Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-05-2021 12:29

General

  • Target

    e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe

  • Size

    2.2MB

  • MD5

    89c466989a3acfa3549909cfb3a2af6e

  • SHA1

    6117e6e01fcea6a324c30ffe611ccf625919d9ce

  • SHA256

    e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e

  • SHA512

    dc52f8b7d851f600437f366ceeb0a5031b764a929bd705fc7e32b351c9087a1fa6b267cd0657f89a81bffe76c0ae7e99074bda7dd128420cd092bc2eb35e9bd4

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    "C:\Users\Admin\AppData\Local\Temp\e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 600
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1344
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1952
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1908

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • C:\Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • C:\Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • C:\Users\Admin\AppData\Local\Temp\F7hVuH6e.xlsm
    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • \ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • \ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • \Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • \Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • \Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • \Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • \Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • \Users\Admin\AppData\Local\Temp\._cache_e62fe9f785fca1669840b7db105c774bbe00e5f5889720fb33eecf6175b6a51e.exe
    MD5

    f48d076b2d4237f0e1a8fc5a4d5234ca

    SHA1

    c28d3eacaaededa1d8c5192175925fa4d05c7e3b

    SHA256

    3528c9e999b2a5b14b7cb60122a46c0b0d9185b19b1090155fd152e669a96b86

    SHA512

    cdbc83e869d07a323923a0dc8f013c09be286a1ade9611435dcfb2f05556c709ff761650b216e0fee39d653c7d5c90ba55c06327c7bda05173d569050e4eff06

  • memory/1100-60-0x0000000075DA1000-0x0000000075DA3000-memory.dmp
    Filesize

    8KB

  • memory/1100-61-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/1344-86-0x0000000000430000-0x0000000000431000-memory.dmp
    Filesize

    4KB

  • memory/1344-77-0x0000000000000000-mapping.dmp
  • memory/1492-63-0x0000000000000000-mapping.dmp
  • memory/1492-71-0x00000000011A0000-0x00000000011A1000-memory.dmp
    Filesize

    4KB

  • memory/1492-76-0x00000000010D0000-0x00000000010D1000-memory.dmp
    Filesize

    4KB

  • memory/1908-75-0x000000006F621000-0x000000006F623000-memory.dmp
    Filesize

    8KB

  • memory/1908-82-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1908-74-0x000000002F801000-0x000000002F804000-memory.dmp
    Filesize

    12KB

  • memory/1952-68-0x0000000000000000-mapping.dmp
  • memory/1952-73-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB