b4b2c08d12d3479a71cf784d52a8bba36724b82c20ae035fc42f21bcef4e7359 | Triage

Sharing

General

Target

b4b2c08d12d3479a71cf784d52a8bba36724b82c20ae035fc42f21bcef4e7359
Size

1.2MB
Sample

221130-2x2ftscf77
MD5

b281e015b0835d2dad9ca7c7fad658b1
SHA1

69cda730f56ef49082e54873e4ead849345a016e
SHA256

b4b2c08d12d3479a71cf784d52a8bba36724b82c20ae035fc42f21bcef4e7359
SHA512

8424525867dc01657c6b084c3743d68bc12e6ed58f99a352a103accbe586f1893c77b3f9ea992b63ba191233fc65b7e758fd438c2f68823bc572dc57ee611264
SSDEEP

24576:MIylj5T2b/HV4ygVYmHr3BvjfgqUoh2YLTGV0RQxgWMmZ1TncmdCs:MIyf2b/HV4ygV7VvjfgEZLT7RQyWrTn/

Score

8^/10

bootkit persistence

Malware Config

Targets

- Target
  
  b4b2c08d12d3479a71cf784d52a8bba36724b82c20ae035fc42f21bcef4e7359
- Size
  
  1.2MB
- MD5
  
  b281e015b0835d2dad9ca7c7fad658b1
- SHA1
  
  69cda730f56ef49082e54873e4ead849345a016e
- SHA256
  
  b4b2c08d12d3479a71cf784d52a8bba36724b82c20ae035fc42f21bcef4e7359
- SHA512
  
  8424525867dc01657c6b084c3743d68bc12e6ed58f99a352a103accbe586f1893c77b3f9ea992b63ba191233fc65b7e758fd438c2f68823bc572dc57ee611264
- SSDEEP
  
  24576:MIylj5T2b/HV4ygVYmHr3BvjfgqUoh2YLTGV0RQxgWMmZ1TncmdCs:MIyf2b/HV4ygV7VvjfgEZLT7RQyWrTn/
Score

8^/10

bootkit persistence
- Executes dropped EXE
- Sets DLL path for service in the registry
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitpersistence

behavioral2