Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20250610-en -
resource tags
arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system -
submitted
02/07/2025, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe
Resource
win10v2004-20250610-en
General
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Target
b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe
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Size
704KB
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MD5
56e0cf07e3dac1ee43791f4aa5c08e15
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SHA1
6467651f85c86ca1f30aa9c321590420f447361f
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SHA256
b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc
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SHA512
ba4a46c30da7bb7b2676feb40356e2e3a6ef01583e2f8a886ebf164b7241a59dd2fcf2ff1e9510f1f93b33e486a7bdeff9e42641a935d09778d32bbd4ee2a31a
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SSDEEP
12288:4SvO2x9mONvKRILSFnOkx2LIaxy6RJ05r:TvO2xJKRI2FOkx2LFEF
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5724 a72a9441 -
Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 67 223.5.5.5 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe Destination IP 1 114.114.114.114 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe Destination IP 29 223.5.5.5 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe Destination IP 55 114.114.114.114 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\a72a9441 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a72a9441 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a72a9441 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a72a9441 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a72a9441 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\61ff38 a72a9441 File opened for modification C:\Windows\6880b0 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a72a9441 -
Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a72a9441 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a72a9441 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a72a9441 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a72a9441 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a72a9441 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a72a9441 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a72a9441 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a72a9441 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5724 a72a9441 5724 a72a9441 5724 a72a9441 5724 a72a9441 5724 a72a9441 5724 a72a9441 5724 a72a9441 5724 a72a9441 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe Token: SeTcbPrivilege 6104 b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe Token: SeDebugPrivilege 5724 a72a9441 Token: SeTcbPrivilege 5724 a72a9441
Processes
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C:\Users\Admin\AppData\Local\Temp\b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe"C:\Users\Admin\AppData\Local\Temp\b8c38ff0920eb09907893c891eb456eb23285ad483ed9db00344f03b083788fc.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6104
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C:\Windows\Syswow64\a72a9441C:\Windows\Syswow64\a72a94411⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5724
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
704KB
MD5981cb3ae6ad9ae7d254a9399d5463a5f
SHA103b042e13b7c0cc1573f8034243f8de37f0bf845
SHA256212bf2e275809574f93c0cae2d24e27b67f284981f503fe68504ff55137f0e6a
SHA5122c3ea7155c46f62b623f58ac12fbdca83ff110013df93c742596d2b5ff073fcd0059f1dd9099a525983fbfaf47e44739368c4a57f5b9b58d0194321445f13d51