Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
16-09-2023 03:56
General
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Target
f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exe
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Size
266KB
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MD5
bca4f45fd63e9b7a8fb82ca92de246a2
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SHA1
73819e4af3dc2200ae5eac87df6bda9c2d502134
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SHA256
f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f
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SHA512
6ad12488a43b28e97bb43cab7250ebd5b2f5a6437850a6c023f7a15ae5538905132f25a929c2efd240f113af2d038554e562ca5eb92835063ffd83b3f5b1c704
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SSDEEP
6144:I0zUjNSOjOTbdiEB241vgA0E1JtHMEtxPvGFXpbc2:I0YjNSOj+8219Np0C2
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
F:\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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Renames multiple (469) 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 2 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 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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Suspicious use of SetThreadContext 2 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).
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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 2 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 64 IoCs
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Suspicious use of WriteProcessMemory 64 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\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exe"C:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exeC:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exe2⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exe"C:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.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\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exeC:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.exeC:\Users\Admin\AppData\Local\Temp\f5d99d4548470b4699b215453e9be29e48aa20616d45f704c335bd3bbe3e0a4f.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\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\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\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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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 v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
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
2.7MB
MD58759d2962dc9c678086dd4c0856bc301
SHA1d1417b1174f2d081a8ed523f52411f19e955174a
SHA2567d60e197a865898bbe4f6f4a80a483257395cb5758d8a132739ca3b0b16f842a
SHA51274545180e5e0dd67364a54cf31897349337a9628aeec7dadd89ccfe3f31d1216966651b7a9d64121dec8474cda6200d146d6b93d7eecce6f99e367f4ad531dfc
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Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
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Filesize
5KB
MD5431199a56d7c30395a50e67b0be37df6
SHA1868ccf9d14c2f21cf0e66d445c3052f7ea4e0369
SHA256a208ea3005f6ec6564af3d9e1fbe614464cf65d92b4c5f2e6d951ebcc25473ac
SHA512e230f1cafc9274e1e97537121fa043e6e5fa7ee00f24ec18005c5368479697476c986e9a872b44e50bc6347e1f201c73d493b52458646e54821e31f03271bee7
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Filesize
5KB
MD5431199a56d7c30395a50e67b0be37df6
SHA1868ccf9d14c2f21cf0e66d445c3052f7ea4e0369
SHA256a208ea3005f6ec6564af3d9e1fbe614464cf65d92b4c5f2e6d951ebcc25473ac
SHA512e230f1cafc9274e1e97537121fa043e6e5fa7ee00f24ec18005c5368479697476c986e9a872b44e50bc6347e1f201c73d493b52458646e54821e31f03271bee7
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Filesize
5KB
MD5431199a56d7c30395a50e67b0be37df6
SHA1868ccf9d14c2f21cf0e66d445c3052f7ea4e0369
SHA256a208ea3005f6ec6564af3d9e1fbe614464cf65d92b4c5f2e6d951ebcc25473ac
SHA512e230f1cafc9274e1e97537121fa043e6e5fa7ee00f24ec18005c5368479697476c986e9a872b44e50bc6347e1f201c73d493b52458646e54821e31f03271bee7
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Filesize
5KB
MD5431199a56d7c30395a50e67b0be37df6
SHA1868ccf9d14c2f21cf0e66d445c3052f7ea4e0369
SHA256a208ea3005f6ec6564af3d9e1fbe614464cf65d92b4c5f2e6d951ebcc25473ac
SHA512e230f1cafc9274e1e97537121fa043e6e5fa7ee00f24ec18005c5368479697476c986e9a872b44e50bc6347e1f201c73d493b52458646e54821e31f03271bee7
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Filesize
5KB
MD5431199a56d7c30395a50e67b0be37df6
SHA1868ccf9d14c2f21cf0e66d445c3052f7ea4e0369
SHA256a208ea3005f6ec6564af3d9e1fbe614464cf65d92b4c5f2e6d951ebcc25473ac
SHA512e230f1cafc9274e1e97537121fa043e6e5fa7ee00f24ec18005c5368479697476c986e9a872b44e50bc6347e1f201c73d493b52458646e54821e31f03271bee7
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
288KB
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Filesize
304KB
-
Filesize
7.7MB
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Filesize
208KB
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Filesize
64KB
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Filesize
280KB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB