Overview

overview

10

Static

static

8

4ae1f055ed...b1.exe

windows7_x64

10

4ae1f055ed...b1.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4ae1f055edea4c9667047ce00c62924d58278e47ca8262725a89ae5c77354eb1

  • Size

    871KB

  • Sample

    220201-hw5bjsbag6

  • MD5

    7380ccfe1c66527f163845b5532cf5db

  • SHA1

    916cbf2b90d81317b4a8310a7b2ef0a8156faa7e

  • SHA256

    4ae1f055edea4c9667047ce00c62924d58278e47ca8262725a89ae5c77354eb1

  • SHA512

    e9a94983c83cd419089caf87955f0767f97729c8ae713d98f4a343bb1caa6a963904753093da96b4574b96d706f8ec9c4f86ae4bd981135f34a9fa16a36f5eea

Score
10/10
oskiinfostealerpersistencerezer0spywarestealervmprotect

Malware Config

Extracted

Family

oski

C2

www.emailonlinechase.com

Targets

    • Target

      4ae1f055edea4c9667047ce00c62924d58278e47ca8262725a89ae5c77354eb1

    • Size

      871KB

    • MD5

      7380ccfe1c66527f163845b5532cf5db

    • SHA1

      916cbf2b90d81317b4a8310a7b2ef0a8156faa7e

    • SHA256

      4ae1f055edea4c9667047ce00c62924d58278e47ca8262725a89ae5c77354eb1

    • SHA512

      e9a94983c83cd419089caf87955f0767f97729c8ae713d98f4a343bb1caa6a963904753093da96b4574b96d706f8ec9c4f86ae4bd981135f34a9fa16a36f5eea

    Score
    10/10
    oskiinfostealerrezer0spywarestealervmprotectpersistence

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Sets service image path in registry

      persistence

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks