Analysis
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max time kernel
156s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
05-10-2023 19:23
General
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Target
fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe
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Size
1023KB
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MD5
77650bc339c9c420709ca447465f164b
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SHA1
623362fa1b8b25eb5e072db8f873486392cb464d
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SHA256
fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6
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SHA512
180f90f46b2ffe746bdd554b55987624f0e5c18b381dc5a43a18362e4403a155d8c1753b6038c9792e1d0bf450995cba830f5b653508491763e9a1a99605d4bb
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SSDEEP
24576:3JorhygMajIQREzeqwEhjL5a5iT/8oTZfMy4:5SrM8HCL5Rb8oSy4
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 (328) 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) 4 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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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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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 51 IoCs
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Suspicious use of WriteProcessMemory 38 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\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exeC:\Users\Admin\AppData\Local\Temp\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.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\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exeC:\Users\Admin\AppData\Local\Temp\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe4⤵
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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 Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[FFEFFEA7-3483].[[email protected]].8baseFilesize
3.2MB
MD549aa5328f0c3c1c328b20b1177cfb8c2
SHA1ae731b8bfa29671d1981d7745c689647a3c0097b
SHA256120f359f2eb3214f79d519f7a7a20497a8708353c44e98cc6b5421f58f54fbdb
SHA512db60c1114fac7a7ddc5e1d66635697ce92d118a9260d540aa22ff480b48a2ead7afd1e4d4946c7955c8ad7b65e75f8f01026999d6fe5ecfb911377b8c019b948
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6exe_JC.exe.logFilesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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memory/1476-22-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2684-21-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/2684-17-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/4356-8-0x00000000057B0000-0x0000000005D54000-memory.dmpFilesize
5.6MB
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memory/4356-7-0x0000000075100000-0x00000000758B0000-memory.dmpFilesize
7.7MB
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memory/4356-6-0x0000000005170000-0x00000000051BC000-memory.dmpFilesize
304KB
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memory/4356-5-0x00000000050E0000-0x0000000005114000-memory.dmpFilesize
208KB
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memory/4356-4-0x0000000005080000-0x00000000050C6000-memory.dmpFilesize
280KB
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memory/4356-0-0x0000000075100000-0x00000000758B0000-memory.dmpFilesize
7.7MB
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memory/4356-3-0x0000000004FC0000-0x0000000005008000-memory.dmpFilesize
288KB
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memory/4356-14-0x0000000005160000-0x0000000005170000-memory.dmpFilesize
64KB
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memory/4356-15-0x0000000075100000-0x00000000758B0000-memory.dmpFilesize
7.7MB
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memory/4356-2-0x0000000005160000-0x0000000005170000-memory.dmpFilesize
64KB
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memory/4356-1-0x00000000005A0000-0x00000000006A6000-memory.dmpFilesize
1.0MB
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memory/4556-33-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-63-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-12-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-34-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-36-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-35-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-37-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-41-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-50-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-46-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-57-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-13-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-70-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-101-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-102-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-92-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-113-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-9-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-204-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-481-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-632-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-2005-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4556-2012-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB