Analysis
-
max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-03-2021 11:36
Behavioral task
behavioral1
Sample
document-491783675.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-491783675.xls
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
-
Target
document-491783675.xls
-
Size
138KB
-
MD5
89a757ceb0633d24c3fd932f373fdaf4
-
SHA1
690a161d6d09cd8eb954272c2b95ddcc1ca7faf2
-
SHA256
805f2ad031f037b1f58c96589b61e5d13463dd193962b1dc6a0c7b94b3446386
-
SHA512
c7911ae6799a37132a11f5c1b3ba1613a5062b063f2339e1dc41bde60f309e0a99eb567db2a893239eed373bb5bf37fd2e8e8ee14df9c9f12234ea5b5980649c
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://ipok12bcame03shzpiq.xyz/i.gif
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 520 1152 rundll32.exe EXCEL.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1152 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 520 1152 EXCEL.EXE rundll32.exe
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-491783675.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\zfbfg.ere,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:520
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/316-5-0x000007FEF6010000-0x000007FEF628A000-memory.dmpFilesize
2.5MB
-
memory/520-6-0x0000000000000000-mapping.dmp
-
memory/520-7-0x00000000760C1000-0x00000000760C3000-memory.dmpFilesize
8KB
-
memory/1152-2-0x000000002F021000-0x000000002F024000-memory.dmpFilesize
12KB
-
memory/1152-3-0x0000000071191000-0x0000000071193000-memory.dmpFilesize
8KB
-
memory/1152-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB