Overview

overview

10

Static

static

be7bb1e2f8...2b.exe

windows7-x64

10

be7bb1e2f8...2b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    be7bb1e2f81e734183e00ab1edf6ebf26f9110df449c8800e6268f139333822b

  • Size

    1.3MB

  • Sample

    221128-k7yn9aca72

  • MD5

    6715aaad6f30fa6c4e687f737fef1f2d

  • SHA1

    40b4b076fa2becbeab53086acad5ce6ff8aa675f

  • SHA256

    be7bb1e2f81e734183e00ab1edf6ebf26f9110df449c8800e6268f139333822b

  • SHA512

    c732ea4729db71a0666ee56b8c9ea6195b3e6349612ab8e5459120386a3dd4589f934e6abbcbfec524a596be987e5d0cf4c44b4ed9e440e5df133bd6910a5d26

  • SSDEEP

    24576:0uDYP/qvj6WbZffGzxObw0Suf/mzr3tRfk0T9mJ5jZgr:05qztuT4HiznfkI989

Score
10/10
collectionpersistencespywarestealer

Malware Config

Targets

    • Target

      be7bb1e2f81e734183e00ab1edf6ebf26f9110df449c8800e6268f139333822b

    • Size

      1.3MB

    • MD5

      6715aaad6f30fa6c4e687f737fef1f2d

    • SHA1

      40b4b076fa2becbeab53086acad5ce6ff8aa675f

    • SHA256

      be7bb1e2f81e734183e00ab1edf6ebf26f9110df449c8800e6268f139333822b

    • SHA512

      c732ea4729db71a0666ee56b8c9ea6195b3e6349612ab8e5459120386a3dd4589f934e6abbcbfec524a596be987e5d0cf4c44b4ed9e440e5df133bd6910a5d26

    • SSDEEP

      24576:0uDYP/qvj6WbZffGzxObw0Suf/mzr3tRfk0T9mJ5jZgr:05qztuT4HiznfkI989

    Score
    10/10
    collectionpersistencespywarestealer

    • Modifies WinLogon for persistence

      persistence

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • 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.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks