Analysis
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max time kernel
133s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 14:38
Static task
static1
Behavioral task
behavioral1
Sample
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe
Resource
win10v2004-20221111-en
General
-
Target
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe
-
Size
224KB
-
MD5
f8618ef11432e37cc9954515a98b40c7
-
SHA1
713d6f84ddaa638bb72b844bd375205e75ffe436
-
SHA256
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79
-
SHA512
3b63bdf903eac5b4e3d6610c978c9201198e33f5e7d7141ac1c657ab4d60a304461ffb0a75d8a147e3dc779d696d8807aa5acd792d8446b869c174fb6a3c5c69
-
SSDEEP
6144:yNBl76cpETWpZxcsvaSzjsQLSp0Dk7QHmvgKQ:6l76cMKYsvaS4R7xVQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
csrss.exepid process 332 csrss.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1924 cmd.exe -
Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 94.242.250.64 Destination IP 94.242.250.64 Destination IP 94.242.250.64 Destination IP 94.242.250.64 -
Drops desktop.ini file(s) 2 IoCs
Processes:
csrss.exedescription ioc process File created \systemroot\assembly\GAC_64\Desktop.ini csrss.exe File created \systemroot\assembly\GAC_32\Desktop.ini csrss.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exedescription pid process target process PID 1344 set thread context of 1924 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe cmd.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.execsrss.exepid process 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe 332 csrss.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exedescription pid process Token: SeDebugPrivilege 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe Token: SeDebugPrivilege 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1188 Explorer.EXE 1188 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1188 Explorer.EXE 1188 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
csrss.exepid process 332 csrss.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.execsrss.exedescription pid process target process PID 1344 wrote to memory of 1188 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe Explorer.EXE PID 1344 wrote to memory of 332 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe csrss.exe PID 1344 wrote to memory of 1924 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe cmd.exe PID 1344 wrote to memory of 1924 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe cmd.exe PID 1344 wrote to memory of 1924 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe cmd.exe PID 1344 wrote to memory of 1924 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe cmd.exe PID 1344 wrote to memory of 1924 1344 32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe cmd.exe PID 332 wrote to memory of 864 332 csrss.exe svchost.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188 -
C:\Users\Admin\AppData\Local\Temp\32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe"C:\Users\Admin\AppData\Local\Temp\32faa6dd8ce43d80a00e420b083f1084d705fbc022ae87979c5ad73949df4b79.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
PID:1924
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵PID:864
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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⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:332
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
52KB
MD56bf2039986af96d98e08824ac6c383fd
SHA10bb6384656a96943cb427baa92446f987219a02e
SHA256a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f
SHA512fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e
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Filesize
2KB
MD5bc2526a2f30f75f588eb7aa0638512e9
SHA1dd33441682a55706d173762330dc78d3d884d4bb
SHA25600e7f6583bba117dfe857f94b54272f8b12fd3251ab472880950e390a95c0d24
SHA5129ac8ad431a4ee6027a8f8a14676cb61e075223f77f8e73385fb4885db4b38367a9736fddeecc08ea6871926fdf37c648e75bcdd8b282a61d98c5c9b57b8d50de
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Filesize
52KB
MD56bf2039986af96d98e08824ac6c383fd
SHA10bb6384656a96943cb427baa92446f987219a02e
SHA256a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f
SHA512fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e