Analysis
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max time kernel
147s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-09-2022 09:05
Static task
static1
Behavioral task
behavioral1
Sample
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe
Resource
win10v2004-20220812-en
General
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Target
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe
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Size
4.5MB
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MD5
70a5ee83354d6c164927075675bd9154
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SHA1
bd7547e04ae2e83596678aea2e6b4c233661a720
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SHA256
4e3513b2d8f1b7e3ea6b81519675e8f0fffcda7d33ef15b7a6a0e23d8db10a26
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SHA512
733a1e8e44193ca695b993bafb6c5f66af7ec085bdf2fd77f2a6573f20b61ee0c39068db7694208cbf6018664602c59956337916a563f97accfe13c71a45adc4
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SSDEEP
98304:oFTNKpbNPn8kmfoHcHUlWGUJPjIoO+LNRJ0dKGyLW8dSgHpC+n7:oFTuNNmQ8ClUxIF+LNoKGD8Q8N
Malware Config
Extracted
bitrat
1.38
diosesamora.con-ip.com:3005
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communication_password
202cb962ac59075b964b07152d234b70
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tor_process
tor
Signatures
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Processes:
resource yara_rule behavioral2/memory/4028-145-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4028-146-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4028-147-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4028-148-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4028-149-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/4028-153-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hbvvcp\\chrome.exe\"" CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exepid process 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exedescription pid process target process PID 4428 set thread context of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.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 5 IoCs
Processes:
powershell.exeCIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exepowershell.exepid process 8 powershell.exe 8 powershell.exe 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe 1940 powershell.exe 1940 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exeCIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exepowershell.exeCIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exedescription pid process Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe Token: SeDebugPrivilege 1940 powershell.exe Token: SeShutdownPrivilege 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exepid process 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe 4028 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exedescription pid process target process PID 4428 wrote to memory of 8 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe powershell.exe PID 4428 wrote to memory of 8 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe powershell.exe PID 4428 wrote to memory of 8 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe powershell.exe PID 4428 wrote to memory of 1940 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe powershell.exe PID 4428 wrote to memory of 1940 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe powershell.exe PID 4428 wrote to memory of 1940 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe powershell.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe PID 4428 wrote to memory of 4028 4428 CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe"C:\Users\Admin\AppData\Local\Temp\CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -Seconds 302⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe"C:\Users\Admin\AppData\Local\Temp\CIRCULAR OBLIGACION CONTRACTUAL No. 9840984984098502016092.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCacheFilesize
53KB
MD506ad34f9739c5159b4d92d702545bd49
SHA19152a0d4f153f3f40f7e606be75f81b582ee0c17
SHA256474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
SHA512c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
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memory/8-133-0x0000000000000000-mapping.dmp
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memory/8-134-0x0000000004BB0000-0x0000000004BE6000-memory.dmpFilesize
216KB
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memory/8-135-0x00000000052B0000-0x00000000058D8000-memory.dmpFilesize
6.2MB
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memory/8-136-0x0000000005910000-0x0000000005932000-memory.dmpFilesize
136KB
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memory/8-137-0x0000000005AB0000-0x0000000005B16000-memory.dmpFilesize
408KB
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memory/8-138-0x0000000005B90000-0x0000000005BF6000-memory.dmpFilesize
408KB
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memory/8-139-0x0000000006190000-0x00000000061AE000-memory.dmpFilesize
120KB
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memory/8-140-0x00000000079B0000-0x000000000802A000-memory.dmpFilesize
6.5MB
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memory/8-141-0x0000000006690000-0x00000000066AA000-memory.dmpFilesize
104KB
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memory/1940-142-0x0000000000000000-mapping.dmp
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memory/4028-146-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/4028-152-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-145-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/4028-159-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-147-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/4028-148-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/4028-149-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/4028-150-0x00000000748B0000-0x00000000748E9000-memory.dmpFilesize
228KB
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memory/4028-151-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-144-0x0000000000000000-mapping.dmp
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memory/4028-153-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/4028-154-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-155-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-156-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-157-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4028-158-0x0000000074C30000-0x0000000074C69000-memory.dmpFilesize
228KB
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memory/4428-132-0x00000000009E0000-0x0000000000E62000-memory.dmpFilesize
4.5MB