octo | 9ca5b1979e721be0e7af069d3e04fdeebf0e005545ed9300bda538d441b32c55

Analysis

max time kernel
20s
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
01-12-2024 21:48

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General

Target

9ca5b1979e721be0e7af069d3e04fdeebf0e005545ed9300bda538d441b32c55.apk
Size

8.8MB
MD5

62ac5da1d3906226c81904d80b317608
SHA1

b9184725f41b2cb0d45d25c37df726ff4bd95834
SHA256

9ca5b1979e721be0e7af069d3e04fdeebf0e005545ed9300bda538d441b32c55
SHA512

f7a3da14c68c1303c517747ebbb1367e3b99ac395280a97b00fe851104a3ca503efa54098054ff0784bbac91764fa8e6f17bd1e846c1a15f7c801930b5344bee
SSDEEP

98304:ocWP+5iSRGDLRs9iW4guchFt4HD+g8AXSmhTVKhTcB3j7Z+WvjFcZjv02:oZ+r8REiEuchFtEU5cZj7E+FY

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/4256-1.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.wifast_privacyee

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.wifast_privacyee/app_scorpion/hlJ.json	4282	/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.wifast_privacyee/app_scorpion/hlJ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wifast_privacyee/app_scorpion/oat/x86/hlJ.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.wifast_privacyee/app_scorpion/hlJ.json	4256	com.wifast_privacyee
Anonymous-DexFile@0xd2b78000-0xd2bfb784	4256	com.wifast_privacyee

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

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.wifast_privacyee

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.wifast_privacyee

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.wifast_privacyee

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.wifast_privacyee

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.wifast_privacyee

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.wifast_privacyee

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.wifast_privacyee

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.wifast_privacyee

com.wifast_privacyee
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:4256
- /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.wifast_privacyee/app_scorpion/hlJ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wifast_privacyee/app_scorpion/oat/x86/hlJ.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4282

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.wifast_privacyee/.global.com.wifast_privacyee

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.wifast_privacyee/app_scorpion/hlJ.json

Filesize
1001B

MD5
926d47f8ace918c059b2acf03cf8737b

SHA1
e755922194f812f2dbfbe00a1fa5d2b625fd3d0f

SHA256
68e4ce1a082e1042002ddc24662c0ba0e81b47e33d1ad349fef0020b5a531f6b

SHA512
d03187a476f2bd28eee082ef0055c5c68027161bd51109c185ba7a91ec6e312f094222ee1f00d7cc0c376ab4470954f5426243d914223f1c04c5889da1f161e3

Download Submit
/data/data/com.wifast_privacyee/app_scorpion/hlJ.json

Filesize
1001B

MD5
22f98e35fdb4c4af3362ee9f5b755bc8

SHA1
f34df6372ef8587b94de440784fb7193a9c01bfd

SHA256
8297d998a85284f438e31ce81b4f556c69fcc5aab85aadeb2a6d143b37208e49

SHA512
ad2cfbaec9573f89bd4830897588d53c2697553cdc684051bce0c1e97cbc438ec2141ec3faa03b0e45cf3abe49f7b2b9fd8a41bf1a1e6f2f0415113db2289be1

Download Submit
/data/data/com.wifast_privacyee/files/.x

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.wifast_privacyee/app_scorpion/hlJ.json

Filesize
1KB

MD5
21255a56379e3c7d9b1c57858d0b42a4

SHA1
d1ab508c8938b0551fa1b537ad2bc86fab547879

SHA256
427f2d0bcd49d32991d6342ceb7c99b70cc7f56cff441d8f4a5abd1b83911142

SHA512
c110716739683db1f8f071ab66d88a71645f50194e68a4a37b5d1a23c80d51638962d4b7f4d289050603e1fb790982260cda311dbf91ddd7d700a17c02f66d8a

Download Submit
/data/user/0/com.wifast_privacyee/app_scorpion/hlJ.json

Filesize
1KB

MD5
37472ee7cc22efe037d16a6f439d3080

SHA1
f13174cf6746fa08a89c407cfb3798c121b312a6

SHA256
657f31263b0c34982562e092001de186c40c6f261956459a32e68f9e4cb1049a

SHA512
343166e1363b18269c17da768bc5441b5f82bb0cebfaee9f190eb1cb5bc532fea19a6d962335dd1673809afdbdbfda7fb5f7fab0b0021ed496c62ab81f809cb9

Download Submit
Anonymous-DexFile@0xd2b78000-0xd2bfb784

Filesize
525KB

MD5
1f054eb9e613e80e1eb9234237855e13

SHA1
0ce3cabd77135f387788eeb1eda6295b10155935

SHA256
1bb8f26190a01179cecb2a6421ebb9cc670a5a4640749ee73d215650799a33e9

SHA512
bc34f2f4b6e90429057e323d7c3ea023b3be40bf5f89a717a8947b32d3b900711596aa4a28db30589911f3fcdd15d9dee359b108e7c2765ab3ebb3784bd5c45e

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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