Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    07-03-2023 14:16

General

  • Target

    030d9daf754e7d55b6690abc958386c7bd69c539b50a971b2a61b0d14210a498.exe

  • Size

    474KB

  • MD5

    dcb7eaa1fd51e975b67a3ed92509167a

  • SHA1

    528c5a4837a195707581724d408c809433f14a16

  • SHA256

    030d9daf754e7d55b6690abc958386c7bd69c539b50a971b2a61b0d14210a498

  • SHA512

    8b095bc1d1c22db78e1ee1011bd7d6564c3657c4bade729baf803b6df857f88be1fceac74b55b72786df635bbee7ad3ff8d17bbc28da553c1bb08ae275df543c

  • SSDEEP

    6144:WG0tEl7ERlzVxn5zLTjgpjdGXq7IOVf4c0Lu8nuyqvM30vakSNMmoYqTVXwIuODf:BCFzbF3g1kXqZf4czAVMmlq5pTlEv1G

Malware Config

Extracted

Family

formbook

Campaign

qsqm

Decoy

gYI8BO7T7BQOBw==

5kKpX8NHT4cITCAOEkMYvi5HiMZ5

oq5lCVwFY9KNJipM

OiTOjWhDMXBf8H9o79k=

rSDHx5jqNn3Sz/LND/0G

ob6FSUE4NYUi5Iqg1YGfMg==

fI5oMbAC5EAeerSKKRM2PjF7TYJh

lmWieqE8QHg=

yLxwFWm+rbCJXqE=

MyY9R8VCSaAtEJY2MdHAXKY=

WYA53Ezjh808

EPu6bfMPNJUh

upyUkeqQ6B/FJyq2PCiwnZf/

RvN3e2hDLJQmo9qtZTVoRmPi

hZhWEObjh808

K1gowrFsO5p0UchTUEVoRmPi

7hXPaZ6i+F7o2L8OCCyhNA==

bIp+E/xrSG9QHA==

+EPrJAdvSG9QHA==

METFhoRGH1sBBWhAbA==

Extracted

Family

xloader

Version

3.Æ…

Campaign

qsqm

Decoy

gYI8BO7T7BQOBw==

5kKpX8NHT4cITCAOEkMYvi5HiMZ5

oq5lCVwFY9KNJipM

OiTOjWhDMXBf8H9o79k=

rSDHx5jqNn3Sz/LND/0G

ob6FSUE4NYUi5Iqg1YGfMg==

fI5oMbAC5EAeerSKKRM2PjF7TYJh

lmWieqE8QHg=

yLxwFWm+rbCJXqE=

MyY9R8VCSaAtEJY2MdHAXKY=

WYA53Ezjh808

EPu6bfMPNJUh

upyUkeqQ6B/FJyq2PCiwnZf/

RvN3e2hDLJQmo9qtZTVoRmPi

hZhWEObjh808

K1gowrFsO5p0UchTUEVoRmPi

7hXPaZ6i+F7o2L8OCCyhNA==

bIp+E/xrSG9QHA==

+EPrJAdvSG9QHA==

METFhoRGH1sBBWhAbA==

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\030d9daf754e7d55b6690abc958386c7bd69c539b50a971b2a61b0d14210a498.exe
      "C:\Users\Admin\AppData\Local\Temp\030d9daf754e7d55b6690abc958386c7bd69c539b50a971b2a61b0d14210a498.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1724
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1604

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\mptpgbmx.zip

      Filesize

      433KB

      MD5

      ecc8ac417181d4885ef8c208d1f073dc

      SHA1

      33154e45485bc0ae3bb0203ffcb9baaaed4038d3

      SHA256

      d01c69d09282f9050f6b113c45884fe9b9abf3bdf5bd93b45927d9b6bfb233fe

      SHA512

      f7601763447bed9b7b45fef2bd584da669636d2657c6066516c949e713ce1caf0641a1889345e92e584b84f438fa19029d13c6f6f1583d35fcc1eb3f998631da

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll

      Filesize

      828KB

      MD5

      d5ea9b5814553bd2f9bbb8bf0ea94ed6

      SHA1

      29629836c088dcd968efb321832edcbcfaac5b51

      SHA256

      5ea67d6b7f67301ca214af511740f26b9e6cc9e16b2c0ec7bba071d05b9bde78

      SHA512

      6867452995c8354622fe22ce4fb4868d2b9cb28bb31aa60b42f06e494b952f66c427aa66c7af09240954bf55ebcde62d4c7feb9d99e742ea3bc5beb3756a7a1e

    • memory/1248-66-0x00000000000A0000-0x00000000001A0000-memory.dmp

      Filesize

      1024KB

    • memory/1248-81-0x0000000006940000-0x0000000006A1F000-memory.dmp

      Filesize

      892KB

    • memory/1248-79-0x0000000006940000-0x0000000006A1F000-memory.dmp

      Filesize

      892KB

    • memory/1248-60-0x00000000000A0000-0x00000000001A0000-memory.dmp

      Filesize

      1024KB

    • memory/1248-78-0x0000000006940000-0x0000000006A1F000-memory.dmp

      Filesize

      892KB

    • memory/1248-75-0x0000000003C10000-0x0000000003E10000-memory.dmp

      Filesize

      2.0MB

    • memory/1248-64-0x00000000047A0000-0x0000000004897000-memory.dmp

      Filesize

      988KB

    • memory/1248-68-0x0000000006FB0000-0x0000000007143000-memory.dmp

      Filesize

      1.6MB

    • memory/1716-73-0x0000000000070000-0x000000000009D000-memory.dmp

      Filesize

      180KB

    • memory/1716-74-0x0000000002140000-0x0000000002443000-memory.dmp

      Filesize

      3.0MB

    • memory/1716-125-0x0000000061E00000-0x0000000061EBC000-memory.dmp

      Filesize

      752KB

    • memory/1716-77-0x0000000000970000-0x00000000009FF000-memory.dmp

      Filesize

      572KB

    • memory/1716-71-0x0000000000B80000-0x0000000000BA6000-memory.dmp

      Filesize

      152KB

    • memory/1716-69-0x0000000000B80000-0x0000000000BA6000-memory.dmp

      Filesize

      152KB

    • memory/1716-72-0x0000000000070000-0x000000000009D000-memory.dmp

      Filesize

      180KB

    • memory/1724-63-0x0000000000170000-0x0000000000180000-memory.dmp

      Filesize

      64KB

    • memory/1724-67-0x00000000001B0000-0x00000000001C0000-memory.dmp

      Filesize

      64KB

    • memory/1724-70-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1724-61-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

      Filesize

      3.0MB

    • memory/1724-59-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1724-57-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1724-62-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1752-54-0x0000000000920000-0x000000000099A000-memory.dmp

      Filesize

      488KB

    • memory/1752-56-0x0000000002350000-0x00000000023C4000-memory.dmp

      Filesize

      464KB

    • memory/1752-55-0x000000001AF40000-0x000000001AFC0000-memory.dmp

      Filesize

      512KB