Analysis
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max time kernel
151s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:37
Static task
static1
Behavioral task
behavioral1
Sample
e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe
Resource
win10v2004-20220414-en
General
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Target
e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe
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Size
37KB
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MD5
9a27462ea2196f29801405fd7d771ffa
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SHA1
cb0fc4d6b44a5d2e40271c739b6cd576675b4afe
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SHA256
e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b
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SHA512
4dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857
Malware Config
Extracted
njrat
im523
Smehotvorec
kiryache.ddns.net:9292
58e6839c7e8ce40231ac79b77a98b47b
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reg_key
58e6839c7e8ce40231ac79b77a98b47b
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
WindowsClient.exepid process 1880 WindowsClient.exe -
Modifies Windows Firewall 1 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
WindowsClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\58e6839c7e8ce40231ac79b77a98b47b = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsClient.exe\" .." WindowsClient.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\58e6839c7e8ce40231ac79b77a98b47b = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsClient.exe\" .." WindowsClient.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 64 IoCs
Processes:
WindowsClient.exepid process 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe 1880 WindowsClient.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WindowsClient.exepid process 1880 WindowsClient.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
Processes:
WindowsClient.exedescription pid process Token: SeDebugPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe Token: 33 1880 WindowsClient.exe Token: SeIncBasePriorityPrivilege 1880 WindowsClient.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exeWindowsClient.exedescription pid process target process PID 2900 wrote to memory of 1880 2900 e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe WindowsClient.exe PID 2900 wrote to memory of 1880 2900 e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe WindowsClient.exe PID 2900 wrote to memory of 1880 2900 e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe WindowsClient.exe PID 1880 wrote to memory of 2232 1880 WindowsClient.exe netsh.exe PID 1880 wrote to memory of 2232 1880 WindowsClient.exe netsh.exe PID 1880 wrote to memory of 2232 1880 WindowsClient.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe"C:\Users\Admin\AppData\Local\Temp\e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WindowsClient.exe"C:\Users\Admin\AppData\Roaming\WindowsClient.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsClient.exe" "WindowsClient.exe" ENABLE3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\WindowsClient.exeFilesize
37KB
MD59a27462ea2196f29801405fd7d771ffa
SHA1cb0fc4d6b44a5d2e40271c739b6cd576675b4afe
SHA256e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b
SHA5124dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857
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C:\Users\Admin\AppData\Roaming\WindowsClient.exeFilesize
37KB
MD59a27462ea2196f29801405fd7d771ffa
SHA1cb0fc4d6b44a5d2e40271c739b6cd576675b4afe
SHA256e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b
SHA5124dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857
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memory/1880-131-0x0000000000000000-mapping.dmp
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memory/1880-134-0x00000000745D0000-0x0000000074B81000-memory.dmpFilesize
5.7MB
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memory/2232-135-0x0000000000000000-mapping.dmp
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memory/2900-130-0x00000000745D0000-0x0000000074B81000-memory.dmpFilesize
5.7MB