Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
27-09-2022 11:49
General
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Target
1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6.exe
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Size
55KB
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MD5
336e11346f73a09b1a7e117fa2542558
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SHA1
dc7dccdeb25715e2652168f4b1853485410dee4f
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SHA256
1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6
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SHA512
17a269ca1f447915e3ad9f3e5437a6c115ff53a9541b827d16e55dceee98e2513ff219f81cb6aad064df9a6b52f951062e4b7aced32ae1215efa57de6e2fa183
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SSDEEP
1536:YNeRBl5PT/rx1mzwRMSTdLpJ51mp9p93OmuK:YQRrmzwR5JbmppO
Malware Config
Extracted
C:\info.hta
Signatures
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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 4 IoCs
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Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies Windows Firewall 1 TTPs 2 IoCs
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Drops startup file 3 IoCs
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Reads user/profile data of web browsers 2 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 2 IoCs
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Drops desktop.ini file(s) 64 IoCs
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Drops file in Program Files directory 64 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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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies Internet Explorer settings 1 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 60 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6.exe"C:\Users\Admin\AppData\Local\Temp\1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6.exe"1⤵
- 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
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C:\Users\Admin\AppData\Local\Temp\1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6.exe"C:\Users\Admin\AppData\Local\Temp\1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6.exe"2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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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⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5KB
MD56e815f1be88609184ab098371cfb973a
SHA177d5ec61bb347d6b773c9d3fbd8a5e0859e2c639
SHA2561b5f752d4d27d8504768e6cd40e9816b67e283fbf1721366715b8890cead604c
SHA51261194fae9821873e79ebf3a98d093e89fb85282f1c28655ff0fbba6c674d86aae868a865bcb027c3d604a57d92a22d3e5b635418885be1c670548be2b64e8ead
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Filesize
5KB
MD56e815f1be88609184ab098371cfb973a
SHA177d5ec61bb347d6b773c9d3fbd8a5e0859e2c639
SHA2561b5f752d4d27d8504768e6cd40e9816b67e283fbf1721366715b8890cead604c
SHA51261194fae9821873e79ebf3a98d093e89fb85282f1c28655ff0fbba6c674d86aae868a865bcb027c3d604a57d92a22d3e5b635418885be1c670548be2b64e8ead
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Filesize
5KB
MD56e815f1be88609184ab098371cfb973a
SHA177d5ec61bb347d6b773c9d3fbd8a5e0859e2c639
SHA2561b5f752d4d27d8504768e6cd40e9816b67e283fbf1721366715b8890cead604c
SHA51261194fae9821873e79ebf3a98d093e89fb85282f1c28655ff0fbba6c674d86aae868a865bcb027c3d604a57d92a22d3e5b635418885be1c670548be2b64e8ead
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Filesize
8KB
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Filesize
8KB
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