octo | 7bf99c3a33f31613232729e6df3b8a81b25ac54a8c381d09bf20631fbcfa2c95

Analysis

max time kernel
149s
max time network
131s
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 22:07

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General

Target

7bf99c3a33f31613232729e6df3b8a81b25ac54a8c381d09bf20631fbcfa2c95.apk
Size

1.8MB
MD5

59317e631eda3f12727045e1e5918056
SHA1

e2be70729eaffb2ed617b8f1a7b32def1a61951c
SHA256

7bf99c3a33f31613232729e6df3b8a81b25ac54a8c381d09bf20631fbcfa2c95
SHA512

91dbb053a0d3cf53564569231f488ee65722a443ce214154441e235e44d5079236394bf9acd13884a96292f70d3865a310f93aada2ac02ff70aefa5e3703f821
SSDEEP

49152:8UlhE6wXGl3qlti8eOBTPuBb9sXyZGZbmqDHqCAE4KoS1:8UlhWGZqltiTOt0hsXyZQ/DaE

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://zaglefolki1.info/MTU2OWE0NzJjNGY5/

https://passajire555.live/MTU2OWE0NzJjNGY5/

https://majestike8ca.top/MTU2OWE0NzJjNGY5/

https://jikugac818v.vip/MTU2OWE0NzJjNGY5/

https://5a9udxg6l6gd.su/MTU2OWE0NzJjNGY5/

rc4.plain

Extracted

Family

octo

https://zaglefolki1.info/MTU2OWE0NzJjNGY5/

https://passajire555.live/MTU2OWE0NzJjNGY5/

https://majestike8ca.top/MTU2OWE0NzJjNGY5/

https://jikugac818v.vip/MTU2OWE0NzJjNGY5/

https://5a9udxg6l6gd.su/MTU2OWE0NzJjNGY5/

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
4310	com.hasdirect1

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.hasdirect1/app_DynamicOptDex/xaPjM.json	4338	/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.hasdirect1/app_DynamicOptDex/xaPjM.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hasdirect1/app_DynamicOptDex/oat/x86/xaPjM.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.hasdirect1/app_DynamicOptDex/xaPjM.json	4310	com.hasdirect1
/data/user/0/com.hasdirect1/cache/austunkmyklra	4310	com.hasdirect1
/data/user/0/com.hasdirect1/cache/austunkmyklra	4310	com.hasdirect1

Makes use of the framework's Accessibility service 4 TTPs 3 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.hasdirect1
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.hasdirect1
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.hasdirect1

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.hasdirect1

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.hasdirect1

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hasdirect1
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hasdirect1
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hasdirect1
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hasdirect1

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.hasdirect1

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.hasdirect1

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.hasdirect1

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.hasdirect1

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.hasdirect1

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.hasdirect1

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.hasdirect1

com.hasdirect1
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:4310
- /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.hasdirect1/app_DynamicOptDex/xaPjM.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hasdirect1/app_DynamicOptDex/oat/x86/xaPjM.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4338

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

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Downloads

/data/data/com.hasdirect1/app_DynamicOptDex/xaPjM.json

Filesize
2KB

MD5
713164e49a5e35b3cf2ae777370a0e13

SHA1
fc5a1253c8ffdfe50a9d9301e237337c79c8227b

SHA256
f465c43a43d42a35b635171d02227d052bbd5ee357594f3aeb373387a56c97b0

SHA512
37903560913adb02868577f89c7aa1118bfde16d0545e5bdde44355de230bc75eee61cf8737d6174c99a103c884002d0b08a33fe91456db829de7ad112e7d4b7

Download Submit
/data/data/com.hasdirect1/app_DynamicOptDex/xaPjM.json

Filesize
2KB

MD5
a162b5c6d3e0e5a5af7f56dde9a8da72

SHA1
672923d1f30dac24bbb11a1d4a2912112ad23b3a

SHA256
b6394ebc8890c35837216c5cc5fabea4d7ec6024ecf616aa5427b5b5687937f6

SHA512
ce29ac56845eb6e47a5d163e694c6d84944e93ed865fb20a41956504d17b5588e23217150f2e2170f0fc4517beb463c3803c7a2c63bb6d5a4342e34e54ef8f66

Download Submit
/data/data/com.hasdirect1/cache/austunkmyklra

Filesize
457KB

MD5
f181134772090910e13ae250eff983f3

SHA1
32251968bbf36493d19e371e22631b040e2aa991

SHA256
e2c3a3c24dfdf4f6420c07d4105bb2e277550bf49702899ed884e21038664249

SHA512
934b13d218754725d15c589ff7f484b92f2ff2314b970f7080a858810261a0a2e8ae2b1cf4d7e74e23a39f43a844bdf87069eaf9c57f939061231e464d9dc152

Download Submit
/data/data/com.hasdirect1/cache/oat/austunkmyklra.cur.prof

Filesize
487B

MD5
727f0865326793c49c259d15cb040cf5

SHA1
dd602fbd36fd518e632f2875f0c801a15f91ff9a

SHA256
689a72c7b16067fc6fe0a11c43f67dbe269e1218963526d32935f7719e1c4c84

SHA512
9946135f8f01c0a990a3c8974dd51b76454848e717b1558043f626d5165816d490151d912adfba0c0aa1d77df0113180888121fe524fa8eeb63116f8c4e355d0

Download Submit
/data/data/com.hasdirect1/kl.txt

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

Download Submit
/data/data/com.hasdirect1/kl.txt

Filesize
230B

MD5
47c854577f790c408658bd7ec1735d3e

SHA1
f32bb9c3ae351d946048089ac9a87ec80983110a

SHA256
692aa07d40d2268559e945a4eef04c52dcda9296810f1682ebbb0f26df8b2f56

SHA512
ac94f097cf099fe1f185550527afdfd6bc4ceb4f7b798b60884954732859b8ecdfa525ac864fa56e7a4625ca6ad7770624bae8f035e680552cd48d4e267ad652

Download Submit
/data/data/com.hasdirect1/kl.txt

Filesize
63B

MD5
27ed7f502b7703bf9e8312118f4f498a

SHA1
23fa8696a34243aebb71297d0e96753d755f1fe5

SHA256
43ee55be9f2d860ffd9dc157f756a4eb390e5816cfddad19f662e35a9d7ae8d6

SHA512
bd0c744e63b506cc63a8d4bb425a41a3faaa0cdf343156aed8e0169083713a0c0d038509614b62f4d2eaa40ebf92dd18284fbf00cb516094f4888cf7e6b17c17

Download Submit
/data/data/com.hasdirect1/kl.txt

Filesize
423B

MD5
0cf65eb242e11707b4614ee2235343f0

SHA1
aac103090017d34ad0a56467c38b8b4546f37160

SHA256
f76382cb66f50db5a8aa58f8fc5eec97ba2de5a5808782376534e066c25f6d87

SHA512
9d40f25dd92e2fa86447df90c9508ea1ffbb219a010d16a3aa1189427e04066d0c3fb625b6513beb74909c26446121d31cd26c55dc906985df4c36645f03393a

Download Submit
/data/user/0/com.hasdirect1/app_DynamicOptDex/xaPjM.json

Filesize
5KB

MD5
fda3d701259aa76037de68c4b93cf39a

SHA1
75dfa4828ab808f34e7d8cbc09996078b9d46d9b

SHA256
6827aca8eab473ed19bc7f965d4db6d7ca0a3fff16ef5a4b78686f68d87bb213

SHA512
3bc77ff2d816d7fbb42b421b3925f5eec25c75c4381aa060f3d958e936fc97f3567346019d6ac68c7c4fd39cc7e598104bca6bda26e9631b1eaace2c97019660

Download Submit
/data/user/0/com.hasdirect1/app_DynamicOptDex/xaPjM.json

Filesize
5KB

MD5
2f5c4cb33f02a2a5672d5bb9f7098b22

SHA1
2d579155678816e6090ada0ceab1f0bc23b5d817

SHA256
4defa7003ad85e22d8db613da6b23c1b80a32c7eee7588646649d10f81041087

SHA512
679389e3ce96defc31d8c824dc0a650f4135dd2844dbb73fcef8cf58ee27506ebb0ea046c9f2dd24ed9c3ec8a3077d9c064831d5267e810aee109241e5e49f5a

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads