General

  • Target

    c5fbec8e17496093fe2237baf0b6c1fc257f97232e9178f9f3abea03c85a8acd

  • Size

    494KB

  • Sample

    240617-ch532azanb

  • MD5

    b159bad9460e65880396584f046214ec

  • SHA1

    ecb5feeab2c2cb16a1fc9a48f915c264bd5fe047

  • SHA256

    c5fbec8e17496093fe2237baf0b6c1fc257f97232e9178f9f3abea03c85a8acd

  • SHA512

    f1e3cfa4a642b9eb71731d842ba3944d96739781c5d70c64bc72bea20287bdc793d9e058ba507a5b912e5730345e152a686ceceb50c54bc5f1a98b384e0c5c9c

  • SSDEEP

    12288:EQgp/NfS9xBbGvdY8SMIQc2kFEm8R2NSh:7s/lS9DG2pTJF42Qh

Malware Config

Targets

    • Target

      c5fbec8e17496093fe2237baf0b6c1fc257f97232e9178f9f3abea03c85a8acd

    • Size

      494KB

    • MD5

      b159bad9460e65880396584f046214ec

    • SHA1

      ecb5feeab2c2cb16a1fc9a48f915c264bd5fe047

    • SHA256

      c5fbec8e17496093fe2237baf0b6c1fc257f97232e9178f9f3abea03c85a8acd

    • SHA512

      f1e3cfa4a642b9eb71731d842ba3944d96739781c5d70c64bc72bea20287bdc793d9e058ba507a5b912e5730345e152a686ceceb50c54bc5f1a98b384e0c5c9c

    • SSDEEP

      12288:EQgp/NfS9xBbGvdY8SMIQc2kFEm8R2NSh:7s/lS9DG2pTJF42Qh

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks