Overview

overview

10

Static

static

6

f5b14d5b06...e2.apk

android-9-x86

10

f5b14d5b06...e2.apk

android-10-x64

10

f5b14d5b06...e2.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    29-09-2024 22:05

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General

  • Target

    f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2.apk

  • Size

    2.1MB

  • MD5

    32c53b6ff8f3f834e554321b385810e5

  • SHA1

    b3bd943262572ce0705fc8e478cacaa5bd62f6f0

  • SHA256

    f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2

  • SHA512

    8ee411658b8e92adabcbdfbf614caeb93f89151468d1669228415852bb909180dbd4982773d5cf0926c24f7ddbfc8f6a6b9931e321c9b049d75c41540f333ca9

  • SSDEEP

    49152:zkM0799ib9i7ARHg8nCUpUm4g6XGv8pyw8hrHYxEtFlL2:wM07uUuCUWpsA+hLYxEtFc

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://91.215.85.23:3434

AES_key

Extracted

Family

hook

C2

http://91.215.85.23:3434

AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac2 payload 1 IoCs
  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Loads dropped Dex/Jar 1 TTPs 1 IoCs

    Runs executable file dropped to the device during analysis.

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

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • 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.

    collectioncredential_accessimpact
  • 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
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • 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.

    evasionpersistence
  • 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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • 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.

    executionpersistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.wiwolasamiwa.remamiri
    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
    • 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:4495

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

Foreground Persistence

1
T1541

Scheduled Task/Job

1
T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Clipboard Data

1
T1414

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Process Discovery

1
T1424

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

Clipboard Data

1
T1414

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Data Manipulation

1
T1641

Transmitted Data Manipulation

1
T1641.001

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/oat/skOQy.json.cur.prof
    Filesize

    3KB

    MD5

    e23a3361cde1fc977832d55c589548db

    SHA1

    d06d5a393b57d707cf66d5265946a8e8bb27e2c5

    SHA256

    05214eac541f91cbfc91920657c21ff454f10892d23f08cc79e4494e2baeda91

    SHA512

    1b5b7f2a7c2e461361dc943052fb81ea705810cb7f4092414d94f94536c3050c01742a1c15f6531e96f300130c5e14e52c62fa2d9cd7ed4998e0241e640d8386

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    674KB

    MD5

    1430239d90c4327ed144c387eda34855

    SHA1

    603a1489f4c358b8bf87cdc74660e4a82b869c09

    SHA256

    f37b8b5f098f87294442ea894a3fe91043bfed45678540bf0fe38aa80c2bc983

    SHA512

    c75c0c5c485da5756bd2123fe0655a5ccfab46965b22d31ab6c96c20bf98aceb7f9035f75d993e0290f3e691b584398143f3ee362400c92ecf055143ea0a0fb9

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    674KB

    MD5

    6fe1776cd523d56d09d0d5d78751492f

    SHA1

    0337efc5a8b75a1884a9d0aa351548ef815a6707

    SHA256

    6f2eeb8cc392ca49f02d14b875687b5046162a3846b70552e65c46e0dcf0a3e9

    SHA512

    a609e48e625ef3e61777b68971eb299696a46aeb1260413d13bff77e7ac2f19aa7f4f68fba3f5a65d1cc58d36dae8af7b056f5b9c25db748b4a6ff110846ab92

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    1.5MB

    MD5

    342a8740740fb866f441f4e1e6c5c66a

    SHA1

    172073e7d97a040025fd2a80ebcfde7b7b65a573

    SHA256

    264d2ce4a7c6c59353086bc006d0c7cfecdedc2d2926711cadd1543762991581

    SHA512

    640726dbe29200cf7f5daeab8d678e2664f9e672d746f630ca5aab76d2d4e189e5bdbb2552f5650755694e744d7f310418ab30eab1ebe3cc01f7d6c4ea177461

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    1b20a0474772c4b4b994c5f58b8a31ab

    SHA1

    1e65083f6c7f41677079c33bbb4041b40285df09

    SHA256

    aa661fbc3fcc43f9dcdccbb59a54325f4d94ec526277801a0b60c980de17d9d2

    SHA512

    ca538ec1648d713c7f2ab82d49e5583a09e4bb8ecf1a96a9c984350871b3b6df2014cbebb757f692ca20d9e5ba0b60571e73b398576f840b84fffdbaf2d9ba11

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    a022b20f44d1f613d57d53578f762dd8

    SHA1

    2ed1093039dfdfaa018b55ad2ac54593287df347

    SHA256

    30058070b5e8fe1292b15ab1f52b6d3df75bb613061563724a009a4a6692002c

    SHA512

    58efb2138ccd198f0695aa1ce4b05b744d8f81b928b36a89e31b3a93c6fe483777f79f4706f465de97ec0543f3af594deaa19ad8687376559e375bb677559205

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    46d6a0a18b28bbda544ed21d728b5c00

    SHA1

    36ba2fdfac5f2a20bae614930f3951933d4294ab

    SHA256

    bee284fb97786f925ec02991fa03b579045110d01a11c6a9948db1bfe502d360

    SHA512

    7e4547386971ee5aefef050fcc834ab1ce55f01510995935a5e3678211612afdd84becb759393483bbbe3e0cfb319ccd0689584256955ce6b6dcfc1eb38a2418

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    f01bd91412893c7f432951b309c21f78

    SHA1

    66dc44877a598a1a5149cb0b9d613a4e670ebf4f

    SHA256

    69ac400485dd4e0179118873557d0235d027d9764d191a5dbaad554d9af0c9b7

    SHA512

    440ca4d3d282300a2c8e408896b98783750ffb7b404837db805ae5e507319bab8168d84cc18c74456fcbd830982e07a8cf8db5973ed920fb998720929fc50a92

    Download Submit