Malware Analysis Report

2024-09-09 15:58

Sample ID 240614-r7pjxavfkh
Target aa439d574e05ed1296fb1f45a89fd846_JaffaCakes118
SHA256 ef332aac877827fc112dae98b4fd904561a27570b54a05a7200095446a3442e3
Tags
banker discovery impact persistence collection credential_access
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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 Overview

score
7/10

SHA256

ef332aac877827fc112dae98b4fd904561a27570b54a05a7200095446a3442e3

Threat Level: Shows suspicious behavior

The file aa439d574e05ed1296fb1f45a89fd846_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

banker discovery impact persistence collection credential_access

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Obtains sensitive information copied to the device clipboard

Requests dangerous framework permissions

Queries information about active data network

Queries information about the current Wi-Fi connection

Queries the mobile country code (MCC)

Queries the unique device ID (IMEI, MEID, IMSI)

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data)

Registers a broadcast receiver at runtime (usually for listening for system events)

Checks CPU information

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 14:50

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 record audio. android.permission.RECORD_AUDIO N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS 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
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 14:50

Reported

2024-06-14 14:53

Platform

android-x86-arm-20240611.1-en

Max time kernel

48s

Max time network

160s

Command Line

io.dcloud.H59D94B6C

Signatures

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

io.dcloud.H59D94B6C

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 stream.dcloud.net.cn udp
CN 150.158.157.83:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 service.dcloud.net.cn udp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 43.142.22.58:80 stream.dcloud.net.cn tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
US 1.1.1.1:53 back99.artc100.com udp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 43.142.67.81:80 stream.dcloud.net.cn tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 43.142.150.110:80 stream.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 43.142.166.20:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 49.234.42.40:80 stream.dcloud.net.cn tcp
CN 49.234.44.193:80 stream.dcloud.net.cn tcp
CN 115.159.41.92:80 stream.dcloud.net.cn tcp
CN 124.220.154.50:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 stream.mobihtml5.com udp

Files

/storage/emulated/0/.imei.txt

MD5 fe03ca0240e5a707705d71c10e7f9f46
SHA1 f9030d3d733a1cd485626fb6b399e3095e2eb123
SHA256 2ee68249228053191a735f7b10beea14aa4ddeb465a9baf29e7a69700e85e157
SHA512 a289424b462ca39e0deba8c6dfea9e31bf1e04e8d93904e8e9cb1b2ecd395cc124a1703496f2646fd863dee97c9530173cec2807f69c5c758dd4c35efd42fd5d

/data/data/io.dcloud.H59D94B6C/shared_prefs_ext/test_app

MD5 39c27456f2f4093f9d19df890031bb0b
SHA1 c42eefc1a7c128ca92b09e54c1ca423f2c13a3cf
SHA256 07c3e8b4414c37b35ecadb4d76f7ae9eabe367ef387c06213a756b3ab6eb9294
SHA512 4bb9dab37b5be5a9c95c6de02ba7404f8ee74e458eb4b1e4ee523f3bae90cc5fff7047e364fbb3dec9ad7e994eeb71a46cc08c547610c4ff929cfb635d02002a

/data/data/io.dcloud.H59D94B6C/files/cnc3ejE6/eje3cnc

MD5 585839d66722cfd02e40cb740cccb633
SHA1 374c19200fee201b26d0153487a281a934615884
SHA256 86a9bb4985cca6c9636c4fd071bef4b70ba7b3a5eb51af869a1299dc2b1574a8
SHA512 09bbe1bf1455861fd4732f2d1945c84bac34090906ac2fab75d144c22ffcf6bc585c8209e94a2b1919c8402df53966081a1af2993e12261ae4c4ac5568667d88

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 14:50

Reported

2024-06-14 14:53

Platform

android-x64-20240611.1-en

Max time kernel

51s

Max time network

151s

Command Line

io.dcloud.H59D94B6C

Signatures

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

io.dcloud.H59D94B6C

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 stream.dcloud.net.cn udp
CN 43.142.166.20:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 service.dcloud.net.cn udp
GB 142.250.200.10:443 tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 49.234.42.40:80 stream.dcloud.net.cn tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
US 1.1.1.1:53 back99.artc100.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 49.234.44.193:80 stream.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 115.159.41.92:80 stream.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 124.220.154.50:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 150.158.157.83:80 stream.dcloud.net.cn tcp
GB 142.250.200.46:443 android.apis.google.com tcp
CN 43.142.22.58:80 stream.dcloud.net.cn tcp
GB 216.58.212.238:443 tcp
GB 142.250.200.2:443 tcp
CN 43.142.67.81:80 stream.dcloud.net.cn tcp
CN 43.142.150.110:80 stream.dcloud.net.cn tcp
GB 172.217.169.68:443 tcp
GB 172.217.169.68:443 tcp
US 1.1.1.1:53 stream.mobihtml5.com udp

Files

/storage/emulated/0/.imei.txt

MD5 68dd1a6ba371c7affde0703c9fe17153
SHA1 46e5a826efeb95e41f19e6d141d208b0d0e34de6
SHA256 67bb0e14b69677c426f7a1ea0569eac3d57e86c722f21a50861835d685894a23
SHA512 47b84a5232e757e2e35d527a3e391f14ec9f0692963deba48988b9dab57f8d9cb12ac704f13f147be8aa59be00f34c6816b1d3e7a4be7a5c201649b61c35a271

/data/data/io.dcloud.H59D94B6C/shared_prefs_ext/test_app

MD5 39c27456f2f4093f9d19df890031bb0b
SHA1 c42eefc1a7c128ca92b09e54c1ca423f2c13a3cf
SHA256 07c3e8b4414c37b35ecadb4d76f7ae9eabe367ef387c06213a756b3ab6eb9294
SHA512 4bb9dab37b5be5a9c95c6de02ba7404f8ee74e458eb4b1e4ee523f3bae90cc5fff7047e364fbb3dec9ad7e994eeb71a46cc08c547610c4ff929cfb635d02002a

/data/data/io.dcloud.H59D94B6C/files/cnc3ejE6/eje3cnc

MD5 585839d66722cfd02e40cb740cccb633
SHA1 374c19200fee201b26d0153487a281a934615884
SHA256 86a9bb4985cca6c9636c4fd071bef4b70ba7b3a5eb51af869a1299dc2b1574a8
SHA512 09bbe1bf1455861fd4732f2d1945c84bac34090906ac2fab75d144c22ffcf6bc585c8209e94a2b1919c8402df53966081a1af2993e12261ae4c4ac5568667d88