ermac | 9841decf8e0c882dec874d6bf7915a8b14a0b1abcf0684df192718f464e4f978

Analysis

max time kernel
149s
max time network
152s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
28/02/2025, 22:04

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General

Target

9841decf8e0c882dec874d6bf7915a8b14a0b1abcf0684df192718f464e4f978.apk
Size

3.7MB
MD5

6470a944afaac6ceb464d6a8305142cf
SHA1

79ca5a6226329bb1a3d990936670bb7bd2b3bb82
SHA256

9841decf8e0c882dec874d6bf7915a8b14a0b1abcf0684df192718f464e4f978
SHA512

f10441007eb4161750e056d62105f6991a410a3324a11df4178346a651f11d9410b5e9fdf08f0ea1ea877cf9f6011b4e737563359d92d579d04ce2ed158afa21
SSDEEP

98304:IeZ8KggD4xc7kby2K7SxpPZJ3f/5FpknIxFXj7wCn:qgDH7k2pkPfFDn

Score

10^/10

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

Malware Config

Extracted

Family

ermac

http://xzophgf.pro

http://vbqmzif.live

http://tvubbrtsj.pro

http://cvbasdewtyu.live

AES_key

Extracted

Family

hook

http://xzophgf.pro

http://vbqmzif.live

http://tvubbrtsj.pro

http://cvbasdewtyu.live

AES_key

Signatures

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

Ermac2 payload 2 IoCs

resource	yara_rule
behavioral1/memory/4242-0.dex	family_ermac2
behavioral1/memory/4218-0.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 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.birixipawipejogo.saha/app_deer/GgrRP.json	4242	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.birixipawipejogo.saha/app_deer/GgrRP.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.birixipawipejogo.saha/app_deer/oat/x86/GgrRP.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.birixipawipejogo.saha/app_deer/GgrRP.json	4218	com.birixipawipejogo.saha

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

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.birixipawipejogo.saha
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.birixipawipejogo.saha
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.birixipawipejogo.saha

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001

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.birixipawipejogo.saha

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.birixipawipejogo.saha

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.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.birixipawipejogo.saha

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.birixipawipejogo.saha
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.birixipawipejogo.saha
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.birixipawipejogo.saha
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.birixipawipejogo.saha
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.birixipawipejogo.saha

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.birixipawipejogo.saha

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.birixipawipejogo.saha

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.birixipawipejogo.saha

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.birixipawipejogo.saha

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.birixipawipejogo.saha

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.birixipawipejogo.saha

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.birixipawipejogo.saha

com.birixipawipejogo.saha
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- 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:4218
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.birixipawipejogo.saha/app_deer/GgrRP.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.birixipawipejogo.saha/app_deer/oat/x86/GgrRP.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4242

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

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

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Downloads

/data/data/com.birixipawipejogo.saha/app_deer/GgrRP.json

Filesize
691KB

MD5
fbb52658a9741d4a540cb659cd1a68bb

SHA1
805c3ed78867b89b828ccf93d2b77d2ee0a405f3

SHA256
3d83c7db8399c80936634bfc6ee3cb32911a33d894ac3aaef372cf8e5f3ae17a

SHA512
3f85286fa6b579be06cdced244f8e95f48582516faddffa236e339dd1f7657e11dfb58c58291d9831aa2623efdece3dcc46aca153b4e57a16a133999f28da427

Download Submit
/data/data/com.birixipawipejogo.saha/app_deer/GgrRP.json

Filesize
691KB

MD5
92087b393980072736731cb3b63444e9

SHA1
a8b3ecf1a6837dc3c5256de6c58c8ce0e17f0a74

SHA256
64efd537150f72dc67f26d6b74bd1b8f32bab097d9d3315e26f975711c7d84d5

SHA512
15bce7410bf4221a701608c092864d1a0b049afdf3345e84931d52bb3b99320e8e0138f77e8e1da900b79146d43b2e5cfef8914a2f5dc7fa52f8bc101cda6ad7

Download Submit
/data/data/com.birixipawipejogo.saha/app_deer/oat/GgrRP.json.cur.prof

Filesize
3KB

MD5
193958ea06f668f8b3bd5fdde889806f

SHA1
e5f99c3a1eb96c3c5e853d52e3a3449077052eee

SHA256
4cafd2a7f2c42845b055181cdac3626bf534782500e600b1058d38635d4be7f1

SHA512
1e880f1a9ed3fa2495f5055035a471e9125be88f10ac2ab4b9e6c3196dddcaf12ab142a3335686f498da3913ac73911e896d7fd9516aa0948e614234e142a96b

Download Submit
/data/data/com.birixipawipejogo.saha/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.birixipawipejogo.saha/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
437e8cb648d0fa6e22a3fd7f6542f42d

SHA1
f4eb472d269838d4b12a9d8e396ee9c4263a2783

SHA256
506efa2f3f047dea42a0dd761f878f18e97e4ba90952a1350e094d2940283e38

SHA512
8e1cd5b2b365b1e5f7a2bb3b82e99cf5deabd57aa9db3fc1bfdb6c20c7ee8494614a10e254ce1a502c9a3aa3f4d080f34f2f35f873f9e746fe252e7e0e286f37

Download Submit
/data/data/com.birixipawipejogo.saha/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.birixipawipejogo.saha/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
d8359148f7a4140069e7d648336e33bb

SHA1
fbc2ceb8dd651e19968b42050c70bcbc4a38c369

SHA256
336a42bda09211011d5b811034f6731b0549872a677ef4f291ef215eebc99ac2

SHA512
6c76a1fbb291df520297d56b997e96df86996651047193324ddf27d9c32c753f9bdf5ade8445bad970e72a0c1012b864c5e418eec10670a45e698b6a017f5820

Download Submit
/data/data/com.birixipawipejogo.saha/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
c53adfb556f38a210b81ed764f24f9ff

SHA1
ccfa8ee765da2a2b336aa759aab4a1ed0edba4c9

SHA256
96ec55289b0749771d6053bc2bb91745198deeff57040ecea507d608e9d63751

SHA512
8f663d0ff5679add211ca3118c292c4ca2f3b3b40a46da0c1072643d7be5d8184238af4e24506ca810bbf97f1b994d196a66859210d8f8fc3b607deaf7576a21

Download Submit
/data/data/com.birixipawipejogo.saha/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
1edac354ee795b909d6afd0390925bef

SHA1
ee719b898efbd20f7e7b391cb8b6184de1fa8e98

SHA256
1950cf2b55ea63ab333bcb6460bf9cfbc188830fcae356f47375a1d3e07a01c2

SHA512
4e9df3597efdb3f57b3f166790f9c013004d3852a5749936b9a2ab82bb9b1b8b428cfc3047cf60fc03783e49958ea6888899ecae1fc1089c7e47831d8d8260cd

Download Submit
/data/user/0/com.birixipawipejogo.saha/app_deer/GgrRP.json

Filesize
1.5MB

MD5
b51b60b32c871f75e77af3abce11369f

SHA1
1d9d4b480f041b9b62b2fa118eae7e83f3bd23df

SHA256
d8f110b3b4a6d3bfacdde6c373206f9d13c356b3772c29e0d416ebe24f9e7cbb

SHA512
a1dde66c9a1e9d0ee396828df68377bab3c63029f8b52549a8f63cf5fd68e1e4bf5036c5f8cd5b8e80f9e2551c915d66591550aba65bb5cb2a6c6beb3d9dfa2e

Download Submit
/data/user/0/com.birixipawipejogo.saha/app_deer/GgrRP.json

Filesize
1.5MB

MD5
40a06eba1bdf356d9df1593b3a4def32

SHA1
ed0920508acc5ccb0690dcf5b7e8df5e2b84bad4

SHA256
1feb5c0a5a8e13795ffaab110bf19524663b4eac43f7bd40a3a3769455e65cef

SHA512
e995367ac79b2738897f4d196a5865f6a5d3d76d8f15ea2c6db9e809a5593286c4faa951f25479ea24c0502a383a9aeb98af1548fd6027f4fcfefb2285182b37

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads