Analysis
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max time kernel
134s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 19:16
Behavioral task
behavioral1
Sample
RobloxPlayerLauncher.exe
Resource
win7-20241023-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
RobloxPlayerLauncher.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
RobloxPlayerLauncher.exe
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Size
9.9MB
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MD5
5c5df6c4b78bfb7d355e572b6cfce6d2
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SHA1
830265d6a2765a753e9d9dee7b9a889aa025fb5b
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SHA256
5c4c6ef3aed460f7ea15025bc160768e00c988747b943c99faf9f09b73f86e18
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SHA512
ea058263672e14bd4c3730d471489a04f97ba697eb9fbae4ff5e6c735f3438c99720cbe3a308bd25d081006be54b0ac77c4f43839dd57abb6408e2f4781e7689
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SSDEEP
98304:BzU4brhxBASgf/gEpiji6Ig8TWAREIICafZm/mbnXg:BxrhxBAGZji6IdThyRTXg
Score
10/10
Malware Config
Extracted
Family
skuld
C2
https://discord.com/api/webhooks/1299276926313168939/nUyg4ujtj0ahOQ9bQrsonhIejMu_TEy5WSbSW1zNiMPvu82xYEoKx__3y8ucAcZ122uh
Signatures
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Skuld family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" RobloxPlayerLauncher.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 api.ipify.org 4 api.ipify.org 9 ip-api.com -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 10 Go-http-client/1.1 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C RobloxPlayerLauncher.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 RobloxPlayerLauncher.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 5c000000010000000400000000080000190000000100000010000000a823b4a20180beb460cab955c24d7e21030000000100000014000000b1bc968bd4f49d622aa89a81f2150152a41d829c7e00000001000000080000000000042beb77d5017a000000010000000c000000300a06082b060105050703097f000000010000000c000000300a06082b060105050703091d00000001000000100000006ee7f3b060d10e90a31ba3471b999236140000000100000014000000607b661a450d97ca89502f7d04cd34a8fffcfd4b620000000100000020000000ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c990b000000010000003000000047006c006f00620061006c005300690067006e00200052006f006f00740020004300410020002d002000520031000000530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0090000000100000068000000306606082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050508020206082b0601050507030606082b0601050507030706082b0601050507030906082b0601050507030106082b060105050703080f00000001000000140000005a6d07b6371d966a2fb6ba92828ce5512a49513d0400000001000000100000003e455215095192e1b75d379fb187298a200000000100000079030000308203753082025da003020102020b040000000001154b5ac394300d06092a864886f70d01010505003057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f74204341301e170d3938303930313132303030305a170d3238303132383132303030305a3057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100da0ee6998dcea3e34f8a7efbf18b83256bea481ff12ab0b9951104bdf063d1e26766cf1cddcf1b482bee8d898e9aaf298065abe9c72d12cbab1c4c7007a13d0a30cd158d4ff8ddd48c50151cef50eec42ef7fce952f2917de06dd535308e5e4373f241e9d56ae3b2893a5639386f063c88695b2a4dc5a754b86c89cc9bf93ccae5fd89f5123c927896d6dc746e934461d18dc746b2750e86e8198ad56d6cd5781695a2e9c80a38ebf224134f73549313853a1bbc1e34b58b058cb9778bb1db1f2091ab09536e90ce7b3774b97047912251631679aeb1ae412608c8192bd146aa48d6642ad78334ff2c2ac16c19434a0785e7d37cf62168efeaf2529f7f9390cf0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e04160414607b661a450d97ca89502f7d04cd34a8fffcfd4b300d06092a864886f70d01010505000382010100d673e77c4f76d08dbfecbaa2be34c52832b57cfc6c9c2c2bbd099e53bf6b5eaa1148b6e508a3b3ca3d614dd34609b33ec3a0e363551bf2baefad39e143b938a3e62f8a263befa05056f9c60afd38cdc40b705194979804dfc35f94d515c914419cc45d7564150dff5530ec868fff0def2cb96346f6aafcdfbc69fd2e1248649ae095f0a6ef298f01b115b50c1da5fe692c6924781eb3a71c7162eecac897ac175d8ac2f847866e2ac4563195d06789852bf96ca65d469d0caa82e49951dd70b7db563d61e46ae15cd6f6fe3dde41cc07ae6352bf5353f42be9c7fdb6f7825f85d24118db81b3041cc51fa4806f1520c9de0c880a1dd66655e2fc48c9292669e0 RobloxPlayerLauncher.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1532 RobloxPlayerLauncher.exe Token: SeIncreaseQuotaPrivilege 4884 wmic.exe Token: SeSecurityPrivilege 4884 wmic.exe Token: SeTakeOwnershipPrivilege 4884 wmic.exe Token: SeLoadDriverPrivilege 4884 wmic.exe Token: SeSystemProfilePrivilege 4884 wmic.exe Token: SeSystemtimePrivilege 4884 wmic.exe Token: SeProfSingleProcessPrivilege 4884 wmic.exe Token: SeIncBasePriorityPrivilege 4884 wmic.exe Token: SeCreatePagefilePrivilege 4884 wmic.exe Token: SeBackupPrivilege 4884 wmic.exe Token: SeRestorePrivilege 4884 wmic.exe Token: SeShutdownPrivilege 4884 wmic.exe Token: SeDebugPrivilege 4884 wmic.exe Token: SeSystemEnvironmentPrivilege 4884 wmic.exe Token: SeRemoteShutdownPrivilege 4884 wmic.exe Token: SeUndockPrivilege 4884 wmic.exe Token: SeManageVolumePrivilege 4884 wmic.exe Token: 33 4884 wmic.exe Token: 34 4884 wmic.exe Token: 35 4884 wmic.exe Token: 36 4884 wmic.exe Token: SeIncreaseQuotaPrivilege 4884 wmic.exe Token: SeSecurityPrivilege 4884 wmic.exe Token: SeTakeOwnershipPrivilege 4884 wmic.exe Token: SeLoadDriverPrivilege 4884 wmic.exe Token: SeSystemProfilePrivilege 4884 wmic.exe Token: SeSystemtimePrivilege 4884 wmic.exe Token: SeProfSingleProcessPrivilege 4884 wmic.exe Token: SeIncBasePriorityPrivilege 4884 wmic.exe Token: SeCreatePagefilePrivilege 4884 wmic.exe Token: SeBackupPrivilege 4884 wmic.exe Token: SeRestorePrivilege 4884 wmic.exe Token: SeShutdownPrivilege 4884 wmic.exe Token: SeDebugPrivilege 4884 wmic.exe Token: SeSystemEnvironmentPrivilege 4884 wmic.exe Token: SeRemoteShutdownPrivilege 4884 wmic.exe Token: SeUndockPrivilege 4884 wmic.exe Token: SeManageVolumePrivilege 4884 wmic.exe Token: 33 4884 wmic.exe Token: 34 4884 wmic.exe Token: 35 4884 wmic.exe Token: 36 4884 wmic.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1532 wrote to memory of 3024 1532 RobloxPlayerLauncher.exe 85 PID 1532 wrote to memory of 3024 1532 RobloxPlayerLauncher.exe 85 PID 1532 wrote to memory of 4476 1532 RobloxPlayerLauncher.exe 86 PID 1532 wrote to memory of 4476 1532 RobloxPlayerLauncher.exe 86 PID 1532 wrote to memory of 4884 1532 RobloxPlayerLauncher.exe 87 PID 1532 wrote to memory of 4884 1532 RobloxPlayerLauncher.exe 87 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 3024 attrib.exe 4476 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RobloxPlayerLauncher.exe"C:\Users\Admin\AppData\Local\Temp\RobloxPlayerLauncher.exe"1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\RobloxPlayerLauncher.exe2⤵
- Views/modifies file attributes
PID:3024
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C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe2⤵
- Views/modifies file attributes
PID:4476
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C:\Windows\System32\Wbem\wmic.exewmic csproduct get UUID2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
9.9MB
MD55c5df6c4b78bfb7d355e572b6cfce6d2
SHA1830265d6a2765a753e9d9dee7b9a889aa025fb5b
SHA2565c4c6ef3aed460f7ea15025bc160768e00c988747b943c99faf9f09b73f86e18
SHA512ea058263672e14bd4c3730d471489a04f97ba697eb9fbae4ff5e6c735f3438c99720cbe3a308bd25d081006be54b0ac77c4f43839dd57abb6408e2f4781e7689