Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-01-2025 12:23
General
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Target
2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe
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Size
154KB
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MD5
877cec8193a067605a4ae8193cd6512c
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SHA1
3a2b2fa4fa4ca05b909bb465f8623c8674aee5aa
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SHA256
625e5d6d49f078375b719b5baacda269d68986af78f2e8110028787d805068b7
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SHA512
a5c9ebb9c583494ecf493e5bf5cfda919e7e3b04b285ef90b62e07e475f907c2a6ffed81e2f80c67fd274d8699fe8c3610eee8b2ef70f81e802ab4310ecc5aee
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SSDEEP
3072:sr85CAffhavIWqQlTskRTeNpbt64NUsHzqaB7SJLmwvjSQnf:k9ofDWqQlTs+KNfvUsHzYJL9jSQnf
Malware Config
Signatures
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Detect Neshta payload 5 IoCs
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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Executes dropped EXE 4 IoCs
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Loads dropped DLL 4 IoCs
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Modifies system executable filetype association 2 TTPs 1 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies data under HKEY_USERS 3 IoCs
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Modifies registry class 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exeDDEServer3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exeDDEClient3⤵
- Executes dropped EXE
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C:\Windows\svchost.com"C:\Windows\svchost.com" "C:\Windows\System32\cmd.exe"3⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\System32\cmd.exe4⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
114KB
MD5c5bc26c810d61e972e0a45f514c743cd
SHA1184e81694b1bd060c66c40cfd1687b82ca39777e
SHA2568411c7b4b1de7d664767934512688acc949156b6cba26060e316ea788904a391
SHA512762ac410d549347dfa9fc44cf88357c83bf3bf1e25750e7f31fb8fe050622b7b15db8642704d4d33543ee3c29e85fafbe84c4fadb60d5a0a1043cbc9de974527
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Filesize
8B
MD5353dc1432b843f2e52d27b9c9a36297b
SHA1c7621d9416ba47fab97d3fe4c185a1bdc8575f57
SHA2560c7d167d5d31783731b5d663de04a626d18fa7ae7fd0d4e560f2c617255581fd
SHA512627753d349c6b657e28106aaf5f2d75440502f3467d4414b90eadec50a0f4f51e0ec624cff08c300e3f1c844ce09a8594c8969c2e0cbfd9e59b8d57bc91b3f7f
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Filesize
40KB
MD536fd5e09c417c767a952b4609d73a54b
SHA1299399c5a2403080a5bf67fb46faec210025b36d
SHA256980bac6c9afe8efc9c6fe459a5f77213b0d8524eb00de82437288eb96138b9a2
SHA5121813a6a5b47a9b2cd3958cf4556714ae240f2aa19d0a241b596830f0f2b89a33ec864d00ce6a791d323a58dfbff42a0fded65eefbf980c92685e25c0ec415d92
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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Filesize
108KB
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Filesize
108KB
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Filesize
108KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB
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Filesize
4KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB
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Filesize
280KB