Analysis
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max time kernel
28s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
13-12-2022 09:49
Static task
static1
Behavioral task
behavioral1
Sample
DOC_FI7820.lnk
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
DOC_FI7820.lnk
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
NewInvoice/NewInvoice.cmd
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
NewInvoice/NewInvoice.cmd
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
NewInvoice/NewRules.dll
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
NewInvoice/NewRules.dll
Resource
win10v2004-20221111-en
General
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Target
NewInvoice/NewRules.dll
-
Size
733KB
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MD5
1b4eb3e5510b5f32c4ed5f9ba11288bd
-
SHA1
f91052aa0a9375422ee29a7756df4756fb759486
-
SHA256
678b2d1d0e5dc0e18f5f85abbed3d036c99fa9db8704676adaf9ec304b582523
-
SHA512
40f479618f6f8cc103cb2acb0890ef0833263a501a8a60f2c50eba5602540bd98c7c142eb01355962e5b8bad6d34bb42f31b11aa3f1d950bf2a3c2f82b7e6960
-
SSDEEP
12288:bx5BlbjoVPn84C8oSZTkwvFsaLJ5sU4gzplUWQnLI7QAeh+nqb7/ODsrETSeWBE:b/CP1jVtkBKzsU4gLUWZ7tqb72eR
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1188 1808 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 1808 1400 rundll32.exe rundll32.exe PID 1808 wrote to memory of 1188 1808 rundll32.exe WerFault.exe PID 1808 wrote to memory of 1188 1808 rundll32.exe WerFault.exe PID 1808 wrote to memory of 1188 1808 rundll32.exe WerFault.exe PID 1808 wrote to memory of 1188 1808 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NewInvoice\NewRules.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NewInvoice\NewRules.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 2243⤵
- Program crash