Malware Analysis Report

2025-01-19 06:57

Sample ID 240522-dnxvaaae4w
Target 65cec659efd5ec055868aea18c2629df_JaffaCakes118
SHA256 8fbef0066adc2a9b5d934133499fe4d3edcbb24a9ee729bf787b7d17633e992c
Tags
discovery evasion impact persistence collection credential_access
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

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
8/10

SHA256

8fbef0066adc2a9b5d934133499fe4d3edcbb24a9ee729bf787b7d17633e992c

Threat Level: Likely malicious

The file 65cec659efd5ec055868aea18c2629df_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence collection credential_access

Checks if the Android device is rooted.

Checks CPU information

Checks memory information

Queries information about running processes on the device

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

Loads dropped Dex/Jar

Queries the mobile country code (MCC)

Obtains sensitive information copied to the device clipboard

Requests dangerous framework permissions

Declares services with permission to bind to the system

Checks if the internet connection is available

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 03:09

Signatures

Declares services with permission to bind to the system

Description Indicator Process Target
Required by wallpaper services to bind with the system. Allows apps to provide live wallpapers. android.permission.BIND_WALLPAPER N/A N/A

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 app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 03:09

Reported

2024-05-22 03:13

Platform

android-x86-arm-20240514-en

Max time kernel

30s

Max time network

139s

Command Line

com.km.beachframesjgzxoooztijl

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/app/Superuser.apk N/A N/A

Checks CPU information

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

Checks memory information

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.km.beachframesjgzxoooztijl/cache/1582435991586.jar N/A N/A
N/A /data/user/0/com.km.beachframesjgzxoooztijl/cache/1582435991586.jar N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses 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

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

Processes

com.km.beachframesjgzxoooztijl

/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.km.beachframesjgzxoooztijl/cache/1582435991586.jar --output-vdex-fd=49 --oat-fd=50 --oat-location=/data/user/0/com.km.beachframesjgzxoooztijl/cache/oat/x86/1582435991586.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cdn.app.kachapt.cn udp
US 1.1.1.1:53 lele.chunzhenniandai.cn udp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 142.250.200.3:443 tcp
GB 172.217.16.226:443 googleads.g.doubleclick.net tcp
GB 172.217.16.226:443 googleads.g.doubleclick.net tcp
GB 172.217.16.226:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 142.250.187.206:443 tcp

Files

/data/data/com.km.beachframesjgzxoooztijl/cache/1582435991586.jar

MD5 e8e0527a01aefdb89afd2c508f131da1
SHA1 f1103e6b260c657ceb3d95f1b023af3fda8b133a
SHA256 f809447486f89fcaa74f87e06d126d103d37eb2b3157e88f2c06d989b2c284ce
SHA512 fb53683a83f1068d0f94567b156e6a8910c45b1b5f33db919f7e0b9c55eab28507a235ef76d44d5b549599ea3b54dbc00496a633339d276a80f395da938d6d34

/data/user/0/com.km.beachframesjgzxoooztijl/cache/1582435991586.jar

MD5 fde2ee00cbd121cfab5290b078aa3ceb
SHA1 e2b77d5320e155e413d040a8c20020962065b2f8
SHA256 2897b0812077c654a9b3fbb0b6303d5cde681eeba7ad9981de65716c7810d685
SHA512 a9326aff8e454a2b4ac09984ef2a65fddd4dc146b4c44d839035549bff8c9fdaae490326d0b018f76c1ca2e4fb25426d74f550ca0950982fba632a023af99a56

/data/user/0/com.km.beachframesjgzxoooztijl/cache/1582435991586.jar

MD5 2048eb6124a452540ee51dae4145aadf
SHA1 d05005b2cd7fe4cd652b0d7fd1bdac2c19d51451
SHA256 105c54b6fe3f25350e92187467761598e4c21d62b1091b77d091f65f3bd98864
SHA512 bb6cb3853dd2a5d0701e20607d4e153ae201268dd2e5e2d06cc2df208b3b4dc50132a4ab428251b1644d2399fcc717662438d082ff14203387bab8794109d44d

/data/data/com.km.beachframesjgzxoooztijl/files/gaClientId

MD5 45a871c79586b43da8d235e3093c5a9c
SHA1 0527575d64ffe34c65ac0fb1362d20df4f0b1aae
SHA256 d9c1d7d2a292f0a2fdfdc6635a49e857fb845dc94e8c4499b482a5dc0b503e22
SHA512 adcd31de84eff7d4cea150ad0d9c974c808c301463ffffee505833549ab8b5886b895ef1716ae59fb3468a306ef05967776c5526699c028149727d16b02a6848

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 03:09

Reported

2024-05-22 03:13

Platform

android-33-x64-arm64-20240514-en

Max time kernel

56s

Max time network

173s

Command Line

com.km.beachframesjgzxoooztijl

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/app/Superuser.apk N/A N/A

Checks CPU information

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

Checks memory information

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /system_ext/framework/androidx.window.extensions.jar N/A N/A
N/A /system_ext/framework/androidx.window.extensions.jar N/A N/A
N/A /system_ext/framework/androidx.window.sidecar.jar N/A N/A
N/A /system_ext/framework/androidx.window.sidecar.jar N/A N/A
N/A /data/user/0/com.km.beachframesjgzxoooztijl/cache/1664557424545.jar N/A N/A

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 information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Checks if the internet connection is available

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

Processes

com.km.beachframesjgzxoooztijl

Network

Country Destination Domain Proto
GB 172.217.16.234:443 tcp
GB 142.250.179.228:443 udp
GB 142.250.179.228:443 udp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cdn.app.kachapt.cn udp
GB 142.250.187.227:443 tcp
US 1.1.1.1:53 lele.chunzhenniandai.cn udp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
GB 172.217.16.234:443 remoteprovisioning.googleapis.com tcp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
GB 142.250.187.194:443 googleads.g.doubleclick.net udp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
GB 142.250.187.194:443 googleads.g.doubleclick.net udp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
GB 142.250.187.227:443 tcp
US 162.159.61.3:443 udp
GB 142.250.179.228:443 udp
GB 142.250.187.196:443 udp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.227:443 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com udp

Files

/system_ext/framework/androidx.window.extensions.jar

MD5 3056e1bdb7d4e19789d0319eff484bd0
SHA1 6791ae47aa9466fe0bca27ad6643f846853bbee4
SHA256 8e6331a07c9f2ac139214c527dcaff2c82d126bbe7bd3420cdc36d6a8c9204b0
SHA512 c790980fd68d9f89e32743bc28846807d5e5947c555f494de47714dec5cbd0c08d81c3260fa463759d1b17a953af3c44ec30b14fb08bf6b29db3837346c9f658

/system_ext/framework/androidx.window.sidecar.jar

MD5 29469324e59dfcc052f24b5af4e7b2c4
SHA1 10c1e17ac6f598037bb51baa07945663645de4eb
SHA256 9195dc6a1c75a841384050240dfc972e48178964993fba6619788625f4b40d1a
SHA512 5e27c2b1431369a248298f2f749136a575005584f9999f2a4c204a0c47adce2e33c8df9f058bdafa1bde1c99e46d175560cedfcddcd8581718ed1d9973c37cc2

/data/user/0/com.km.beachframesjgzxoooztijl/cache/1664557424545.jar

MD5 dfb68e70e8eb84d844c9ce623ee069c1
SHA1 369e761858a904fe9fb89efcfc9bd3e6e56ee44f
SHA256 8ba015cb192f34326e6a46f765c6712d87c3797661541275c84b9a30ee449eec
SHA512 0d5f8ff91d3cd5c976cadf774b8d5cd6f276793b9eb9f3d8e7168eae122b0bfcffd833be9762de441d4b52f7bb3eb3850479aea37ac327be9b71910c6fdc566a

/data/user/0/com.km.beachframesjgzxoooztijl/cache/1664557424545.jar

MD5 722310b17c81cc3d780d23e1a63eb450
SHA1 0a0c1a939f923570e5da88aa5c7b105052f056e3
SHA256 9f2d7ff525ca785553557c351812252c0beface31440517e2f19929fe76472b1
SHA512 1a48e9383a0befb0c6b4755a8b56f352fba317910308f701e13ce8189c465cade6b0af510165d586745f1913a61cc68f91395949202394336a59c34596691a91

/data/user/0/com.km.beachframesjgzxoooztijl/files/gaClientId

MD5 68ff5569d448166c0ef004e930e9aff3
SHA1 a06400e2ce51f16371facdccf0b37c684c44de60
SHA256 f50906a83552e7ec324f7cf83ce5fe66645153d439066341b81b4f6c473f34de
SHA512 472a5e35306421d17ddb4e308ea398e5b0d419351cb477377992279a051e179aefcff04a72fd09dde774cffd830a63f46b4c6f4a99f24879e6176024177ce121