Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
28-11-2022 23:49
General
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Target
e654d76dadfd3cefd9052a116afd0e00.exe
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Size
1.1MB
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MD5
e654d76dadfd3cefd9052a116afd0e00
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SHA1
0774c3f2cdf2ef9760d1cacaeb9464e6f59cf745
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SHA256
ca452d795d8a7055e429e57205ff2b3a2083d28fe97dbb1ba591a3178df3a1a4
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SHA512
5c85e2aea0db6a2fb9e1ad9960f5c42cb7db62d0089c635ae71e1d029dab83b96116770e054e8633ebeb1e0144120f937e4381b1fa1c04fe8a045aff38cfbf47
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SSDEEP
12288:+kN2/snXKG+LtGEUSVH+9drewoSVKxXtP2qdhGAqU1HkYXUHtv7E3vyepAyvuUY0:+kN2/sjDzAPvhuv4Tgqea0nRhO
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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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 2 IoCs
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Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 2 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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Drops desktop.ini file(s) 33 IoCs
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1 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: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 49 IoCs
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Suspicious use of AdjustPrivilegeToken 50 IoCs
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Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e654d76dadfd3cefd9052a116afd0e00.exe"C:\Users\Admin\AppData\Local\Temp\e654d76dadfd3cefd9052a116afd0e00.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Drops startup file
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- 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\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
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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\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\!satana!.txt3⤵
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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
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Downloads
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Filesize
485B
MD54a69a5b8e518e19e288f56e02e85ff06
SHA17e468e1a3239a9f943e2f4286afb7df61d6a8567
SHA256e9a25108a7253da4b02a86cdff843fc991566e53c05889bcfd0ddd006669de08
SHA51287afc6879173b6012fb4c456c255ccb0cbede4e4942d5c48b4e998cb58df8c69b00d6e626bb5d6df51a479135f7aee6b0cd1a2b13d67741cdcc413b0c3a155db
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Filesize
1.1MB
MD5e654d76dadfd3cefd9052a116afd0e00
SHA10774c3f2cdf2ef9760d1cacaeb9464e6f59cf745
SHA256ca452d795d8a7055e429e57205ff2b3a2083d28fe97dbb1ba591a3178df3a1a4
SHA5125c85e2aea0db6a2fb9e1ad9960f5c42cb7db62d0089c635ae71e1d029dab83b96116770e054e8633ebeb1e0144120f937e4381b1fa1c04fe8a045aff38cfbf47
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Filesize
1.1MB
MD5e654d76dadfd3cefd9052a116afd0e00
SHA10774c3f2cdf2ef9760d1cacaeb9464e6f59cf745
SHA256ca452d795d8a7055e429e57205ff2b3a2083d28fe97dbb1ba591a3178df3a1a4
SHA5125c85e2aea0db6a2fb9e1ad9960f5c42cb7db62d0089c635ae71e1d029dab83b96116770e054e8633ebeb1e0144120f937e4381b1fa1c04fe8a045aff38cfbf47
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
1.2MB
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Filesize
10.8MB
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Filesize
10.8MB