Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
07/02/2025, 18:15
General
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Target
2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe
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Size
90KB
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MD5
61a199076ddfb00d9a92792ffa0f2668
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SHA1
7478d5b7ecf47ac14cbba2fab46f69106d02b008
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SHA256
b107c99d3d84007f8bc1c3eca8ba6bfdb2b38dd56cbc1d1592110e55f84e6fd6
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SHA512
f3ce8923d9cd8add89516d3f5033b5a5ccea06890e3ad1b93a422e1d0afff4ef5c4c9aaf4dbcecea5563f0af977084cd944c6b5566607d48282ca1340f8d891b
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SSDEEP
1536:JxqjQ+P04wsmJC4uFECDpw10vnAOIUaJh4IXdWXLXTWLS:sr85Cnlw10vvA/7sSu
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Signatures
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Detect Neshta payload 6 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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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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Satana family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Executes dropped EXE 6 IoCs
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Loads dropped DLL 9 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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Adds Run key to start application 2 TTPs 1 IoCs
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of SetThreadContext 2 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 5 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 8 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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Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies registry class 1 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 40 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.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\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_61a199076ddfb00d9a92792ffa0f2668_neshta_satana.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\svchost.com"C:\Windows\svchost.com" "C:\Users\Admin\AppData\Local\Temp\znx.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-0~1.EXE"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\znx.exeC:\Users\Admin\AppData\Local\Temp\znx.exe {846ee340-7039-11de-9d20-806e6f6e6963} C:\Users\Admin\AppData\Local\Temp\3582-490\2025-0~1.EXE5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\znx.exeC:\Users\Admin\AppData\Local\Temp\znx.exe {846ee340-7039-11de-9d20-806e6f6e6963} C:\Users\Admin\AppData\Local\Temp\3582-490\2025-0~1.EXE6⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\svchost.com"C:\Windows\svchost.com" "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet7⤵
- 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\VSSADMIN.EXEC:\Windows\system32\VSSADMIN.EXE Delete Shadows /All /Quiet8⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
1KB
MD57876c47f075f27da18b812047bc73119
SHA1f26032ca4faad88e9c412272688ff495957bc027
SHA2565f3b24a1ffa9442e63d7f183421f547cfe416ea0888ad0ec5cf81947682c503f
SHA5128c5a0d492030c4815cbd8ab98718b5a652965fd870de45204d741152191b36b1e791ebd2a92a9609177f201816df332dca93c68b2f29bfc5a5ae28d739fe3c7b
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Filesize
8B
MD5aa86cb7e70ad5f0a73f7a99004e4851f
SHA1165c6aa3177ff2cd69df18137c91bcc193d14e1f
SHA256797dfe4a5168af5d77b161356c8c893cb505534fca5ac8400e8ee048c4801bc7
SHA512fe7a1655232a04649a7112db95bf7f24dfec5da3b65414a87f10921b7a143e259fbf01ee15dbc58b801ef352afc2e3c79d4c26f430d76e849a882bfb385ec757
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Filesize
100B
MD55ea13ce720f47d39fdfd889ffb76e6d3
SHA14ce739c39a3c3e0f9c382d025517028d9a28b208
SHA2560488d2f652d43edb2960499cd6548ecc03eff153f391d3d595d48a875b8aceeb
SHA512bd8621a93e721157c7beda9b92790dd7777e9919dc59a5bc33ff302fdd711095a33bc5831606ff5044e7ac16839dac4447704c02aca739b80283bedba7e12721
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Filesize
34B
MD5135f0649840129f4dc078f9d2709330a
SHA18eaad2d7967f9bfe69091600a7557ed45492af9e
SHA256d4c3abfc34bd686aca8d0152b2c602994d0106601b93c570d3cb8a10a1530aa8
SHA51262dd495e2fc0617ac6ef9f3a4d5f25eeba8829b229e0b675fbbaf1b2344b32925384843af2c8c3944998b8f329f742d98ff1975d538bae4bf81436c08d7f70f5
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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
49KB
MD546bfd4f1d581d7c0121d2b19a005d3df
SHA15b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
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Filesize
108KB
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Filesize
108KB
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Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB