Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2023, 19:45
Behavioral task
behavioral1
Sample
4c479566473499949657c49a04f56822.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
4c479566473499949657c49a04f56822.exe
Resource
win10v2004-20230221-en
General
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Target
4c479566473499949657c49a04f56822.exe
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Size
74KB
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MD5
4c479566473499949657c49a04f56822
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SHA1
ad4522e154a6926728939503763786e8898b745d
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SHA256
c2cda600256314b688cf195f809356e2592ba8df9de9c2b1a117a0ee26ccfa28
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SHA512
62f9d72d5955e367268a462f0110e9a3fd6db57987541b89c64e619a3ef77b1af56f66f449496ea4b64a27d76c4932760b364ee035f08950aae6efde81305401
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SSDEEP
1536:SUvQcxyN1hJC1GPMVNedj/aLEgIPH1br/JIH9AQzcGLVclN:SUYcxyNl+GPMVO/vVH1brBIHmQfBY
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.1
new rai tay
144.202.52.245:4449
clfdboaluvjjxdlt
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delay
1
-
install
true
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install_file
kyovn.exe
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install_folder
%Temp%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/3040-133-0x0000000000FE0000-0x0000000000FF8000-memory.dmp asyncrat -
Program crash 1 IoCs
pid pid_target Process procid_target 3304 3040 WerFault.exe 82 -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeIncreaseQuotaPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSecurityPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeTakeOwnershipPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeLoadDriverPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSystemProfilePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSystemtimePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeProfSingleProcessPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeIncBasePriorityPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeCreatePagefilePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeBackupPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeRestorePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeShutdownPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeDebugPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSystemEnvironmentPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeRemoteShutdownPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeUndockPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeManageVolumePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: 33 3040 4c479566473499949657c49a04f56822.exe Token: 34 3040 4c479566473499949657c49a04f56822.exe Token: 35 3040 4c479566473499949657c49a04f56822.exe Token: 36 3040 4c479566473499949657c49a04f56822.exe Token: SeIncreaseQuotaPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSecurityPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeTakeOwnershipPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeLoadDriverPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSystemProfilePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSystemtimePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeProfSingleProcessPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeIncBasePriorityPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeCreatePagefilePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeBackupPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeRestorePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeShutdownPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeDebugPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeSystemEnvironmentPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeRemoteShutdownPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeUndockPrivilege 3040 4c479566473499949657c49a04f56822.exe Token: SeManageVolumePrivilege 3040 4c479566473499949657c49a04f56822.exe Token: 33 3040 4c479566473499949657c49a04f56822.exe Token: 34 3040 4c479566473499949657c49a04f56822.exe Token: 35 3040 4c479566473499949657c49a04f56822.exe Token: 36 3040 4c479566473499949657c49a04f56822.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4c479566473499949657c49a04f56822.exe"C:\Users\Admin\AppData\Local\Temp\4c479566473499949657c49a04f56822.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3040 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3040 -s 13082⤵
- Program crash
PID:3304
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 476 -p 3040 -ip 30401⤵PID:4816