Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
12-10-2023 00:34
General
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Target
9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe
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Size
1.7MB
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MD5
a6ab201ae407fbe4a5da5f20dc38412b
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SHA1
b3f8caf67f36730ad87031d206db91c861980615
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SHA256
9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf
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SHA512
eb0e97119784d4f60ac5b1c499e4bdfa885243c8859d79e92e1c07a2aba3539606e5df978d8d63d7764fe898e691488a53d02fc495dc837b930cfe3d83cede2b
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SSDEEP
24576:fp1vJ+VbHGsD+KBrdrDeZYeGMqrK5Nt9Z64JrQTwkMZddfy6Tsqp+RjfMst:x3KpyJrQTwo6Tszgs
Malware Config
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 2 IoCs
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Renames multiple (171) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Drops startup file 1 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) 13 IoCs
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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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Program crash 1 IoCs
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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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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 49 IoCs
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Suspicious use of WriteProcessMemory 63 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\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe2⤵
- 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\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 1645⤵
- Program crash
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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⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
143.1MB
MD580c0a243c05a167ae1248aae4b501a89
SHA10126f3ee11151afe3eeeb98f84f8674e2e8a3686
SHA2564d9e5a695e3bca48876c5fe033c8381b0e000319a9af13de4ba64163e2f786a3
SHA51240ca3392188dae518929a33bc822cca8366d1e75b49a2d3884bb8f394a517b32a31d6244ff27ef5594e5c48282b1500d45b2608f017687fc54928e314dbe97c6
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
280KB
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Filesize
256KB
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Filesize
208KB
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Filesize
304KB
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Filesize
1.7MB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
4KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
6.9MB
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Filesize
280KB
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Filesize
6.9MB
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Filesize
1.7MB
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Filesize
4KB