da21013f0aa8879eb809

SHA1
28ada0cc753682e69e12e8a683a4b8dfe1c8edaa

SHA256
3c5061246319f575253e7a30c9b5571bb37177a737a14dce65ea6acfc04ba7a2

SHA512
998a5e5c7a5c88fbbf5fce7ce8f8d119b406fd40b354194acd84a755473fae3416a3c4932dd6326e988e7b88b7924fc15705e4f6a6875b9a10d207b07110c652

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads