Resubmissions

16-02-2022 14:43

220216-r31flsdagq 10

16-02-2022 14:37

220216-rzmeksdagk 10

16-02-2022 14:22

220216-rpkg8sdafl 10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    16-02-2022 14:22

General

  • Target

    DELIVERY DOCUMENTS.exe

  • Size

    707KB

  • MD5

    427ef5f4e1143ad34c33b26dc4681661

  • SHA1

    673fb1a58e4707ad783d03ca97b3fbd8b4cad73a

  • SHA256

    cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4

  • SHA512

    b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

zqzw

Decoy

laurentmathieu.com

nohohonndana.com

hhmc.info

shophallows.com

blazebunk.com

goodbridge.xyz

flakycloud.com

bakermckenziegroups.com

formation-adistance.com

lovingearthbotanicals.com

tbrservice.plus

heritagehousehotels.com

drwbuildersco.com

lacsghb.com

wain3x.com

dadreview.club

continiutycp.com

cockgirls.com

48mpt.xyz

033skz.xyz

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"
        3⤵
        • Deletes itself
        PID:1180

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/848-67-0x000000000041D000-0x000000000041E000-memory.dmp
    Filesize

    4KB

  • memory/848-66-0x00000000008F0000-0x0000000000BF3000-memory.dmp
    Filesize

    3.0MB

  • memory/848-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/848-65-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/848-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/848-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/848-68-0x0000000000180000-0x0000000000191000-memory.dmp
    Filesize

    68KB

  • memory/1116-73-0x0000000002260000-0x00000000022F0000-memory.dmp
    Filesize

    576KB

  • memory/1116-72-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1116-71-0x0000000001F50000-0x0000000002253000-memory.dmp
    Filesize

    3.0MB

  • memory/1116-70-0x000000004A7F0000-0x000000004A83C000-memory.dmp
    Filesize

    304KB

  • memory/1268-69-0x0000000006450000-0x000000000658E000-memory.dmp
    Filesize

    1.2MB

  • memory/1268-74-0x0000000006F10000-0x000000000707B000-memory.dmp
    Filesize

    1.4MB

  • memory/1608-55-0x0000000000C70000-0x0000000000D28000-memory.dmp
    Filesize

    736KB

  • memory/1608-56-0x000000007412E000-0x000000007412F000-memory.dmp
    Filesize

    4KB

  • memory/1608-57-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
    Filesize

    4KB

  • memory/1608-60-0x0000000000720000-0x0000000000750000-memory.dmp
    Filesize

    192KB

  • memory/1608-59-0x0000000005150000-0x00000000051D2000-memory.dmp
    Filesize

    520KB

  • memory/1608-58-0x0000000000340000-0x000000000034A000-memory.dmp
    Filesize

    40KB