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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30/12/2023, 22:36
Static task
static1
Behavioral task
behavioral1
Sample
1ea9c0ea0563f7681e6f6519f070f079.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1ea9c0ea0563f7681e6f6519f070f079.exe
Resource
win10v2004-20231215-en
General
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Target
1ea9c0ea0563f7681e6f6519f070f079.exe
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Size
171KB
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MD5
1ea9c0ea0563f7681e6f6519f070f079
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SHA1
82a759652adfafd0213d57ef04b41d26a88e6fd8
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SHA256
5e41733abb235fc64aefb602fb1273710ce13fbec471f0535688895f3a0462f4
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SHA512
18b716087d495a2d658a6a2d56cd3867238ce6b3fd6056ea738c1b9602b4c42874ab2b5d755ffc2514eace57ee94b5a1a61fb1a618d577ec0b1a2bf1d3828e20
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SSDEEP
3072:Z7n6GvsLTBwPAeVACQbUUawBpc38YxmS8zm00odMyB5q101cGn7twmDDhJW:ZTHowYgJQbUUo3fxF8zmzox7l1cG5wmH
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2700 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 336 csrss.exe -
Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 94.242.250.64 Destination IP 94.242.250.64 Destination IP 94.242.250.64 Destination IP 94.242.250.64 -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created \systemroot\assembly\GAC_64\Desktop.ini csrss.exe File created \systemroot\assembly\GAC_32\Desktop.ini csrss.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3044 set thread context of 2700 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 28 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 336 csrss.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3044 1ea9c0ea0563f7681e6f6519f070f079.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3044 1ea9c0ea0563f7681e6f6519f070f079.exe Token: SeDebugPrivilege 3044 1ea9c0ea0563f7681e6f6519f070f079.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 336 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3044 wrote to memory of 1300 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 6 PID 3044 wrote to memory of 336 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 26 PID 3044 wrote to memory of 2700 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 28 PID 3044 wrote to memory of 2700 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 28 PID 3044 wrote to memory of 2700 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 28 PID 3044 wrote to memory of 2700 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 28 PID 3044 wrote to memory of 2700 3044 1ea9c0ea0563f7681e6f6519f070f079.exe 28 PID 336 wrote to memory of 2304 336 csrss.exe 30 PID 336 wrote to memory of 2304 336 csrss.exe 30 PID 336 wrote to memory of 768 336 csrss.exe 31 PID 336 wrote to memory of 768 336 csrss.exe 31 PID 336 wrote to memory of 848 336 csrss.exe 14
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1300
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C:\Users\Admin\AppData\Local\Temp\1ea9c0ea0563f7681e6f6519f070f079.exe"C:\Users\Admin\AppData\Local\Temp\1ea9c0ea0563f7681e6f6519f070f079.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
PID:2700
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵PID:848
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C:\Windows\system32\wbem\WMIADAP.EXEwmiadap.exe /F /T /R2⤵PID:2304
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:336
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -Embedding1⤵PID:768
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
52KB
MD56bf2039986af96d98e08824ac6c383fd
SHA10bb6384656a96943cb427baa92446f987219a02e
SHA256a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f
SHA512fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e
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Filesize
2KB
MD5f55dfa740d236101c1d685c665634c1b
SHA198bf9d13455419b723154027f62b873f99dac5c9
SHA256607fec0154a69d3a6a783d853e9c1e9bffba304cc9285910121e8835ec7af1f8
SHA512c9f6ff5bae8e67d0fbc95a30d1252b6883f3726259c2316fb4ede6c7f96d861d2ef42b18fd5d85c0ae26fa1a3c0279871fcf4ec6307b35b643844242f917b84c