ermac | b8b2648f1d488de58654c15020ed43ae99f66e700872fbdadcf5c6ee11e301ec

Analysis

max time kernel
149s
max time network
162s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
17-01-2025 22:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b8b2648f1d488de58654c15020ed43ae99f66e700872fbdadcf5c6ee11e301ec.apk
Size

3.1MB
MD5

aa25816e1d26df76db196049b213db98
SHA1

1d1d95bd32113f695f250113f5cfc28a6427f5f4
SHA256

b8b2648f1d488de58654c15020ed43ae99f66e700872fbdadcf5c6ee11e301ec
SHA512

b949d718b98e75652dfff52967f9c1910b864770d96226b730a1478e98856107195def608e58aafcee4e245c9c1588c0a8c90b7de7ebe13826d0eb9604795856
SSDEEP

49152:ycpZD2eZBfQ7U9vuPQXrgkwjGzVI9r4z975lYWEhwGxOPmg1H:ykZqKBYIJuPi4qI14J7kWEhHOpH

Score

10^/10

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

Malware Config

Extracted

Family

ermac

http://asoutlaverdadfasd.pro; http://asoutlaverdwwear.pro; http://asoutlaverdsadfaf.pro; http://asoutlaverdhhtrsd.pro; http://asoutlaverdcgahff.pro

http://asoutlaverdadfasd.pro

http://asoutlaverdwwear.pro

http://asoutlaverdsadfaf.pro

http://asoutlaverdhhtrsd.pro

http://asoutlaverdcgahff.pro

AES_key

Extracted

Family

hook

http://asoutlaverdadfasd.pro; http://asoutlaverdwwear.pro; http://asoutlaverdsadfaf.pro; http://asoutlaverdhhtrsd.pro; http://asoutlaverdcgahff.pro

http://asoutlaverdadfasd.pro

http://asoutlaverdwwear.pro

http://asoutlaverdsadfaf.pro

http://asoutlaverdhhtrsd.pro

http://asoutlaverdcgahff.pro

AES_key

Signatures

Ermac
An Android banking trojan first seen in July 2021.
banker trojan infostealer ermac
Ermac family
ermac

Ermac2 payload 1 IoCs

resource	yara_rule
behavioral2/memory/5123-0.dex	family_ermac2

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook
Hook family
hook

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.koyogohumanuda.xifami/app_inside/eghkBgk.json	5123	com.koyogohumanuda.xifami

Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.koyogohumanuda.xifami
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.koyogohumanuda.xifami
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.koyogohumanuda.xifami

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

collection credential_access impact

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.koyogohumanuda.xifami

Queries information about running processes on the device 1 TTPs 1 IoCs

Application may abuse the framework's APIs to collect information about running processes on the device.

discovery

Process Discovery

T1424

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.koyogohumanuda.xifami

Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.koyogohumanuda.xifami

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.koyogohumanuda.xifami

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.koyogohumanuda.xifami
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.koyogohumanuda.xifami
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.koyogohumanuda.xifami
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.koyogohumanuda.xifami
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.koyogohumanuda.xifami

Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

discovery

System Network Connections Discovery

T1421

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.koyogohumanuda.xifami

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.koyogohumanuda.xifami

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.koyogohumanuda.xifami

Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

execution persistence

Scheduled Task/Job

T1603

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.koyogohumanuda.xifami

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.koyogohumanuda.xifami

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.koyogohumanuda.xifami

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.koyogohumanuda.xifami

com.koyogohumanuda.xifami
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- 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)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:5123

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.koyogohumanuda.xifami/app_inside/eghkBgk.json

Filesize
691KB

MD5
83579a948b7387e5e11a0988ab84137a

SHA1
c143c4c4084bd568cf1073718c874b216a138887

SHA256
c9bd66a9b63e63024342db7d4c5039f3cde3d53b2ae5c27f93a8cea3f3551a7c

SHA512
c724d6e4c8b14e4abac6921afaa8e7f7eaa4f36799d0c1d6d44a030375cccf2ae98b9dd921289c6898413140fc22c30d6adbfb1c68d15ab6de5a48b291e8098e

Download Submit
/data/data/com.koyogohumanuda.xifami/app_inside/eghkBgk.json

Filesize
691KB

MD5
436fc951f37101350d119ba657115878

SHA1
5fefa78fea5fa5255f0e3a9a236246842230a610

SHA256
98a5dd17de6e0073156c8a015f396db93b6eeef5d9998409d2c7007bc282e206

SHA512
a2ec95374cbf2280a97f0c7dec9ea03e814bec7729e58ddd7da9a8f1b2b5b3533971bc4116b4197bed6c249890241264515d48f23ebeb1628fb26d6e67c40639

Download Submit
/data/data/com.koyogohumanuda.xifami/app_inside/oat/eghkBgk.json.cur.prof

Filesize
3KB

MD5
aaae794607784eb2587c302a24e1e117

SHA1
2fab8d91ab9f74916c87145437a5678e0ecd7599

SHA256
4be5f2a1643598677958d1fd87822186190972efe9fe33de43b13168c5c32141

SHA512
61191a9b8f5710d131a692c94f5a2c6f8981d2e8f037054154d302e6e6ec35ded990c358e67b914946c1c355471fcaad4cef255b0a8e9e9bbe5618ecf8362e92

Download Submit
/data/data/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
9be0278559dfe075385616b322f4b805

SHA1
7dff960117fe2a3bbb9440eb8460a9d5344af922

SHA256
64cf8feba7bb8712527c1189466bc73a2040f00dfb7d7f4dc1ab9a9967dce711

SHA512
dbc8b919d7b15f0583f61c5777a1bab21cd111ff5a2c3767d43934bdafca9a24e6f7b55a9d13b439c4ec425fbeabf515e40da06f198d540b55906e0fe413a36b

Download Submit
/data/data/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
3f6ca0f5e9ecdc728b1439b39e4b4eec

SHA1
c51af05c914e37f9c5a7478e4905c22c24b858b5

SHA256
2834b7f111959e76fa4e141d98df78d8dc37b61f012daae214157ad9a0d916af

SHA512
222f86e73f2e68b1bb8149e71ca74e317cc5e1264a18d3b898dde0ea6719e8ada06e1d950293d2d68930091f9a1c72226fd66147364dd545954a796ad209fa19

Download Submit
/data/data/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
cc81e3f7c346f7705a27b788a8354065

SHA1
094ca25d75d52d6955113a42f275cc045d913d4f

SHA256
e38588e49eab068d6b67e515bad518ed54e7a6dd7d7638c179592d9f3b2b4339

SHA512
af3547bc8aae0baba5733563a0025331ce3ed0ef862fe7d62d3ee5cea38cbdf72386d88309c34b6350bb1e339dc9e324dd279c490bb15ea7a621b0e06b320747

Download Submit
/data/data/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
70e982b3f224c32db3fa1028a41f9a24

SHA1
c9238819f0f8d0d97abc9029c773862aacff4fa1

SHA256
2495f19ee0eb56475f41e14c8c29a063a4b3ee8b6c8783f17d973b0d2289b7ff

SHA512
383d7b96364693cf4629cb53c309878a35c3167208697980d3655395e5ead5ff043a41a819c58552d427490067de32454434f27f15041c426a2c1255bc215b05

Download Submit
/data/user/0/com.koyogohumanuda.xifami/app_inside/eghkBgk.json

Filesize
1.5MB

MD5
40555b26c66b2a59ab442b8515a8cd40

SHA1
1d0b53d505841c9039e10dc6983bb06943c43148

SHA256
42bea2c7a4f0d1ba9bd2a9ec647d4976f7472b6767499cf954c7a7ce94b58fd7

SHA512
a54655b02d1784251bc74cfa2e72c0557debb7db4a119c17b9a3fe52036071642618718207893902930f35582cb8308e215c226769fa06f680caaf1d3ae68a00

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads