General

  • Target

    996f3a9bdd016b9fb9926bcb01a4b3e91f181fb5dba177ddc92e02f31d3dfb8d

  • Size

    668KB

  • Sample

    221128-k7bvgsca35

  • MD5

    38576f4e6bb6babc2f6c2b70df7a1cdb

  • SHA1

    0c7433340cf4f7967ebf3abbb97b88f22811e199

  • SHA256

    996f3a9bdd016b9fb9926bcb01a4b3e91f181fb5dba177ddc92e02f31d3dfb8d

  • SHA512

    d031e2d415e4c211c1f176b8afe756cd8317bc68f44e16fc3346b27a15bb535c4a20d3ab223f7788b0126ecc0cdd705c9db1de0b1778148adfdaf67a9b393e37

  • SSDEEP

    12288:ME8rjoDsSbgw5B7ijMwE3872MFnEMUAPUVqzPTcSgrbq0EuawvU21X5rYkO:MVogSbjB7ij7EIFnmA8qEStBY9mkO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    preston99

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    preston99

Targets

    • Target

      iROBUX.exe

    • Size

      692KB

    • MD5

      f5a4cfa487cf9b551c5e5227c1703dff

    • SHA1

      eadfe6328dc2e183fcc85cc228d58de5e8876e37

    • SHA256

      1dd3dd08dc740fc8a12a19446f140e8b43adce8d3e16b4116e9cb8bb36bae2b5

    • SHA512

      149af066b63c062daffadb6f7df2cf1b4c038a342699ba46bcf1e10bf4375ae88cbcd2625647afa88931027637a4c6a28a1058e3a1e439b5616717d35b75e41d

    • SSDEEP

      12288:4QtqB5urTIoYWBQk1E+VF9mOx91wXRbsTy:4QtqBorTlYWBhE+V3mOSbsT

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    • Target

      readme.__________txt.exe

    • Size

      544KB

    • MD5

      833d9ac9077ce6415450e05a3ec20f14

    • SHA1

      887ec9ff2fc9d4cc8223277d0348e7f7f51d0c88

    • SHA256

      744df077822f8801d301ac27ef90c2249e0f04049bfbaa8abebc47dc168951f0

    • SHA512

      ad5e758fdb547bf67249742113f05c3a7b93a53e14c2c0f06c368b3d657fd6cb525b41e96d7817e3654eb48f3c0d6aca59837ebd69b7f0749b211a9a92d14de2

    • SSDEEP

      6144:cu+GnD5bS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9ni:1QtqB5urTIoYWBQk1E+VF9mOx9nw00

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

2
T1064

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Scripting

2
T1064

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Email Collection

2
T1114

Tasks