cerberus | d297be4d7ba3bb6edfd556802b39d6e08014bf9a851860e06b431c88fd422546

General

Target

d297be4d7ba3bb6edfd556802b39d6e08014bf9a851860e06b431c88fd422546.apk
Size

1.1MB
MD5

e87196e3bb8d7e981ca0cc9f07e8edfe
SHA1

2c6ecf51ab5152e104ba09241d0966322b91356e
SHA256

d297be4d7ba3bb6edfd556802b39d6e08014bf9a851860e06b431c88fd422546
SHA512

4c2f4e6fe25bdb1b5edd4e6651892be85d1d952ed168c78455f95f544c7920bf74a92fe4a4354ebc1bf3789034d5237758a482e2b000d5bd456d4d936e0ecc22
SSDEEP

24576:CMaMX2NVv68P4zLJ1N735F5QBmcbntUHjyn0+IvNa8XNX7EWOKvxMwo:BZGNt6YcJbdDQh6HWn0+IoKNOSxlo

Score

10^/10

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

Malware Config

Extracted

Family

cerberus

C2

http://sappzaebiservak.ru

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
4261	com.van.usual
4261	com.van.usual

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.van.usual/app_DynamicOptDex/HBxK.json	4287	/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.van.usual/app_DynamicOptDex/HBxK.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.van.usual/app_DynamicOptDex/oat/x86/HBxK.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.van.usual/app_DynamicOptDex/HBxK.json	4261	com.van.usual

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.van.usual
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.van.usual
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.van.usual

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.van.usual
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.van.usual
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.van.usual
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.van.usual

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.van.usual

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.van.usual

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.van.usual

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.van.usual

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.van.usual

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.van.usual

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.van.usual

com.van.usual
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:4261
- /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.van.usual/app_DynamicOptDex/HBxK.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.van.usual/app_DynamicOptDex/oat/x86/HBxK.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4287

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

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.van.usual/app_DynamicOptDex/HBxK.json

Filesize
64KB

MD5
a4bf542bdeb7f61c608a1f5f04cbdb70

SHA1
6b172cad5e4da690476975509e5e9562d8c1e84b

SHA256
942b0d9bc4bb570e8fc82d08716b783aac2acefb19fc1743a5b1eafbed77fcee

SHA512
98f4267c734ea1f15b6b7e229bb0d7e620398e5764be21c03eaea8d20c8e6142e468599fdd97e4fbf72155badcc2fb0a6dd6551405711038e44e7c147bf59b23

Download Submit
/data/data/com.van.usual/app_DynamicOptDex/HBxK.json

Filesize
64KB

MD5
411f0964bff27e899d6401eeb8a6ce30

SHA1
99d437ea0a5b78d4712b40f82a0c8646549bded6

SHA256
2affe5940ad9e1e17bf32560d75ed71f224ba15f60b9204bf66c2bca25a8afb1

SHA512
16b2d8a1fdc84824e803da9a33753f78f84fd44975bf8fd89ee7f89699e697c2ad4b955ea72d8e646680e6e980caf7ff8900adb41ca955a613d4031dfccdd3f8

Download Submit
/data/data/com.van.usual/app_DynamicOptDex/oat/HBxK.json.cur.prof

Filesize
248B

MD5
064a6b53c0fc14b3e09e6de9bd3c527e

SHA1
9b8a1a14b5ee151c35f92f14af84854d3edc9d67

SHA256
2ff43114d7b7fa36194f7ee08bc3eebbd02ffcff5bf51bf039de0a4f886ded27

SHA512
3fdf20f8d47d8f0ad77092aa9432e19ea11efc67fa9d53e49bd578cecb2e7560b4c108d4d64d0f97a7556a9942d7e83d3be388c78498452120aab0e046bf7277

Download Submit
/data/user/0/com.van.usual/app_DynamicOptDex/HBxK.json

Filesize
118KB

MD5
2aebcc1ef9c346eaf531c435cad95daf

SHA1
53735f314108e7e40e7ac8c66db993ad24354efa

SHA256
f37c541ec5463bd936a031064cfbbca4200fa628243d9036796cfa2f658d224f

SHA512
180ca8003956cd7b4a12fe5202f52deaebca9e27b18e192ba055853299198f5192bd58e16bdbbefbe8ee826ba7b70225c7d1b4b764fae0a7e48ee49ca8a38459

Download Submit
/data/user/0/com.van.usual/app_DynamicOptDex/HBxK.json

Filesize
118KB

MD5
08f818e7b9a7b3d91d0c64db2adfe623

SHA1
1e17fc5a6bd7d29307dd04df8bbc4edeb9680e1e

SHA256
252acf5a3ea28210b475900263cc192c3422984522b5e7e50e7ac18bd2e579e9

SHA512
6177922b522f05f44ad45c82d9719bf718e9bf44fcd8354f01339feb0ccf657d5ffcc4060cd37544f116ad55e28c3a64b31f31ab5b2613a935229d595fbcfa36

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads