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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2024, 16:22

General

  • Target

    77d2dac8adc2170b5dbb6cb81da39484.exe

  • Size

    624KB

  • MD5

    77d2dac8adc2170b5dbb6cb81da39484

  • SHA1

    4dcbcb676a3941fd5c712289d61f5d24c0a540b3

  • SHA256

    17240c11b5d3a7e72a83e17700991de77a9e80c17245f12935ad7185ae035bff

  • SHA512

    53e8f9c3dc53da6e8683df568a0c7290f56c0c1acd75bf82ad8ccc5aec3fda279846f4d786711b4e2941f41d71aad7adf48cee0e6a1efb3083ac122f57497bc2

  • SSDEEP

    12288:aRF6tTn/4hkFS8l8UprDFxQtfQe1FgXAtfND9wPGNh5:xtT/4mgu5CtfPFgXifNDWPu

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77d2dac8adc2170b5dbb6cb81da39484.exe
    "C:\Users\Admin\AppData\Local\Temp\77d2dac8adc2170b5dbb6cb81da39484.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\Temp\21.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp\21.exe"
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:4528
    • C:\Users\Admin\AppData\Local\Temp\Temp\QvodSetup5.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp\QvodSetup5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3260
  • C:\Windows\SysWOW64\Svchost.exe
    C:\Windows\SysWOW64\Svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
    1⤵
    • Loads dropped DLL
    PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Temp\21.exe

    Filesize

    84KB

    MD5

    253f2fde80632a83581804a7b738657f

    SHA1

    412a963725ba924c310b5775698b372c6f0cfaaf

    SHA256

    310b8d3c80bc61371837c57c00a74cd263263f0f519faa713154e0da454dd88d

    SHA512

    62750357b04c25dda8a9a6d99ee885d6316691ad67e108093b524edc98b612a207ce9be92136c08a550073171590d97f646be868a10f42f744a56e4e0fff3327

  • C:\Users\Admin\AppData\Local\Temp\Temp\QvodSetup5.exe

    Filesize

    520KB

    MD5

    93e466074cb7d1833dd8f8f37dd85aed

    SHA1

    c573a442d165bac4bfd5b15d4e1e88060c916fb5

    SHA256

    b2da1f5a555d7e7f6d787e729628e95c858cc6112a5073680062f3b066352e28

    SHA512

    d3b1a121658cefa0ab19e9bc13e430b877f697622c1c3ac392b5040bc7687a292e0097ec4d8c32cef4834bdd452cd8f9997ede9cbd1cd252dc24af92898e592b

  • C:\Users\Infotmp.txt

    Filesize

    724B

    MD5

    699044976dea8a8de770f7606bfe21be

    SHA1

    91cc3bd4af4435262928633c890bb61d4d9a379e

    SHA256

    25558d41cab8fa52e67d14aae1b0ed21723a5fce5b5b609993420da729c13a87

    SHA512

    9408f828d7d95aff5783fe35b8fc4fb8ef127d76ce4377f5aeb5329daa92babc5cf180c9c57e834dff2d33c35e3bc87808e17cb6a18be7ec28894cd1537a2c24

  • \??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

    Filesize

    84KB

    MD5

    e5e4662d1ffb37f096d5d1200f989023

    SHA1

    da32d3a6867e42c3e03f5b20c4479d1b96920a88

    SHA256

    4c6f69d3188dddae6726596b4769344f57a024529311eb7d27898203a7aa9cdd

    SHA512

    d9889e26843d787615515148f7b85877c5b33cd8b65bd16ba6ce953aa9aaa540201e37e08e16d1176a09d75a33bdc169f0d2610b45f9120394823be4a7664472

  • memory/3040-44-0x0000000074640000-0x0000000074667000-memory.dmp

    Filesize

    156KB

  • memory/3040-41-0x0000000074640000-0x0000000074667000-memory.dmp

    Filesize

    156KB

  • memory/3040-39-0x0000000074640000-0x0000000074667000-memory.dmp

    Filesize

    156KB

  • memory/3040-40-0x0000000074640000-0x0000000074667000-memory.dmp

    Filesize

    156KB

  • memory/3260-24-0x0000000000960000-0x0000000000961000-memory.dmp

    Filesize

    4KB

  • memory/3260-51-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-59-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-56-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-22-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-55-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-52-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-49-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-48-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-46-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3260-47-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/4528-45-0x0000000076BE0000-0x0000000076C05000-memory.dmp

    Filesize

    148KB

  • memory/4528-43-0x0000000000450000-0x0000000000477000-memory.dmp

    Filesize

    156KB

  • memory/4528-31-0x0000000076BE0000-0x0000000076C05000-memory.dmp

    Filesize

    148KB

  • memory/4528-11-0x0000000000450000-0x0000000000477000-memory.dmp

    Filesize

    156KB

  • memory/4528-21-0x0000000000450000-0x0000000000477000-memory.dmp

    Filesize

    156KB

  • memory/4528-17-0x0000000000450000-0x0000000000477000-memory.dmp

    Filesize

    156KB

  • memory/4528-27-0x0000000077722000-0x0000000077723000-memory.dmp

    Filesize

    4KB