Analysis
-
max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
-
submitted
23-12-2022 07:32
General
-
Target
3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825.exe
-
Size
56KB
-
MD5
d9736333f5abddf50bc889402e788f82
-
SHA1
78985aaa16a33b2883dddda20d3465e82ed68536
-
SHA256
3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825
-
SHA512
1e42b3b9b2ff7763625f50a4394f00784748d6123410564e13c24da876a8a412178e01ad689dc3874cf8c9313b4f511a39a3a9165e4b4c9c0bf99d044bd53722
-
SSDEEP
1536:kNeRBl5PT/rx1mzwRMSTdLpJo0fGTP/FDYT:kQRrmzwR5JbfGTP/FG
Malware Config
Extracted
C:\Users\Admin\Desktop\info.hta
Signatures
-
Phobos
Phobos ransomware appeared at the beginning of 2019.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
-
Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
-
Modifies Windows Firewall 1 TTPs 2 IoCs
-
Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
-
Drops startup file 3 IoCs
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 2 IoCs
-
Drops desktop.ini file(s) 64 IoCs
-
Drops file in Program Files directory 64 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
-
Modifies Internet Explorer settings 1 TTPs 3 IoCs
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of WriteProcessMemory 60 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825.exe"C:\Users\Admin\AppData\Local\Temp\3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- 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
-
C:\Users\Admin\AppData\Local\Temp\3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825.exe"C:\Users\Admin\AppData\Local\Temp\3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825.exe"2⤵
-
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
-
-
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
-
-
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
-
-
C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
-
-
-
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"2⤵
- Modifies Internet Explorer settings
-
-
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"2⤵
- Modifies Internet Explorer settings
-
-
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"2⤵
- Modifies Internet Explorer settings
-
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
-
-
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
5KB
MD5f72cac0c8b7f3ccfa9dc50bbc0cf003f
SHA1697765607c59c745560119e44d6b8598c35f376b
SHA2560b708b08cab00851cbd12279117e848e9b94868303b782e254e8b63a238be559
SHA51276b541f0f4c80e1a8453b3ee91f4f1496e48f1a603b77823bfdbea9046da806aa602a4e0d02611d6e15f427c529574944236d2d0255eb3cf71f41df52a970b9d
-
Filesize
5KB
MD5f72cac0c8b7f3ccfa9dc50bbc0cf003f
SHA1697765607c59c745560119e44d6b8598c35f376b
SHA2560b708b08cab00851cbd12279117e848e9b94868303b782e254e8b63a238be559
SHA51276b541f0f4c80e1a8453b3ee91f4f1496e48f1a603b77823bfdbea9046da806aa602a4e0d02611d6e15f427c529574944236d2d0255eb3cf71f41df52a970b9d
-
Filesize
5KB
MD5f72cac0c8b7f3ccfa9dc50bbc0cf003f
SHA1697765607c59c745560119e44d6b8598c35f376b
SHA2560b708b08cab00851cbd12279117e848e9b94868303b782e254e8b63a238be559
SHA51276b541f0f4c80e1a8453b3ee91f4f1496e48f1a603b77823bfdbea9046da806aa602a4e0d02611d6e15f427c529574944236d2d0255eb3cf71f41df52a970b9d
-
-
-
-
-
-
Filesize
8KB
-
-
-
-
-
-
Filesize
8KB
-
-
-
-
-
-
-
-