Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 07:06

General

  • Target

    DHL Shipment Delivery Notification 27-9-23.exe

  • Size

    323KB

  • MD5

    d500caad040c54a8a064bb1ae1e02277

  • SHA1

    02f4722d98277480d4d128e3321f156e0471bdde

  • SHA256

    c261ace97411301444d9dfa50d29f9a0328e83ddf45bf15128ad9d796d050461

  • SHA512

    1898e9b94b4cd314327473063b3d800f5eb91a7b5044d72f801251c0a42c8211646974ddd753a0f80dfdc647a056032d3041d41ecec7a890bca78c6751c4cde3

  • SSDEEP

    6144:BnPdudwDs9iDkylpSqHCJLYFn+dBfSVuMKdWKPcmr5tT/RIQzNfov32ZzjWusiD/:BnPdw9iAmpbHCJLQneBaW8KPc2tlIQzp

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sn26

Decoy

resenha10.bet

gulshan-rajput.com

xbus.tech

z813my.cfd

wlxzjlny.cfd

auntengotiempo.com

canada-reservation.com

thegiftcompany.shop

esthersilveirapropiedades.com

1wapws.top

ymjblnvo.cfd

termokimik.net

kushiro-artist-school.com

bmmboo.com

caceresconstructionservices.com

kentuckywalkabout.com

bringyourcart.com

miamiwinetour.com

bobcatsocial.site

thirdmind.network

Signatures

  • Formbook

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

  • Formbook payload 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery Notification 27-9-23.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery Notification 27-9-23.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe
        "C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe
          "C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1888
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe"
        3⤵
          PID:2716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dgiikp.n

      Filesize

      205KB

      MD5

      b791c639d78cc21f869f2e5666ed72c5

      SHA1

      86aefeb3b6b2f6f008c60949ae26461cf88c7cdf

      SHA256

      2104e7a2b6fb3f502fce6daba82b67039da9ee9db45ef6b087b5907b44b7b4c4

      SHA512

      5eb0fd6c37e4bb273c19a1778867c8dcb53a0deb2b66aeae27b48094e6f7eec18357c4a034731dcc150223d3dcc6f8302be0c9fe4aa9f2d2b1609e74412ef457

    • C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe

      Filesize

      194KB

      MD5

      d9360632962b8f895b4f33b76de6438e

      SHA1

      0a205e7d5436f0914a3000de9801424625a2eda4

      SHA256

      1b990c7256969865617929a408a88709db6de3f9fb1c435b6d255940e54e1f00

      SHA512

      4dce8a522d6edab9174ac7aa4615644d92504694dd2d76917aec9736e430f66207d697e0157855d9d00e6bb475845833382836157df89aae19fcabaa06739166

    • C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe

      Filesize

      194KB

      MD5

      d9360632962b8f895b4f33b76de6438e

      SHA1

      0a205e7d5436f0914a3000de9801424625a2eda4

      SHA256

      1b990c7256969865617929a408a88709db6de3f9fb1c435b6d255940e54e1f00

      SHA512

      4dce8a522d6edab9174ac7aa4615644d92504694dd2d76917aec9736e430f66207d697e0157855d9d00e6bb475845833382836157df89aae19fcabaa06739166

    • C:\Users\Admin\AppData\Local\Temp\wdjjinav.exe

      Filesize

      194KB

      MD5

      d9360632962b8f895b4f33b76de6438e

      SHA1

      0a205e7d5436f0914a3000de9801424625a2eda4

      SHA256

      1b990c7256969865617929a408a88709db6de3f9fb1c435b6d255940e54e1f00

      SHA512

      4dce8a522d6edab9174ac7aa4615644d92504694dd2d76917aec9736e430f66207d697e0157855d9d00e6bb475845833382836157df89aae19fcabaa06739166

    • \Users\Admin\AppData\Local\Temp\wdjjinav.exe

      Filesize

      194KB

      MD5

      d9360632962b8f895b4f33b76de6438e

      SHA1

      0a205e7d5436f0914a3000de9801424625a2eda4

      SHA256

      1b990c7256969865617929a408a88709db6de3f9fb1c435b6d255940e54e1f00

      SHA512

      4dce8a522d6edab9174ac7aa4615644d92504694dd2d76917aec9736e430f66207d697e0157855d9d00e6bb475845833382836157df89aae19fcabaa06739166

    • \Users\Admin\AppData\Local\Temp\wdjjinav.exe

      Filesize

      194KB

      MD5

      d9360632962b8f895b4f33b76de6438e

      SHA1

      0a205e7d5436f0914a3000de9801424625a2eda4

      SHA256

      1b990c7256969865617929a408a88709db6de3f9fb1c435b6d255940e54e1f00

      SHA512

      4dce8a522d6edab9174ac7aa4615644d92504694dd2d76917aec9736e430f66207d697e0157855d9d00e6bb475845833382836157df89aae19fcabaa06739166

    • memory/1280-22-0x00000000060D0000-0x000000000619B000-memory.dmp

      Filesize

      812KB

    • memory/1280-36-0x00000000083C0000-0x00000000084C4000-memory.dmp

      Filesize

      1.0MB

    • memory/1280-34-0x00000000083C0000-0x00000000084C4000-memory.dmp

      Filesize

      1.0MB

    • memory/1280-33-0x00000000083C0000-0x00000000084C4000-memory.dmp

      Filesize

      1.0MB

    • memory/1280-32-0x0000000000010000-0x0000000000020000-memory.dmp

      Filesize

      64KB

    • memory/1280-17-0x00000000036A0000-0x00000000037A0000-memory.dmp

      Filesize

      1024KB

    • memory/1280-18-0x00000000085C0000-0x0000000008762000-memory.dmp

      Filesize

      1.6MB

    • memory/1888-10-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1888-16-0x0000000000110000-0x0000000000125000-memory.dmp

      Filesize

      84KB

    • memory/1888-20-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1888-13-0x0000000000AB0000-0x0000000000DB3000-memory.dmp

      Filesize

      3.0MB

    • memory/1888-21-0x00000000003B0000-0x00000000003C5000-memory.dmp

      Filesize

      84KB

    • memory/1888-15-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2608-24-0x0000000000870000-0x0000000000877000-memory.dmp

      Filesize

      28KB

    • memory/2608-28-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/2608-29-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/2608-31-0x0000000001EB0000-0x0000000001F44000-memory.dmp

      Filesize

      592KB

    • memory/2608-26-0x0000000001FA0000-0x00000000022A3000-memory.dmp

      Filesize

      3.0MB

    • memory/2608-25-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/2608-23-0x0000000000870000-0x0000000000877000-memory.dmp

      Filesize

      28KB

    • memory/2784-6-0x00000000000A0000-0x00000000000A2000-memory.dmp

      Filesize

      8KB