Overview

overview

10

Static

static

6

4c3b45f4d7...6f.apk

android-9-x86

10

4c3b45f4d7...6f.apk

android-10-x64

10

4c3b45f4d7...6f.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • 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
    05-11-2024 22:00

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General

  • Target

    4c3b45f4d7b3e5a087c88971617d386463f43f9299dfa4c333b99b7f6cbfe16f.apk

  • Size

    3.6MB

  • MD5

    5d899314e391ca298d687f89c106aa18

  • SHA1

    47559285e4471a97c1117f422e7bf9e08e1e4d4c

  • SHA256

    4c3b45f4d7b3e5a087c88971617d386463f43f9299dfa4c333b99b7f6cbfe16f

  • SHA512

    ebb62deaf80a1957d7703b2dd26a0295de4036b0827d5606dde2e59411413357c94a0e38ad5a9ea4e93678ea9862f1c8e53f986eb2b798f6a5ab558ea601ea06

  • SSDEEP

    98304:QdjtcAbyPnBkfhlw9pdfVOuYd7weFJB5j+kuAtkdCV:guBk5lSCPFJBMkuUlV

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://154.216.17.184

AES_key

Extracted

Family

hook

C2

http://154.216.17.184

AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac family
    ermac
  • Ermac2 payload 2 IoCs
  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • Loads dropped Dex/Jar 1 TTPs 2 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
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • 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
  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • 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
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • 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.dehodigipuhixoyi.mafuko
    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:4356
    • /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.dehodigipuhixoyi.mafuko/app_shallow/uXpn.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.dehodigipuhixoyi.mafuko/app_shallow/oat/x86/uXpn.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4382

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Scheduled Task/Job

1
T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Process Discovery

1
T1424

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

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

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.dehodigipuhixoyi.mafuko/app_shallow/oat/uXpn.json.cur.prof
    Filesize

    3KB

    MD5

    84dc307fb006c210e58048f5df10bb82

    SHA1

    dd99b6ff0dabf4bd1ca78de5bfce1461baea43de

    SHA256

    e497c2b645377055ab743f3821d13924a5f19a0032cf42878b26afbceff59c10

    SHA512

    f9899e63115c6756edd0f8ec2a5e4188116f0b53681b39535875409295e72bf5b71b2b9bfbab0ba57a6567350c90757657391907b3c8f08982cc8f90aee7ed42

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/app_shallow/uXpn.json
    Filesize

    735KB

    MD5

    d90d6d3b487723f6916d6d0595b77ab8

    SHA1

    4a2cbbf56cc0c6012df01479d179b9749b26be71

    SHA256

    aa93450dd3954f8416d486afac26396afbb8d35c9126039113526b878265d51d

    SHA512

    5c383e703711086358361b7880e2cd06eda17671a5fe1868ae91db78e132801983d800c3a8ebdacef1625f2443e9451858cc97779ff0d4f46ab1428fa9ed1071

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/app_shallow/uXpn.json
    Filesize

    735KB

    MD5

    7e85c85ebedc4a75b1bc1f8e79e045a3

    SHA1

    dd6426c137c678181f70f05e51dab24777775d55

    SHA256

    c0e433e2758699f5d93d77e1100d010d0881910fdce84a49e54cbe4eee63df46

    SHA512

    9bd6e343afdbf9346487fa35f543de0945c21b98bc209afcd54cf7aa5b2ff1bed1c8374ea0dd3679b80357a3e86322a39688ce2cc47ff39c04b5e788d4df5d13

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e05292601c6083da46e731bc7a4b993b

    SHA1

    157bd776e984b6d1a358da571a453a2f677825f6

    SHA256

    746204b85a2812fd8bef7869a99561487ea4cff5e7eac1ff7b1c7fc9b80e09a1

    SHA512

    b518d0ada75d9a445237c8921f277f816d6131a7ddd8642923e8672aa247dd4b66d87bbea86c3b32d7a216191b0ebf725a094b7be1be1bd55547a311216f579c

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    3b4ea43c4782576ae9c38f03d72eb010

    SHA1

    cbfe78b3248e4c150c73323f70676d6027598e0d

    SHA256

    71ed67f7f0e6a066ac3d04311c46552bd82ca412a4f1a9ab8ed1c2dbb69f75a2

    SHA512

    14295f121ebf8df784f6c7da0517c23b58594e43c9b411d21797605e53de959374cccdd8fba1361d73f46ce3745fa85ec3020d54a7640634186de4550100807e

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    4d4ff6f257c27da93271d0293503ea2e

    SHA1

    847108aaa8d6e14ec69788c614e4108ed79ba963

    SHA256

    62627acff2ba26da554c3534187d79b45731f36594fd3073035385522450e9e6

    SHA512

    6400cdc2ae6e16c07884e4afbdbca42c371e6199734b1f402f499127c22d6f53d1ad4df6ef175466efd72b482c4ddad95dd7786c74e9c81460c0a17d5fc5e86d

    Download Submit

  • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    b43ddedf0e869a872352aecae561bde6

    SHA1

    f3c14c73b6ff0a33f293a61f4375d59fcb5f086e

    SHA256

    fdb1867074b81fb9b6495f2e110be8df7a6d36c22fbc4e701ef1cc30153fb547

    SHA512

    7c51232c3c2f44266ee1335888ab0f3749dd2db8134c587fd0a49877b855a4896dc5f200f4abbdaafb21e81eb2b653b56101aba57fb728e7db531aa456436043

    Download Submit

  • /data/user/0/com.dehodigipuhixoyi.mafuko/app_shallow/uXpn.json
    Filesize

    1.7MB

    MD5

    91e45faa012d1fa979124c41720bbdd4

    SHA1

    d97f9c0dc9254879a736bfb1b49294446576a8b9

    SHA256

    bd04feb2a535d1e34fd2510754332f6ab1a37d4475329b98bc0ce3f1af163316

    SHA512

    8dff4f7699e5b520622230f195843c7d8a4c6a1696574cece60324b84722c0d5f5c95d544f01d22bea54e98618a32341c2b6b658651f11cfbdeaac88b1df695e

    Download Submit

  • /data/user/0/com.dehodigipuhixoyi.mafuko/app_shallow/uXpn.json
    Filesize

    1.7MB

    MD5

    11ba82f4fc0fb5042f74ddfcbcdb790e

    SHA1

    45c1c35684549c9e124600a4afc0ec6cd9cc76c4

    SHA256

    c739b10d939339f610e508362fd6be9219b7e7502350a5641fac32312d61744c

    SHA512

    d15aa41c47cfb973a515e9c03e56397cf57f1fc1d4d79c4942bcd1c28264daded1ff6ec1d9108871c7a017e9fa603f7f61cfee39d586a9cac7b5c81d5c4e940d

    Download Submit