ermac | b8b2648f1d488de58654c15020ed43ae99f66e700872fbdadcf5c6ee11e301ec

Analysis

max time kernel
147s
max time network
163s
platform
android-11_x64
resource
android-x64-arm64-20240910-en
resource tags

arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
submitted
17-01-2025 22:01

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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
behavioral3/memory/4771-0.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	4771	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

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4771

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

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

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Downloads

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

Filesize
691KB

MD5
83579a948b7387e5e11a0988ab84137a

SHA1
c143c4c4084bd568cf1073718c874b216a138887

SHA256
c9bd66a9b63e63024342db7d4c5039f3cde3d53b2ae5c27f93a8cea3f3551a7c

SHA512
c724d6e4c8b14e4abac6921afaa8e7f7eaa4f36799d0c1d6d44a030375cccf2ae98b9dd921289c6898413140fc22c30d6adbfb1c68d15ab6de5a48b291e8098e

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

Filesize
691KB

MD5
436fc951f37101350d119ba657115878

SHA1
5fefa78fea5fa5255f0e3a9a236246842230a610

SHA256
98a5dd17de6e0073156c8a015f396db93b6eeef5d9998409d2c7007bc282e206

SHA512
a2ec95374cbf2280a97f0c7dec9ea03e814bec7729e58ddd7da9a8f1b2b5b3533971bc4116b4197bed6c249890241264515d48f23ebeb1628fb26d6e67c40639

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
/data/user/0/com.koyogohumanuda.xifami/app_inside/oat/eghkBgk.json.cur.prof

Filesize
2KB

MD5
7a863ec93032365bfd39800eb26e3319

SHA1
33f5ced8c05c3c275ebadf4b0fcafd62899b4455

SHA256
0b2b95a02a2d86fbe83722b94e951f45ddd95dd499e4218e2883e4c0c7a27de7

SHA512
8ce8ff88bff461eb672a53beaf55fb874e340d7d9d90fca231bb4f289adb3fd280cdda366538268cdf399f7c4e5505136d13387b533fa2a57931d86bb3b9f658

Download Submit
/data/user/0/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
1c0a3ff41e5802fc0405eee483e931bb

SHA1
583dbdba433a24908847bc2908f7d42b4ca280c1

SHA256
b3894be4f23a6a2fa9300cdb41a74e587d1b3c56ae706f8e09e3b1c5b4dce263

SHA512
1bdf88156abea78c6877af5f41c7a794530f861a37983467e428c577d313e905812f92c95902fd488e4a364e7e018946da58c945410f8a12b67eba2de40e960e

Download Submit
/data/user/0/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
5172cf26d8000cbcbd5ae74bcbc73e6f

SHA1
12782a826a77ecdd9a763114371fe6f964e06161

SHA256
db91854ee404f207dcb82ada06a67ee798de0e2f1897a8da85107a442b8cc4d6

SHA512
bbf2cf54ac4fcf335b44f4446d297da1955be7ac74db16a6f53ac76887148c6f12702d69387718651a53876a32b1689f50ee18c7770dc000347aa1d563a61be9

Download Submit
/data/user/0/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
227ba229c22153ecef47aa9150154eb5

SHA1
4493f0216bfe65306979cdff7dfa40fca6193833

SHA256
06776a3f85a74997861b79d56b7cf9d1b5f06f5a65c5efb9a1fc00e56bf0fe98

SHA512
bf8ca257d99dd322994457b28f4e8006a7ca776db91594184113249a6e65f915ef8488f998fb54dd68e0e5fb0183a591be781a771593b00eb3520241d67db459

Download Submit
/data/user/0/com.koyogohumanuda.xifami/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
a2c285abd86c6d1e6a78cb1b309d972e

SHA1
038953693d415e171b2c35f3a53e777b05844c3e

SHA256
eccc565a726dc69d7813bb4b637f55d913992ac473fde445d845ff236ed40ba4

SHA512
bb9bbef8790503c3b30bd652ef93d027e627981842a627a3f97dc57e7037caa64f4992e45342ae77ac7cd3fa4700925f5e6e2cbdbaaa7d200910838bdd3e0656

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads