Analysis
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max time kernel
142s -
max time network
171s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 05:37
Static task
static1
Behavioral task
behavioral1
Sample
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
Resource
win10v2004-20221111-en
General
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Target
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
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Size
264KB
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MD5
c8163be8a4317e06cdb97b33b805d9a1
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SHA1
581f759e03d7a9b4721b490e27a794ae28e5753c
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SHA256
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
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SHA512
90801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
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SSDEEP
6144:w/UvChJWQnyLCRvEVcZqHsmDUSnR3nbnPnn8nbnPnn8nbnPnn8nbnPnn8nbnPnn8:wqChJjntRgACpVR
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
igfxtc64.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxtc64.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxtc64.exe = "C:\\Windows\\SysWOW64\\igfxtc64.exe:*:Enabled:Intel Task Control" igfxtc64.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxtc64.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxtc64.exe = "C:\\Windows\\SysWOW64\\igfxtc64.exe:*:Enabled:Intel Task Control" igfxtc64.exe -
Executes dropped EXE 2 IoCs
Processes:
igfxtc64.exeigfxtc64.exepid process 1384 igfxtc64.exe 1464 igfxtc64.exe -
Processes:
resource yara_rule behavioral1/memory/1420-55-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-57-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-58-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-60-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-64-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-65-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-66-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-67-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1420-72-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1464-85-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1464-86-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1464-87-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/1464-88-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
igfxtc64.exepid process 1464 igfxtc64.exe -
Loads dropped DLL 2 IoCs
Processes:
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exepid process 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
igfxtc64.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run igfxtc64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Task Control = "C:\\Windows\\SysWOW64\\igfxtc64.exe" igfxtc64.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
igfxtc64.exec393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 igfxtc64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxtc64.exe -
Drops file in System32 directory 5 IoCs
Processes:
igfxtc64.exec393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exedescription ioc process File opened for modification C:\Windows\SysWOW64\igfxtc64.exe igfxtc64.exe File opened for modification C:\Windows\SysWOW64\ c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe File opened for modification C:\Windows\SysWOW64\igfxtc64.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe File created C:\Windows\SysWOW64\igfxtc64.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe File opened for modification C:\Windows\SysWOW64\ igfxtc64.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exedescription pid process target process PID 1512 set thread context of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1384 set thread context of 1464 1384 igfxtc64.exe igfxtc64.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exepid process 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe 1464 igfxtc64.exe 1464 igfxtc64.exe 1464 igfxtc64.exe 1464 igfxtc64.exe 1464 igfxtc64.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exec393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exeigfxtc64.exedescription pid process target process PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1512 wrote to memory of 1420 1512 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe PID 1420 wrote to memory of 1384 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe igfxtc64.exe PID 1420 wrote to memory of 1384 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe igfxtc64.exe PID 1420 wrote to memory of 1384 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe igfxtc64.exe PID 1420 wrote to memory of 1384 1420 c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1384 wrote to memory of 1464 1384 igfxtc64.exe igfxtc64.exe PID 1464 wrote to memory of 1284 1464 igfxtc64.exe Explorer.EXE PID 1464 wrote to memory of 1284 1464 igfxtc64.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe"C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe"C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe"3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\igfxtc64.exe"C:\Windows\SysWOW64\igfxtc64.exe" C:\Users\Admin\AppData\Local\Temp\C39395~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\igfxtc64.exe"C:\Windows\SysWOW64\igfxtc64.exe" C:\Users\Admin\AppData\Local\Temp\C39395~1.EXE5⤵
- Modifies firewall policy service
- Executes dropped EXE
- Deletes itself
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Windows\SysWOW64\igfxtc64.exeFilesize
264KB
MD5c8163be8a4317e06cdb97b33b805d9a1
SHA1581f759e03d7a9b4721b490e27a794ae28e5753c
SHA256c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
SHA51290801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
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C:\Windows\SysWOW64\igfxtc64.exeFilesize
264KB
MD5c8163be8a4317e06cdb97b33b805d9a1
SHA1581f759e03d7a9b4721b490e27a794ae28e5753c
SHA256c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
SHA51290801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
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C:\Windows\SysWOW64\igfxtc64.exeFilesize
264KB
MD5c8163be8a4317e06cdb97b33b805d9a1
SHA1581f759e03d7a9b4721b490e27a794ae28e5753c
SHA256c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
SHA51290801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
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\Windows\SysWOW64\igfxtc64.exeFilesize
264KB
MD5c8163be8a4317e06cdb97b33b805d9a1
SHA1581f759e03d7a9b4721b490e27a794ae28e5753c
SHA256c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
SHA51290801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
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\Windows\SysWOW64\igfxtc64.exeFilesize
264KB
MD5c8163be8a4317e06cdb97b33b805d9a1
SHA1581f759e03d7a9b4721b490e27a794ae28e5753c
SHA256c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
SHA51290801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
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memory/1284-89-0x0000000002A90000-0x0000000002AAE000-memory.dmpFilesize
120KB
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memory/1384-70-0x0000000000000000-mapping.dmp
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memory/1420-63-0x0000000074DA1000-0x0000000074DA3000-memory.dmpFilesize
8KB
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memory/1420-58-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-66-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-67-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-64-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-54-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-60-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-61-0x000000000044F460-mapping.dmp
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memory/1420-72-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-65-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-57-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1420-55-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1464-85-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1464-86-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1464-87-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1464-88-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1464-81-0x000000000044F460-mapping.dmp