cerberus | 5b78294af5610e0648f99d2eaeff7b01f50995164fc42770c8f31c46e1cf5e70

General

Target

5b78294af5610e0648f99d2eaeff7b01f50995164fc42770c8f31c46e1cf5e70.apk
Size

1.5MB
MD5

982274483091aba602bebc749725dc4a
SHA1

e47f5c0e435a8d5869c7e479a12f71447ca9a37e
SHA256

5b78294af5610e0648f99d2eaeff7b01f50995164fc42770c8f31c46e1cf5e70
SHA512

2766693c1b31f4c28d0ce8d967f366e956f0564e78019a2546066b7b8d0c15fdf07873391034003127a2e86c4e013f2b8d13166284be92665214118e8603d359
SSDEEP

24576:Unqy7Vn+zDEZJ8P66UBBNDvCk/wGYDfO0emGU4M/M4ozCqx3oDXSpLB4y3DASGCw:Uqy7VoEZSP6vFBwHDfOAG0EvCq1DL3B+

Score

10^/10

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

Malware Config

Extracted

Family

cerberus

C2

http://188.120.225.180/

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
4252	com.giggle.one
4252	com.giggle.one

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.giggle.one/app_DynamicOptDex/OaYw.json	4278	/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.giggle.one/app_DynamicOptDex/OaYw.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.giggle.one/app_DynamicOptDex/oat/x86/OaYw.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.giggle.one/app_DynamicOptDex/OaYw.json	4252	com.giggle.one

Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.findAccessibilityNodeInfosByText	com.giggle.one
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.giggle.one
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.giggle.one

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.giggle.one
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.giggle.one
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.giggle.one
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.giggle.one

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.giggle.one

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.giggle.one

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.giggle.one

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

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Framework API call	android.hardware.SensorManager.registerListener	com.giggle.one

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.giggle.one

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.giggle.one

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.giggle.one

com.giggle.one
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:4252
- /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.giggle.one/app_DynamicOptDex/OaYw.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.giggle.one/app_DynamicOptDex/oat/x86/OaYw.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4278

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.giggle.one/app_DynamicOptDex/OaYw.json

Filesize
64KB

MD5
fc92684a265cf1dc4a1404972aa4c67a

SHA1
c14b166b71182a2532f45dd974a436955215182e

SHA256
a868ffaea5a809293f274b94f04dd23df27dc77664ae9560ba6a306dd8066808

SHA512
dbc65189c28f8470adadac273d8d76e873f5be33b8e8866bee2818815ebb45e6466e3d76fa34c7cf3ce39df3c0811f28abafc995b4dc32dff44124d9f50dc69d

Download Submit
/data/data/com.giggle.one/app_DynamicOptDex/OaYw.json

Filesize
64KB

MD5
053e6c09a3cd3e4f6615fdddbc5a7bb0

SHA1
1e33c204beab616332058edd3245fa183e3981d6

SHA256
b6f9039a70d51fe84272575306e32a09dbeda63dc64fd696d546b0b55fcfbb90

SHA512
de43b5025b1e52cf27f86236ea55869740ee1da7b23a5ca8646ce5e25ec1f321803318256f82c54c364bb0a829e667c919bbd3191256dfe97456a80b8f28913e

Download Submit
/data/data/com.giggle.one/app_DynamicOptDex/oat/OaYw.json.cur.prof

Filesize
244B

MD5
d96c08e8825d7c4a42993a3152472e9c

SHA1
90da23554ca8d3c109d7bbfbc5ee0c06a5f51400

SHA256
e1859f32bb63305dd0dc02336cef22ea292520f59629e2108bcef3f77ee32582

SHA512
f9327ccb72645c2d9c2fead82f3aeebb5880d2001f69077fb4b398f661993f1ac9a887e8d127419e651a780e7d9acc1b543f421b0aaf3710c42729f490def543

Download Submit
/data/user/0/com.giggle.one/app_DynamicOptDex/OaYw.json

Filesize
118KB

MD5
99700ea31627a7e6a880e347ffcc7380

SHA1
8497699a5570b57e790bdaa94a520c2e08bcc7a7

SHA256
13718a6ee715c7df272860b16507e429c31a1d57f28049d6f30cfce00856b29b

SHA512
f935ed9c81e362fc2e2c54853fd573aa2cba89456d125995b3c10e45f0c027319c0b2734649bbb5f522cf757a87babbb77c5c43f5e02b4aed7fdcfbb5e0e1892

Download Submit
/data/user/0/com.giggle.one/app_DynamicOptDex/OaYw.json

Filesize
118KB

MD5
db06c1ec59829a13509af9b81aa47881

SHA1
1fc471dd01410676aac988badab9e636b9948f2b

SHA256
81ed5dbd3f672f61f1b04d96b413cc4a0406572427dc88356f6be5ba15f65cdc

SHA512
45dec5a2124e30a63f672fd047a66b6d47537cebc964ec5f6939fe1c9636ff569151a0f03ae43b8b3f427bb3331ce309c4effa160249b852a538817e69fb6132

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads