Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
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submitted
14-07-2023 02:28
General
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Target
8113218903975b81b22049796f201e06638595d2f6fadd82da06817bfbce85d7.exe
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Size
183KB
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MD5
486417849d6c58436232f8b427e34bfe
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SHA1
f897bc1186540da5fa1a7a83a066fc1eb9319928
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SHA256
8113218903975b81b22049796f201e06638595d2f6fadd82da06817bfbce85d7
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SHA512
1c418391bf38906addfd5641c652712b39e85f6fac38a2591785bff365db98b7870a4b1c3ce775edd2a283c932a892ac25709733da1238c4deccc87653a4871b
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SSDEEP
3072:DyyfLFwJ1I8fCzy6yhFcRLVknXEHYTpO+4YxC5Xf8O:WaLI8+zxnn34kof8
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\Users\Admin\Desktop\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 (474) 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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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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Program crash 1 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 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 42 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\8113218903975b81b22049796f201e06638595d2f6fadd82da06817bfbce85d7.exe"C:\Users\Admin\AppData\Local\Temp\8113218903975b81b22049796f201e06638595d2f6fadd82da06817bfbce85d7.exe"1⤵
- 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\8113218903975b81b22049796f201e06638595d2f6fadd82da06817bfbce85d7.exe"C:\Users\Admin\AppData\Local\Temp\8113218903975b81b22049796f201e06638595d2f6fadd82da06817bfbce85d7.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 4843⤵
- Program crash
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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" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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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}2⤵
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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}2⤵
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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}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\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\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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 924 -ip 9241⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.7MB
MD55e89c796c37b3772c99c1a4d858874bc
SHA1ca1bc02f96ed93941146dfcb56d51e9b3f4fd95f
SHA25652c3c1b40582796f28e22d72ccc114cd085e23bf046effcc8cac7cba9320d733
SHA512409c209833110b633c04825f00a851e9121fdfc1ea73ade3ac48d40d5d1de77994d3eb4fbae15fe384674b9107fa6788d3bb7beb8ec48b83b1892d2c1b184366
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Filesize
5KB
MD597114c76039bfdf0a57e5045e1f0f017
SHA1e46f66a36a39ad591cd0f13a5db0d97eaa2a696a
SHA256d0d13e589043480e033b3014c64d6f0ef8119ade4026cab4a5d3022b3e26fd93
SHA512874c7f4ef0bd9cc3320136336a23fbefb9a45dd6bf13c5929a5d9fbc4e03a2f9ba579a81b51b0a8973ef9a0c8b0c45f415387303f97b1c219b65ba4d230eaf11
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Filesize
5KB
MD597114c76039bfdf0a57e5045e1f0f017
SHA1e46f66a36a39ad591cd0f13a5db0d97eaa2a696a
SHA256d0d13e589043480e033b3014c64d6f0ef8119ade4026cab4a5d3022b3e26fd93
SHA512874c7f4ef0bd9cc3320136336a23fbefb9a45dd6bf13c5929a5d9fbc4e03a2f9ba579a81b51b0a8973ef9a0c8b0c45f415387303f97b1c219b65ba4d230eaf11
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Filesize
5KB
MD597114c76039bfdf0a57e5045e1f0f017
SHA1e46f66a36a39ad591cd0f13a5db0d97eaa2a696a
SHA256d0d13e589043480e033b3014c64d6f0ef8119ade4026cab4a5d3022b3e26fd93
SHA512874c7f4ef0bd9cc3320136336a23fbefb9a45dd6bf13c5929a5d9fbc4e03a2f9ba579a81b51b0a8973ef9a0c8b0c45f415387303f97b1c219b65ba4d230eaf11
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Filesize
5KB
MD597114c76039bfdf0a57e5045e1f0f017
SHA1e46f66a36a39ad591cd0f13a5db0d97eaa2a696a
SHA256d0d13e589043480e033b3014c64d6f0ef8119ade4026cab4a5d3022b3e26fd93
SHA512874c7f4ef0bd9cc3320136336a23fbefb9a45dd6bf13c5929a5d9fbc4e03a2f9ba579a81b51b0a8973ef9a0c8b0c45f415387303f97b1c219b65ba4d230eaf11
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Filesize
5KB
MD597114c76039bfdf0a57e5045e1f0f017
SHA1e46f66a36a39ad591cd0f13a5db0d97eaa2a696a
SHA256d0d13e589043480e033b3014c64d6f0ef8119ade4026cab4a5d3022b3e26fd93
SHA512874c7f4ef0bd9cc3320136336a23fbefb9a45dd6bf13c5929a5d9fbc4e03a2f9ba579a81b51b0a8973ef9a0c8b0c45f415387303f97b1c219b65ba4d230eaf11
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Filesize
1024KB
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Filesize
632KB
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Filesize
60KB
-
Filesize
632KB
-
Filesize
632KB
-
Filesize
632KB
-
Filesize
632KB
-
Filesize
632KB
-
Filesize
632KB
-
Filesize
632KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
632KB
-
Filesize
60KB
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Filesize
632KB