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 21:30
General
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Target
c447b9a04d36e1a1e8560fc380dec019ec3b63506d07d0116e1ec2c28a9b1c30.exe
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Size
163KB
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MD5
135b7770256f74599583fd23f5cfb97a
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SHA1
3d905cd65aad43bb776e592169ee977ca475a1d6
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SHA256
c447b9a04d36e1a1e8560fc380dec019ec3b63506d07d0116e1ec2c28a9b1c30
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SHA512
648a5aaa257f92364a0da9c5b4e4090429ba4b30f907709fb4e3117d150f7dfab59ac470d8c329d345a64ab05d830ed2ea0a63bc18c914f5a0587def16e5716f
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SSDEEP
3072:VKfLndzSR1fKYGW1VgAq4DUdBhKNsTf44gUfOQ85ws27:UfLndIfzGEVgAql7hKNsrngM7s27
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 (471) 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 3 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\c447b9a04d36e1a1e8560fc380dec019ec3b63506d07d0116e1ec2c28a9b1c30.exe"C:\Users\Admin\AppData\Local\Temp\c447b9a04d36e1a1e8560fc380dec019ec3b63506d07d0116e1ec2c28a9b1c30.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\c447b9a04d36e1a1e8560fc380dec019ec3b63506d07d0116e1ec2c28a9b1c30.exe"C:\Users\Admin\AppData\Local\Temp\c447b9a04d36e1a1e8560fc380dec019ec3b63506d07d0116e1ec2c28a9b1c30.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 5003⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 5083⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 5363⤵
- 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\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\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\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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3064 -ip 30641⤵
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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)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3064 -ip 30641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3064 -ip 30641⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD50443bd9dfa2230910f732268e10bc690
SHA19f4bc38d8750db59081b40d8b7913693b8b0c5ea
SHA256c0087914f6887edc81c7ca471c3bb47ce78ba6fd65a134832e8e98f623d85eb5
SHA512f2047f36a6ff087c853288207e8207f0446258cc0829344dc1ec319378bdc969e51f9e6f50c51cb29e25c8c6e1acdda2cc475a578500528d88306c61fb329eee
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Filesize
5KB
MD54d7c55de7e24e9eadc29271cea9430c4
SHA128deb7131aae2aa933bede3cc8c290ae6148e954
SHA2564957660cc273aaec073884b3c7a550e8869f321fe5eb484a303650aec821aa79
SHA5124ca8e1425894bef2b4966fc3c26bc065779cfa137e894d6e93b824469bb3e8c1d5e71ecb2208222bef6d1d08234a92f68d962f38b4ee1d8594bbb9f3619c3f50
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Filesize
5KB
MD54d7c55de7e24e9eadc29271cea9430c4
SHA128deb7131aae2aa933bede3cc8c290ae6148e954
SHA2564957660cc273aaec073884b3c7a550e8869f321fe5eb484a303650aec821aa79
SHA5124ca8e1425894bef2b4966fc3c26bc065779cfa137e894d6e93b824469bb3e8c1d5e71ecb2208222bef6d1d08234a92f68d962f38b4ee1d8594bbb9f3619c3f50
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Filesize
5KB
MD54d7c55de7e24e9eadc29271cea9430c4
SHA128deb7131aae2aa933bede3cc8c290ae6148e954
SHA2564957660cc273aaec073884b3c7a550e8869f321fe5eb484a303650aec821aa79
SHA5124ca8e1425894bef2b4966fc3c26bc065779cfa137e894d6e93b824469bb3e8c1d5e71ecb2208222bef6d1d08234a92f68d962f38b4ee1d8594bbb9f3619c3f50
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Filesize
5KB
MD54d7c55de7e24e9eadc29271cea9430c4
SHA128deb7131aae2aa933bede3cc8c290ae6148e954
SHA2564957660cc273aaec073884b3c7a550e8869f321fe5eb484a303650aec821aa79
SHA5124ca8e1425894bef2b4966fc3c26bc065779cfa137e894d6e93b824469bb3e8c1d5e71ecb2208222bef6d1d08234a92f68d962f38b4ee1d8594bbb9f3619c3f50
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Filesize
5KB
MD54d7c55de7e24e9eadc29271cea9430c4
SHA128deb7131aae2aa933bede3cc8c290ae6148e954
SHA2564957660cc273aaec073884b3c7a550e8869f321fe5eb484a303650aec821aa79
SHA5124ca8e1425894bef2b4966fc3c26bc065779cfa137e894d6e93b824469bb3e8c1d5e71ecb2208222bef6d1d08234a92f68d962f38b4ee1d8594bbb9f3619c3f50
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Filesize
1024KB
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Filesize
908KB
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Filesize
60KB
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Filesize
908KB
-
Filesize
908KB
-
Filesize
908KB
-
Filesize
908KB
-
Filesize
908KB
-
Filesize
908KB
-
Filesize
908KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
908KB
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Filesize
60KB
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Filesize
908KB