Analysis
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max time kernel
153s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 19:42
Static task
static1
Behavioral task
behavioral1
Sample
0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe
Resource
win10v2004-20220812-en
General
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Target
0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe
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Size
423KB
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MD5
f075a14d46a1faf9e7a520e083e62281
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SHA1
f287846c5da6771d8f81e540e2c3265130ec4437
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SHA256
0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0
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SHA512
69238a7628d97c6e131ff298cc91c14b0e1159786c7ff857008c1f9b6818fd9a0098a26f5e77cfd1bd165f3358b9e6f1e47b1f6c44332650515fcc45b459f012
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SSDEEP
6144:Ge5gv7228zcEhuY8doKSCNoAxylD3OmVRn9YGjIHf9Bhip4ibT3VxPzWFxn9y:Gfv+epDbyk0nLi1fxIBxixn
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hamex\\Hamex\\1.0.0.0\\WindowsUpdate.exe\"" 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe File opened for modification C:\Windows\assembly\Desktop.ini 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2836 set thread context of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe File created C:\Windows\assembly\Desktop.ini 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe File opened for modification C:\Windows\assembly\Desktop.ini 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5112 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5112 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5112 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80 PID 2836 wrote to memory of 5112 2836 0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe"C:\Users\Admin\AppData\Local\Temp\0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Local\Temp\0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exeC:\Users\Admin\AppData\Local\Temp\0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe2⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0f90eda8458508b2a054636e8dfb97a852f527e0020f5f83ffc974441c8261b0.exe.log
Filesize771B
MD58d62bbabdf7b4f0f60cd9eae79236ed5
SHA1d6477264febcf5bd26ad44b6e9c60a3567e48967
SHA256f352c1aa1d93ee66e12948e5e3add72d7c25dda070df9b6a5040cb60e289ddd4
SHA51296949b062c1a99094453e4c76175aecf10a9b2c89e102e6a63d8c13e58a56076d5f5e1d41cdcd147738b17574c42c1f8d01253f7d3ed953cad7b6537ed162afd