Analysis
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max time kernel
168s -
max time network
183s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12-03-2024 03:20
Static task
static1
Behavioral task
behavioral1
Sample
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe
Resource
win10v2004-20240226-en
General
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Target
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe
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Size
2.5MB
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MD5
411c2e3611e8ee701918cfe17399da79
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SHA1
a01d2ceb1b9d0e002eb67a00fbac9238285dce85
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SHA256
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04
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SHA512
c68a62e0342cdaaa23a8ad385551dff3d7f60e34c28c63797ef8d5969e714df6b0f7fa66a8904aaf65c034c26860f21453434e8678a48d149b2137054ee57b50
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SSDEEP
49152:YBO8QRm2I9bC9hY8PU5sevK7F6wd0HL5xRpMrpaKE9eFodKe/HT0:Y88QRmVluhnPyhyx30HlUpaKpodtHT0
Malware Config
Extracted
remcos
RemoteHost
gamemodz.duckdns.org:2404
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
sysupdate.exe
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copy_folder
sysupdate
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delete_file
true
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hide_file
true
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hide_keylog_file
false
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install_flag
true
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-FEY33U
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
xworm
3.1
gamemodz.duckdns.org:7000
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2352-4809-0x0000000000400000-0x0000000000414000-memory.dmp family_xworm -
Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral1/memory/2932-2-0x0000000004CE0000-0x0000000004F10000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-3-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-4-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-6-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-8-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-10-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-12-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-14-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-16-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-18-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-20-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-22-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-24-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-26-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-28-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-30-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-32-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-34-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-36-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-38-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-40-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-42-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-44-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-46-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-48-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-50-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-52-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-54-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-56-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-58-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-60-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-62-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-64-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2932-66-0x0000000004CE0000-0x0000000004F0A000-memory.dmp family_zgrat_v1 -
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\sysupdate.exe INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2352-4809-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Executes dropped EXE 2 IoCs
Processes:
sysupdate.exesysupdate.exepid process 2372 sysupdate.exe 2444 sysupdate.exe -
Loads dropped DLL 8 IoCs
Processes:
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exesysupdate.exesysupdate.exepid process 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe 2372 sysupdate.exe 2372 sysupdate.exe 2372 sysupdate.exe 2372 sysupdate.exe 2444 sysupdate.exe 2444 sysupdate.exe 2444 sysupdate.exe -
Adds Run key to start application 2 TTPs 7 IoCs
Processes:
sysupdate.exeiexplore.exef0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exesysupdate.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-FEY33U = "\"C:\\ProgramData\\sysupdate\\sysupdate.exe\"" sysupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-FEY33U = "\"C:\\ProgramData\\sysupdate\\sysupdate.exe\"" sysupdate.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-FEY33U = "\"C:\\ProgramData\\sysupdate\\sysupdate.exe\"" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-FEY33U = "\"C:\\ProgramData\\sysupdate\\sysupdate.exe\"" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04 = "C:\\Users\\Admin\\AppData\\Roaming\\f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe" f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-FEY33U = "\"C:\\ProgramData\\sysupdate\\sysupdate.exe\"" sysupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-FEY33U = "\"C:\\ProgramData\\sysupdate\\sysupdate.exe\"" sysupdate.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 ip-api.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exesysupdate.exeiexplore.exedescription pid process target process PID 2932 set thread context of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2444 set thread context of 2656 2444 sysupdate.exe iexplore.exe PID 2656 set thread context of 2780 2656 iexplore.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
sysupdate.exeiexplore.exepid process 2444 sysupdate.exe 2656 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exef0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exesysupdate.exesysupdate.exedescription pid process Token: SeDebugPrivilege 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe Token: SeDebugPrivilege 2352 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe Token: SeRestorePrivilege 2372 sysupdate.exe Token: SeBackupPrivilege 2372 sysupdate.exe Token: SeRestorePrivilege 2444 sysupdate.exe Token: SeBackupPrivilege 2444 sysupdate.exe Token: SeDebugPrivilege 2352 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exesysupdate.exesysupdate.exeiexplore.exedescription pid process target process PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2372 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe sysupdate.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2932 wrote to memory of 2352 2932 f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2372 wrote to memory of 2444 2372 sysupdate.exe sysupdate.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2444 wrote to memory of 2656 2444 sysupdate.exe iexplore.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe PID 2656 wrote to memory of 2780 2656 iexplore.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe"C:\Users\Admin\AppData\Local\Temp\f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Users\Admin\AppData\Local\Temp\sysupdate.exe"C:\Users\Admin\AppData\Local\Temp\sysupdate.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\ProgramData\sysupdate\sysupdate.exe"C:\ProgramData\sysupdate\sysupdate.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
\??\c:\program files (x86)\internet explorer\iexplore.exe"c:\program files (x86)\internet explorer\iexplore.exe"4⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\svchost.exesvchost.exe5⤵PID:2780
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C:\Users\Admin\AppData\Local\Temp\f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exeC:\Users\Admin\AppData\Local\Temp\f0ebd23eac064a10da288dbf3b9db45bdf5e107c970e57f7974710cad01aed04.exe2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:2352
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
483KB
MD5bdfa7710dfc213d8babcd7348440deeb
SHA1ecd7d6ad5a3e0cc8c24ce1f12a40b0c86a769f98
SHA25679ec51c588fccbe876f58de8a0256e27de65aa14f245615c42bd92cc640063fe
SHA512663eb74fba1e38d3f930c0d73787309f86b85852cbccae1b44d3056a6073a95494c1526dc98d132f84a71e379babc5bd6819e76643f82fcd5591e264825fb2ee