Overview

overview

10

Static

static

3

8d2c54fece...aN.exe

windows7-x64

10

8d2c54fece...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8d2c54feced81edaaef3a0788cb4dfc76278ebd3b54328e8c09d0eb3f7cf8d9aN.exe

  • Size

    114KB

  • Sample

    250119-yvvcystqhr

  • MD5

    cc26122da6d0bf10d9da2255237c6da0

  • SHA1

    07e38362aa8a166d89f7cf2566b9680165041848

  • SHA256

    8d2c54feced81edaaef3a0788cb4dfc76278ebd3b54328e8c09d0eb3f7cf8d9a

  • SHA512

    dd6e42fbe355ff8d4302920ab56b0e870618302986f25cbc42acae90163ea5810e284447611f17c95a2163275a9efb70f697690fa8cc9cbaae213abf5676e4a3

  • SSDEEP

    1536:UpO1EksQRjv9qxgfOt2B8YQaXTRtLK+3STKx+3Py0KZGqNC03f3sdAymXFzgt1fu:UksQRfPpQuF4BOoTjcIDiFC1fIf

Score
10/10
floxifbackdoordiscoveryevasionpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      8d2c54feced81edaaef3a0788cb4dfc76278ebd3b54328e8c09d0eb3f7cf8d9aN.exe

    • Size

      114KB

    • MD5

      cc26122da6d0bf10d9da2255237c6da0

    • SHA1

      07e38362aa8a166d89f7cf2566b9680165041848

    • SHA256

      8d2c54feced81edaaef3a0788cb4dfc76278ebd3b54328e8c09d0eb3f7cf8d9a

    • SHA512

      dd6e42fbe355ff8d4302920ab56b0e870618302986f25cbc42acae90163ea5810e284447611f17c95a2163275a9efb70f697690fa8cc9cbaae213abf5676e4a3

    • SSDEEP

      1536:UpO1EksQRjv9qxgfOt2B8YQaXTRtLK+3STKx+3Py0KZGqNC03f3sdAymXFzgt1fu:UksQRfPpQuF4BOoTjcIDiFC1fIf

    Score
    10/10
    floxifbackdoordiscoveryevasionpersistencetrojanupxspywarestealer

    • Floxif family

      floxif

    • Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

      backdoortrojanfloxif

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects Floxif payload

      backdoor

    • Disables RegEdit via registry modification

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

4
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Network Service Discovery

1
T1046

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks