Malware Analysis Report

2024-07-28 11:35

Sample ID 240614-yqxmhsxelp
Target ab372e536064ff9e16bd3e6b2278284b_JaffaCakes118
SHA256 429bbe5b2d23f38414d59507522607bd1cb426687a03dfa4aafb60e6327b82a7
Tags
banker collection credential_access discovery evasion impact stealth trojan persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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

429bbe5b2d23f38414d59507522607bd1cb426687a03dfa4aafb60e6327b82a7

Threat Level: Likely malicious

The file ab372e536064ff9e16bd3e6b2278284b_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker collection credential_access discovery evasion impact stealth trojan persistence

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Obtains sensitive information copied to the device clipboard

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

Queries the mobile country code (MCC)

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

Requests dangerous framework permissions

Queries information about active data network

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

Checks CPU information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 19:59

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-14 19:59

Reported

2024-06-14 20:03

Platform

android-x64-arm64-20240611.1-en

Max time kernel

177s

Max time network

175s

Command Line

com.naphew.sys5

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.naphew.sys5/app_ttmp/t.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 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

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.naphew.sys5

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.204.78:443 tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 api.ymkeyxeghj.rocks udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.169.40:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 a.asense.in udp
US 208.100.26.245:80 a.asense.in tcp
US 1.1.1.1:53 www.youtube.com udp
GB 172.217.16.238:80 www.youtube.com tcp
GB 172.217.16.238:443 www.youtube.com tcp
US 1.1.1.1:53 m.youtube.com udp
GB 216.58.201.110:443 m.youtube.com tcp
US 1.1.1.1:53 accounts.google.com udp
BE 74.125.133.84:443 accounts.google.com tcp
US 1.1.1.1:53 gstatic.com udp
GB 216.58.212.195:443 gstatic.com tcp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 jnn-pa.googleapis.com udp
US 1.1.1.1:53 static.doubleclick.net udp
GB 142.250.200.38:443 static.doubleclick.net tcp
US 1.1.1.1:53 play.google.com udp
GB 142.250.200.46:443 play.google.com tcp
GB 142.250.200.46:443 play.google.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.179.228:443 www.google.com tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp

Files

/data/user/0/com.naphew.sys5/app_ttmp/t.jar

MD5 9aaea567e0c93e51718ba7eade0e83df
SHA1 0005116aad1779361b70093db00fed5ac090ae23
SHA256 b30a95dff6f65f444472971c8aaf895ffc8e66e0117ce242ec4cb8a8a519a5ec
SHA512 2aef1034335d8752f4e25ce6c5823ce03019536cc6e51ee61b5291c77a0f356a2517e0cbe7f2c4cc2d897115dc856449a342cfdc247c9d34d313187d15b2f890

/data/user/0/com.naphew.sys5/app_ttmp/t.jar

MD5 f72c3d07507c3e26d317e9117ba757d1
SHA1 cdede4739e9dd9fd95243aab5e44c24f93f825c3
SHA256 1c65834d9ca018c6496a8b9957589d0e94657911b6635dc21a448d78f9238887
SHA512 3420714252e7503abc13c99274d767b0bc08671d769460dc61823ab9470e145fb75c5dfaadc617d3a05cf251ed5ecf38ea7e8c1d7b343bca4d7e8296f1b805d4

/data/user/0/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 c13383c83c51754ad5c1cfd065635e16
SHA1 1e45a852944799f2a56d53eeafe909b28670c980
SHA256 af4c70c6f52534bad857e2aeabc1a6c047bfc449d0adf082cac8fc57e1b13883
SHA512 4593ec2597f04b22e92c1ef02d2d529f79b527bb1c409fdf954e2b37f978a9dd72b103a484b1afd9e67999029b3e34a85d6d3b174b9644c8232f038a52ed3fe9

/data/user/0/com.naphew.sys5/databases/com.naphew.sys5b

MD5 565cc4304f6cf26194b0ba402ba1f887
SHA1 85cca5d60470bbd412f7ea9c3a2b6700b7797225
SHA256 0b483a48d4cece845ee53e21bf9c3462a5296a80571efbc7fea25d06e970dc31
SHA512 9ed4a22b41e6176de97ecc66b1c0c8a6ac49a6ed580eb429f98f6fb60b4122c8045cd7d26311659a8d6261e849944d787d5e53b524d09dc927586c6e1fabe578

/data/user/0/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 c8d85333dbe618cae580cafedad16a16
SHA1 da106d4dbbb7ecc57b38477803f5f35b22597857
SHA256 23030d8806a5adbdfd3129f48eb77dd8510f426c6d87965c5fb33bd3322bf777
SHA512 ff21d1fb67a91186204058d69e79766f6e68d558e40542360d364dff00bc1105dcbef78db2fa39395327ae0a8072bb9954607a44bf6023775776d2e4d39de618

/data/user/0/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 00fc5ac0a1bf422f6f33b1633de2a89f
SHA1 836883a05c4758c59e43ede58f568ecb590ba611
SHA256 7cd2988625327f5fdc57d103871f40fda8c496cffb660c388b0200bafd936b46
SHA512 7fbb6a26d789cd626ab76996e855d484f1df038a20d95195434ff0bab0b6b2da448005a78a87c306b34af52c9874f5d7c1f1f209b799c6ac52b4d860e62d48aa

/data/user/0/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 6d2872c103964cb4f65c856bc9615f01
SHA1 0fd5eaaec3d95a0ce7debe38d411b81d9510cb5f
SHA256 4014422ce4650b79f74a8d5cbcc6b45045b086d41eb829aedc92c711b467b5ed
SHA512 ba804f7c7f9fcedec9b88c94c3bee0607187524984f2f0eab17bc29473c9442b8ea84112f315a067b369a2c8cc89643c6aab7c2be2ae9cd876c52aadb649eb66

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 19:59

Reported

2024-06-14 20:03

Platform

android-x86-arm-20240611.1-en

Max time kernel

178s

Max time network

138s

Command Line

com.naphew.sys5

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.naphew.sys5/app_ttmp/t.jar 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 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

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.naphew.sys5

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 api.ymkeyxeghj.rocks udp
US 1.1.1.1:53 a.asense.in udp
US 208.100.26.245:80 a.asense.in tcp
US 1.1.1.1:53 www.youtube.com udp
GB 142.250.179.238:80 www.youtube.com tcp
GB 142.250.179.238:443 www.youtube.com tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.201.110:443 android.apis.google.com tcp

Files

/data/data/com.naphew.sys5/app_ttmp/t.jar

MD5 9aaea567e0c93e51718ba7eade0e83df
SHA1 0005116aad1779361b70093db00fed5ac090ae23
SHA256 b30a95dff6f65f444472971c8aaf895ffc8e66e0117ce242ec4cb8a8a519a5ec
SHA512 2aef1034335d8752f4e25ce6c5823ce03019536cc6e51ee61b5291c77a0f356a2517e0cbe7f2c4cc2d897115dc856449a342cfdc247c9d34d313187d15b2f890

/data/user/0/com.naphew.sys5/app_ttmp/t.jar

MD5 f72c3d07507c3e26d317e9117ba757d1
SHA1 cdede4739e9dd9fd95243aab5e44c24f93f825c3
SHA256 1c65834d9ca018c6496a8b9957589d0e94657911b6635dc21a448d78f9238887
SHA512 3420714252e7503abc13c99274d767b0bc08671d769460dc61823ab9470e145fb75c5dfaadc617d3a05cf251ed5ecf38ea7e8c1d7b343bca4d7e8296f1b805d4

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 52cc0b38677d01f6864bd78c83f733a3
SHA1 f6d81fbd767d3a43aa40ffae2e333edf7eec0c6f
SHA256 1936c9d71004a3197fd34f77bce70bc6bad50205630815b36e05024d6be9a176
SHA512 d9542edf620aace80dc4ae9122b623948bce4e64b1466feebe5e323628e6104164f4cdb0697269e8989694a3255fa659bdf3bc4f9de17d2ec872c9cd2758784c

/data/data/com.naphew.sys5/databases/com.naphew.sys5b

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-wal

MD5 dd81a273d2144e3d7d3a1b51eb063c18
SHA1 726fc64129805e402e1ad68b56bd1e479739d5d0
SHA256 9b28237f027b2c2998f24b3e3be0d600be5dc1a21415db7e5ed661b4ab41e28f
SHA512 87c3be056a33009e3efa5b308f8db5127bb54d22d2cb96e0d9a62a40d0e6157d38ae5a94d1b04c388c3ae01abae52775f100c3491f9c17122f2e85a856d677a0

/data/data/com.naphew.sys5/app_ttmp/oat/t.jar.cur.prof

MD5 4a1b21a1919e195723cd19574619046e
SHA1 db55e03f72c0c3e1275f353ae33300aede81f00c
SHA256 90f9ed8913f085e87ef641b3fea784f8fd232231b80c336438614bb6d62cd067
SHA512 23f619d271db0a423dc6ec603360041a394af388cc1976fa3da0eb3b4fa9db40281e102f41da979fd0b6a7c82dd034656f740ee92563565799aad00fa1612452

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 19:59

Reported

2024-06-14 20:03

Platform

android-x64-20240611.1-en

Max time kernel

177s

Max time network

144s

Command Line

com.naphew.sys5

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.naphew.sys5/app_ttmp/t.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 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 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

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.naphew.sys5

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.42:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 api.ymkeyxeghj.rocks udp
US 1.1.1.1:53 a.asense.in udp
US 208.100.26.245:80 a.asense.in tcp
US 1.1.1.1:53 www.youtube.com udp
GB 172.217.169.14:80 www.youtube.com tcp
GB 172.217.169.14:443 www.youtube.com tcp
US 1.1.1.1:53 m.youtube.com udp
GB 142.250.200.14:443 m.youtube.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 accounts.google.com udp
BE 108.177.15.84:443 accounts.google.com tcp
US 1.1.1.1:53 gstatic.com udp
GB 142.250.179.227:443 gstatic.com tcp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 172.217.16.226:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 jnn-pa.googleapis.com udp
GB 216.58.201.106:443 jnn-pa.googleapis.com tcp
US 1.1.1.1:53 static.doubleclick.net udp
GB 142.250.179.230:443 static.doubleclick.net tcp
US 1.1.1.1:53 play.google.com udp
GB 216.58.213.14:443 play.google.com tcp
GB 216.58.213.14:443 play.google.com tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.169.68:443 www.google.com tcp
GB 172.217.169.42:443 tcp
GB 142.250.187.206:443 www.youtube.com tcp
GB 142.250.187.194:443 tcp
GB 172.217.169.42:443 tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp
GB 142.250.179.238:443 www.youtube.com tcp

Files

/data/data/com.naphew.sys5/app_ttmp/t.jar

MD5 9aaea567e0c93e51718ba7eade0e83df
SHA1 0005116aad1779361b70093db00fed5ac090ae23
SHA256 b30a95dff6f65f444472971c8aaf895ffc8e66e0117ce242ec4cb8a8a519a5ec
SHA512 2aef1034335d8752f4e25ce6c5823ce03019536cc6e51ee61b5291c77a0f356a2517e0cbe7f2c4cc2d897115dc856449a342cfdc247c9d34d313187d15b2f890

/data/user/0/com.naphew.sys5/app_ttmp/t.jar

MD5 f72c3d07507c3e26d317e9117ba757d1
SHA1 cdede4739e9dd9fd95243aab5e44c24f93f825c3
SHA256 1c65834d9ca018c6496a8b9957589d0e94657911b6635dc21a448d78f9238887
SHA512 3420714252e7503abc13c99274d767b0bc08671d769460dc61823ab9470e145fb75c5dfaadc617d3a05cf251ed5ecf38ea7e8c1d7b343bca4d7e8296f1b805d4

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 9cbe05c7c50441c2c80e4a1f030bd8dc
SHA1 27a470ea6b7d1e1cc385577a62a6b1b5fde38491
SHA256 595bcca684e8cb9a8d3dc0f869bbc15f76ecf77676cf36616fba6c9f0d4c8160
SHA512 409e4c3adef2a1ca06718033c12bfc3b7416eddf25c157b8f32a780dfd600c92a6ffc4e3a744632b56c6be978cf024e17f332bf6221697b4162e7ec6a0285dce

/data/data/com.naphew.sys5/databases/com.naphew.sys5b

MD5 42b81e30d3a6d0eb9a858564873b6fc7
SHA1 8d74be327ca548df7b1ba23289f29655c2ba5c1b
SHA256 e904cf52487853bffdb77daeb8cd6a972c7eef6d6b1a179083d85f40dcc012e1
SHA512 ab2e4e20409ec09995e7cf7595bb113505ae204fe1baa1e83e3e0ede6e89191dbda941fc88d231856c1a78ab31d81aa2d26feb0625be6c4eebdeeacb0b1d5579

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 ba4255be8f6d7bda953fc1917d666f3a
SHA1 352e8725180c188749e707305674798abc948ae4
SHA256 08158a6dc711b6f1928d2836570e0d35a63bca28b689b214cea0621eeda0c950
SHA512 fc05ddd916452497ec201fa39945492c486f9aafcf37e2327e7ef7453c9efc7897e705df77bffe66882f9430fca0117c5deb13ac6376749544c134db773863fd

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 36acdfd58c18ffb97862ec121db83caa
SHA1 08fc197f8859b498906ff5aabb0ab7ecd39350d0
SHA256 d461045890d295334989d94d6442a88a775f0dff738a8f78ef24807701b4d1b8
SHA512 29e66264e557b3b118b1aff191220f4180ff716f4df8b79672d322505bd853043904c4e3a60e2317025eab462488b555bfdca6cd42445a098628b586bd272263

/data/data/com.naphew.sys5/databases/com.naphew.sys5b-journal

MD5 9fcc689370d5aff504b40d674c38ebc0
SHA1 cc6917a0384905aebcf3e40ccab48c39f47ce8b0
SHA256 1ca18a9b95bc3443e9a7dfdad1e4ae7a41dc6cc655b52e33a8dff513cae7a2e0
SHA512 176abcc5e7cc3fe82287da14974f4f7ac16470726b35211f8a28046c69ee7e2aba97e97e6531617822f46db6c6568132fd7c2688189388a9ad0560487634a23c

/data/data/com.naphew.sys5/app_ttmp/oat/t.jar.cur.prof

MD5 1a04580b45a4cc8ce0839db7286ff5c1
SHA1 f699df9c2b47d1083a66d71111a53d93b396ccf2
SHA256 877059c9dd8e74af07ee6c52734e911876ddc922d8c04ef72370641f249f2a90
SHA512 e93ab95a980a8553c76b614e94746a509135b85e68b7d617fa9fb036f82d6c08f1b80f2f79d2ffe32bf8b6f8023ff4b2626d29ecf791d02728b12e6f35842d62