Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
16-09-2023 11:51
General
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Target
9824d07cea51069c0042eff0e46d1ad2.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:\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 (314) 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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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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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies Internet Explorer settings 1 TTPs 4 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\9824d07cea51069c0042eff0e46d1ad2.exe"C:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.exeC:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.exe2⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.exe"C:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.exeC:\Users\Admin\AppData\Local\Temp\9824d07cea51069c0042eff0e46d1ad2.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\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\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\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
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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⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
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
143.1MB
MD5b3567df196f24711d0096bb8f02c3ddb
SHA155dac78b8eee1fc2b8362802c58f4c1a266a28fb
SHA256abca93ace0437267a890b764274d38a288564049248ebe524189274d304fa7eb
SHA5126f4e7c26859476d37c3900534ff09b8df08068420218ffa6d6dc407530cad7313d11937dc6ef999a7e6d438a10a29fb4d3f8602cedfc32825e3c33686f840bc5
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Filesize
5KB
MD5a25a152551d13d6de20dbb142b02ac74
SHA1f7dde7f081866bef8e0845c1c60d6b4899fd90d3
SHA25607664df018d6d810e7f2a8d92e67eb842ae3b00bdeb84676bba5d8f004fd76f6
SHA5122bd2069a280d8a2ab0b62d2794f7debfab48a9ff3016e7475ce3b1b4150a032cac0f37f6fc4470ef505fc5b71608e26a341b669969e94c5726daf17145d0fa7a
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Filesize
5KB
MD5a25a152551d13d6de20dbb142b02ac74
SHA1f7dde7f081866bef8e0845c1c60d6b4899fd90d3
SHA25607664df018d6d810e7f2a8d92e67eb842ae3b00bdeb84676bba5d8f004fd76f6
SHA5122bd2069a280d8a2ab0b62d2794f7debfab48a9ff3016e7475ce3b1b4150a032cac0f37f6fc4470ef505fc5b71608e26a341b669969e94c5726daf17145d0fa7a
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Filesize
5KB
MD5a25a152551d13d6de20dbb142b02ac74
SHA1f7dde7f081866bef8e0845c1c60d6b4899fd90d3
SHA25607664df018d6d810e7f2a8d92e67eb842ae3b00bdeb84676bba5d8f004fd76f6
SHA5122bd2069a280d8a2ab0b62d2794f7debfab48a9ff3016e7475ce3b1b4150a032cac0f37f6fc4470ef505fc5b71608e26a341b669969e94c5726daf17145d0fa7a
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Filesize
5KB
MD5a25a152551d13d6de20dbb142b02ac74
SHA1f7dde7f081866bef8e0845c1c60d6b4899fd90d3
SHA25607664df018d6d810e7f2a8d92e67eb842ae3b00bdeb84676bba5d8f004fd76f6
SHA5122bd2069a280d8a2ab0b62d2794f7debfab48a9ff3016e7475ce3b1b4150a032cac0f37f6fc4470ef505fc5b71608e26a341b669969e94c5726daf17145d0fa7a
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Filesize
5KB
MD5a25a152551d13d6de20dbb142b02ac74
SHA1f7dde7f081866bef8e0845c1c60d6b4899fd90d3
SHA25607664df018d6d810e7f2a8d92e67eb842ae3b00bdeb84676bba5d8f004fd76f6
SHA5122bd2069a280d8a2ab0b62d2794f7debfab48a9ff3016e7475ce3b1b4150a032cac0f37f6fc4470ef505fc5b71608e26a341b669969e94c5726daf17145d0fa7a
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Filesize
6.9MB
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Filesize
208KB
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Filesize
256KB
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Filesize
336KB
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Filesize
280KB
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Filesize
6.9MB
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Filesize
304KB
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Filesize
280KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
336KB
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Filesize
36KB
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Filesize
4KB
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Filesize
76KB
-
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
4KB
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Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
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Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
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Filesize
76KB