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Overview

overview

Static

static

b4cfc91769...9a.exe

windows7-x64

b4cfc91769...9a.exe

windows10-2004-x64

Sharing

General

Target

b4cfc917699406360d986d7c44d4f58f08b549528c81add2834f17970ce7e29a
Size

212KB
Sample

221002-a2zz1sfddq
MD5

7267c79c98b4302c237d622cefac81e5
SHA1

76492797a0681bf31a3f421d19c206fd8246e737
SHA256

b4cfc917699406360d986d7c44d4f58f08b549528c81add2834f17970ce7e29a
SHA512

8928bc6b47923672c143bee50fb007b78563bd709e71a7e4071822e9775110d1aff780b42846c4dada63fb3eab488d31e14a1a1fe5426244ec605bccd2f4691c
SSDEEP

3072:AvCh2UjpESxFd3MiaDN/bG0sCOL5pNk+ZxDn/Sg7:oOFd3MiK/SxCOL5pDr

Score

10^/10

evasion persistence

Static task

static1

Behavioral task

behavioral1

Sample

b4cfc917699406360d986d7c44d4f58f08b549528c81add2834f17970ce7e29a.exe

Resource

win7-20220901-en

evasion persistence

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

b4cfc917699406360d986d7c44d4f58f08b549528c81add2834f17970ce7e29a.exe

Resource

win10v2004-20220812-en

evasion persistence

windows10-2004-x64

8 signatures

150 seconds

Malware Config

Targets

- Target
  
  b4cfc917699406360d986d7c44d4f58f08b549528c81add2834f17970ce7e29a
- Size
  
  212KB
- MD5
  
  7267c79c98b4302c237d622cefac81e5
- SHA1
  
  76492797a0681bf31a3f421d19c206fd8246e737
- SHA256
  
  b4cfc917699406360d986d7c44d4f58f08b549528c81add2834f17970ce7e29a
- SHA512
  
  8928bc6b47923672c143bee50fb007b78563bd709e71a7e4071822e9775110d1aff780b42846c4dada63fb3eab488d31e14a1a1fe5426244ec605bccd2f4691c
- SSDEEP
  
  3072:AvCh2UjpESxFd3MiaDN/bG0sCOL5pNk+ZxDn/Sg7:oOFd3MiK/SxCOL5pDr
Score

10^/10

evasion persistence
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Adds Run key to start application
  persistence
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistence

behavioral2

evasionpersistence

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