73ab9431ef852a60beff40b8282eaac9ccd1c1126b10a0dafe49d35ddc137e8b | Triage

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Overview

overview

Static

static

5

1c55579fba...b7.exe

windows7-x64

1

1c55579fba...b7.exe

windows10-2004-x64

Sharing

General

Target

1c55579fba779fff56e3d3129d77ceb7
Size

512KB
Sample

231230-zr8xlsaga7
MD5

1c55579fba779fff56e3d3129d77ceb7
SHA1

6d814bad51f88934af8eb1d7a4b8c08625afa045
SHA256

73ab9431ef852a60beff40b8282eaac9ccd1c1126b10a0dafe49d35ddc137e8b
SHA512

3b76dfc9ed7feefc3fa29bb6c924f5481144f223a654b6e0f869d31d39213750013c260f1015e732c7051160480844a384898245b7e80888be402ae37db030ba
SSDEEP

6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6d:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5G

Score

10^/10

evasion persistence trojan

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

1c55579fba779fff56e3d3129d77ceb7.exe

Resource

win7-20231215-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

1c55579fba779fff56e3d3129d77ceb7.exe

Resource

win10v2004-20231215-en

evasion persistence trojan

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  1c55579fba779fff56e3d3129d77ceb7
- Size
  
  512KB
- MD5
  
  1c55579fba779fff56e3d3129d77ceb7
- SHA1
  
  6d814bad51f88934af8eb1d7a4b8c08625afa045
- SHA256
  
  73ab9431ef852a60beff40b8282eaac9ccd1c1126b10a0dafe49d35ddc137e8b
- SHA512
  
  3b76dfc9ed7feefc3fa29bb6c924f5481144f223a654b6e0f869d31d39213750013c260f1015e732c7051160480844a384898245b7e80888be402ae37db030ba
- SSDEEP
  
  6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6d:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5G
Score

10^/10

evasion persistence trojan
- Modifies visibility of file extensions in Explorer
  evasion
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Windows security bypass
  evasion trojan
- Disables RegEdit via registry modification
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Windows security modification
  evasion trojan
- 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.
- Modifies WinLogon
  persistence
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

evasionpersistencetrojan

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