Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2023, 17:27

General

  • Target

    NEAS.3b495c04681d666a5e12a7f5a82d0287_JC.exe

  • Size

    212KB

  • MD5

    3b495c04681d666a5e12a7f5a82d0287

  • SHA1

    a14b284e44c60a5dd9e310d41c1d0d35e94b3389

  • SHA256

    601dd6264dca017c43b8acf71ca982a404317a8a5e1ff4981807a73230154113

  • SHA512

    4e51c6678c2f4242919fab3eb67d1392fb4776792b86d564b650024438b3cad2cae2d3f93d25e5339bf9f6b3969eb44f597cf22b79f58e40fde6e7055e9dd833

  • SSDEEP

    3072:lXi+1IfIwFs7ZbxrAerbWu7s3BLbOyYkW8/1HSG9VRfqXlzcM8tKog8vCa30+Z:lXMwwW7Z1rAeXT8bOcdHd9yrpoBv8+

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.3b495c04681d666a5e12a7f5a82d0287_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.3b495c04681d666a5e12a7f5a82d0287_JC.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    304B

    MD5

    e16830c93bb22d67bfefcf1f5023a8c2

    SHA1

    f8e855cab42d44be80fcf291412e8c061558bef2

    SHA256

    42164e4284d5e6ced1f6d68a7a334c82bb7ad3b75c20512ab23758fe98d1b672

    SHA512

    cc932a17c41484c083b6d4038efb65b0bd181c00f50b578d4dbf0a578747ab1be588c65abc23e2f06d5c61b02b196101f14ce60f907cd6a3465be87ee689b2f0

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    304B

    MD5

    3e72d9fc08d804d0f9518d22360c69b4

    SHA1

    4784e88ae9ed3bdda9c90e37d3b81bc42eaad5cb

    SHA256

    ccad01243df12f67375e383fd496a44a9fb05cf88cc7c18e4c9d5611ceb9c7cf

    SHA512

    9ac707960246eb84e2dd6f56590c9b5cfe8d9d64a53b3f4fe24a02b52eea037d6a305c3c9129741ef5bdbebe959a84e90976d0dc4ec6f22e3db35466374725e1

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    304B

    MD5

    5aa359b2516858ff57bc00508a85b3d3

    SHA1

    9ff84975fe2234de0eaa745382a3b73b137db9ac

    SHA256

    017264e0ce6ce51d15eb5004da1dfcf5cbf352409dd27281891dd95f31cfd8d5

    SHA512

    7c4467cefd83a7ac70227c47072cfde4b3ad67d43262962f78d86acee8669ba61d37468b4c85e86e6883f1a0728327ec39a9198dfaa4b8490b792d4c0276ba14

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    304B

    MD5

    4f0e9ad06455e11f17cc9a4c384bbffc

    SHA1

    da562f1f941456bb8875a91f52bdca159f284597

    SHA256

    dfea5106f2849bda21ab28112092451c06fc7e265b075f4116e628018b4b306e

    SHA512

    44040b387b88fb5046cf2bbce42ef79143f715a819095b6792f458c4c56741d592725b0c41eab1eab9053f26eb0fa664d9b8c53a97ed26b43c04b029171abc93

  • C:\Users\Admin\AppData\Local\Temp\19EC.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\A9CC.tmp

    Filesize

    2KB

    MD5

    d5063dd488c931953102950f90f660bf

    SHA1

    acaa77325b5257470621ea595c5e571e5ed6e6c3

    SHA256

    e05931fc8bed29c679b58da6ede484ffa498574af51d4bf283366e0722d48eb7

    SHA512

    cea6cfbb6e42d8a1a578f2c99dfa9e48e6ab62d6bff06e3f9a7c426e112268795b406bb86ef24c3cfb258612b5d10031112ae3d6c2ed46057257155c32f6e2f7

  • C:\Users\Admin\AppData\Local\Temp\CabE302.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\E0ED.tmp

    Filesize

    1KB

    MD5

    d4776245d86630b6baa916c40597eba2

    SHA1

    e5675b01ae79e79cdb33dcaf656fae7b11f1c039

    SHA256

    8d820718b89814efb1bdce655cac0b9ef5fa1746746a0602537c540bd2862af7

    SHA512

    40c1fa448023123c3051923d798eab6977b25fa1d500af672add5e7756bb6d673965f31d3509f199ac4661dbaf35d55591fd955137554327f71c903abb772282

  • C:\Users\Admin\AppData\Local\Temp\TarE536.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    8ca618969ac4812adc5fa667e2abf8a9

    SHA1

    bd78273277467e95bed317d08c29618375a9b6e1

    SHA256

    8dde8ae7557e944b284aa7aa7552e50bf8330ac57b5a5883252747911623d918

    SHA512

    4a3c8f72d9f6f504771e292cbaf9ea23411200c6c5b757d88f10ff33a07e3c3c2d53765c23fae0117968abf65a66793482a6fe29b443948d50549d38b69a4d6c

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    8ca618969ac4812adc5fa667e2abf8a9

    SHA1

    bd78273277467e95bed317d08c29618375a9b6e1

    SHA256

    8dde8ae7557e944b284aa7aa7552e50bf8330ac57b5a5883252747911623d918

    SHA512

    4a3c8f72d9f6f504771e292cbaf9ea23411200c6c5b757d88f10ff33a07e3c3c2d53765c23fae0117968abf65a66793482a6fe29b443948d50549d38b69a4d6c

  • C:\Windows\apppatch\svchost.exe

    Filesize

    212KB

    MD5

    8ca618969ac4812adc5fa667e2abf8a9

    SHA1

    bd78273277467e95bed317d08c29618375a9b6e1

    SHA256

    8dde8ae7557e944b284aa7aa7552e50bf8330ac57b5a5883252747911623d918

    SHA512

    4a3c8f72d9f6f504771e292cbaf9ea23411200c6c5b757d88f10ff33a07e3c3c2d53765c23fae0117968abf65a66793482a6fe29b443948d50549d38b69a4d6c

  • \Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    8ca618969ac4812adc5fa667e2abf8a9

    SHA1

    bd78273277467e95bed317d08c29618375a9b6e1

    SHA256

    8dde8ae7557e944b284aa7aa7552e50bf8330ac57b5a5883252747911623d918

    SHA512

    4a3c8f72d9f6f504771e292cbaf9ea23411200c6c5b757d88f10ff33a07e3c3c2d53765c23fae0117968abf65a66793482a6fe29b443948d50549d38b69a4d6c

  • \Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    8ca618969ac4812adc5fa667e2abf8a9

    SHA1

    bd78273277467e95bed317d08c29618375a9b6e1

    SHA256

    8dde8ae7557e944b284aa7aa7552e50bf8330ac57b5a5883252747911623d918

    SHA512

    4a3c8f72d9f6f504771e292cbaf9ea23411200c6c5b757d88f10ff33a07e3c3c2d53765c23fae0117968abf65a66793482a6fe29b443948d50549d38b69a4d6c

  • memory/2096-16-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/2096-9-0x0000000000230000-0x0000000000281000-memory.dmp

    Filesize

    324KB

  • memory/2096-1-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/2096-0-0x0000000000230000-0x0000000000281000-memory.dmp

    Filesize

    324KB

  • memory/2120-51-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-64-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-37-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-38-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/2120-39-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-40-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-41-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-42-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-43-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-44-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-45-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-46-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-47-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-48-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-49-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-50-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-35-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-53-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-52-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-54-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-55-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-56-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-58-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-59-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-60-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-61-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-62-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-36-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-65-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-68-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-69-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-70-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-71-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-72-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-73-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-74-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-33-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-82-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-84-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-85-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-88-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-87-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-89-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-90-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-168-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-31-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-29-0x00000000026F0000-0x00000000027A6000-memory.dmp

    Filesize

    728KB

  • memory/2120-27-0x0000000002540000-0x00000000025E8000-memory.dmp

    Filesize

    672KB

  • memory/2120-25-0x0000000002540000-0x00000000025E8000-memory.dmp

    Filesize

    672KB

  • memory/2120-23-0x0000000002540000-0x00000000025E8000-memory.dmp

    Filesize

    672KB

  • memory/2120-21-0x0000000002540000-0x00000000025E8000-memory.dmp

    Filesize

    672KB

  • memory/2120-19-0x0000000002540000-0x00000000025E8000-memory.dmp

    Filesize

    672KB

  • memory/2120-17-0x0000000002540000-0x00000000025E8000-memory.dmp

    Filesize

    672KB