Analysis
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max time kernel
72s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2022 08:18
Static task
static1
Behavioral task
behavioral1
Sample
SKM-2000012.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SKM-2000012.exe
Resource
win10v2004-20220812-en
General
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Target
SKM-2000012.exe
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Size
16KB
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MD5
0320bf3e8314fa2f5f4d78c8a69d5aef
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SHA1
3e158ac1149277ac5afc3937644fc3e9b48a2c26
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SHA256
dea0baa27b4aec785704292890f0c33261fbf51e1cd857c39f563e36251b6430
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SHA512
80e3dc604cdc5963bc9ef6f9b1ec2571fee076ba8726854dc1b1ce2fd4c968497a828b433dbc5ef200cd334db7580ce0899c95e057c172fdcb6e77fd4b25fc15
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SSDEEP
192:BINVpJODMlmDJLMl3F8EfqD1Y9HJ2HoaNj4s3n61B2KWW40W6:qLODZLMl3epkHAHvNj4ZaW40W
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SKM-2000012.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation SKM-2000012.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
Processes:
SKM-2000012.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SKM-2000012.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ftzuby = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tzmopjp\\Ftzuby.exe\"" SKM-2000012.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 34 freegeoip.app 35 freegeoip.app -
Suspicious use of SetThreadContext 2 IoCs
Processes:
SKM-2000012.exedescription pid process target process PID 1856 set thread context of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 set thread context of 716 1856 SKM-2000012.exe SKM-2000012.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 2 IoCs
Processes:
powershell.exepid process 1552 powershell.exe 1552 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
SKM-2000012.exepowershell.exeSKM-2000012.exeSKM-2000012.exedescription pid process Token: SeDebugPrivilege 1856 SKM-2000012.exe Token: SeDebugPrivilege 1552 powershell.exe Token: SeDebugPrivilege 4236 SKM-2000012.exe Token: SeDebugPrivilege 716 SKM-2000012.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
SKM-2000012.exedescription pid process target process PID 1856 wrote to memory of 1552 1856 SKM-2000012.exe powershell.exe PID 1856 wrote to memory of 1552 1856 SKM-2000012.exe powershell.exe PID 1856 wrote to memory of 1552 1856 SKM-2000012.exe powershell.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 4236 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe PID 1856 wrote to memory of 716 1856 SKM-2000012.exe SKM-2000012.exe -
outlook_office_path 1 IoCs
Processes:
SKM-2000012.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe -
outlook_win_path 1 IoCs
Processes:
SKM-2000012.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM-2000012.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SKM-2000012.exe"C:\Users\Admin\AppData\Local\Temp\SKM-2000012.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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 UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\SKM-2000012.exeC:\Users\Admin\AppData\Local\Temp\SKM-2000012.exe Cj4IARIuMTgwMDUwMjY2MzpBQUhTdVBPVFU5LXRGS2NnOGp3Q21jM0gwNVprQ3pULUZ6QRoKMTg4ODU2Mjg4NA==2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\SKM-2000012.exeC:\Users\Admin\AppData\Local\Temp\SKM-2000012.exe2⤵
- Suspicious use of AdjustPrivilegeToken
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\CLR_v4.0_32\UsageLogs\SKM-2000012.exe.logFilesize
1KB
MD5e87e48b105757e1c7563d1c719059733
SHA128a3f2b2e0672da2b531f4757d2b20b53032dafc
SHA2560aaf22dc84cc3fcfe53de7ccfed8e662247dfb7f1a9967032c88790d0c663461
SHA512bf19c5743143aee914a453c41189c722c9b90a5b8bf299cecf3e1f97656d32cd209ecb74da8aebc89bb41c27d189f73aaaabbc64fe383410c95dc76ad4218968
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memory/716-145-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/716-144-0x0000000000000000-mapping.dmp
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memory/716-151-0x00000000053A0000-0x000000000543C000-memory.dmpFilesize
624KB
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memory/1552-138-0x00000000060B0000-0x0000000006116000-memory.dmpFilesize
408KB
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memory/1552-137-0x0000000006040000-0x00000000060A6000-memory.dmpFilesize
408KB
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memory/1552-136-0x00000000059A0000-0x0000000005FC8000-memory.dmpFilesize
6.2MB
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memory/1552-139-0x00000000066D0000-0x00000000066EE000-memory.dmpFilesize
120KB
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memory/1552-140-0x0000000007EF0000-0x000000000856A000-memory.dmpFilesize
6.5MB
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memory/1552-141-0x0000000006BC0000-0x0000000006BDA000-memory.dmpFilesize
104KB
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memory/1552-135-0x00000000030F0000-0x0000000003126000-memory.dmpFilesize
216KB
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memory/1552-134-0x0000000000000000-mapping.dmp
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memory/1856-132-0x0000000000E20000-0x0000000000E2A000-memory.dmpFilesize
40KB
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memory/1856-133-0x0000000006340000-0x0000000006362000-memory.dmpFilesize
136KB
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memory/4236-142-0x0000000000000000-mapping.dmp
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memory/4236-147-0x0000000007060000-0x0000000007604000-memory.dmpFilesize
5.6MB
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memory/4236-148-0x0000000006AD0000-0x0000000006AE2000-memory.dmpFilesize
72KB
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memory/4236-149-0x0000000006B30000-0x0000000006B6C000-memory.dmpFilesize
240KB
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memory/4236-146-0x0000000006A10000-0x0000000006AA2000-memory.dmpFilesize
584KB
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memory/4236-143-0x0000000000400000-0x00000000004F2000-memory.dmpFilesize
968KB