Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
04/04/2024, 23:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe
Resource
win7-20231129-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe
Resource
win10v2004-20240226-en
7 signatures
150 seconds
General
- Target 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe
- Size 204KB
- Sample240404-29pmssdb8s
- SHA256 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081
- MD5 2bfbf6f7f65b561b9581c55f3e1fc46a
- SHA1 c71424b09614f24ff802a2c1037d11a7ccebb2a1
- SHA512 8048bc8811b567641360227d12342b638741754bc4a057b7d332499fdda7540e5e484d6ff3e6cad5f210428708580e133320023df664101a69e03162c55c7612
- SSDEEP 3072:x5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:xLexkuRaX41xoyJV65gzyZko+uc
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe," svchost.exe - Executes dropped EXE 1 IoCs
pid Process 1684 svchost.exe - Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\efaaba21 = "Ÿ\x06‰h$ >\x10\x1a%Û¿\x14CS4\u0081üÏ\x1aÑB`ûã$\x10Lª[ò|\x02;®„Å*McÅ?̦\x0f´MÍt'Ä–Ç\x7fþªlû\x0e“\x1a\u009dSí\x12Öœ^Å3ãíteL†,\x06C§6gÄ¢o¬›Gã«Ö<n:º'|jÄBWŒ\x16^\x1d\a;ZT‚4þ\x03$Ÿvcæ.D\x14}\\O?db«T.t̆MoL®<,Kd–\\Bë*õ#t\\Ž”\vVÔ®Ã$^<‡m….d\x14&½»\rNoBvþÌl®|ž÷Ãܶ‡¼tï&¶î#c’\x13\x0fcÚÛ\\Æä|¦†ë\u008f\u008dšö\x1c\f¢G\x05¾V?Ά~•>»ž¾.ãíýžBä\x04%ÛRº2ƒ&eü-%GžŸ}ä*òÎÛvlÄC>\x0f" 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\efaaba21 = "Ÿ\x06‰h$ >\x10\x1a%Û¿\x14CS4\u0081üÏ\x1aÑB`ûã$\x10Lª[ò|\x02;®„Å*McÅ?̦\x0f´MÍt'Ä–Ç\x7fþªlû\x0e“\x1a\u009dSí\x12Öœ^Å3ãíteL†,\x06C§6gÄ¢o¬›Gã«Ö<n:º'|jÄBWŒ\x16^\x1d\a;ZT‚4þ\x03$Ÿvcæ.D\x14}\\O?db«T.t̆MoL®<,Kd–\\Bë*õ#t\\Ž”\vVÔ®Ã$^<‡m….d\x14&½»\rNoBvþÌl®|ž÷Ãܶ‡¼tï&¶î#c’\x13\x0fcÚÛ\\Æä|¦†ë\u008f\u008dšö\x1c\f¢G\x05¾V?Ά~•>»ž¾.ãíýžBä\x04%ÛRº2ƒ&eü-%GžŸ}ä*òÎÛvlÄC>\x0f" svchost.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\apppatch\svchost.exe 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe File created C:\Windows\apppatch\svchost.exe 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe 1684 svchost.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3268 wrote to memory of 1684 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 89 PID 3268 wrote to memory of 1684 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 89 PID 3268 wrote to memory of 1684 3268 9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe"C:\Users\Admin\AppData\Local\Temp\9a140445e5215de59593e5e012b2534f3168eb6a37d85d4cc5d4c93cb1d4e081.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
PID:1684
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IGS2C121\login[1].htm
- Size 168B
- SHA256 43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
- MD5 d57e3a550060f85d44a175139ea23021
- SHA1 2c5cb3428a322c9709a34d04dd86fe7628f8f0a6
- SHA512 0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\2C33.tmp
- Size 22KB
- SHA256 60ba69c50bbae0e74bdd08c82d9a6174c9bcd74fe9f26eba955315332f11fbed
- MD5 7ebaee113d366f8b71ac07571db70995
- SHA1 542ed5fdf4a295cb910621877d54760542092b39
- SHA512 4ca13cbf105c893473b4cce58251236c553b1d06dfe710a785857204a1c6de7571f7df59ce5e7bc1a88c82e3c4097e1ac07ef3d248447cd07f60913fbb399667
- SSDEEP 384:P0YZ3Jjaxk9sU4B5xLlrzEoqdJ4z0T2LxJsGUjq8Bo7C/Vao:dZ3VGB5h6rbT2t6M8BoetX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3487.tmp
- Size 481B
- SHA256 4a718dfc47da97ecf3130172dde597be25eaad53ce87515af8f072965bed5495
- MD5 2648ed89fb355b90ea06b9f136bcbd9f
- SHA1 b360969a7253e2d175fa1a3b674be21a97b4ac16
- SHA512 5840b9ac376240a660f8d28eac920cb0b8a0fca820cfa2a6f734087f7f83d373bb7d7a54e950905598668cdaca8365a3cc3a97059ee090e95f08267e4a0efd98
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\34B7.tmp
- Size 41KB
- SHA256 d2f75eb69041046309d18344067b6205a35ff196921825f379de00b38c6b9255
- MD5 7752fc095f27068ed4b0b75764a0f904
- SHA1 822ebfecceb1c91b1082c80eb8141da68d1a1f87
- SHA512 875b382cf9a285504d3e7842ab30894bc3bc3620ff4e160ae63f0336b6364e78b4799f2ccc14ba57c45c85579b44141c8f1242ae08fe5a6befc2299c6cb2c6a6
- SSDEEP 768:A6eLDU7W3WFK7pI4tqcLQa33mXYoQibYyDdkO3eVmoc2NtJqDKH2rsE6YkXGpYe:AD33b1I4tPV3+xtY+dkO38NtJqCJJdG3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\4802.tmp
- Size 593B
- SHA256 b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
- MD5 926512864979bc27cf187f1de3f57aff
- SHA1 acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
- SHA512 f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\636B.tmp
- Size 481B
- SHA256 8e23bfb2087fe8429402af5c1df0c62cda930edc24b9def9f75b8f66ed22f381
- MD5 cb9ba43384b96e3e8a813fe584c7248a
- SHA1 add8cbea8d9c399b43df623a829a122ed2569dfa
- SHA512 b2b0c02eebd18ac2fdd780d67efb9cb5070beeb5778e796eaed645c2333f30519d248cd8e3c987c90c5c068dfe66a1a269b7fd3b6a391c808f8f06b961ffa162
- MD5 SHA1 SHA512
- Path C:\Windows\apppatch\svchost.exe
- Size 204KB
- SHA256 4f3b42531331c509c2157205871c6c5f5d3f9c029fb9fc13ccbc21f0fab7d4c3
- MD5 32c2bae7c953f95b91b28b2d0c2dec44
- SHA1 6655f12a7c8f98e8756b17e002803225dfb1b821
- SHA512 22bad109dfbb9a4163a50316193fbd502a9840178d266457b557069a4123b048bcd48fd961dc58e1f99d2b4791ab2d22b28b8e48b73acdea03831a984650ffb7
- SSDEEP 3072:s5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:sLexkuRaX41xoyJV65gzyZko+uc
- MD5 SHA1 SHA512 SSDEEP