Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
14-01-2024 00:12
Static task
static1
Behavioral task
behavioral1
Sample
59c5cb3570cb24fabecd0675b81255f0.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
59c5cb3570cb24fabecd0675b81255f0.exe
Resource
win10v2004-20231215-en
General
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Target
59c5cb3570cb24fabecd0675b81255f0.exe
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Size
315KB
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MD5
59c5cb3570cb24fabecd0675b81255f0
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SHA1
efaebb4328c3753bb02075ba768b1d1ab0d76bfc
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SHA256
32ad611697fbd9c7dbe438fa7e0f2a4d7c59edbc21ac668741f276a747016c4f
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SHA512
45b4dedfbec5107bf661b206ad40bc7c2d3d171751225abff913ebb2192cb4372b850d1eeecc20115b8f1ce23a84d56aee0ede141a401d9d08b4b2ed59856dfa
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SSDEEP
6144:/dL4Z3U5O08lC1/rOFh5rboJHDwoqFoNaVFqa5p3jqkXHFxSEnZts:/F4Z3n08WrQ3r6w5os3OkXlxS7
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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation 59c5cb3570cb24fabecd0675b81255f0.exe -
Executes dropped EXE 1 IoCs
pid Process 3900 59c5cb3570cb24fabecd0675b81255f0.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\\Windows\\svchost.exe" 59c5cb3570cb24fabecd0675b81255f0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Local\\Windows\\svchost.exe" 59c5cb3570cb24fabecd0675b81255f0.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 59c5cb3570cb24fabecd0675b81255f0.exe File opened for modification C:\Windows\assembly\Desktop.ini 59c5cb3570cb24fabecd0675b81255f0.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini 59c5cb3570cb24fabecd0675b81255f0.exe File created C:\Windows\svchost.exe 59c5cb3570cb24fabecd0675b81255f0.exe File opened for modification C:\Windows\svchost.exe 59c5cb3570cb24fabecd0675b81255f0.exe File opened for modification C:\Windows\assembly 59c5cb3570cb24fabecd0675b81255f0.exe File created C:\Windows\assembly\Desktop.ini 59c5cb3570cb24fabecd0675b81255f0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 2440 PING.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3900 59c5cb3570cb24fabecd0675b81255f0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5044 59c5cb3570cb24fabecd0675b81255f0.exe Token: SeDebugPrivilege 3900 59c5cb3570cb24fabecd0675b81255f0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3900 59c5cb3570cb24fabecd0675b81255f0.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5044 wrote to memory of 3900 5044 59c5cb3570cb24fabecd0675b81255f0.exe 92 PID 5044 wrote to memory of 3900 5044 59c5cb3570cb24fabecd0675b81255f0.exe 92 PID 5044 wrote to memory of 3000 5044 59c5cb3570cb24fabecd0675b81255f0.exe 89 PID 5044 wrote to memory of 3000 5044 59c5cb3570cb24fabecd0675b81255f0.exe 89 PID 3000 wrote to memory of 2440 3000 cmd.exe 91 PID 3000 wrote to memory of 2440 3000 cmd.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0.exe"C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:2440
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C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0\59c5cb3570cb24fabecd0675b81255f0.exe"C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0\59c5cb3570cb24fabecd0675b81255f0.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3900
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0\59c5cb3570cb24fabecd0675b81255f0.exe
Filesize126KB
MD54970ff05fec82af7d69044cd19a291c9
SHA1eb7f60aec6e81ac1c8776e95ea73d00b7d4f34df
SHA25600e674fec6b112153ed74e5454cb989f5cb2094a322196c53191fd94b7f5803f
SHA512c54f38ccd4e8bc505c8024c47d505bd2740d6fe0232fdf06602e9b60c256f9168564e3803d8c85824a28e701d753eabbe870aceb35b10ac6abcf77f3da661412
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C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0\59c5cb3570cb24fabecd0675b81255f0.exe
Filesize213KB
MD5e1dec1108fa27ac4066f18e94dda1ecf
SHA1ecd46d704f8edaedc89ea6c5e36452cce054420b
SHA2568385cd91a8ba19b7d1eb5ccdfa65f3f794fbb437de20cc9f9896aaff35912a38
SHA512e46a1ca9d3de7c48fea44f430fb69e2b8c2f1487203f5991f2b72f2038bee3867b128bb08d1c7cc5cb1221ac2317f1e6a28a72cf04e7ab8cd00d0f5fbbc63e8b
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C:\Users\Admin\AppData\Local\Temp\59c5cb3570cb24fabecd0675b81255f0\59c5cb3570cb24fabecd0675b81255f0.exe
Filesize251KB
MD56a9ab5836c04975f8db3be02145b4162
SHA133ff00ab07ed0ac70b2de2bb5a45a07394a05ffb
SHA256b5e713e6562754e99720060f03946a91a894dcbb1514ab27669c7714f68b7076
SHA51214fe1dd86a4c0ac997b6071a4e3b289d43449b72bf870c2ee08434f25a7c5ca3b38e83517b9247b7b6effcdda604adf1808422987482ac8b2a3502273ad281e4
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Filesize
48B
MD5bd4b58aca703e38b7155b9087a885a09
SHA111ad89b4608c0e0756d3616239c034072e82df32
SHA256840b600bd58fe1c0aaec1830c224a6800ff616f48b80bbde7cb9383334684777
SHA512ecbfe9f1c8d36ab4b282e6017b1ef5933d0c3e5d93e401176f2cf71b73b282655cef44dff20fe157e18ea7a493f1f3cd78cad539e4d23eaa5ce26bafd9e6d97f