Malware Analysis Report

2025-08-10 23:59

Sample ID 240518-x6yzvabe81
Target 566553791b7642b25b2f7fc2ca0d27f6_JaffaCakes118
SHA256 d5af7a5faef2608be5b6f8b9cc8fc5d73551383998c5be1ffcb32d9ee5445f84
Tags
banker discovery evasion persistence
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

d5af7a5faef2608be5b6f8b9cc8fc5d73551383998c5be1ffcb32d9ee5445f84

Threat Level: Likely malicious

The file 566553791b7642b25b2f7fc2ca0d27f6_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker discovery evasion persistence

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

Checks CPU information

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

Requests dangerous framework permissions

Acquires the wake lock

Checks if the internet connection is available

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 19:28

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 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 19:28

Reported

2024-05-18 19:32

Platform

android-x86-arm-20240514-en

Max time kernel

178s

Max time network

185s

Command Line

net.kairosoft.android.onsen_enmod

Signatures

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

banker discovery

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo 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
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock 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

Processes

net.kairosoft.android.onsen_enmod

net.kairosoft.android.onsen_enmod:pushservice

Network

Country Destination Domain Proto
GB 216.58.213.3:443 tcp
GB 142.250.200.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 stats.unity3d.com udp
US 1.1.1.1:53 sdk.open.talk.igexin.com udp
CN 183.134.98.112:5224 sdk.open.talk.igexin.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
CN 183.134.98.112:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.112:5224 sdk.open.talk.igexin.com tcp
US 1.1.1.1:53 sdk.open.talk.getui.net udp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
US 1.1.1.1:53 sdk.open.talk.gepush.com udp
CN 183.134.98.102:5224 sdk.open.talk.gepush.com tcp
CN 183.134.98.102:5224 sdk.open.talk.gepush.com tcp
US 1.1.1.1:53 sdk.open.talk.gepush.com udp
CN 183.134.98.112:5224 sdk.open.talk.gepush.com tcp

Files

/data/data/net.kairosoft.android.onsen_enmod/databases/google_analytics.db

MD5 29d16b2819b4f72b23f15ad2a64f582a
SHA1 9c96e3ed7eea5241b1024f6385c94efed93f6b7a
SHA256 294306b58260536c12a9868271faf8ec7946a740248b4acecd3f34b32922dde8
SHA512 f6a301158eef4ef67e1493e3ed78fedd7491404b79c2cb61d2214fea01f0ff1669f1ca9be3696403903344e304cccd4d96979b5f9556b0faa28c5f13e43b9fff

/data/data/net.kairosoft.android.onsen_enmod/databases/google_analytics.db-journal

MD5 f3cc3cbc9cf9f231b089309f3d306941
SHA1 331a0efcb6d3b586d384642a9b44de5750298e4e
SHA256 5793a78ef6a2660db7d2938c529a10bc531d56bd2c9616a39dd3fb5c740bd1e8
SHA512 c5f372bb4670d611d596632cf5761412faa0c5e4cf0661220bd60c8bd7d05fdcc9b46ac951560871b3361b75dd8dfa3fb6745494aa49401be4beb5d89d267a74

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-shm

MD5 5763f8100c3eb2b16ec27c88a56c9fe2
SHA1 36f79becc869897a741585e4b2d312f9d960364a
SHA256 a8eeee7a6e9ce8b025518793e8ea447c3873e9172dd17f9ff78e83938a8f5d8a
SHA512 1ab2c7707e6850da314c06abf044e5091a2bd131aa4213c53724700552c5cdf48022224e9d9d7807ecb7b481e933955229a8daa5838a5c527babcf9521f9e43d

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-wal

MD5 1f71ad748daea11bd09808569a0ddd3d
SHA1 3169021dc6aab89062b3f9518fe174974688b32b
SHA256 1ae3aaefaaace1fea81abc3c17564aeb8ac04a4d363de0f7ac5599d1432482c6
SHA512 e028eb6e7f23a2c102e792585408da41bae59cab6bce631405651f4366e66e463a3debd284e2dead1a2c9a3a1ea59d5772417f36febd0da3253cfd2ddbb43efc

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 19:28

Reported

2024-05-18 19:32

Platform

android-x64-20240514-en

Max time kernel

165s

Max time network

183s

Command Line

net.kairosoft.android.onsen_enmod

Signatures

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

banker discovery

Checks CPU information

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

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock 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

Processes

net.kairosoft.android.onsen_enmod

net.kairosoft.android.onsen_enmod:pushservice

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 142.250.179.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.213.14:443 tcp
US 1.1.1.1:53 sdk.open.talk.igexin.com udp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
GB 216.58.212.194:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
US 1.1.1.1:53 sdk.open.talk.getui.net udp
CN 183.134.98.76:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.76:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.76:5224 sdk.open.talk.getui.net tcp
US 1.1.1.1:53 sdk.open.talk.gepush.com udp
CN 183.134.98.102:5224 sdk.open.talk.gepush.com tcp
CN 183.134.98.102:5224 sdk.open.talk.gepush.com tcp
CN 183.134.98.102:5224 sdk.open.talk.gepush.com tcp

Files

/data/data/net.kairosoft.android.onsen_enmod/databases/google_analytics.db

MD5 4222e8688c77bf66c3e9a128fc234ae6
SHA1 e0d26152f5077494b6dbd578801653281445d121
SHA256 9b3bc65de2e4df63241d6b03bbf55e035f0262796e6bbe8e275f3902fa179ad5
SHA512 ca0e3e42971cf14ea9ec580e36dcbdc32eccd6d07d533457bf4e5a1278f75f59600c111da856edf481a9c2a89edeb4702fc8ce6b1cbe8aafab0122bd348b0e77

/data/data/net.kairosoft.android.onsen_enmod/databases/google_analytics.db-journal

MD5 cb6af4835c9b8f4aa77c639fda08b7f8
SHA1 16fadb65a73d411f35268207c3f8b54916cfefa0
SHA256 8a980265bfe6504355e885fa613091549e9e155d158aecb1ad8954b68a3534b8
SHA512 e0e2afa4c97dcdfa9483e529ec699a273d43c2cddaa34a586f3abb97680493f94e3319750faf69283a3e8990bfb22cd200fa8b962efbb4bce351049c53cd77fd

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-journal

MD5 4ea6fca462e90f4606960f078bdd4755
SHA1 8969807c52899013c0efacb1fb9dc77fd37f85be
SHA256 fac2155e4daa6a5e772bf3a7f4e0d2f63e073ab476ce927b2e335b37d41ba2d4
SHA512 251c7831c9c508941af0e3da7d317f9faf2e4d04f858f7c8e394fd2d39e825f158db40b34b0bd349339cb25a9ad9d5ed3ffd188e9250c7410b7fa230868bdbdb

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-journal

MD5 777d7f0085d4efa3faa660232395e976
SHA1 3f3b3223215a122c6b359da8d3843ca4fd8bbd38
SHA256 2dfc39afba442e7c3cdd302e4b7fcb7409b54a1eb26c5065833e946768d696d2
SHA512 309028b0aef6f8dd84288dfef660f89a4d1825c643d1ab4c0ad71e4ad504a119256e6ea93cb322376d94eb795c1c6516b54934635b95f44287f14a2ca5a169f0

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-journal

MD5 36089a1dc3d55e70fa381811e311e1cb
SHA1 d6a297d2be39e71f69b4ef405b269c6ed4232b48
SHA256 5657f3d5cdb43d8d2bee58ea33b0d7eeec045ef687d96aed98cdf5a2ed97eecc
SHA512 4bcfda534f4e800499ed6590807b7032364e4ef4145ea4092202ed32ba19c0b8ab5ffdafe4db8b313fb8e1e2cd0ad32e9581178e5c446094b626191ae67d0c0e

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-journal

MD5 9e66e0a727bd14b7b0b7faadde0c2eb0
SHA1 a48415ea5d1e35cc6f3246c2b77884bdaac8c3f2
SHA256 3e6c95f6826e621cce0ec431b71ffac9c6e147dccc41dae2d5df630566fcbeb5
SHA512 7ae9144bfcb6567731d9c40313e75177fe5ddd0dcaecda0a8f9ea7236469ea983f4a374384a77130dcabbbb0481f2e39721d1439266e2df39f22b4ca8fc541ad

/data/data/net.kairosoft.android.onsen_enmod/databases/pushsdk.db-journal

MD5 fc077b0c2cd32c2ffdc1c9f9ce8be5b4
SHA1 4ca9eddca19d227cde1a9354433075ce71875376
SHA256 5ac33f202fda6f27d0d33714f23a6ac6b1a44ed2da43acfddefe037803767948
SHA512 23fffb5e6e45ceafcf332bf43b5aecee85c3303c1019d03ba1924607bdde225a232fa70292e0981c1e3e2033ac9c059be2d24c809208afca3c12e367674f1a87