Analysis
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max time kernel
94s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-09-2024 01:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Ydnzbiyou.exe
Resource
win7-20240903-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
Ydnzbiyou.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
Ydnzbiyou.exe
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Size
1.9MB
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MD5
094e6746e1752f9903aa0c1648477775
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SHA1
fb3089799dbcbad6f773cfdfc3155f8fe11c1cc1
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SHA256
b4ed047267c6bd91d08411d46e20536a5125318de158e0378b5125da04fa0b1d
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SHA512
40deac77c33afbd56bb064590320e658c4a51eab38e943b376518245464d3db6e6fc5c1be549cd79b76d4331ee07d038f5e29603f2a25c2e9bb7972cf364bbc1
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SSDEEP
49152:JRqmjynpJxHiO+gwK3fR3mXeXD5KYk6Hj+vWzgwR//T7:3q75zfR3muFE6Hj+OhR/77
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1512 created 3472 1512 Ydnzbiyou.exe 56 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zifhiieapx = "C:\\Users\\Admin\\AppData\\Roaming\\Zifhiieapx.exe" Ydnzbiyou.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1512 set thread context of 1228 1512 Ydnzbiyou.exe 88 -
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 Ydnzbiyou.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1512 Ydnzbiyou.exe 1512 Ydnzbiyou.exe 1512 Ydnzbiyou.exe 1512 Ydnzbiyou.exe 1228 InstallUtil.exe 1228 InstallUtil.exe 1228 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1512 Ydnzbiyou.exe Token: SeDebugPrivilege 1512 Ydnzbiyou.exe Token: SeDebugPrivilege 1228 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88 PID 1512 wrote to memory of 1228 1512 Ydnzbiyou.exe 88
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3472
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C:\Users\Admin\AppData\Local\Temp\Ydnzbiyou.exe"C:\Users\Admin\AppData\Local\Temp\Ydnzbiyou.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1228
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