Analysis
-
max time kernel
150s -
max time network
80s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 06:17
Static task
static1
Behavioral task
behavioral1
Sample
6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe
Resource
win10v20210408
General
-
Target
6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe
-
Size
343KB
-
MD5
6cf1ef6ae9f35d89efbae669e3fa59cf
-
SHA1
a19ce57386dae3750e7e326a024da77717047d7d
-
SHA256
6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88
-
SHA512
abd59863bae3c8342e1583adc5df2ad383b0b3273d18da52aba1b2dec815f2415fc2bd4ded90c18a5a16c37ba9d1defe86432457111fbf10b5b95ba0861824e7
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 1464 cmdonce.exe 1680 ~251D.tmp 1684 ntprdown.exe -
resource yara_rule behavioral1/files/0x00030000000130f8-80.dat office_xlm_macros -
Loads dropped DLL 3 IoCs
pid Process 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 1464 cmdonce.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoiles = "C:\\Users\\Admin\\AppData\\Roaming\\SndVkeng\\cmdonce.exe" 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ntprdown.exe 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Office loads VBA resources, possible macro or embedded object present
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 568 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1464 cmdonce.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE 1684 ntprdown.exe 1220 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1220 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 1220 Explorer.EXE Token: SeShutdownPrivilege 1220 Explorer.EXE Token: SeShutdownPrivilege 1220 Explorer.EXE Token: SeShutdownPrivilege 1220 Explorer.EXE -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE -
Suspicious use of SendNotifyMessage 5 IoCs
pid Process 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE 1220 Explorer.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 568 WINWORD.EXE 568 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1616 wrote to memory of 1464 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 29 PID 1616 wrote to memory of 1464 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 29 PID 1616 wrote to memory of 1464 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 29 PID 1616 wrote to memory of 1464 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 29 PID 1464 wrote to memory of 1680 1464 cmdonce.exe 30 PID 1464 wrote to memory of 1680 1464 cmdonce.exe 30 PID 1464 wrote to memory of 1680 1464 cmdonce.exe 30 PID 1464 wrote to memory of 1680 1464 cmdonce.exe 30 PID 1680 wrote to memory of 1220 1680 ~251D.tmp 11 PID 1616 wrote to memory of 568 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 32 PID 1616 wrote to memory of 568 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 32 PID 1616 wrote to memory of 568 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 32 PID 1616 wrote to memory of 568 1616 6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe 32 PID 568 wrote to memory of 1932 568 WINWORD.EXE 35 PID 568 wrote to memory of 1932 568 WINWORD.EXE 35 PID 568 wrote to memory of 1932 568 WINWORD.EXE 35 PID 568 wrote to memory of 1932 568 WINWORD.EXE 35
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe"C:\Users\Admin\AppData\Local\Temp\6a6ec0d82d0d124e65e4a0cd9c7262e51def7dfb4ed43398a41d1ec3508cee88.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Users\Admin\AppData\Roaming\SndVkeng\cmdonce.exe"C:\Users\Admin\AppData\Roaming\SndVkeng\cmdonce.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\AppData\Local\Temp\~251D.tmp"C:\Users\Admin\AppData\Local\Temp\~251D.tmp"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1680
-
-
-
C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\~258A.tmp.doc"3⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122884⤵PID:1932
-
-
-
-
C:\Windows\SysWOW64\ntprdown.exeC:\Windows\SysWOW64\ntprdown.exe -k1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1684