Analysis
-
max time kernel
123s -
max time network
124s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 15:12
Static task
static1
Behavioral task
behavioral1
Sample
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe
Resource
win7v20210410
General
-
Target
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe
-
Size
154KB
-
MD5
6ad3672feb58595cf0ffaf450eb5a259
-
SHA1
f129eef49fa76a4098ef947d75a1a2bfb29d6697
-
SHA256
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a
-
SHA512
9747e64ace1679dcf65cd154a7f8df19b2327d5ab3d343a5f1285d0fe145bb0243a8a1f21e09dfcb347802592ecff5cc36243b0251a0ca52189ce7def347a251
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exepid process 1168 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe upx C:\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe upx C:\USERS\ADMIN\APPDATA\LOCAL\TEMP\B3DF5E992AE7854A8296E8D1639ED3DCAB84ACCFFE987E3E80A8118AC168002ASRV.EXE upx behavioral1/memory/1168-69-0x0000000000400000-0x0000000000435000-memory.dmp upx -
Loads dropped DLL 1 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exepid process 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe -
Drops file in Program Files directory 3 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px191C.tmp b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exepid process 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe -
Suspicious behavior: MapViewOfSection 21 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exepid process 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exedescription pid process Token: SeDebugPrivilege 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exepid process 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exedescription pid process target process PID 1864 wrote to memory of 1168 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe PID 1864 wrote to memory of 1168 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe PID 1864 wrote to memory of 1168 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe PID 1864 wrote to memory of 1168 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 372 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe wininit.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 388 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe csrss.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 416 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe winlogon.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 468 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe services.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 484 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsass.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 492 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe lsm.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 588 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 668 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 764 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 764 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 764 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe PID 1864 wrote to memory of 764 1864 b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe svchost.exe
Processes
-
C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:484
-
C:\Windows\system32\services.exeC:\Windows\system32\services.exe1⤵PID:468
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch2⤵PID:588
-
C:\Windows\system32\taskhost.exe"taskhost.exe"2⤵PID:1128
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork2⤵PID:1072
-
C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe2⤵PID:276
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService2⤵PID:296
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs2⤵PID:884
-
C:\Windows\system32\wbem\WMIADAP.EXEwmiadap.exe /F /T /R3⤵PID:1440
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService2⤵PID:844
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted2⤵PID:812
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:764
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS2⤵PID:668
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:416
-
C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵PID:388
-
C:\Windows\system32\wininit.exewininit.exe1⤵PID:372
-
C:\Windows\system32\lsm.exeC:\Windows\system32\lsm.exe2⤵PID:492
-
C:\Users\Admin\AppData\Local\Temp\645847787\zmstage.exeC:\Users\Admin\AppData\Local\Temp\645847787\zmstage.exe1⤵PID:1084
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1224
-
C:\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe"C:\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002a.exe"2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exeC:\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1168
-
C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1180
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\USERS\ADMIN\APPDATA\LOCAL\TEMP\B3DF5E992AE7854A8296E8D1639ED3DCAB84ACCFFE987E3E80A8118AC168002ASRV.EXEMD5
d8ce8e59dc1b438493939ab9753807d0
SHA1fa3ec7549a6f496749762cbed1038a2cb1951dca
SHA25661c6b349fe8f639b7d9d56a81b005a2f86b05c5cad20225ff6ba3aa24e592c24
SHA5127ff83c93e3b9f17a2fae2a14a5a0ddfc498cc3d7cec5dffda45936383b3c2c2ee2aa62719b2165d74b1bf676a71b55191e45702b576cc059fa6af24ba74ae954
-
C:\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exeMD5
d8ce8e59dc1b438493939ab9753807d0
SHA1fa3ec7549a6f496749762cbed1038a2cb1951dca
SHA25661c6b349fe8f639b7d9d56a81b005a2f86b05c5cad20225ff6ba3aa24e592c24
SHA5127ff83c93e3b9f17a2fae2a14a5a0ddfc498cc3d7cec5dffda45936383b3c2c2ee2aa62719b2165d74b1bf676a71b55191e45702b576cc059fa6af24ba74ae954
-
\Users\Admin\AppData\Local\Temp\b3df5e992ae7854a8296e8d1639ed3dcab84accffe987e3e80a8118ac168002aSrv.exeMD5
d8ce8e59dc1b438493939ab9753807d0
SHA1fa3ec7549a6f496749762cbed1038a2cb1951dca
SHA25661c6b349fe8f639b7d9d56a81b005a2f86b05c5cad20225ff6ba3aa24e592c24
SHA5127ff83c93e3b9f17a2fae2a14a5a0ddfc498cc3d7cec5dffda45936383b3c2c2ee2aa62719b2165d74b1bf676a71b55191e45702b576cc059fa6af24ba74ae954
-
memory/1168-61-0x0000000000000000-mapping.dmp
-
memory/1168-63-0x0000000076A81000-0x0000000076A83000-memory.dmpFilesize
8KB
-
memory/1168-68-0x0000000000230000-0x000000000023F000-memory.dmpFilesize
60KB
-
memory/1168-69-0x0000000000400000-0x0000000000435000-memory.dmpFilesize
212KB
-
memory/1168-67-0x000000007EFA0000-0x000000007EFAC000-memory.dmpFilesize
48KB