Overview

overview

10

Static

static

MT103_Swif...XX.exe

windows7_x64

10

MT103_Swif...XX.exe

windows10_x64

10

Sharing

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General

  • Target

    MT103_Swift-confirmation#4425-28373XXX.xz

  • Size

    579KB

  • Sample

    210412-nzzxr6dy2n

  • MD5

    c05b73fac4010193c9b36d5ce29e20aa

  • SHA1

    bc12202b10370963df9c93da0e1bbf4049e5ab63

  • SHA256

    c21db11decdddf6b539dfd719ee18173b4b832985c9bf653ac77e4e9583996d5

  • SHA512

    9c1161a70aebd1fb77d0c7f1e43672c6c349deb4fc1f163ea0adb75d1a126d3d3a842c73723c8a10d826d6a12f375b446226eb9b53e3d503f2bf96fb58f55671

Score
10/10
oskidiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

45.85.90.86

Targets

    • Target

      MT103_Swift-confirmation#4425-28373XXX.exe

    • Size

      795KB

    • MD5

      bb4489ef3af30a3f1ac77bca896285b3

    • SHA1

      e447d424cccd2e632233f86d4b20c0718cc45fcd

    • SHA256

      b2a66114f2afb03bd4087e7fc37d6c89ff7f3d3bd48d751dc9334a5a746f7c37

    • SHA512

      a91a49b9ed5c393288844434aeac3a58b217379d0116adb2a0492f090908545f11d1e2985792751c8c6d10b87a66d7d9b47954ce6aeef2080c355b68c9d0bb32

    Score
    10/10
    oskidiscoveryinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks