Resubmissions
09-01-2023 11:01
230109-m429dadh87 10Analysis
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max time kernel
30s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
09-01-2023 11:01
Static task
static1
Behavioral task
behavioral1
Sample
DOC_IS0655.lnk
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
DOC_IS0655.lnk
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
YouContract/InvoiceUpdate.dll
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
YouContract/InvoiceUpdate.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
YouContract/RecentInformation.cmd
Resource
win7-20221111-en
General
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Target
YouContract/InvoiceUpdate.dll
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Size
516KB
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MD5
47de9b443272713b0293996513a95568
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SHA1
98ac88a84abe907cb13f3d6784b926e11a0b1fff
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SHA256
5764291e780539853bb430a43102eac55387c0b46e49d22f1d8bb894ca1dac89
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SHA512
a0589281b70ae7047c77b1178fa1d73bc119d9543d7a27323d371d62a336198aee8fe9a588f14df868b271ee059293a4e9de6da4ac481904c18a36e880fdfaa9
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SSDEEP
6144:wiIqnct7uycRpLrFPQleGc2BpeQvfTiD3MJIyFX+OwjzK9y9KOc6rXPMATcBu:wihnctArBgRprvbiIIAuz19nTMAgc
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2012 1720 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\YouContract\InvoiceUpdate.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\YouContract\InvoiceUpdate.dll,#12⤵