Analysis

  • max time kernel
    153s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08-02-2022 17:35

General

  • Target

    SWIFT.xlsx

  • Size

    187KB

  • MD5

    d3ec340f398c4b2335e9c68a92995f0f

  • SHA1

    895c8a13a0686de1192a25cddad00e6e90813211

  • SHA256

    ecc23d4e568abce507d19e32f33a6b30eda08af3946cf219b2c59115cfe5d9b4

  • SHA512

    199e3dfe3ddb20b9ebf9c805c130cd38467d448da05901b088b92f4cb11d00fd801a929f74be3a5254ffb258572880c0705b8337fb8eaec6b5d4889595b1c6fc

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

nt3f

Decoy

tricyclee.com

kxsw999.com

wisteria-pavilion.com

bellaclancy.com

promissioskincare.com

hzy001.xyz

checkouthomehd.com

soladere.com

point4sales.com

socalmafia.com

libertadysarmiento.online

nftthirty.com

digitalgoldcryptostock.net

tulekiloscaird.com

austinfishandchicken.com

wlxxch.com

mgav51.xyz

landbanking.global

saprove.com

babyfaces.skin

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 12 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SWIFT.xlsx
      2⤵
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1536
    • C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1780
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:972

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Public\vbc.exe
    MD5

    38aed2534480c27c816c57ee6a369f87

    SHA1

    3a1d97bffba30b52704e8787af93cf1d6a56e16c

    SHA256

    0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e

    SHA512

    aa3a23b9ac43b2cde9e29a87067a5729d0246e367f4656fe58be3371bb846d2e2d681fcdd2cbf2e4841513b6f3ff677cff75167aab79cbb003d62da1b614f3fa

  • C:\Users\Public\vbc.exe
    MD5

    38aed2534480c27c816c57ee6a369f87

    SHA1

    3a1d97bffba30b52704e8787af93cf1d6a56e16c

    SHA256

    0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e

    SHA512

    aa3a23b9ac43b2cde9e29a87067a5729d0246e367f4656fe58be3371bb846d2e2d681fcdd2cbf2e4841513b6f3ff677cff75167aab79cbb003d62da1b614f3fa

  • C:\Users\Public\vbc.exe
    MD5

    38aed2534480c27c816c57ee6a369f87

    SHA1

    3a1d97bffba30b52704e8787af93cf1d6a56e16c

    SHA256

    0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e

    SHA512

    aa3a23b9ac43b2cde9e29a87067a5729d0246e367f4656fe58be3371bb846d2e2d681fcdd2cbf2e4841513b6f3ff677cff75167aab79cbb003d62da1b614f3fa

  • \Users\Admin\AppData\Local\Temp\nsd1631.tmp\qtevjlboywc.dll
    MD5

    7ab1f960243256a5a844b4e6d60572f5

    SHA1

    d1d0da605c3f65a1d9e2f60f3ea2eb5aa602d27b

    SHA256

    5255231c384c64a605d5a1c828df7375455ccb844d4ed2519ae9f656c65b007c

    SHA512

    3ce50ab0041d414ebb9056495eec74053f5ef0b448bed6caf039c650f2c42ed97e01aa8ba293a7134195bcab6de12f04dacad904e5d59c58c777e8a8ee5acb5f

  • \Users\Public\vbc.exe
    MD5

    38aed2534480c27c816c57ee6a369f87

    SHA1

    3a1d97bffba30b52704e8787af93cf1d6a56e16c

    SHA256

    0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e

    SHA512

    aa3a23b9ac43b2cde9e29a87067a5729d0246e367f4656fe58be3371bb846d2e2d681fcdd2cbf2e4841513b6f3ff677cff75167aab79cbb003d62da1b614f3fa

  • \Users\Public\vbc.exe
    MD5

    38aed2534480c27c816c57ee6a369f87

    SHA1

    3a1d97bffba30b52704e8787af93cf1d6a56e16c

    SHA256

    0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e

    SHA512

    aa3a23b9ac43b2cde9e29a87067a5729d0246e367f4656fe58be3371bb846d2e2d681fcdd2cbf2e4841513b6f3ff677cff75167aab79cbb003d62da1b614f3fa

  • \Users\Public\vbc.exe
    MD5

    38aed2534480c27c816c57ee6a369f87

    SHA1

    3a1d97bffba30b52704e8787af93cf1d6a56e16c

    SHA256

    0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e

    SHA512

    aa3a23b9ac43b2cde9e29a87067a5729d0246e367f4656fe58be3371bb846d2e2d681fcdd2cbf2e4841513b6f3ff677cff75167aab79cbb003d62da1b614f3fa

  • memory/912-58-0x0000000076C91000-0x0000000076C93000-memory.dmp
    Filesize

    8KB

  • memory/972-69-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-73-0x0000000000340000-0x0000000000351000-memory.dmp
    Filesize

    68KB

  • memory/972-72-0x000000000041D000-0x000000000041E000-memory.dmp
    Filesize

    4KB

  • memory/972-66-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-70-0x00000000008E0000-0x0000000000BE3000-memory.dmp
    Filesize

    3.0MB

  • memory/1408-71-0x0000000006A40000-0x0000000006B9E000-memory.dmp
    Filesize

    1.4MB

  • memory/1408-79-0x0000000004FB0000-0x000000000506F000-memory.dmp
    Filesize

    764KB

  • memory/1536-55-0x0000000071C21000-0x0000000071C23000-memory.dmp
    Filesize

    8KB

  • memory/1536-54-0x000000002F6D1000-0x000000002F6D4000-memory.dmp
    Filesize

    12KB

  • memory/1536-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1536-57-0x0000000072C0D000-0x0000000072C18000-memory.dmp
    Filesize

    44KB

  • memory/1536-80-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1780-75-0x0000000000E40000-0x0000000000E58000-memory.dmp
    Filesize

    96KB

  • memory/1780-76-0x0000000000090000-0x00000000000B9000-memory.dmp
    Filesize

    164KB

  • memory/1780-77-0x0000000000B10000-0x0000000000E13000-memory.dmp
    Filesize

    3.0MB

  • memory/1780-78-0x00000000002E0000-0x0000000000370000-memory.dmp
    Filesize

    576KB