cerberus | 7c695c6392725a37a2c3de19211e1c3bc03c87715897d044adbe00360e2a62e9

General

Target

7c695c6392725a37a2c3de19211e1c3bc03c87715897d044adbe00360e2a62e9.apk
Size

1.5MB
MD5

a78bf373c2c15968e62ebb3318983d36
SHA1

c5ba84594c2880c42826d56fcad4a01cd4ba958c
SHA256

7c695c6392725a37a2c3de19211e1c3bc03c87715897d044adbe00360e2a62e9
SHA512

7f5aab2a4ae23c1034790aa1d54a2addaa5491a7a7158617ef0fd4377b2a5b050fb72fc833ccdde6bd495c4728457669786b87c78ce10f94bcccd97748d4e2f9
SSDEEP

24576:B8qSi0R8g3097jprmXunEw+6c/E6CH0MGgJZ99Vb0X9LofIbx343siMZMMGp0xAH:LprEunEws/E6CH0MGWZHVbELVR4aWH0E

Score

10^/10

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

Malware Config

Extracted

Family

cerberus

C2

http://62.109.13.217/

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
4256	com.neither.gym
4256	com.neither.gym

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.neither.gym/app_DynamicOptDex/LFYTpH.json	4281	/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.neither.gym/app_DynamicOptDex/LFYTpH.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.neither.gym/app_DynamicOptDex/oat/x86/LFYTpH.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.neither.gym/app_DynamicOptDex/LFYTpH.json	4256	com.neither.gym

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.neither.gym
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.neither.gym
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.neither.gym

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.neither.gym
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.neither.gym
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.neither.gym
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.neither.gym

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.neither.gym

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.neither.gym

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.neither.gym

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.neither.gym

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.neither.gym

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.neither.gym

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.neither.gym

com.neither.gym
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: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.neither.gym/app_DynamicOptDex/LFYTpH.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.neither.gym/app_DynamicOptDex/oat/x86/LFYTpH.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4281

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

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Downloads

/data/data/com.neither.gym/app_DynamicOptDex/LFYTpH.json

Filesize
64KB

MD5
9ee5d95e058633c875c141446592a722

SHA1
bbb0486d9de29f5429a873d2e1627813c228447c

SHA256
d134d7b805f67ed05f1caccdca35aaec06dbe1f424dab48a0e9b896fa37fc621

SHA512
dc1b5ef057be6bcca4bcd43b6bc9fbc321c771e16b4f9ad30b199659a89dddc3245cddda6febd45b579059f57baceb5daa15475defcf0397e3cd812c9093a956

Download Submit
/data/data/com.neither.gym/app_DynamicOptDex/LFYTpH.json

Filesize
64KB

MD5
110202b5ce42b3969c51698b838b9ad7

SHA1
78ad6063fdd4d7be0b581e382911fb86ff814f43

SHA256
3001b05c0b0a4437aaa53f25354cb33baead8318c3adb3f981627247cb02178f

SHA512
65022ef0df30e85422d7a779965bdb5463cad78fe3ca2a0d233ffcdce7c3eb8d82af3cfcb834e76c68b8ff8ee43c6968936cc1e7a36d67bf98310720852b3f7d

Download Submit
/data/data/com.neither.gym/app_DynamicOptDex/oat/LFYTpH.json.cur.prof

Filesize
240B

MD5
6e92aaf5cdd415d2c20898a1962aa46b

SHA1
99eb68f4e0851bb417b52591a1085d1f1da1083b

SHA256
2e055c9211409657af026d8c0bb0f8393915f00fcc164d3f576f68b177ba5ab7

SHA512
d27cd19d857bafd73204823e3dbe99126f77298067c99b9d26f8db7b4a81ad437e3c7c0d2318bce4bd5435b66e656e2126f9eaa5b39ec320e072db661b36900a

Download Submit
/data/user/0/com.neither.gym/app_DynamicOptDex/LFYTpH.json

Filesize
118KB

MD5
08bd88dd5903ca14972c52cc5f893253

SHA1
e45453a3909f393567e5c95a27e175717d0adfef

SHA256
2774d6a67dba2e13e6460430297b68fd5bc2f1b8d000094eeec79bb2c45aed10

SHA512
5fb306c8f79a743f408abc24817c72830e6239eba7341f142959a74db084ad2991bfa6c9e2fbcdf38d260991e2da86cc4a6f12f94c546b4e1d52f3454ac67192

Download Submit
/data/user/0/com.neither.gym/app_DynamicOptDex/LFYTpH.json

Filesize
118KB

MD5
4c547b8533f6d0c8b84a52f8fbc4ad13

SHA1
d8be8c20aca6d7a9348e221ad213555afcddb7e6

SHA256
02d27d45c00f8af66aa0137dea77072fba44d0fe2aa6dd7d09106442df9e805d

SHA512
6e1de7950ef6df1b0fe088d74b225fed8097abc917bf37ef9305fed5261b3908d3907ce37cd8a0dbb72f7d5e3f4dc231892853914b6077d659fee9d8d9a6f151

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads