General

  • Target

    f59ced4cb1fe18a94e6640da8e12dce820a2a921367f17d8ca64be51f151d07e

  • Size

    780KB

  • Sample

    230129-1c5r3sfa3s

  • MD5

    84a5d4f71651972eec48a1f428df8e15

  • SHA1

    2926d1fff5994d2254693c51fd3a70206b7f3a84

  • SHA256

    f59ced4cb1fe18a94e6640da8e12dce820a2a921367f17d8ca64be51f151d07e

  • SHA512

    83276db60a8dac632789b4aa5619126aa17e28e48f05bcdadb347eb3ab64853732c59c9c10b9129a6736f4a3bfa2f396dd03f456ad07ae613354ef5ce1e68d02

  • SSDEEP

    24576:GvVO6KZEW9QB7xmIiIznRlpVawlrWQp+3:vbZi7lzrawlrWV3

Malware Config

Targets

    • Target

      f59ced4cb1fe18a94e6640da8e12dce820a2a921367f17d8ca64be51f151d07e

    • Size

      780KB

    • MD5

      84a5d4f71651972eec48a1f428df8e15

    • SHA1

      2926d1fff5994d2254693c51fd3a70206b7f3a84

    • SHA256

      f59ced4cb1fe18a94e6640da8e12dce820a2a921367f17d8ca64be51f151d07e

    • SHA512

      83276db60a8dac632789b4aa5619126aa17e28e48f05bcdadb347eb3ab64853732c59c9c10b9129a6736f4a3bfa2f396dd03f456ad07ae613354ef5ce1e68d02

    • SSDEEP

      24576:GvVO6KZEW9QB7xmIiIznRlpVawlrWQp+3:vbZi7lzrawlrWV3

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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

1
T1114

Tasks