Malware Analysis Report

2025-01-19 05:18

Sample ID 211023-ke728acca3
Target Android-Update.apk
SHA256 25bf855a1211003061517243f9b648072410208663d3084c73458a11d57fa1a0
Tags
cerberus banker evasion infostealer rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

25bf855a1211003061517243f9b648072410208663d3084c73458a11d57fa1a0

Threat Level: Known bad

The file Android-Update.apk was found to be: Known bad.

Malicious Activity Summary

cerberus banker evasion infostealer rat trojan

Cerberus

Makes use of the framework's Accessibility service.

Requests dangerous framework permissions

Loads dropped Dex/Jar

Reads information about phone network operator.

Listens for changes in the sensor environment (might be used to detect emulation).

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-10-23 08:31

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-10-23 08:31

Reported

2021-10-23 08:33

Platform

android-x86-arm

Max time kernel

2890435s

Max time network

82s

Command Line

com.next.drastic

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Makes use of the framework's Accessibility service.

Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json N/A N/A
N/A /data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json N/A N/A
N/A /data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json N/A N/A

Reads information about phone network operator.

Listens for changes in the sensor environment (might be used to detect emulation).

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener N/A N/A

Processes

com.next.drastic

com.next.drastic

/system/bin/dex2oat

Network

Country Destination Domain Proto
US 185.182.9.77:80 185.182.9.77 tcp

Files

/data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json

MD5 3dabbeca4b1f5ffa5b3c5b1bc9c9b690
SHA1 7e5034067a9be25311df2bef7d7801ae8863da28
SHA256 d61d410670cf556d816a57a5d511cae6231ba8c0a966d0659f6034609edb0356
SHA512 7c2ddf64a6b4ed79a9d91ac7e3a3546cad5ca7be2b7f667dfd43c904dd400082dd95857a3f76128f1ff04107455138ded1a183b459d860d3e1a67b4e0df04626

/data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json

MD5 3dabbeca4b1f5ffa5b3c5b1bc9c9b690
SHA1 7e5034067a9be25311df2bef7d7801ae8863da28
SHA256 d61d410670cf556d816a57a5d511cae6231ba8c0a966d0659f6034609edb0356
SHA512 7c2ddf64a6b4ed79a9d91ac7e3a3546cad5ca7be2b7f667dfd43c904dd400082dd95857a3f76128f1ff04107455138ded1a183b459d860d3e1a67b4e0df04626

/data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json

MD5 caab069e9d711d9ee595d532737cad3d
SHA1 17e38697998179ca2a44c78ea20ba7dc2e376479
SHA256 7776bc28f2502b65343d9fe2bff9d2fae9259eac8741fb81956c3f64a151ee29
SHA512 19eef3848196bc0cba5a9b4c267e68240d9412aa8f852afa987da50b23b14e6db46ef19c95d4317f6d8185fa5f80f1f106bc7cfbe22f530a6ed5cae0e5b80ee6

Analysis: behavioral2

Detonation Overview

Submitted

2021-10-23 08:31

Reported

2021-10-23 08:32

Platform

android-x64-arm64

Max time network

43s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
US 1.1.1.1:853 tcp
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2021-10-23 08:31

Reported

2021-10-23 08:33

Platform

android-x64

Max time kernel

2890412s

Max time network

70s

Command Line

com.next.drastic

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json N/A N/A
N/A /data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json N/A N/A
N/A /data/data/com.next.drastic/app_apk/system.apk N/A N/A

Reads information about phone network operator.

Listens for changes in the sensor environment (might be used to detect emulation).

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener N/A N/A

Processes

com.next.drastic

Network

Country Destination Domain Proto
US 1.1.1.1:853 tcp
US 216.239.35.8:123 time.android.com udp
US 185.182.9.77:80 185.182.9.77 tcp

Files

/data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json

MD5 3dabbeca4b1f5ffa5b3c5b1bc9c9b690
SHA1 7e5034067a9be25311df2bef7d7801ae8863da28
SHA256 d61d410670cf556d816a57a5d511cae6231ba8c0a966d0659f6034609edb0356
SHA512 7c2ddf64a6b4ed79a9d91ac7e3a3546cad5ca7be2b7f667dfd43c904dd400082dd95857a3f76128f1ff04107455138ded1a183b459d860d3e1a67b4e0df04626

/data/user/0/com.next.drastic/app_DynamicOptDex/GUq.json

MD5 3dabbeca4b1f5ffa5b3c5b1bc9c9b690
SHA1 7e5034067a9be25311df2bef7d7801ae8863da28
SHA256 d61d410670cf556d816a57a5d511cae6231ba8c0a966d0659f6034609edb0356
SHA512 7c2ddf64a6b4ed79a9d91ac7e3a3546cad5ca7be2b7f667dfd43c904dd400082dd95857a3f76128f1ff04107455138ded1a183b459d860d3e1a67b4e0df04626

/data/data/com.next.drastic/app_apk/system.apk

MD5 69b3ca57adef18f47b71ce651769abf4
SHA1 7204f2b55b577cadc557a4074c29831e313662d6
SHA256 26533562f7e9db5feafc571f9cea03cc80fcd2917ebb0744de30fb8dec12141b
SHA512 22713beed0583876a801eeef1e13a5677025567866e898fedb8201befdab3a4d88de759a410bcb00f7ba8261a10cce977328d536436989b051df6495998a31f1