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
18-09-2023 02:14
General
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Target
d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exe
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Size
312KB
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MD5
9824d07cea51069c0042eff0e46d1ad2
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SHA1
70ef130a8f88076dc671ab9873b2a3a3c45818fc
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SHA256
d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7
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SHA512
6d38269e1c93c7e8bd6668cd26947cb821043c9bcbcb19d586795e0fb3d52b8a492e3817eef912bae165973c001c205fd879bbca9810339e6b45bda1651e3bb9
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SSDEEP
6144:XAo4v3KmeRDWs0cSsm42PWB1vEtf8h81dZgjvxbtIGnWSPgYYshfnmU3H1l5Fy4:XGimeAs0cuvuB14I9JWfWnNl
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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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 62 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\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exe"C:\Users\Admin\AppData\Local\Temp\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exeC:\Users\Admin\AppData\Local\Temp\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.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\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exe"C:\Users\Admin\AppData\Local\Temp\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.exeC:\Users\Admin\AppData\Local\Temp\d7cb8a2d60e1818d0638a4c38cd6fae475dc83ab7b2bde9827ecc4e4a7ce6ed7.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⤵
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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
3.2MB
MD5b275b8e410783257a83a8e7ce265c338
SHA1fe23017475349a86c97b28cd36d9c1483e1a4f21
SHA256427846dd36e6c7a3d78c1444ac5c0a033ed852c2c342f3afaa41aed1db67f207
SHA512722c280c59fa2a1187223d0286b7e2a12dc15c58df1063fb159153e20678ccbc205e19afbbc1e2dbad82118c4daf5076891cdb86fe8c14b873927867ecf38d05
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Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
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Filesize
5KB
MD567c4e64cc3735b395b801bd2f1fedfe6
SHA185722d89f37208e2067d86073422f591be69c468
SHA25646e21a75994529f2ca944f2de8252a6ff1af7e9ee1c29a7d67320973abe1070f
SHA5123218c73c09f610296c6800b8b0dd63a044fcf2a39602306ca0eb6f144870edfcde51de54d930728187e9d402d6693bdd1ea4b1da745353cc364ca568e6c1ea15
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Filesize
5KB
MD567c4e64cc3735b395b801bd2f1fedfe6
SHA185722d89f37208e2067d86073422f591be69c468
SHA25646e21a75994529f2ca944f2de8252a6ff1af7e9ee1c29a7d67320973abe1070f
SHA5123218c73c09f610296c6800b8b0dd63a044fcf2a39602306ca0eb6f144870edfcde51de54d930728187e9d402d6693bdd1ea4b1da745353cc364ca568e6c1ea15
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Filesize
5KB
MD567c4e64cc3735b395b801bd2f1fedfe6
SHA185722d89f37208e2067d86073422f591be69c468
SHA25646e21a75994529f2ca944f2de8252a6ff1af7e9ee1c29a7d67320973abe1070f
SHA5123218c73c09f610296c6800b8b0dd63a044fcf2a39602306ca0eb6f144870edfcde51de54d930728187e9d402d6693bdd1ea4b1da745353cc364ca568e6c1ea15
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Filesize
5KB
MD567c4e64cc3735b395b801bd2f1fedfe6
SHA185722d89f37208e2067d86073422f591be69c468
SHA25646e21a75994529f2ca944f2de8252a6ff1af7e9ee1c29a7d67320973abe1070f
SHA5123218c73c09f610296c6800b8b0dd63a044fcf2a39602306ca0eb6f144870edfcde51de54d930728187e9d402d6693bdd1ea4b1da745353cc364ca568e6c1ea15
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Filesize
5KB
MD567c4e64cc3735b395b801bd2f1fedfe6
SHA185722d89f37208e2067d86073422f591be69c468
SHA25646e21a75994529f2ca944f2de8252a6ff1af7e9ee1c29a7d67320973abe1070f
SHA5123218c73c09f610296c6800b8b0dd63a044fcf2a39602306ca0eb6f144870edfcde51de54d930728187e9d402d6693bdd1ea4b1da745353cc364ca568e6c1ea15
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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
64KB
-
Filesize
336KB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
280KB
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Filesize
7.7MB
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Filesize
208KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
280KB
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Filesize
64KB