Malware Analysis Report

2024-09-09 13:53

Sample ID 240620-eksa3axfkg
Target c0b49d35aba26433370836dacc9d3007.bin
SHA256 c370c5b65b7cb690a4318c1ed7dca724281d482486b7f6f797c77ee3e27dba1d
Tags
ermac hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan
score
10/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c370c5b65b7cb690a4318c1ed7dca724281d482486b7f6f797c77ee3e27dba1d

Threat Level: Known bad

The file c0b49d35aba26433370836dacc9d3007.bin was found to be: Known bad.

Malicious Activity Summary

ermac hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Hook

Ermac2 payload

Ermac family

Queries information about running processes on the device

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Queries the mobile country code (MCC)

Performs UI accessibility actions on behalf of the user

Queries information about the current Wi-Fi connection

Makes use of the framework's foreground persistence service

Declares broadcast receivers with permission to handle system events

Requests enabling of the accessibility settings.

Declares services with permission to bind to the system

Requests dangerous framework permissions

Requests disabling of battery optimizations (often used to enable hiding in the background).

Acquires the wake lock

Reads information about phone network operator.

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

Schedules tasks to execute at a specified time

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-20 04:00

Signatures

Ermac family

ermac

Ermac2 payload

Description Indicator Process Target
N/A N/A N/A N/A

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Required to be able to access the camera device. android.permission.CAMERA 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 from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS 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 read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Allows an application to read the user's call log. android.permission.READ_CALL_LOG N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS 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 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

2024-06-20 04:00

Reported

2024-06-20 04:03

Platform

android-x86-arm-20240611.1-en

Max time kernel

119s

Max time network

186s

Command Line

com.gohaxacupumasa.kipo

Signatures

Hook

rat trojan infostealer hook

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId 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 phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS 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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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.gohaxacupumasa.kipo

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 null udp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 172.217.169.74:443 semanticlocation-pa.googleapis.com tcp
GB 172.217.169.74:443 semanticlocation-pa.googleapis.com tcp
TR 91.151.89.217:3434 tcp
TR 91.151.89.217:3434 tcp

Files

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-journal

MD5 b9a4b95fd4600a37296383f255747324
SHA1 9b81b9bec15ebbbfdee86c2a44b5fb8bb1dc9d80
SHA256 e377e1396d8626c7cc8d97b8c11d1fdbed6f305c76e8bd0aa33ac876175271c4
SHA512 cc7452876185f370f5f1967f9035a059bea21f5eb20f4236ae6bb64693f95adfc70927ad6a293e7f3801bce69243f8433c59cc12972d2d9e4b524fa060467e18

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 e8c3c345239ea995c3adeb6661e6e3eb
SHA1 fafdb11292269b14de069db40cfbf89f2e59f7d0
SHA256 6dc2dfad71ba9344e86722ca2243e4e80e59ef10b8ad9eb8177d25dfdd07c34b
SHA512 82aa771842b3cff82a2e9b7218b108e94fc10eca45ac36608543b62c6b1710ac0be83e6b9f7e665c23b15d3fbd22c70a7a6d6a7ee363220110ca2d8f3b4d82e4

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 ba15b90b28e91956bba54900a900b70d
SHA1 397c55ec55d730e8a11b33095c05cfa9c75fb04f
SHA256 e622cc36363ca4b2405120a99b4affead35d7ffdb2248d28205365dd1192dc31
SHA512 65708fd8daa0b1f8fe5a3242060979e03ef386173f37440e28ac1963bcb8f6a74a275a676b6b0f2cd0b35f37a075ad8ec1560dcd137ed9bb813c44424838ff5a

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 344136f5c04e1837cd9c2a3d30f3029a
SHA1 b421251dc9ebfa5695b75445e072174a20cfd061
SHA256 97be14441ddb161343b8a3c30459a50086c5dcf8c355fb49019d8d18b31edc50
SHA512 035b726ab6ed707365b3ee6868e164c9107a304ce77a7ec2a47880795497bae7fadc936991cfe390fb7052e42285c9cb4d7602f43467003f10faf10d1d6adef6

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 04:00

Reported

2024-06-20 04:03

Platform

android-x64-20240611.1-en

Max time kernel

179s

Max time network

153s

Command Line

com.gohaxacupumasa.kipo

Signatures

Hook

rat trojan infostealer hook

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId 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 phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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.gohaxacupumasa.kipo

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 null udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.206:443 android.apis.google.com tcp
GB 172.217.169.78:443 tcp
GB 142.250.179.226:443 tcp
GB 172.217.169.42:443 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
GB 172.217.169.14:443 tcp

Files

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-journal

MD5 aa730da30a0063a0efb2de0f92ca90a0
SHA1 cb6065d0fb49cc0da3d1127d69a570fc21c7218f
SHA256 2d14e098e60060a7a4cb623612be8cae4f48e3953d02ca3eac5c7595daa378e4
SHA512 b20c3b28c7e7353cabccbff76252615deb7036a60cd27326833457b937e0260902734cdb1831ec3f4e1854c630bc7de90dd00b86accaffc1fa79b3e372693daa

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 c42bd6822f33614a2c0855616ffc658b
SHA1 ff899995f991b421ed918898471026ee7afc6ef0
SHA256 0cd84b399cdfefd52ce374769a7d833fa857c4d4ecefdd9288d1bcd5d56a2d08
SHA512 8ba7dca4fe8c04f2a47089ccbddef4950e759c910a74f19b7cd3051738e6376745fb03be07629878d3c39eaa7b57f31d2a6d15c65235e031f765d45bfd5ec1b0

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 d5bde26acbbf8507e2e1f32902157f9c
SHA1 df7b7df8792e989b07543dd4c282ceab4410df97
SHA256 957cd5b307c2151f51c50a4a38cb2988df2232a706fa6c38c2735c4a6ebe20ae
SHA512 0e85b04eb5d0c1e57ea024d6381139facb9e5038bb07b5834d2648737272e274e72b96e252b764031d8c9f2fdf0017b5e33c50499767dd7e9e3de1c47f2fe6ac

/data/data/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 dc2d244f9c108e5610ff9f84749c690d
SHA1 3d9d112e61ffc52222ac271eb32a8a8e60cdaf7e
SHA256 1103a24c60bdcaa5030d6052da7f1b433e40ae2a05661dfe75e5acceba632bf6
SHA512 34c4ce12917aa8c7d2234fd5b9c4f11907a098fbe0e2ecd0d5aa84e3e63e486e10650c0aa6f10f0e5c530ea6a3544d5222f03461b7a9693546bab274f35f199c

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-20 04:00

Reported

2024-06-20 04:03

Platform

android-x64-arm64-20240611.1-en

Max time kernel

179s

Max time network

132s

Command Line

com.gohaxacupumasa.kipo

Signatures

Hook

rat trojan infostealer hook

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId 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 phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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.gohaxacupumasa.kipo

Network

Country Destination Domain Proto
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
N/A 224.0.0.251:5353 udp
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 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 null udp
GB 172.217.169.68:443 tcp
GB 172.217.169.68:443 tcp

Files

/data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-journal

MD5 57ae44e68c10c06488fa2de60753202f
SHA1 67661cb9136df29ae3c0a99091d3e597e744095d
SHA256 20e00e15afa7a126ca614bbfe5eaeb153f7bae61ac258c5190da2da0613bb174
SHA512 ec6ba12021b138ed30bb262b39f387a629db14bb1a737fcff1464eceead80ad91e0c2d737d7f3c50ffed6dc16f3050cae9dac1f1737bf096d2918d0dc7ba6fae

/data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb

MD5 7e858c4054eb00fcddc653a04e5cd1c6
SHA1 2e056bf31a8d78df136f02a62afeeca77f4faccf
SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
SHA512 d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

/data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 0aa621d0a5be50f3f1cb732d123fc494
SHA1 9cdaba3f61001d96ecc815ba6bfcbb39369d5639
SHA256 8c66778a8d11b10f5fe598f6f27595b1177d499a49fef54ba9f98d27f55bd0f1
SHA512 22ef0350f6c9ca133c4a07369cb208543594f8289d24fdf4b75efa1b15b036ff877175997746121e5adb021835044673fd49373377321efcf27ab22bba4567f2

/data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 97b48af32716de50bc35e15b36bde75e
SHA1 cda9979c20d496f524d3197a68790b0d9eafdcb0
SHA256 0545a9b6761974f8c21872369c5f73805f19cb433228f82b92ffcdfd183d89cc
SHA512 126e0442946265aba6c1e7b4b79294a4aed24e59111a052f265b578a01d4edb7be215217b37a8108ecb4595a307c8c281adab25afe91c4730d178fe26b8dca09

/data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal

MD5 f5b015bbfff338de53739a9ea2a184f0
SHA1 1bb6a5691b95277ac1c6b90bfe20c80a56c43cd4
SHA256 3fdb1b4e44a8f59fa68271a79dd1a47910d7e84f1e1f9deb7a775738872777a7
SHA512 2cb6a90365153993f126da81c3d9b311450db19f679ec11e24dc963fa45feaa389b32ef0bd80ef142942406ad3bc21b5fb878940238f71bef7e0974cb63f2463