General

  • Target

    Peki V4.exe

  • Size

    548KB

  • Sample

    240425-v6tzsadb85

  • MD5

    3d3e8bc1bd5265a4f35da0b594d60fbf

  • SHA1

    27ae0bb3399f9178f272258a4a9153d5af6aea56

  • SHA256

    2ba3caaba8ddeae1e33ec188c3c4ae322b856b44e0caabeb8909c661c668e6e5

  • SHA512

    d41707d765f93b0790887a1351c72584356146c1d02e8fd1009739404d34b329d6abb538e1fd9f28161ed0e229a1259460655232676109f081cc14a0022f2b05

  • SSDEEP

    12288:TTPUCQSmbfMcsgJqyE/KWcRTTjyRrh3sb3H:TTPLmrMZ8WcJHyzcrH

Malware Config

Targets

    • Target

      Peki V4.exe

    • Size

      548KB

    • MD5

      3d3e8bc1bd5265a4f35da0b594d60fbf

    • SHA1

      27ae0bb3399f9178f272258a4a9153d5af6aea56

    • SHA256

      2ba3caaba8ddeae1e33ec188c3c4ae322b856b44e0caabeb8909c661c668e6e5

    • SHA512

      d41707d765f93b0790887a1351c72584356146c1d02e8fd1009739404d34b329d6abb538e1fd9f28161ed0e229a1259460655232676109f081cc14a0022f2b05

    • SSDEEP

      12288:TTPUCQSmbfMcsgJqyE/KWcRTTjyRrh3sb3H:TTPLmrMZ8WcJHyzcrH

    • Cerber

      Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    • Nirsoft

    • Modifies Installed Components in the registry

    • Stops running service(s)

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

3
T1120

System Information Discovery

5
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks