Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2024 15:56
Static task
static1
Behavioral task
behavioral1
Sample
cbd272db61ad2407cd9b87c683c5aea3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cbd272db61ad2407cd9b87c683c5aea3.exe
Resource
win10v2004-20240226-en
General
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Target
cbd272db61ad2407cd9b87c683c5aea3.exe
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Size
42KB
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MD5
cbd272db61ad2407cd9b87c683c5aea3
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SHA1
d005e3ff3155318c1035752ed2430c3e104ed77e
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SHA256
f36721a6d8efa1b6fc414ddd98371bb6165f2698ccc20296494779119a379fb8
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SHA512
d112ab3c8ce2fdbd998eb18fb18e4ffa3fe783aab0b4b105d20f7cad0dc60c309173eac5fb82619bfe869e9ee96fb920732a391db758c7b1d9b6be7b7bdca6c4
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SSDEEP
768:ua00wIFJ0Im91t4M9G6DRfGj9hwHWm6VeuGAQiFAg2NJVgBwtvA:OSvY5PuHm6V8aagIgBwtvA
Malware Config
Signatures
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Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\nbjs.dll cbd272db61ad2407cd9b87c683c5aea3.exe File opened for modification C:\Windows\SysWOW64\nbjs.dll cbd272db61ad2407cd9b87c683c5aea3.exe File created C:\Windows\SysWOW64\1.hiv cbd272db61ad2407cd9b87c683c5aea3.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5040 set thread context of 4940 5040 cbd272db61ad2407cd9b87c683c5aea3.exe 90 -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeBackupPrivilege 4940 cbd272db61ad2407cd9b87c683c5aea3.exe Token: SeRestorePrivilege 4940 cbd272db61ad2407cd9b87c683c5aea3.exe Token: SeRestorePrivilege 4940 cbd272db61ad2407cd9b87c683c5aea3.exe Token: SeRestorePrivilege 4940 cbd272db61ad2407cd9b87c683c5aea3.exe Token: SeRestorePrivilege 4940 cbd272db61ad2407cd9b87c683c5aea3.exe Token: SeRestorePrivilege 4940 cbd272db61ad2407cd9b87c683c5aea3.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5040 wrote to memory of 4940 5040 cbd272db61ad2407cd9b87c683c5aea3.exe 90 PID 5040 wrote to memory of 4940 5040 cbd272db61ad2407cd9b87c683c5aea3.exe 90 PID 5040 wrote to memory of 4940 5040 cbd272db61ad2407cd9b87c683c5aea3.exe 90 PID 5040 wrote to memory of 4940 5040 cbd272db61ad2407cd9b87c683c5aea3.exe 90 PID 5040 wrote to memory of 4940 5040 cbd272db61ad2407cd9b87c683c5aea3.exe 90 PID 4940 wrote to memory of 3664 4940 cbd272db61ad2407cd9b87c683c5aea3.exe 94 PID 4940 wrote to memory of 3664 4940 cbd272db61ad2407cd9b87c683c5aea3.exe 94 PID 4940 wrote to memory of 3664 4940 cbd272db61ad2407cd9b87c683c5aea3.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\cbd272db61ad2407cd9b87c683c5aea3.exe"C:\Users\Admin\AppData\Local\Temp\cbd272db61ad2407cd9b87c683c5aea3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Users\Admin\AppData\Local\Temp\cbd272db61ad2407cd9b87c683c5aea3.exeC:\Users\Admin\AppData\Local\Temp\cbd272db61ad2407cd9b87c683c5aea3.exe2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c nbjs2008.bat3⤵PID:3664
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
2KB
MD58cc00fc8f8c61a00b10d562b429e03ee
SHA1efb9c1afa3442ecbc0d7a1e6019562afa1401706
SHA256a361f8b398e0402dcbd92f9f2f98ef89f10a2714725be38877943fdf74cd5aab
SHA5123a40d594b2a1f59df82f0c54257830e165d49963c4a19933a275a9ddc1f36a91dafc15d7f6201c385125e76a845bc259b2f8e39902d95a1621fcf262ebfb84c5