Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19-12-2024 22:25
General
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Target
LBB_PS1.ps1
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Size
466KB
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MD5
17a7cd1ead2d35ed5d69c71d4fd7386d
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SHA1
734400d4444b88fe3848c80e3dba2ad9a5155c56
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SHA256
20dd91f589ea77b84c8ed0f67bce837d1f4d7688e56754e709d467db0bea03c9
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SHA512
7d5cd9b042229d1076a587b75594a002d379396d6ec889a8aee457a6a5a399130ae0a43fe0863adae23e32e46a7d17d4b55bfc2564cb17e579751161f6778828
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SSDEEP
1536:Kk0H/lFq+N1mfoRlNyjZk11iBQcIY1Y+qFMJFOgvZ/wpKDcalOGODPNTbJYj6CJI:VA
Malware Config
Signatures
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Renames multiple (144) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 14 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
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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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\LBB_PS1.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ex bypass -nonI C:\Users\Admin\AppData\Local\Temp\LBB_PS1.ps12⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\99FE.tmp"C:\ProgramData\99FE.tmp"3⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\99FE.tmp >> NUL4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
1KB
MD59e45e784e2d640c1aa8a549678d2a7d3
SHA1621289ba2924275a478803b174eb2c83e5776dea
SHA256d3025c9eba17f1dc87204c5a61e53ad8d6850aeff328ad7586745101e2dc591d
SHA512cba024347d760ec5f14dde94bac54cc744af081b4e0aa0e9854f2943a6532e6dec950081326cbbaea41c4606fba671b54b098e43f02a49a381648fc004b65bd9
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Filesize
466KB
MD5d81ba43d6f85caf230b51ef90e424f1a
SHA1c487db3153a16478dadcca4708754f5beefe225a
SHA256a41fae823e1fa0ded76673fe9aaa424d5e52f88cd4df9090142d71660e5f4518
SHA51203ac4d37f0cc920337295498bc5327337b7cdcf1484cd4885bc2dd1d8664b4e3ea09e35fe50e5ee4446e3a7c2e419df2e53374b046d1bdb3e23a5c7ee6250419
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
6KB
MD5fc008dd1107e091d6c57828cc685bf80
SHA146ad09041b2a897b3395672553d5befab84172fa
SHA2565310562f473a406337f469211ac33464989a613bf1bfc4d5eb4d440abbfdb484
SHA51216d311ff056719c45c92c0efd4407eb845b83bff4a04e66a63ac8a30da1113ad6aa737ca3b4093a0be8de9458282d400560db8a6bd7dd889615c9de655d09eea
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Filesize
8KB
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Filesize
136KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
-
Filesize
304KB
-
Filesize
600KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
136KB
-
Filesize
408KB
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Filesize
408KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
304KB
-
Filesize
6.5MB
-
Filesize
104KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
4KB
-
Filesize
652KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
200KB
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Filesize
40KB
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Filesize
216KB
-
Filesize
68KB
-
Filesize
56KB
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Filesize
80KB
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Filesize
32KB
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Filesize
104KB
-
Filesize
140KB
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Filesize
7.7MB
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Filesize
140KB
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Filesize
7.7MB
-
Filesize
140KB
-
Filesize
140KB
-
Filesize
140KB
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Filesize
140KB
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Filesize
140KB
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Filesize
4KB
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Filesize
7.7MB
-
Filesize
7.7MB
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Filesize
140KB
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Filesize
140KB
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Filesize
7.7MB