Analysis
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max time kernel
149s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 05:41
Static task
static1
Behavioral task
behavioral1
Sample
202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe
Resource
win10v2004-20220901-en
General
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Target
202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe
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Size
918KB
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MD5
7500401571915dbba590ebf8c4f5cba0
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SHA1
88a67d4db4205fb5b63f796be56da4dd898160ed
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SHA256
202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677
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SHA512
f8d996850925fa5e5503c2faf736b60a4c42ed9a0346c84b6ccc4c00e76fbfc6bae4dbd2506dd41c59bcbca5b9367aa9a6b7e9874d9fb530abe4ba9b8a5f56e9
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SSDEEP
1536:i4OObhOhTPs3mK+rOMRsngTMj5qwYpslkOXoicUb:i4zbhWleMQyMtVSslZXoi9
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\vtmzqiuveb = "C:\\Windows\\SysWOW64\\taskcompr.exe" 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe -
Executes dropped EXE 1 IoCs
pid Process 5012 taskcompr.exe -
resource yara_rule behavioral2/memory/1692-133-0x0000000000800000-0x00000000008D2000-memory.dmp upx behavioral2/memory/1692-137-0x0000000000800000-0x00000000008D2000-memory.dmp upx behavioral2/memory/1692-138-0x0000000000800000-0x00000000008D2000-memory.dmp upx -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\taskcompr.exe 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe File created C:\Windows\SysWOW64\taskcompr.exe 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe 5012 taskcompr.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe Token: SeDebugPrivilege 5012 taskcompr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1692 wrote to memory of 5012 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 80 PID 1692 wrote to memory of 5012 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 80 PID 1692 wrote to memory of 5012 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 80 PID 1692 wrote to memory of 2948 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 82 PID 1692 wrote to memory of 2948 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 82 PID 1692 wrote to memory of 2948 1692 202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe"C:\Users\Admin\AppData\Local\Temp\202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe"1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\taskcompr.exeC:\Windows\SysWOW64\taskcompr.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5012
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C:\Windows\SysWOW64\cmd.exe/c C:\Users\Admin\AppData\Local\Temp\~unins4006.bat "C:\Users\Admin\AppData\Local\Temp\202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe"2⤵PID:2948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
49B
MD59e0a2f5ab30517809b95a1ff1dd98c53
SHA15c1eefdf10e67d1e9216e2e3f5e92352d583c9ce
SHA25697ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32
SHA512e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42
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Filesize
308KB
MD5bf47171acc372d42c92cb5a2333b9ff0
SHA160586dc14c9ab969e96c7850efaac709852bcefa
SHA2569e2716ab111fc7a675e15bf6e73e111b807468be55c4a54734068eb8022440a3
SHA5121e58a28f599c4184c31571aa1d745704895f30d0c62e0ff81114f4c6a2351d5e8d3873d2ef77fa4a42915609a00463c384957e3b4dd420f9ae609432d968055c
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Filesize
308KB
MD5bf47171acc372d42c92cb5a2333b9ff0
SHA160586dc14c9ab969e96c7850efaac709852bcefa
SHA2569e2716ab111fc7a675e15bf6e73e111b807468be55c4a54734068eb8022440a3
SHA5121e58a28f599c4184c31571aa1d745704895f30d0c62e0ff81114f4c6a2351d5e8d3873d2ef77fa4a42915609a00463c384957e3b4dd420f9ae609432d968055c