Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2022 17:07
Static task
static1
Behavioral task
behavioral1
Sample
FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe
Resource
win7-20220812-en
General
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Target
FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe
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Size
3.4MB
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MD5
fc8292e20e956e494064d005dd3cdf7d
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SHA1
36fcd3d13e53ae0757a4115cacd3123e983e8937
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SHA256
63ec772a57bb782428643ac0926ef9a26e5687c29994041be791a313f592055f
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SHA512
52d34aa67efe2cce73c2390cd00e942cc85dbf7dd3db2a1663d690f893d0a7e2263f07b2d89b8a7dc07aac4678a0b73ad72f3be855f12772f769fb5bdbb448ec
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SSDEEP
98304:2Jm1Yc2EzHm2yMMXCjhlJIqLz6L7lE/WGBg:2QfG2yVCVlJIgCEW
Malware Config
Extracted
bitrat
1.38
grtgrnmwljenf.con-ip.com:1880
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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/508-148-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/508-149-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/508-147-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/508-150-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/508-151-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/508-154-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
FORMATO DE REALIZACION DE CUENTA DE AHORRO.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
InstallUtil.exepid process 508 InstallUtil.exe 508 InstallUtil.exe 508 InstallUtil.exe 508 InstallUtil.exe 508 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FORMATO DE REALIZACION DE CUENTA DE AHORRO.exedescription pid process target process PID 1880 set thread context of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.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 4 IoCs
Processes:
powershell.exeFORMATO DE REALIZACION DE CUENTA DE AHORRO.exepid process 1420 powershell.exe 1420 powershell.exe 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exeFORMATO DE REALIZACION DE CUENTA DE AHORRO.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1420 powershell.exe Token: SeDebugPrivilege 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe Token: SeShutdownPrivilege 508 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
InstallUtil.exepid process 508 InstallUtil.exe 508 InstallUtil.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
FORMATO DE REALIZACION DE CUENTA DE AHORRO.exedescription pid process target process PID 1880 wrote to memory of 1420 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe powershell.exe PID 1880 wrote to memory of 1420 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe powershell.exe PID 1880 wrote to memory of 1420 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe powershell.exe PID 1880 wrote to memory of 1896 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 1896 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 1896 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe PID 1880 wrote to memory of 508 1880 FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe"C:\Users\Admin\AppData\Local\Temp\FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe"1⤵
- Checks computer location settings
- 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" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/508-146-0x0000000000000000-mapping.dmp
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memory/508-158-0x0000000074A50000-0x0000000074A89000-memory.dmpFilesize
228KB
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memory/508-157-0x0000000074A50000-0x0000000074A89000-memory.dmpFilesize
228KB
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memory/508-156-0x00000000746D0000-0x0000000074709000-memory.dmpFilesize
228KB
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memory/508-155-0x0000000074A50000-0x0000000074A89000-memory.dmpFilesize
228KB
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memory/508-154-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/508-153-0x0000000074A50000-0x0000000074A89000-memory.dmpFilesize
228KB
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memory/508-152-0x00000000746D0000-0x0000000074709000-memory.dmpFilesize
228KB
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memory/508-151-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/508-150-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/508-147-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/508-149-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/508-148-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/1420-138-0x00000000029F0000-0x0000000002A26000-memory.dmpFilesize
216KB
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memory/1420-139-0x0000000005210000-0x0000000005838000-memory.dmpFilesize
6.2MB
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memory/1420-144-0x00000000064C0000-0x00000000064DA000-memory.dmpFilesize
104KB
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memory/1420-143-0x0000000007820000-0x0000000007E9A000-memory.dmpFilesize
6.5MB
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memory/1420-142-0x0000000005FD0000-0x0000000005FEE000-memory.dmpFilesize
120KB
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memory/1420-141-0x00000000059D0000-0x0000000005A36000-memory.dmpFilesize
408KB
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memory/1420-140-0x00000000058B0000-0x0000000005916000-memory.dmpFilesize
408KB
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memory/1420-137-0x0000000000000000-mapping.dmp
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memory/1880-132-0x0000000000F40000-0x00000000012B2000-memory.dmpFilesize
3.4MB
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memory/1880-136-0x0000000007070000-0x0000000007092000-memory.dmpFilesize
136KB
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memory/1880-135-0x0000000006A50000-0x0000000006A5A000-memory.dmpFilesize
40KB
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memory/1880-134-0x0000000006960000-0x00000000069F2000-memory.dmpFilesize
584KB
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memory/1880-133-0x0000000006140000-0x00000000066E4000-memory.dmpFilesize
5.6MB
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memory/1896-145-0x0000000000000000-mapping.dmp