Analysis

  • max time kernel
    141s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2024, 15:31

General

  • Target
    e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.exe
  • Size 10.0MB
  • Sample240918-sycdnaycnf
  • SHA256 14636b7fc900e2be3fee5abb409e3b7a3cdf5a99107bf6d7dcbcce4b26ee0d34
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Strela Stealer payload 1 IoCs
  • Strela stealer

    An info stealer targeting mail credentials first seen in late 2022.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\is-16BO2.tmp\e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-16BO2.tmp\e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.tmp" /SL5="$6028C,9993427,175104,C:\Users\Admin\AppData\Local\Temp\e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\SysWOW64\taskkill.exe
        "taskkill.exe" /f /im "net_updater32.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:212
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1284,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
    1⤵
      PID:880

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-16BO2.tmp\e96dd956bc2159ff1d073876ef5d4e58_JaffaCakes118.tmp
          • Size 1.2MB
          • SHA256 4dc2d414277e497490d2009f370051298bccaa649d0a335b064269a0bb9bbbf3
          • MD5 SHA1 SHA512 SSDEEP

          CallbackCtrl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\CallbackCtrl.dll
          • Size 4KB
          • SHA256 68f42a7823ed7ee88a5c59020ac52d4bbcadf1036611e96e470d986c8faa172d
          • MD5 SHA1 SHA512

          back.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\back.png
          • Size 2KB
          • SHA256 806f42fddd09b24993ec053e6fdcae023e4833b371590843a498aacac20b8c7c
          • MD5 SHA1 SHA512

          botva2.dll

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\botva2.dll
          • Size 35KB
          • SHA256 a4b61626a1626fdabec794e4f323484aa0644baa1c905a5dcf785dc34564f008
          • MD5 SHA1 SHA512 SSDEEP

          btn_browser.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\btn_browser.png
          • Size 2KB
          • SHA256 0f6e9827ef681b88722d2013ae44fe5f8eeeaf22b6fe64904ecd0852de8197c8
          • MD5 SHA1 SHA512

          btn_close.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\btn_close.png
          • Size 204B
          • SHA256 8a6026306c1774d027022b3ee600c34b296ab8135f46c872d74c734baa239eac
          • MD5 SHA1 SHA512

          btn_min.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\btn_min.png
          • Size 103B
          • SHA256 686967328122f54acd92f85f6c162d42a8f607148f511ec4f7ab41010fc7db66
          • MD5 SHA1 SHA512

          btn_n.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\btn_n.png
          • Size 1KB
          • SHA256 d9f0859f6a5648b0a9060200cc9a7534161e1b22844f631766e4e3540090790a
          • MD5 SHA1 SHA512

          btn_setup.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\btn_setup.png
          • Size 4KB
          • SHA256 d95a68be5109a23db0d0dff20ba3453ca69d39f48f2ae996255b84557a96881b
          • MD5 SHA1 SHA512 SSDEEP

          checkboxdeep.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\checkboxdeep.png
          • Size 351B
          • SHA256 ecfe768ec009c8cb24edb1dd3cfe8a8e8a583fcfc90ec90442ce1c8d59241cdc
          • MD5 SHA1 SHA512

          license.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\license.png
          • Size 1KB
          • SHA256 9a004daa7630d4916c962e681f1a1f95db3ff476fe82272dc937f7ac200683a2
          • MD5 SHA1 SHA512

          util.dll

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\util.dll
          • Size 1010KB
          • SHA256 a2ef6b8fbf44bc77631d5635b8abedf90db5903b94618753168f5a904ebc5f60
          • MD5 SHA1 SHA512 SSDEEP

          xy.png

          • Path C:\Users\Admin\AppData\Local\Temp\is-IRN8D.tmp\xy.png
          • Size 11KB
          • SHA256 31137ad0ef19381e1778eb89b6cb9f70a9ee5244ad943ad494e1e57b18b48ab7
          • MD5 SHA1 SHA512 SSDEEP

          memory/1480-56-0x0000000003420000-0x000000000342E000-memory.dmp

          memory/1480-7-0x0000000000400000-0x000000000054E000-memory.dmp

          memory/1480-107-0x0000000000400000-0x000000000054E000-memory.dmp

          memory/1480-108-0x0000000003420000-0x000000000342E000-memory.dmp

          memory/1480-114-0x0000000003420000-0x000000000342E000-memory.dmp

          memory/4436-2-0x0000000000401000-0x0000000000412000-memory.dmp

          memory/4436-0-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/4436-106-0x0000000000400000-0x0000000000436000-memory.dmp