Overview

overview

10

Static

static

DOCUMENT.exe

windows7-x64

10

DOCUMENT.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    60e92b87dd2db1de04ae1da0e43063b2277785fa853dcc867f33d7c1affd0428

  • Size

    833KB

  • Sample

    221011-yp5lqscac8

  • MD5

    afe6b2d5b8f5ed118f83203bd9fe703e

  • SHA1

    0d70a8a122ac56daa07a9c4292bec442b87e35ec

  • SHA256

    60e92b87dd2db1de04ae1da0e43063b2277785fa853dcc867f33d7c1affd0428

  • SHA512

    35d68ced056300352232274b7eda0ae2bb9e5a5abeff03f2bbc9dce815289db2abdc885a4fcb19bd613ba525313e1b484592f1b4262470739a790b1a9e3645ae

  • SSDEEP

    12288:Ih1d5mC4D0BWLK4LbkgvI8l7HRm78Y0JEL1GmEVEqiHQuTJvmrN0W24G:Ih1HL4DGqKc3v7l7x48QGmEFqTJsNf2r

Score
10/10
isrstealercollectionevasionpersistencestealertrojanupx

Malware Config

Targets

    • Target

      DOCUMENT.exe

    • Size

      941KB

    • MD5

      752ce2568a7b41a0fcbbc5f417ffccc3

    • SHA1

      864e7e6514a207df0b70066eecd6126becb1ff09

    • SHA256

      7b6570a85ef1600456266810593fd5e2de186f34ed7868ace12148ec14f8812e

    • SHA512

      70e58cde454e360df36784f48b2795a96d4f8fadc797d6667bff73a4b217518584177972398eaa5d12d082301ee8bd37c148d05b0da39ffb51b5da6650f84538

    • SSDEEP

      12288:5at0EAH49n8B7CnN/j2+T0BWLkGLbWgNIwY6Cuw78YOJEn1GUEVQqYHQFOH9LPsN:It24RNj2+TGqkOhNSu68GGUEtsh7N10N

    Score
    10/10
    isrstealercollectionevasionpersistencestealertrojanupx

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

      trojanstealerisrstealer

    • ISR Stealer payload

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks