General

  • Target

    SecuriteInfo.com.Gen.Variant.Nemesis.16281.17431.22579.exe

  • Size

    641KB

  • Sample

    230111-jc11fsfc41

  • MD5

    78c0e62a83998e9eed0ec3b279deac7c

  • SHA1

    96e44c1537fce904102a354410b3ce71313689db

  • SHA256

    b130033e592a261c06575e6022466da91deae5dc9b042847712ddaca2d892dec

  • SHA512

    02b6eee74ca262bbd803978480b0250a7250764570816e6de7e477d8aea47f78ffc90c29b44043800906c3acbbefa071ae218fc7521976d6d1c433e276666f0b

  • SSDEEP

    12288:1cWJ+6nT8mlombZJu2p4+Gng1ADX9rMIbyyjRk:1XBn1loA/p4hgMBxOyjW

Malware Config

Targets

    • Target

      SecuriteInfo.com.Gen.Variant.Nemesis.16281.17431.22579.exe

    • Size

      641KB

    • MD5

      78c0e62a83998e9eed0ec3b279deac7c

    • SHA1

      96e44c1537fce904102a354410b3ce71313689db

    • SHA256

      b130033e592a261c06575e6022466da91deae5dc9b042847712ddaca2d892dec

    • SHA512

      02b6eee74ca262bbd803978480b0250a7250764570816e6de7e477d8aea47f78ffc90c29b44043800906c3acbbefa071ae218fc7521976d6d1c433e276666f0b

    • SSDEEP

      12288:1cWJ+6nT8mlombZJu2p4+Gng1ADX9rMIbyyjRk:1XBn1loA/p4hgMBxOyjW

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks