Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 02:51

General

  • Target

    d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe

  • Size

    399KB

  • MD5

    23a2b5fb371ed9cd55d6e2e851ea24dd

  • SHA1

    ec7f377b8b447bd984399a4d0f6bc73e64feabe5

  • SHA256

    d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287

  • SHA512

    addfe128b757950396657f2bf57ba3d9339742ba3dc4b0a61c9aa4a220ee6aca3e76bcccbf7d5f0b73ce609d2152dfa70a254788c23dd626ae1910a547bb9992

  • SSDEEP

    6144:o+azbRZvLP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYFk:o+azbvcahVy41

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1372
      • C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe
        "C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2588
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2164
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a280.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2888
          • C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe
            "C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe"
            4⤵
            • Executes dropped EXE
            PID:2684
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2892
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2080
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2916
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2236
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2704

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

      Filesize

      264KB

      MD5

      347af94597b318e9a3867de9138fae82

      SHA1

      085365091f397596cdf553f7ad4e34a6245b02d0

      SHA256

      78ce0e7ee06f5cda46973e5c3ea7e6bf39fadc6bc5e9609aed5d510a28261ff1

      SHA512

      5a72ebde79f46a090d05082bdf7111237b8a50f70871732083bbf6c20b4d35c9505ae904232bf5adf9a1e87348bae642e7a4bc7377d5ee946d5ffde557a4ca48

    • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

      Filesize

      484KB

      MD5

      a803cec17e97a23f06f00bad17aa1236

      SHA1

      7a5c9795e740bbf318d745de0eb80adb7d74538d

      SHA256

      2846d29686b5eef885188d8c5dc0ff71e19a25d497490f99f99e837959a7b7ff

      SHA512

      ca0b62858ee4af691cd9dfa6c9325d4dbe1e2dd232c8f30e24156dc9560211666724e41e305467475760b80bdbed429887e2032191147c60504fb04e512ca620

    • C:\Users\Admin\AppData\Local\Temp\$$a280.bat

      Filesize

      721B

      MD5

      b7d2ec5f3cf70bd63f7a5088e84787c5

      SHA1

      7dde1ab6d70c6cd616a931c0e6eec0171ee569da

      SHA256

      18c4784d3ceab1659f854d1cb26775116ea6afb8a2a4e64ad9b4051a4a370e52

      SHA512

      fc1cccb0c85ae6d8900c9c03be21e8ab9218f6cd0716bc378e7f0f0111318d30d6da51a436bd9f6b30f5c2124d8d6ff6436ef07538b22825fb96467a1fc98088

    • C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe.exe

      Filesize

      360KB

      MD5

      5fbd45261a2de3bb42f489e825a9a935

      SHA1

      ff388f6e9efe651ec62c4152c1739783e7899293

      SHA256

      9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

      SHA512

      7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      3f3d998d6eff397e60f8b2c4179cb406

      SHA1

      61da9497495978c1058293bda8b9eabbeee63c34

      SHA256

      c785af8dec6ed02540126fd5bdaa7f35573cf80be00dbcb933a8fb4e6b8735f2

      SHA512

      5338569f9b9cd5f0a30403999441dc332dbd8ba16984cb5f2fcaa3f6d277cf1859d91b0cf951318d3c9b4affc25fcd69c34fe6abd1c4d4ad76431829bad74f7a

    • F:\$RECYCLE.BIN\S-1-5-21-457978338-2990298471-2379561640-1000\_desktop.ini

      Filesize

      9B

      MD5

      77ac50871f710809bbf0957e178463e4

      SHA1

      68a9ba0d760af28367efc9773999b978de998a12

      SHA256

      36309483344452798a5953f04265f59efcf323ec5d55ea7f0916449b12d579c1

      SHA512

      3adbde7746af2187e13878b8381313d555ff78f697650a608d38acde761e3bf3827515ea70fb6ea45520d806621565e93c3c8c8e4d2760c463747d1b0a3c8aeb

    • memory/280-17-0x00000000002B0000-0x00000000002ED000-memory.dmp

      Filesize

      244KB

    • memory/280-12-0x00000000002B0000-0x00000000002ED000-memory.dmp

      Filesize

      244KB

    • memory/280-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/280-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1372-28-0x0000000002230000-0x0000000002231000-memory.dmp

      Filesize

      4KB

    • memory/2892-31-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2892-1073-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2892-3343-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2892-6121-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2892-9322-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB