Malware Analysis Report

2025-01-19 07:01

Sample ID 240522-wm852abb7v
Target 68219950da4733e2b4275b81538f193d_JaffaCakes118
SHA256 e72806a1842aa2bf7fefdf85ef98424bca3abc462761111b902d408e347ddf1e
Tags
discovery evasion persistence collection credential_access impact
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

e72806a1842aa2bf7fefdf85ef98424bca3abc462761111b902d408e347ddf1e

Threat Level: Likely malicious

The file 68219950da4733e2b4275b81538f193d_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion persistence collection credential_access impact

Checks if the Android device is rooted.

Queries information about the current Wi-Fi connection

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Obtains sensitive information copied to the device clipboard

Checks memory information

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

Checks CPU information

Reads information about phone network operator.

Requests dangerous framework permissions

Checks if the internet connection is available

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

Declares services with permission to bind to the system

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 18:03

Signatures

Declares services with permission to bind to the system

Description Indicator Process Target
Required by input method services to bind with the system. Allows apps to provide custom input methods (keyboards). android.permission.BIND_INPUT_METHOD 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 application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS 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
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 18:03

Reported

2024-05-22 18:06

Platform

android-x86-arm-20240514-en

Max time kernel

179s

Max time network

131s

Command Line

com.ttfw.aimei

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /sbin/su N/A N/A
N/A /system/bin/su N/A N/A
N/A /system/xbin/su N/A N/A
N/A /sbin/su N/A N/A
N/A /system/xbin/su 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

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground 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

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

Checks if the internet connection is available

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

Reads information about phone network operator.

discovery

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.ttfw.aimei

su

/system/bin/sh

ls -l /sbin/su

ls -l /system/xbin/su

su

Network

Country Destination Domain Proto
GB 216.58.213.3:443 tcp
GB 142.250.200.14:443 tcp
GB 142.250.200.10:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 m.redirect.anjian.com udp
US 1.1.1.1:53 mobileanjian.aliapp.com udp
US 1.1.1.1:53 oc.umeng.com udp
CN 59.82.23.79:80 oc.umeng.com tcp
US 1.1.1.1:53 alog.umeng.com udp
CN 121.199.250.10:80 mobileanjian.aliapp.com tcp
CN 121.199.250.10:80 mobileanjian.aliapp.com tcp
CN 121.199.250.10:80 mobileanjian.aliapp.com tcp
CN 223.109.148.177:80 alog.umeng.com tcp
US 1.1.1.1:53 oc.umeng.co udp
CN 223.109.148.130:80 alog.umeng.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
CN 223.109.148.178:80 alog.umeng.com tcp
CN 223.109.148.141:80 alog.umeng.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
CN 223.109.148.176:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/data/data/com.ttfw.aimei/files/script.lc

MD5 e15343de40f554c15a523687a77de5b4
SHA1 5eb3452d301017d81374e3165018954501668ad2
SHA256 d9634980694651eecd793a61abe5d7806f7a9f556b3339e7574fafa00ed3373e
SHA512 de81c719eb1fe8e81284069348653393ec45b3df69ca31abdf0f8c77042d90289e408981523af9eb7333f34dd40b671917a5d57289f863ed783c5da219dfed89

/data/data/com.ttfw.aimei/files/script.atc

MD5 801efdfc104b170f023e0303293f2c11
SHA1 8d42f0c50156bbe4dbee0c1482be6e5d7102735d
SHA256 5a1d43df4d722a9f316eb84cc55286b8d8b6a3c35edc8a2575789c2fea549460
SHA512 386764c1e2bda1f686988db4791f1dfe6fa305a5776f1de0e05e53439fa79f02d4ef8b92c4728fac4bae5ea37187251fd89b22383cbda59c96759753fdc35e2b

/data/data/com.ttfw.aimei/files/script.ui

MD5 8f0d25231411585b4f45dddae8f8ed68
SHA1 a932dca0f03f782863243e3a9da5ac1c42ccc859
SHA256 0c5abb3653bffccede96f8a14dfa3c6966d0db2bbe96708abc0c580a5c943ed2
SHA512 70336cd3176fa30d02e9f9b020b1aff9d581f2ef8ff0ad9fff05b19f18002b40e5ac29201310e70b5b2fd98b7d2f7c1a0f9c090b8d77803729ae0e420e659d9b

/storage/emulated/0/Android/data/com.ttfw.aimei/cache/uil-images/journal.tmp

MD5 8c92de9ce46d41a22f3b20f77404cc1d
SHA1 8671a6dca00edb72be47363a7071be65cf270373
SHA256 68bb33ddeed9200be85a71f70b377985f9ee68e91578afbde8321463396f1274
SHA512 30f45fe9954215d6adafcc8f0a060a7ff41963a64f9b849a37f0d18fe045038d429ec13bf15226769c4ba78dad3c52f3d9e0dbbb4fcdea4828a1efe956e48f56

/data/data/com.ttfw.aimei/files/eventservice.jar

MD5 0596a9ef16c617e44e699bdf5cd85905
SHA1 c32911f89a6207b80898408463e46c3e7d6e6c02
SHA256 35626d776baa83a6d4624aeaccd13d6ed16ce48e48d3ef6c877f93d07584708e
SHA512 a5b7703ac0bc9f44cbb76261298da2b6644cd5c22a3272574d662fc6adc061f7c142dc8c8d3bfdce9b2825b17c8e6054f8788be940b965e7890015179ddb15ae

/data/data/com.ttfw.aimei/files/UIConfig.config

MD5 5b4cad22ef0e9adade2695c6d5a55f8f
SHA1 fd58195afbed302751b3798047d53407366fe33a
SHA256 53bece7fa2ca989e110900fd76e64414e53fcf99066471aa3bb86109092d2440
SHA512 6976d3adfa578df50f339aec7444bd916f36d16b8699feade70ab40514b504a7e5a7ef3e776bd2ce7a49fd346fee61ed97ad84c0b376ebb0681a1b020121e253

/data/data/com.ttfw.aimei/files/mobclick_agent_cached_com.ttfw.aimei

MD5 ae0ca7b5176de10d72d8ec3d5cb61821
SHA1 2fd6c37e052e63d6c3ba7201d7f8236534da7447
SHA256 306d9db83c73a3c68bb1ad6cc6f14f946af3b5b15330d552c3eca0305882219f
SHA512 d734dc5bec48534b0daaf07e6a789b7901e4e9138f3dd2e247ef3eff49d19dad1bf6b493c898eb8e3bd672b3c83af9db2edd7335620ab91c28124e0a7883b3bc

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 18:03

Reported

2024-05-22 18:06

Platform

android-x64-20240514-en

Max time kernel

64s

Max time network

152s

Command Line

com.ttfw.aimei

Signatures

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

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 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

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

Checks if the internet connection is available

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

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

discovery

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.ttfw.aimei

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 m.redirect.anjian.com udp
US 1.1.1.1:53 mobileanjian.aliapp.com udp
US 1.1.1.1:53 oc.umeng.com udp
CN 59.82.23.79:80 oc.umeng.com tcp
CN 121.199.250.10:80 mobileanjian.aliapp.com tcp
CN 121.199.250.10:80 mobileanjian.aliapp.com tcp
CN 121.199.250.10:80 mobileanjian.aliapp.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.169.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.176:80 alog.umeng.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 oc.umeng.co udp
CN 223.109.148.141:80 alog.umeng.com tcp
GB 216.58.212.226:443 tcp
GB 172.217.16.238:443 android.apis.google.com tcp
CN 223.109.148.130:80 alog.umeng.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
CN 223.109.148.177:80 alog.umeng.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/data/data/com.ttfw.aimei/files/script.lc

MD5 e15343de40f554c15a523687a77de5b4
SHA1 5eb3452d301017d81374e3165018954501668ad2
SHA256 d9634980694651eecd793a61abe5d7806f7a9f556b3339e7574fafa00ed3373e
SHA512 de81c719eb1fe8e81284069348653393ec45b3df69ca31abdf0f8c77042d90289e408981523af9eb7333f34dd40b671917a5d57289f863ed783c5da219dfed89

/data/data/com.ttfw.aimei/files/script.atc

MD5 801efdfc104b170f023e0303293f2c11
SHA1 8d42f0c50156bbe4dbee0c1482be6e5d7102735d
SHA256 5a1d43df4d722a9f316eb84cc55286b8d8b6a3c35edc8a2575789c2fea549460
SHA512 386764c1e2bda1f686988db4791f1dfe6fa305a5776f1de0e05e53439fa79f02d4ef8b92c4728fac4bae5ea37187251fd89b22383cbda59c96759753fdc35e2b

/data/data/com.ttfw.aimei/files/script.ui

MD5 8f0d25231411585b4f45dddae8f8ed68
SHA1 a932dca0f03f782863243e3a9da5ac1c42ccc859
SHA256 0c5abb3653bffccede96f8a14dfa3c6966d0db2bbe96708abc0c580a5c943ed2
SHA512 70336cd3176fa30d02e9f9b020b1aff9d581f2ef8ff0ad9fff05b19f18002b40e5ac29201310e70b5b2fd98b7d2f7c1a0f9c090b8d77803729ae0e420e659d9b

/storage/emulated/0/Android/data/com.ttfw.aimei/cache/uil-images/journal.tmp

MD5 8c92de9ce46d41a22f3b20f77404cc1d
SHA1 8671a6dca00edb72be47363a7071be65cf270373
SHA256 68bb33ddeed9200be85a71f70b377985f9ee68e91578afbde8321463396f1274
SHA512 30f45fe9954215d6adafcc8f0a060a7ff41963a64f9b849a37f0d18fe045038d429ec13bf15226769c4ba78dad3c52f3d9e0dbbb4fcdea4828a1efe956e48f56

/data/data/com.ttfw.aimei/files/eventservice.jar

MD5 0596a9ef16c617e44e699bdf5cd85905
SHA1 c32911f89a6207b80898408463e46c3e7d6e6c02
SHA256 35626d776baa83a6d4624aeaccd13d6ed16ce48e48d3ef6c877f93d07584708e
SHA512 a5b7703ac0bc9f44cbb76261298da2b6644cd5c22a3272574d662fc6adc061f7c142dc8c8d3bfdce9b2825b17c8e6054f8788be940b965e7890015179ddb15ae

/data/data/com.ttfw.aimei/files/mobclick_agent_cached_com.ttfw.aimei

MD5 03665a06c82f4d8266d621c10dfab8bb
SHA1 fc37d1cad486160f5a55d3ea47192b05c0933bf5
SHA256 224415ec06ad239301300006f4ee571e36892b05e846fb8579f36b16baac3acf
SHA512 99bf9a6084e47dfae98721bfb83c2eaa4318a7695e71ca8114f19f288b3e3ace9b9a6aacfca996b4be3d7027a26a6e3c7f4795679a41f993d377658b8f8e5ca9