ermac | dadf2f59ba0336e468370144affe3ac67c26107ed1d596acb9cf35956a56c1b9

Analysis

max time kernel
149s
max time network
180s
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
19/03/2025, 12:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dadf2f59ba0336e468370144affe3ac67c26107ed1d596acb9cf35956a56c1b9.apk
Size

1.7MB
MD5

8ac1d0861cbee7940253e4b8f0a1784c
SHA1

d93270a4ed0b73c1c9de5250aa6b59277ebb228b
SHA256

dadf2f59ba0336e468370144affe3ac67c26107ed1d596acb9cf35956a56c1b9
SHA512

168c8070a103a3c8bcfbe8a4fbcbbb35a0769634d23ca922d3b0e5dd8d02d61d5220a01e6e6845b97b26aaa8a4ca28f80ff6659459abfff7c0c6c63450a9225b
SSDEEP

24576:9lkEBm5zFdCJ62zpHAB4ZAbZOtLEZL2ELlKVm8t9RVxtcbifJiVkggSRvb:9lkyOdozpW9bZkkLlWm8DRKbikVdgS1

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://154.90.62.12

AES_key

Extracted

Family

hook

http://154.90.62.12

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/4798-0.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.tencent.mm/[email protected]	4798	com.tencent.mm
/data/user/0/com.tencent.mm/[email protected]	4798	com.tencent.mm

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.tencent.mm

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

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.tencent.mm

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.tencent.mm

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.tencent.mm

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.tencent.mm

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.tencent.mm

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.tencent.mm

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.tencent.mm

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.tencent.mm

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.tencent.mm

com.tencent.mm
1⤵
- Loads dropped Dex/Jar
- Obtains sensitive information copied to the device clipboard
- 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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4798

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

Hide Artifacts

T1628

User Evasion

T1628.002

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Discovery

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

Loading Replay Monitor...

Downloads

/data/data/com.tencent.mm/.google/libgooglev1.so

Filesize
326KB

MD5
609a5b818ea46513fe8dae39bc138727

SHA1
34458ea3b8537fca43efe8e3ff488ed9c83a56e6

SHA256
48f6991213387355b1a17e11124de4f0923944c3f2c4869e06fc96a742d9cd49

SHA512
9c06c480633d6449532f45c70d71866389a8d1ed6eb1cb9621a3a59d2542fe0a8cb911de92d148473d24af47f548a1321ddef09423cfe831a34c6cded20cd57f

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
590d5237a84c452f21147881aa7293cf

SHA1
2e1ed44f7f59852974880c46e96329f602261925

SHA256
562861245f08d7bd712c0250954d56cae0a170c32462a5f2ebb359f21c8ed5c5

SHA512
530f1c1286410a383e5d1744380c961a8809744783c462f2810d787555a3e541320bda59b9029f3e598da7a04d81e32032207fcceae21f62c7d3132a0f9ebbc1

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
04f258d10faa5a04807f91e83f31ee23

SHA1
700d1f91b52e796647421a05d4a81c553d064289

SHA256
de18d072c74d09beade7e43672b4559d44ebc023eb71aa0f562de2da92613f18

SHA512
5da076096ecb49cbe72a143093d99ee89b0806a176b47720f33c9b29b4d7e791407d24c088992e753c75ba96cef8eede9ed46e6df0fad98d8ddcab9010d8fa18

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

Filesize
112KB

MD5
67b4bc81dcb6cbc06241f17dddf4ee4a

SHA1
f2ad1c3afd0aa5078a39dfd7b45a674092da92b5

SHA256
0f83d70e1668a03ca118ec8c2a44f470d0c9c8b6df86c4fddf0b7908782721d5

SHA512
00dd121791f63b48f025fe284d7dfece51cdd0a7dd104b42fb24e9a19156ffe13174b0b6a95a8debcc432be85a8ab15dcfe303034caba79b15efb6ffc93cbe8b

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

Filesize
177KB

MD5
d8828f2577c277a543f7c5ecf3e6b974

SHA1
57b2a0f223934334ad6839d0f786cd092ff60b76

SHA256
c4f6ec4b244fb044bdc4e57b4c2fc4c84533fbdd40d6ff24fe81f3d63000d61f

SHA512
1b4bc9e32244e961f22b7ebc6d67a26e157eebc2b1d21903d47074f6769af4957de10d7ca8461a76ccb5897f02e5d6b749759fec033c608f2137ce754ed389de

Download Submit
/data/data/com.tencent.mm/oat/x86_64/[email protected]

Filesize
4KB

MD5
5b335b2cf5c2140e0cb3d574207304b9

SHA1
2172ff92327c3ac72dbd23273c978a29076d7ef3

SHA256
58286cc601f4d95c0bfc39c2800b96b89aa7b268378dfcddc7ea05faabdc2a71

SHA512
fbc41f82352744555ef40802298d2a3c8843d8a066225ec827d1c95db33578d02d5866c9982604172a437fb37402bf7c8885909691b904bad0f5c70a8b4716c7

Download Submit
/data/user/0/com.tencent.mm/[email protected]

Filesize
2.0MB

MD5
40cb56a4d76414296a84bfed60b6c127

SHA1
6b2a5132dd77022708b2b9959737f8377a93a465

SHA256
9364ddf46fe1bf90cebac61bc7cbba8707de8158ce444a8fb43220dd50d0699d

SHA512
ea743dbf8e188e17589a443c49bbd07d5ebef8edd8a02b40f32bdd9fdbfcdcc63e298f6c4cbd27cfcd9033fc9382b30b0c5fec3e60e400f2dca34a40f5815a02

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads