cerberus | 26e29dab79d132b3141a216d2729d71d652bfc756aec1ed02061363438fa9756

General

Target

26e29dab79d132b3141a216d2729d71d652bfc756aec1ed02061363438fa9756.apk
Size

1.6MB
MD5

746b0f235ed2447818733c3cc28abe3d
SHA1

abe019e5cd567fb6e060d67b9877fdd1621b3908
SHA256

26e29dab79d132b3141a216d2729d71d652bfc756aec1ed02061363438fa9756
SHA512

8865e1b8540c0249a2ccddf06e5c2206bf85bc64ca6771315e49ca187aa79ee24cc9fff49bea10900ae83046343b005c74ad3a73edd11ceb63221bd7e0b6ecfc
SSDEEP

49152:ijXZPg/xOyTshl0rPyfJ3hdfutMbCilbLXTZv:ijZI/xZTshlePyfJ3hcgFrVv

Score

10^/10

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

Malware Config

Extracted

Family

cerberus

C2

http://188.120.228.245/

Signatures

Cerberus
An Android banker that is being rented to actors beginning in 2019.
banker trojan infostealer evasion rat cerberus
Cerberus family
cerberus

Removes its main activity from the application launcher 1 TTPs 2 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4316	com.cradle.sail
4316	com.cradle.sail

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.cradle.sail/app_DynamicOptDex/fLjEhpb.json	4342	/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.cradle.sail/app_DynamicOptDex/fLjEhpb.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.cradle.sail/app_DynamicOptDex/oat/x86/fLjEhpb.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.cradle.sail/app_DynamicOptDex/fLjEhpb.json	4316	com.cradle.sail

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.findAccessibilityNodeInfosByViewId	com.cradle.sail
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.cradle.sail
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.cradle.sail

Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.cradle.sail
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.cradle.sail
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.cradle.sail
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.cradle.sail

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.cradle.sail

Requests changing the default SMS application. 2 TTPs 1 IoCs

collection impact

SMS Messages

T1636.004

SMS Control

T1582

description	ioc	Process
Intent action	android.provider.Telephony.ACTION_CHANGE_DEFAULT	com.cradle.sail

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.cradle.sail

Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Framework API call	android.hardware.SensorManager.registerListener	com.cradle.sail

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.cradle.sail

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.cradle.sail

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.cradle.sail

com.cradle.sail
1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests changing the default SMS application.
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Listens for changes in the sensor environment (might be used to detect emulation)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks CPU information
- Checks memory information
PID:4316
- /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.cradle.sail/app_DynamicOptDex/fLjEhpb.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.cradle.sail/app_DynamicOptDex/oat/x86/fLjEhpb.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4342

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1624

Broadcast Receivers

1

T1624.001

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1

T1407

Hide Artifacts

3

T1628

Suppress Application Icon

1

T1628.001

User Evasion

2

T1628.002

Impair Defenses

1

T1629

Prevent Application Removal

Input Injection

Virtualization/Sandbox Evasion

2

T1633

System Checks

2

T1633.001

Credential Access

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Discovery

System Information Discovery

2

T1426

System Network Configuration Discovery

2

T1422

Lateral Movement

Collection

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Protected User Data

1

T1636

SMS Messages

Screen Capture

Command and Control

Exfiltration

Impact

Input Injection

SMS Control

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Downloads

/data/data/com.cradle.sail/app_DynamicOptDex/fLjEhpb.json

Filesize
64KB

MD5
e668731754d3d17eea630d940cf0866f

SHA1
a8d8678e8ae70cecaf5060f580291a5ce7b88281

SHA256
10ec8b8710a8f57763f8c823aa2e0b33b742c4a117b5e4ee02a1e8f8403d6de1

SHA512
a13520858c7dcec951080cff2d3804247321902effc9412692c67e765e5c1434d96d40473e52c2bcf97a0b1f52812be874d32cd4b773920153057040cb8fe5a8

Download Submit
/data/data/com.cradle.sail/app_DynamicOptDex/fLjEhpb.json

Filesize
64KB

MD5
4a94880cab5acc5712f81e364dbdb26c

SHA1
954a10a3b95eadd1016b9678a92636cbd1fc0d08

SHA256
78423b2334697692f9037db581b6cfee907b1ab9dc611c16d7145ece2a17733f

SHA512
fda660e6e296f00586ea9332209efd09988d4d3f4bab90af9e60b7d61898db24f79b1e9ca31dbd53a4ac4933cfeef2d45fd804e00b1c681878e4e3083a76a90b

Download Submit
/data/data/com.cradle.sail/app_DynamicOptDex/oat/fLjEhpb.json.cur.prof

Filesize
243B

MD5
963121dc8bf3417b8fa9aca543210fde

SHA1
8b9ad865a7584b15ea8b5de3d7e023c8ef618a79

SHA256
7a4576f5cdd48c06f16c578ce769e7f37fea2eb1bb933e413edb25f91a1b25fa

SHA512
18557fb33adf523a05d8ff0fbc936a2619aec57ee2ad7f224942fe986786789327751681f255cf29418a4beefcd4467a66ace29d57d107621ef5f78ffb817527

Download Submit
/data/user/0/com.cradle.sail/app_DynamicOptDex/fLjEhpb.json

Filesize
118KB

MD5
c5ce525295a731f5603be67c2c145d83

SHA1
404b753930aab8dbda9bdb3f223a35b35e3af484

SHA256
631718d8722a79d404acea74667da0f3b6c7a06836287fb6bd4ba41d2ac92afb

SHA512
d182b102c4e0e8237895af3e49bdc113bba0531b8d6ea4f28cfed0e74ca2dcdbf73d1c649868770932cb1a1f6c4d544ae879f08ce9ddd12a38e3eecfc4196b9d

Download Submit
/data/user/0/com.cradle.sail/app_DynamicOptDex/fLjEhpb.json

Filesize
118KB

MD5
26fa0f83291d4580e90abd9afbe8801f

SHA1
909d65523a0ec26f954c90ad99ad32317283b7be

SHA256
08a2c2ddeea69bad4702f1ba127c8846ff989cb51b5fc21ee0e71b7df826f64a

SHA512
1e0bd965bac4933b5fc85982a4533e8e8ce595469aaef6639d5d63d25bf2e65d367a24023d724f625be2fdc3e9d49107b01ca8fe57791572f24fc3237412164d

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads