Analysis
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max time kernel
167s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
05-04-2023 11:04
General
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Target
a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe
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Size
96KB
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MD5
7f72105941c8f10b6260ef142b95965f
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SHA1
13024decb538649cec1f7f125907648c7ecf6b29
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SHA256
a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850
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SHA512
ca9a962b4d33721adfbec8a1c3988cf201c76eaffccbd2931fca4a9ef11007b664b3dda9c8cedfed170bcc716db0e84c313edd706ad8372e01b24b92ff4c97b9
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SSDEEP
1536:JxqjQ+P04wsmJCUrrdFyYv6gJZNeRBl5PT/rx1mzwRMSTdLpJ0M:sr85CUvdFq0QRrmzwR5JR
Malware Config
Signatures
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Detect Neshta payload 14 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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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
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Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies Windows Firewall 1 TTPs 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Executes dropped EXE 2 IoCs
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Modifies system executable filetype association 2 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 2 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Interacts with shadow copies 2 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 behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 49 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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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\a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe"C:\Users\Admin\AppData\Local\Temp\a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a97a31e1a6c785b845feafd57b5d9474590005eb1ee0dba482335206c1d0b850.exe"3⤵
- Executes dropped EXE
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off4⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable4⤵
- Modifies Windows Firewall
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2.4MB
MD58ffc3bdf4a1903d9e28b99d1643fc9c7
SHA1919ba8594db0ae245a8abd80f9f3698826fc6fe5
SHA2568268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
SHA5120b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
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Filesize
3.2MB
MD52bed39e72fe14d9a8dc51d5b89e22d17
SHA18504e0ab54ff1fb70d9ea5b2c9d38f3227f39db7
SHA25675cf630129c28b2128e0e750238519dd7832dc4c41326955c689f42c53f107e4
SHA512b71a6d42dc46a0c3ea6f1b90e7e42a8eafa20822f094a20b91ab9669d3f5c1f149873acbb91f8876c0c07629c7749d272a6cc121b5dc95ef56687e537b7921d9
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Filesize
55KB
MD5f9a10997982874520035e0c206712daf
SHA1c76d65009f28c92c2aadd1ebf84fbe94005ed6ac
SHA256b3568d9cba48a76ba9d9a2cc881ca5c21b59ca12278fb6aba5a06d9b1f1969e0
SHA51278f4c00074e494e46c3dcd285b06deaec4dd1287f6798df1f6e0e1c42d7f9fdc89d97a37f74790b973fccfe4183fd9c49e5862325e26ccfbf15b3a7f87efb337
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Filesize
55KB
MD5f9a10997982874520035e0c206712daf
SHA1c76d65009f28c92c2aadd1ebf84fbe94005ed6ac
SHA256b3568d9cba48a76ba9d9a2cc881ca5c21b59ca12278fb6aba5a06d9b1f1969e0
SHA51278f4c00074e494e46c3dcd285b06deaec4dd1287f6798df1f6e0e1c42d7f9fdc89d97a37f74790b973fccfe4183fd9c49e5862325e26ccfbf15b3a7f87efb337
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Filesize
55KB
MD5f9a10997982874520035e0c206712daf
SHA1c76d65009f28c92c2aadd1ebf84fbe94005ed6ac
SHA256b3568d9cba48a76ba9d9a2cc881ca5c21b59ca12278fb6aba5a06d9b1f1969e0
SHA51278f4c00074e494e46c3dcd285b06deaec4dd1287f6798df1f6e0e1c42d7f9fdc89d97a37f74790b973fccfe4183fd9c49e5862325e26ccfbf15b3a7f87efb337
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Filesize
55KB
MD5f9a10997982874520035e0c206712daf
SHA1c76d65009f28c92c2aadd1ebf84fbe94005ed6ac
SHA256b3568d9cba48a76ba9d9a2cc881ca5c21b59ca12278fb6aba5a06d9b1f1969e0
SHA51278f4c00074e494e46c3dcd285b06deaec4dd1287f6798df1f6e0e1c42d7f9fdc89d97a37f74790b973fccfe4183fd9c49e5862325e26ccfbf15b3a7f87efb337
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Filesize
5.8MB
MD56625f8150f4507644fd526924a6d380f
SHA1aa56569cd30c3bbc7cdfe8b4c90c3b23590c21bd
SHA256e8dd224abb8d2c5673714437f7d8983c1cc5ecd02afcd46be91161c0092e4de8
SHA512c2e24f9ce78406a92a7d94bb1bc6643a270640d6ad06b0e283afb1604c0643cf2eedbac2ac844022a8d257f0e2f308bfe3f727b7394f2dcd5d4110c5f7851348
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Filesize
108KB
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Filesize
108KB
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Filesize
108KB
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Filesize
108KB
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Filesize
108KB
-
Filesize
108KB
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Filesize
108KB
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Filesize
108KB
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Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
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Filesize
108KB