Analysis

  • max time kernel
    118s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 08:26

General

  • Target

    a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe

  • Size

    6.6MB

  • MD5

    a158b1346f9107d6ab9d1b63167d7728

  • SHA1

    33533949151b2a078ed9631f4764d34cd2d4966a

  • SHA256

    a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb

  • SHA512

    d3e1c7b4e8a9a6e4a5914878ed9697cfe42827534a0b8dedbd60d12c7ffa55448b1ee0a57d84b8a3fc4065466ffcae29c6647944d7b240e595202d7cac688317

  • SSDEEP

    196608:AArTDCWdaRcHuytAGlf5faTjv+ANi1zwXAk:AArTDV4RHuAGGTjvmNwwk

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
    "C:\Users\Admin\AppData\Local\Temp\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
      "C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe

    Filesize

    6.5MB

    MD5

    7cebfc77c14cdec8b6a1701739b11cd3

    SHA1

    ad9145e77efb833e493d9894152d5f05a7d08636

    SHA256

    3f74e3de48b7d500697a08cd823520fb998c9a9a21fc1a4c9de45d5181ba5be1

    SHA512

    8af74deefeeeffe64606b5ea2a70af3a2bf6eb8481c620029db7447fca1d5a9bebb8dbcbe70ff038d50cf642541ef7a6632f7816bf958405df73755543d0c210

  • C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe

    Filesize

    6.5MB

    MD5

    7cebfc77c14cdec8b6a1701739b11cd3

    SHA1

    ad9145e77efb833e493d9894152d5f05a7d08636

    SHA256

    3f74e3de48b7d500697a08cd823520fb998c9a9a21fc1a4c9de45d5181ba5be1

    SHA512

    8af74deefeeeffe64606b5ea2a70af3a2bf6eb8481c620029db7447fca1d5a9bebb8dbcbe70ff038d50cf642541ef7a6632f7816bf958405df73755543d0c210

  • \Users\Admin\AppData\Local\Temp\1bn510fc.wz2\7z.dll

    Filesize

    893KB

    MD5

    04ad4b80880b32c94be8d0886482c774

    SHA1

    344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

    SHA256

    a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

    SHA512

    3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

  • \Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe

    Filesize

    6.5MB

    MD5

    7cebfc77c14cdec8b6a1701739b11cd3

    SHA1

    ad9145e77efb833e493d9894152d5f05a7d08636

    SHA256

    3f74e3de48b7d500697a08cd823520fb998c9a9a21fc1a4c9de45d5181ba5be1

    SHA512

    8af74deefeeeffe64606b5ea2a70af3a2bf6eb8481c620029db7447fca1d5a9bebb8dbcbe70ff038d50cf642541ef7a6632f7816bf958405df73755543d0c210

  • memory/1632-63-0x00000000048F0000-0x00000000049E0000-memory.dmp

    Filesize

    960KB

  • memory/1632-55-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1632-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

    Filesize

    8KB

  • memory/1632-68-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-79-0x0000000075FB0000-0x0000000075FE5000-memory.dmp

    Filesize

    212KB

  • memory/1756-85-0x0000000074150000-0x0000000074167000-memory.dmp

    Filesize

    92KB

  • memory/1756-65-0x00000000001A0000-0x00000000001DE000-memory.dmp

    Filesize

    248KB

  • memory/1756-62-0x00000000008D0000-0x00000000009C0000-memory.dmp

    Filesize

    960KB

  • memory/1756-67-0x0000000075320000-0x00000000753CC000-memory.dmp

    Filesize

    688KB

  • memory/1756-69-0x0000000075E20000-0x0000000075E67000-memory.dmp

    Filesize

    284KB

  • memory/1756-70-0x0000000077340000-0x0000000077397000-memory.dmp

    Filesize

    348KB

  • memory/1756-71-0x0000000075100000-0x0000000075109000-memory.dmp

    Filesize

    36KB

  • memory/1756-72-0x0000000074340000-0x00000000748EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-74-0x0000000074340000-0x00000000748EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-73-0x00000000761F0000-0x0000000076E3A000-memory.dmp

    Filesize

    12.3MB

  • memory/1756-76-0x0000000076000000-0x000000007615C000-memory.dmp

    Filesize

    1.4MB

  • memory/1756-77-0x0000000075000000-0x000000007505B000-memory.dmp

    Filesize

    364KB

  • memory/1756-78-0x0000000060340000-0x0000000060348000-memory.dmp

    Filesize

    32KB

  • memory/1756-61-0x00000000751A0000-0x00000000751EA000-memory.dmp

    Filesize

    296KB

  • memory/1756-80-0x0000000075CD0000-0x0000000075DED000-memory.dmp

    Filesize

    1.1MB

  • memory/1756-81-0x0000000064E70000-0x0000000065142000-memory.dmp

    Filesize

    2.8MB

  • memory/1756-84-0x00000000753E0000-0x000000007546F000-memory.dmp

    Filesize

    572KB

  • memory/1756-64-0x00000000008D0000-0x00000000009C0000-memory.dmp

    Filesize

    960KB

  • memory/1756-86-0x00000000740D0000-0x00000000740E5000-memory.dmp

    Filesize

    84KB

  • memory/1756-87-0x00000000740F0000-0x0000000074142000-memory.dmp

    Filesize

    328KB

  • memory/1756-89-0x0000000076E70000-0x0000000076E89000-memory.dmp

    Filesize

    100KB

  • memory/1756-90-0x0000000073FC0000-0x000000007400F000-memory.dmp

    Filesize

    316KB

  • memory/1756-91-0x0000000074010000-0x0000000074068000-memory.dmp

    Filesize

    352KB

  • memory/1756-92-0x0000000076E70000-0x0000000076E89000-memory.dmp

    Filesize

    100KB

  • memory/1756-93-0x0000000073FA0000-0x0000000073FBC000-memory.dmp

    Filesize

    112KB

  • memory/1756-94-0x00000000752B0000-0x00000000752BC000-memory.dmp

    Filesize

    48KB

  • memory/1756-96-0x0000000076E40000-0x0000000076E67000-memory.dmp

    Filesize

    156KB

  • memory/1756-97-0x00000000008D0000-0x00000000009C0000-memory.dmp

    Filesize

    960KB

  • memory/1756-98-0x00000000001A0000-0x00000000001DE000-memory.dmp

    Filesize

    248KB

  • memory/1756-99-0x0000000075E20000-0x0000000075E67000-memory.dmp

    Filesize

    284KB

  • memory/1756-100-0x0000000074340000-0x00000000748EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-101-0x0000000060340000-0x0000000060348000-memory.dmp

    Filesize

    32KB

  • memory/1756-102-0x0000000073380000-0x0000000073510000-memory.dmp

    Filesize

    1.6MB

  • memory/1756-103-0x0000000073D00000-0x0000000073D5F000-memory.dmp

    Filesize

    380KB

  • memory/1756-104-0x000000000275A000-0x000000000276B000-memory.dmp

    Filesize

    68KB

  • memory/1756-105-0x0000000073CE0000-0x0000000073CF3000-memory.dmp

    Filesize

    76KB

  • memory/1756-106-0x000000000275A000-0x000000000276B000-memory.dmp

    Filesize

    68KB