ermac | 154431d6a6322ac15d65e4332bda75568df733cdece18785c909b52a590a0784

Analysis

max time kernel
14s
max time network
154s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
19/02/2025, 22:06

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General

Target

154431d6a6322ac15d65e4332bda75568df733cdece18785c909b52a590a0784.apk
Size

4.4MB
MD5

332a3b72266bbdb8416e2c87d4f04355
SHA1

b7bb163b9230130c366fa9a4d6314c9e533ece8b
SHA256

154431d6a6322ac15d65e4332bda75568df733cdece18785c909b52a590a0784
SHA512

0a44a5a5372e60f9d921f4497c0d8059be4f542b59963c336ed30ad14953d760a19fa28f76731e1824d6ec3eecd5eef7dfe8a2118ca236b4364fafb45908ede7
SSDEEP

98304:TxOg9IERyVt/jiRxYCE45QhDVOFfXTceXg5mphTbjD2odFG:If/jiXYC/SHONXAD4hTPpzG

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://sdadfvcacdeadasdfas.pro

http://sdadfvcacdeadmsaasa.pro

http://sdadfvcacdeadaaaassf.pro

http://sdadfvcacdeadvadasdd.pro

http://sdadfvcacdeadcxvzcxzzx.pro

DES_key

AES_key

Extracted

Family

hook

http://sdadfvcacdeadasdfas.pro

http://sdadfvcacdeadmsaasa.pro

http://sdadfvcacdeadaaaassf.pro

http://sdadfvcacdeadvadasdd.pro

http://sdadfvcacdeadcxvzcxzzx.pro

DES_key

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/files/fstream-3.dat	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.aohnkabbk.duknivlat/app_dex/classes.dex	4969	com.aohnkabbk.duknivlat
/data/user/0/com.aohnkabbk.duknivlat/app_dex/classes.dex	4969	com.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

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.aohnkabbk.duknivlat

com.aohnkabbk.duknivlat
1⤵
- Loads dropped Dex/Jar
- 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
- 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:4969

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

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

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

Clipboard Data

T1414

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Replay Monitor

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Downloads

/data/data/com.aohnkabbk.duknivlat/app_dex/classes.dex

Filesize
1.5MB

MD5
c7280227779a391d948b9691926e70d2

SHA1
02051795bbe134323181dec8840ef73f58321423

SHA256
204f0c8732e08a98111e96655f3cb842aa5d83399c164f6c62af0d53c761512e

SHA512
61e50da13b47e5343eef8066cf9da17418485feeabb7748935a7176df6c29d6d516863ca4eff064b523e0214576faffe24292b1c899ea59a2ce579ff873a0497

Download Submit
/data/data/com.aohnkabbk.duknivlat/cache/classes.dex

Filesize
678KB

MD5
76f224b40524e74d6c9a95f9b1a5ff25

SHA1
dc9406d64f28054c1b3affe3308bd6ff5fb939a3

SHA256
9301949b11a271ca0e72252f8b86b56b5ccf38459ff5d22a03c6710319fcf7d5

SHA512
ec07dac3510757bed0289b84f7dad8a261c7891be0d86a8233bb76dad90060e9d572d2f777731f6f4e16dd4b3b66dbd5178ec8a8dd70139d06e6962c4fdf4705

Download Submit
/data/data/com.aohnkabbk.duknivlat/cache/classes.zip

Filesize
678KB

MD5
67e2b65d66d6c91f41cb3df7534fcfcb

SHA1
5a93977bcb83e8079624262d771bcbed569857a5

SHA256
636a2e4086afe45cffbcd30bb3d6404c6f0baedd312bb35f34f4f23659be5743

SHA512
dc25b9f6c56be4b50481d0b0696a258284b8e98bb7385ce022a40e720e2fcb9ce21abf755322b42600f6360b4dd8248dd2820131e3512eee963437749a612585

Download Submit
/data/data/com.aohnkabbk.duknivlat/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.aohnkabbk.duknivlat/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
70c00fecff1d355bbaa9dae06fcf1408

SHA1
d338528a458302021c6881432b554cfbd06e264e

SHA256
578cac1475e27e9472d4b44307abd784e26850a5ee013984c585e338af10d663

SHA512
a49c6f647247e24a86e53788d1459a1c5e9727b1f4c8d324204045890e12fd9b23c09c419b802141deac91bc331011bf5e5b2e16aa31e389f5444e8c686dff21

Download Submit
/data/data/com.aohnkabbk.duknivlat/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.aohnkabbk.duknivlat/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
c9ce08d1b043a818c453f6da94c0da92

SHA1
7561133185099184b815e39ea0856935db214414

SHA256
c930d0a5ad738e4be8d3a3faec013b441a5e9e20908b35fd9aeaa37c3416afb2

SHA512
76532b9c2c53b5a2fef04d48d0c17d82f404bb13cd1bb21d30edd8f9237a69d50368f87ab135a2416331457af434a3d5b9382fea54b57677de962135c6dc2846

Download Submit
/data/data/com.aohnkabbk.duknivlat/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
0acbedbceb48851e19bbe930174b2f9f

SHA1
adb80c10e5f1bb0cbc3716c3f12a3d7d8b649316

SHA256
f464874d34100d16b94c3437def75b5724aeb759a4a660c4bb113f0c4945d34d

SHA512
8298aad1fee79be13713a18759398c5050a3fc9c38bdd36d17c0132c8ab863ef5ae26a1a50602c7a890414d580e74fa843ea4501395436a25b2652744d66f35d

Download Submit
/data/data/com.aohnkabbk.duknivlat/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
c75abbf54144653ed4efd454d2ea6d20

SHA1
d33a22b97b9d1e5ed4a33c9dfedea3d5985cf5c5

SHA256
802a603e679a519d23599a5ed89c8d154f2fa00c3547937961e8986f8851f6c1

SHA512
b4c65a4166fb0b08101756ea7d7adb5121ce2e8a65063b06944ab55ef7f8e3a73a78f3c33f40a116e6a10aefe55a53462a49e2cf5743b6d4ceb68a3d5d2eec1a

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads