Analysis
-
max time kernel
61s -
max time network
121s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 20:42
Static task
static1
Behavioral task
behavioral1
Sample
Valak (7).cab.dll
Resource
win7v20201028
0 signatures
0 seconds
General
-
Target
Valak (7).cab.dll
-
Size
288KB
-
MD5
270ae0bdbc030fc4fbcc4bd56de5e468
-
SHA1
97c52ff5f41960341d79aab0a67e6923b8dccbf8
-
SHA256
ab3b49d2f76c579accf730ad4d9cb36184f3a28eb6921ff397cad82f0af5691f
-
SHA512
5ad608fcb43ae03a6ce9622d56d7cfe1425cdbe153812218a4a12e240ed3938135de42100791b42eaafdf4e8b815484fd361ee9cc23ea11f7566d05a44b41c61
Malware Config
Signatures
-
Valak JavaScript Loader 2 IoCs
Processes:
resource yara_rule C:\Users\Public\CCGYPWTwr.iySAE valak C:\Users\Public\CCGYPWTwr.iySAE valak_js -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule C:\Users\Public\CCGYPWTwr.iySAE js -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3980 wrote to memory of 3008 3980 rundll32.exe rundll32.exe PID 3980 wrote to memory of 3008 3980 rundll32.exe rundll32.exe PID 3980 wrote to memory of 3008 3980 rundll32.exe rundll32.exe PID 3008 wrote to memory of 1264 3008 rundll32.exe wscript.exe PID 3008 wrote to memory of 1264 3008 rundll32.exe wscript.exe PID 3008 wrote to memory of 1264 3008 rundll32.exe wscript.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Valak (7).cab.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Valak (7).cab.dll",#12⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\wscript.exewscript.exe //E:jscript "C:\Users\Public\CCGYPWTwr.iySAE3⤵PID:1264
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3452
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
6df4cb0a89bdabcf858e7e407e3975f5
SHA1f41a9efe9f3cdce394893d90f564bb26e3cdd494
SHA256c65b67bfe6a5acf6ebfb7f327a6ce8f93bfe5ec579fe783f611a73ce031f7232
SHA512a49817c5b27a75263a57398a17f838e935660d554e6b36d8e11ec20817fd08b532851b527c7255d50556d85e1fa985ed0d766d7103f6178ab8ef8bab561b1a41