Malware Analysis Report

2024-09-09 17:38

Sample ID 240614-k3gj6sxerq
Target a8e21510ec74b9a085e17916e9e0e936_JaffaCakes118
SHA256 3811bf58cae441d2e5e3b2877e6158d3453e9e4037f64b52e273836c5d1b801b
Tags
discovery impact persistence
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 Overview

score
7/10

SHA256

3811bf58cae441d2e5e3b2877e6158d3453e9e4037f64b52e273836c5d1b801b

Threat Level: Shows suspicious behavior

The file a8e21510ec74b9a085e17916e9e0e936_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact persistence

Queries the phone number (MSISDN for GSM devices)

Reads information about phone network operator.

Requests dangerous framework permissions

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Queries information about active data network

Queries information about the current Wi-Fi connection

Queries the mobile country code (MCC)

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 09:07

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 09:07

Reported

2024-06-14 09:10

Platform

android-x86-arm-20240611.1-en

Max time kernel

177s

Max time network

137s

Command Line

com.stac.empire.main

Signatures

Queries the phone number (MSISDN for GSM devices)

discovery

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Description Indicator Process Target
N/A alog.umeng.com N/A N/A

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

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

com.stac.empire.main

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ws.tapjoyads.com udp
GB 18.244.155.17:443 ws.tapjoyads.com tcp
GB 18.244.155.17:443 ws.tapjoyads.com tcp
US 1.1.1.1:53 s3.amazonaws.com udp
US 52.217.197.88:443 s3.amazonaws.com tcp
US 52.217.197.88:443 s3.amazonaws.com tcp
US 1.1.1.1:53 data.appflood.com udp
US 52.217.197.88:443 s3.amazonaws.com tcp
US 52.217.197.88:443 s3.amazonaws.com tcp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.141:80 alog.umeng.com tcp
US 1.1.1.1:53 aoead.elexapp.com udp
US 169.62.136.214:80 aoead.elexapp.com tcp
US 1.1.1.1:53 8200.engine.mobileapptracking.com udp
GB 18.244.155.63:443 8200.engine.mobileapptracking.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
CN 223.109.148.177:80 alog.umeng.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
CN 223.109.148.130:80 alog.umeng.com tcp
GB 216.58.212.202:443 tcp
CN 223.109.148.178:80 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

/storage/emulated/0/ppy_cross/7c8818e0b54505648c31ec132d64a3a7

MD5 1bc9f537dfa1d9fbc7399a0dd5807ed7
SHA1 bb5a5b99261958c4175d7e5a142b1ea5c33513c9
SHA256 38e7a6ca3d2ca957d5bbf78c70decb02ceb8b773e1bd561c4fd6f8d563f0a1d2
SHA512 30397e0b1f9256a47b21f6fa302d49280d271b781c84a93deb9d348bc77356ae9c80a6000c4a1c84959d81c670157f7e351b9124edb2f11ca5ef15001fa11baa

/data/data/com.stac.empire.main/UserDefault.xml

MD5 4a8226e4211ccb4cb79f54d4ee35a55a
SHA1 7144e993ff784e4458c4d53d6f9f29930cf13fb8
SHA256 8d5bfd20db452314b315192d7160e28bce53c777c98a31aa6df7c93345a692eb
SHA512 7d7480da93b3363306438c7cc08fb913e29098eb19c4f6ac40ac5282329ecd8eae77fed695822955183a4b7084d18da89c2c937af5fcdf43b3f1bd7854cc7041

/data/data/com.stac.empire.main/UserDefault.xml

MD5 4f51c8f96fcd0d7f9f4948747688806e
SHA1 2c232943b441aa337fe3cfc8425aaa622d890d0d
SHA256 cf0ca8d15f45eff8e18cdd200cd4081adbc628e86a3735688400308666328a7b
SHA512 eb5423a975e7b32e17e17f89be3b2ee62804652151f52441afbad3621bcc282bc320233fc58be5ed1255c08edb2f828a96f0128d0be67598a269bdb776aea786

/data/data/com.stac.empire.main/UserDefault.xml

MD5 756f37133756d853284172761c127b63
SHA1 b0c6ba0c5e3c4a1d7c4d2145f182cc7d332b8f07
SHA256 afd0c6469ef2c46f713530f7bc9948455d2c6229165608bfaf84ff2a32016efe
SHA512 c1557681371c3bdf6a0ac4fa95ab85a592e23727613af0e2d3dc98f4d554a9f1bf845d1a9142d7b36968f0618adaba4d1b601e81616ee49e90f489c255d3cc3c

/data/data/com.stac.empire.main/UserDefault.xml

MD5 f8bc4768569e35ab5a7b6fe869d77327
SHA1 efc884adb37498efbf9eaee31eb4c6bce883432f
SHA256 2cfc0331bc2c493a718310c73f3d600489b1143784a3cb601254554c369ebfb5
SHA512 bb311444893bb20fe21d4d794f6b1c331723c514a635d680566f911af60ee55d0af8ed22d0055ed5ad4e6242cdd91b1f390b742f8504806dc5059469a7f8800e

/data/data/com.stac.empire.main/UserDefault.xml

MD5 25498b3b97a592cf89c332e0b80aef2e
SHA1 4b781b72c9b2fbc684c47a92b889c8417a3c06e1
SHA256 b7ef7d5cc7d228c34e1d742dab2615bf390cfa49385c42d154dbfb17d5668b88
SHA512 d43fb724465a342a6f8e365309fe7833cc9682fcacf433b485e62c86e5c81c5a8db8e381394f7cb2550e3ac9e5a0672368ce57ba4ef093df28d09f69b65922eb

/data/data/com.stac.empire.main/files/gaClientId

MD5 bd283c8527ddbaa8ecc7ea728d619abe
SHA1 089c0d1aced8af6447d98027122055fb7b5ac810
SHA256 fa428e3b75376b13f3e9fd02c95be19d0952795bae5181fefb986e1e1e79509f
SHA512 7f387864256dd68f6b32b827a26909bb8ffbcc3b5f323d09d274a1e44b1b2a7c1eee1a91f001f2ef879d84412a678f7befa422cbe39aebed52ce5aeb2065fa2c

/data/data/com.stac.empire.main/files/mobclick_agent_cached_com.stac.empire.main

MD5 a6ec85fc50c24cb97bfb99767cd2eee6
SHA1 94896c5ef1819f049f30e9f1853cc154d2566144
SHA256 122d5b7a51307bc72f8964e67ded5cd9eda7ae558f2986e45152f48f76bc92ce
SHA512 4615967216136a3b5bb1dd18244b62f200fb6ae1720b179cd1e332ee443e2e3dc21febf4cc96d354c11eb09fd5ad7c60e39c434cb608b7abc1306fe2ed3019ea