Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
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submitted
14-07-2023 00:27
General
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Target
52661e5c4f8503541a5f361cfa8e4518f852907365e23fdfcc8472fea67df12b.exe
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Size
243KB
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MD5
aa953562a65b23988178414c62977fde
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SHA1
38553a70a6eef94a602a3bc5b78dfcdf01e4a115
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SHA256
52661e5c4f8503541a5f361cfa8e4518f852907365e23fdfcc8472fea67df12b
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SHA512
e7a2ac9f5d5ffbc222fb332e32ca7f9b7b5c84832a9c021a02107a0c56065335e2d3224cb13ade70ffe62d179d296ebfdb7cfc2bcb64e0bba4ad9e71bd93373a
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SSDEEP
3072:am6ydKK3a/KOApfaitUkritXsnWk/13yilpDL7dYfpmb3AMlx:ZKdAxxJit8JdiiHfBYfpmtP
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\52661e5c4f8503541a5f361cfa8e4518f852907365e23fdfcc8472fea67df12b.exe"C:\Users\Admin\AppData\Local\Temp\52661e5c4f8503541a5f361cfa8e4518f852907365e23fdfcc8472fea67df12b.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\52661e5c4f8503541a5f361cfa8e4518f852907365e23fdfcc8472fea67df12b.exe"C:\Users\Admin\AppData\Local\Temp\52661e5c4f8503541a5f361cfa8e4518f852907365e23fdfcc8472fea67df12b.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 4603⤵
- 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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4296 -ip 42961⤵
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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 v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD54004997535a0d552893b2ad7037229c9
SHA1617e0ea36f7524127c3a6b3fafbfa54a3a64d94a
SHA256bd5d9e5251d0af55f6e3e3ab1675e06c56d4bc66324ef3a2b24bf34f2e1faff3
SHA512c2d8d7c7005fd780740163ccdc38a9b4f1639a81ae82222c241945e91ef7601afb7014f6081936e43be4d87e0d719f373d8523595b4536bcac756efd9033710d
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Filesize
5KB
MD59993e1105b4cd465b81a557dabfa3545
SHA1acdc47148fda1a026af4ade6880abd70ca35520b
SHA256908cd8733a9106d32250415b0bbb0bcc05ca06ff8c2854c2589909021b644361
SHA51252adf6384c93b8eb30553dc45e2d8c02e9448759bcf708d896813a115d929927d1102fd270a7871095abed8c4f4cd6e7495187dbc1da819c24b175a843f346bb
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Filesize
5KB
MD59993e1105b4cd465b81a557dabfa3545
SHA1acdc47148fda1a026af4ade6880abd70ca35520b
SHA256908cd8733a9106d32250415b0bbb0bcc05ca06ff8c2854c2589909021b644361
SHA51252adf6384c93b8eb30553dc45e2d8c02e9448759bcf708d896813a115d929927d1102fd270a7871095abed8c4f4cd6e7495187dbc1da819c24b175a843f346bb
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Filesize
5KB
MD59993e1105b4cd465b81a557dabfa3545
SHA1acdc47148fda1a026af4ade6880abd70ca35520b
SHA256908cd8733a9106d32250415b0bbb0bcc05ca06ff8c2854c2589909021b644361
SHA51252adf6384c93b8eb30553dc45e2d8c02e9448759bcf708d896813a115d929927d1102fd270a7871095abed8c4f4cd6e7495187dbc1da819c24b175a843f346bb
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Filesize
5KB
MD59993e1105b4cd465b81a557dabfa3545
SHA1acdc47148fda1a026af4ade6880abd70ca35520b
SHA256908cd8733a9106d32250415b0bbb0bcc05ca06ff8c2854c2589909021b644361
SHA51252adf6384c93b8eb30553dc45e2d8c02e9448759bcf708d896813a115d929927d1102fd270a7871095abed8c4f4cd6e7495187dbc1da819c24b175a843f346bb
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Filesize
5KB
MD59993e1105b4cd465b81a557dabfa3545
SHA1acdc47148fda1a026af4ade6880abd70ca35520b
SHA256908cd8733a9106d32250415b0bbb0bcc05ca06ff8c2854c2589909021b644361
SHA51252adf6384c93b8eb30553dc45e2d8c02e9448759bcf708d896813a115d929927d1102fd270a7871095abed8c4f4cd6e7495187dbc1da819c24b175a843f346bb
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Filesize
39.3MB
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Filesize
39.3MB
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Filesize
39.3MB
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Filesize
39.3MB
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Filesize
60KB
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Filesize
39.3MB
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Filesize
39.3MB
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Filesize
1024KB
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Filesize
39.3MB
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Filesize
39.3MB
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Filesize
1024KB
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Filesize
39.3MB
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Filesize
1024KB
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Filesize
60KB
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Filesize
39.3MB