Overview

overview

10

Static

static

6

46e6950635...6e.apk

android-9-x86

10

46e6950635...6e.apk

android-10-x64

10

46e6950635...6e.apk

android-11-x64

10

Resubmissions

11-08-2024 02:49

240811-da8dvswaph 10

10-08-2024 23:03

240810-2134tsxbkc 10

Analysis

  • max time kernel
    150s
  • max time network
    161s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    10-08-2024 23:03

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Report Analysis Logs

General

  • Target

    46e69506350d4654dc3c9b1eab693e4a93d5a11b5dd152d3b46deadc94104a6e.apk

  • Size

    1.4MB

  • MD5

    eca3407f98415c4f08d658bd9d79baed

  • SHA1

    a1ed126ec9958155b412ed167595e7ae3be6244e

  • SHA256

    46e69506350d4654dc3c9b1eab693e4a93d5a11b5dd152d3b46deadc94104a6e

  • SHA512

    9d13611e58fe4a2efb5edef6f338683bc79fb28f061ce152a75ee72258a41273ffafaa40075c95d37960a11d47484af3c8cbb2c415cad9b82948322832a4d40b

  • SSDEEP

    24576:tzsb6yn1n28BlCg1RtpLdJe/Ffkhy9ZyR3LrSAKemosWhWmCp:mDn12wlCg95dJuFfxIR3LrSDemJWhLCp

Score
10/10
cerberusbankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceprivilege_escalationratstealthtrojan

Malware Config

Extracted

Family

cerberus

C2

http://80.87.192.227

Signatures

  • Cerberus

    An Android banker that is being rented to actors beginning in 2019.

    bankertrojaninfostealerevasionratcerberus
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • 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 the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Tries to add a device administrator. 2 TTPs 1 IoCs
    privilege_escalationimpact
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.letter.invest
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Tries to add a device administrator.
    • Listens for changes in the sensor environment (might be used to detect emulation)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4248
    • /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.letter.invest/app_DynamicOptDex/MwDOL.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.letter.invest/app_DynamicOptDex/oat/x86/MwDOL.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4277

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1626

Device Administrator Permissions

1
T1626.001

Defense Evasion

Download New Code at Runtime

1
T1407

Hide Artifacts

3
T1628

Suppress Application Icon

1
T1628.001

User Evasion

2
T1628.002

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

System Information Discovery

2
T1426

System Network Configuration Discovery

2
T1422

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

Account Access Removal

1
T1640

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.letter.invest/app_DynamicOptDex/MwDOL.json
    Filesize

    34KB

    MD5

    dae0a7305ee050e8ba05593dfcf8a8d3

    SHA1

    b3e251ef597107da4e4b4861a30f61387b7d7446

    SHA256

    4c08da0d06bcc2df265619b89139197ee51b94dc466099806f0fcaaea9373113

    SHA512

    d259e1ac4e8fec410158a3d824d8ce27b2dada69c720f37db5f93aa0680bba2c1b8b3359895b5968dff258981cf3a97ed6839d5915d2e14494b875ef5e2fa331

    Download Submit

  • /data/data/com.letter.invest/app_DynamicOptDex/MwDOL.json
    Filesize

    34KB

    MD5

    db9a9e711e836667210c404eb9c163a5

    SHA1

    7104e1b6db025089f3ce37d03c69d7b684a9803a

    SHA256

    5bf4fb9b417e56c4f1e80a7c498ef0510379a36d3ee62551579cf0cc7720c95b

    SHA512

    0d83f7d397bbd113635038a5b1e75f19715b46171659ec9e40bb588e0a4f7c755fada14ac709668d2c5a85e5b0bd09e64fe15a49e41578ae3a1b39b8e59632cb

    Download Submit

  • /data/data/com.letter.invest/app_DynamicOptDex/oat/MwDOL.json.cur.prof
    Filesize

    191B

    MD5

    707ab20a83e748466651a860bd86194e

    SHA1

    c68ba1266baaa9864f6d5beb5180e0404427897d

    SHA256

    4693ef6b29785b33266f6c7f267c81375e075c64d30a983d2d0651c3d4f9909e

    SHA512

    465a706b46a720f29b7fb7a2095beb7007a5f5849a3d51ec7dea9ea5f0411a5160a506ec877fbf98c8e0c39a176c6108808f9e5b9276808847a536626173a610

    Download Submit

  • /data/user/0/com.letter.invest/app_DynamicOptDex/MwDOL.json
    Filesize

    76KB

    MD5

    f65b9c2cccfe676d73f557a3f2d4cefb

    SHA1

    ba8ca12aded8667b7771af6230bce74b2d104cc3

    SHA256

    290fc2c6a696befeabb47b3b84cd2c00cf9a1ec520549f2ec33c688bc254b3af

    SHA512

    a5b0f6f604c11b84ca2add11cdd5c51bdf0fdf2d8208de26384440136e3760053afd394e7e1e0aeb177f7b09fb9b64fa4020a021f2f82020a8d9b409d3b319ab

    Download Submit

  • /data/user/0/com.letter.invest/app_DynamicOptDex/MwDOL.json
    Filesize

    76KB

    MD5

    262d9655c7d686d31b55aa1976061517

    SHA1

    5f6d350e5e6ae66afee5ddddf4aceaf5dcb8899c

    SHA256

    df1baa0be867f09df28532c5078b0c84f1f133e5b33182143f776ae3751779b0

    SHA512

    b660b7636b06b2aff6e4da60346424ba6902a3e247760e211f628b0ad582d36eff04acbba3e600442a0da57449316f458643f49ff34ce82f2cc8dfbe2e8aa16b

    Download Submit