Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
10-10-2023 10:50
General
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Target
226c69fbd80993cd5f17f696aa924bcb.exe
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Size
782KB
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MD5
226c69fbd80993cd5f17f696aa924bcb
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SHA1
1aa0bf6a2470de52934be70d329a3e80e00fbd0b
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SHA256
2cfd30a7982b90be60f83fe5f4132999ac50d0d63d9681d8d50c3c8271faa34b
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SHA512
cf55ad1be4e88305b33cc48385c1f3e0581bbcc89a6f679b3905205fe55bea21c814dd13736e0cd9a4873757ebd8c0359a70e02df2fd6ef67415a3b76b70ebaf
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SSDEEP
12288:nhnPdo71+rsm5svWgNt6pAes0MiwLg2kLpkXfrfaEyC6gG5kmtcM0JIM1EdMEAL1:58ism5svWgufpkXfrfaEH07YIO0aL0w
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\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\226c69fbd80993cd5f17f696aa924bcb.exe"C:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.exeC:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.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\226c69fbd80993cd5f17f696aa924bcb.exe"C:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.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\226c69fbd80993cd5f17f696aa924bcb.exeC:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.exeC:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.exeC:\Users\Admin\AppData\Local\Temp\226c69fbd80993cd5f17f696aa924bcb.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
MD567c6620159172035b484b6ef4643d85e
SHA1bde3d230d97cee571d6f8f59fa437d01ab1344e4
SHA256f5d4c7a36b2823d22591530fd9428da6e75eb0c1f4ad3be95c5fcbf4304b49d4
SHA512572bb541ae32272e9eb74522a7fea14f51b5d7f4191691a920a0ab2775a75f7f7a7b7210347c75a2e522b1dbe8ef7bdd557196739f0656e63d3bb7f40a25e720
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Filesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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Filesize
5KB
MD54c662f380c9f3064f9ceb522bf7d97d8
SHA1d57998560c05084b3739b920a4bb4c639c3acb7c
SHA25618be4eb366fd55ebc3bfe18500798fc69514723eaedc3d97bd58bc77a2317b1d
SHA51237e2bcdc98d6014cc6de5d5e23ce770c6f7f949e8a8f1ec8d1fbb105d6ee161b3c0c302efe2a71edb99c4e6d143a6667360ee8a05a296baa16c541779f6cbe02
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Filesize
5KB
MD54c662f380c9f3064f9ceb522bf7d97d8
SHA1d57998560c05084b3739b920a4bb4c639c3acb7c
SHA25618be4eb366fd55ebc3bfe18500798fc69514723eaedc3d97bd58bc77a2317b1d
SHA51237e2bcdc98d6014cc6de5d5e23ce770c6f7f949e8a8f1ec8d1fbb105d6ee161b3c0c302efe2a71edb99c4e6d143a6667360ee8a05a296baa16c541779f6cbe02
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Filesize
5KB
MD54c662f380c9f3064f9ceb522bf7d97d8
SHA1d57998560c05084b3739b920a4bb4c639c3acb7c
SHA25618be4eb366fd55ebc3bfe18500798fc69514723eaedc3d97bd58bc77a2317b1d
SHA51237e2bcdc98d6014cc6de5d5e23ce770c6f7f949e8a8f1ec8d1fbb105d6ee161b3c0c302efe2a71edb99c4e6d143a6667360ee8a05a296baa16c541779f6cbe02
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Filesize
5KB
MD54c662f380c9f3064f9ceb522bf7d97d8
SHA1d57998560c05084b3739b920a4bb4c639c3acb7c
SHA25618be4eb366fd55ebc3bfe18500798fc69514723eaedc3d97bd58bc77a2317b1d
SHA51237e2bcdc98d6014cc6de5d5e23ce770c6f7f949e8a8f1ec8d1fbb105d6ee161b3c0c302efe2a71edb99c4e6d143a6667360ee8a05a296baa16c541779f6cbe02
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Filesize
5KB
MD54c662f380c9f3064f9ceb522bf7d97d8
SHA1d57998560c05084b3739b920a4bb4c639c3acb7c
SHA25618be4eb366fd55ebc3bfe18500798fc69514723eaedc3d97bd58bc77a2317b1d
SHA51237e2bcdc98d6014cc6de5d5e23ce770c6f7f949e8a8f1ec8d1fbb105d6ee161b3c0c302efe2a71edb99c4e6d143a6667360ee8a05a296baa16c541779f6cbe02
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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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
808KB
-
Filesize
304KB
-
Filesize
5.6MB
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Filesize
7.7MB
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Filesize
208KB
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Filesize
280KB
-
Filesize
312KB
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Filesize
64KB
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Filesize
7.7MB