Analysis
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max time kernel
143s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2025, 05:57
Static task
static1
Behavioral task
behavioral1
Sample
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
Pericenter.ps1
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Pericenter.ps1
Resource
win10v2004-20250217-en
General
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Target
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
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Size
700KB
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MD5
ce25a78cb6991d5b684c6259f5bc2a87
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SHA1
49cafe104a00b61c9591a0c07f5896e7ce83bc66
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SHA256
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7
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SHA512
e76af5d142303469a9918887f4565755e9813789a5b71c9f1f02524b1f3a46034550980c9552da0ae51ab3d2b2b7c987b0ef8dcbee37ad5457bcfcbcadc689b8
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SSDEEP
12288:qDGKUSd7xLweNT3wamtSkQOwGPLLgmHvfSghvpnJ4JrG/A/cEgAnRtekr2Q:2UeN3qt3pMm3PyJYqJRoQ
Malware Config
Extracted
darkcloud
- email_from
- email_to
Signatures
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Darkcloud family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3060 powershell.exe -
Blocklisted process makes network request 5 IoCs
flow pid Process 59 2844 msiexec.exe 61 2844 msiexec.exe 63 2844 msiexec.exe 65 2844 msiexec.exe 69 2844 msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 58 drive.google.com 59 drive.google.com -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2844 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3060 powershell.exe 2844 msiexec.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3060 powershell.exe -
Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 3060 powershell.exe Token: SeIncreaseQuotaPrivilege 3060 powershell.exe Token: SeSecurityPrivilege 3060 powershell.exe Token: SeTakeOwnershipPrivilege 3060 powershell.exe Token: SeLoadDriverPrivilege 3060 powershell.exe Token: SeSystemProfilePrivilege 3060 powershell.exe Token: SeSystemtimePrivilege 3060 powershell.exe Token: SeProfSingleProcessPrivilege 3060 powershell.exe Token: SeIncBasePriorityPrivilege 3060 powershell.exe Token: SeCreatePagefilePrivilege 3060 powershell.exe Token: SeBackupPrivilege 3060 powershell.exe Token: SeRestorePrivilege 3060 powershell.exe Token: SeShutdownPrivilege 3060 powershell.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeSystemEnvironmentPrivilege 3060 powershell.exe Token: SeRemoteShutdownPrivilege 3060 powershell.exe Token: SeUndockPrivilege 3060 powershell.exe Token: SeManageVolumePrivilege 3060 powershell.exe Token: 33 3060 powershell.exe Token: 34 3060 powershell.exe Token: 35 3060 powershell.exe Token: 36 3060 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2844 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3728 wrote to memory of 3060 3728 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 87 PID 3728 wrote to memory of 3060 3728 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 87 PID 3728 wrote to memory of 3060 3728 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 87 PID 3060 wrote to memory of 2844 3060 powershell.exe 104 PID 3060 wrote to memory of 2844 3060 powershell.exe 104 PID 3060 wrote to memory of 2844 3060 powershell.exe 104 PID 3060 wrote to memory of 2844 3060 powershell.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe"C:\Users\Admin\AppData\Local\Temp\4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Lysters=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Helnode\mylohyoideus\opholdstidens\Pericenter.cya';$Kitchens=$Lysters.SubString(54802,3);.$Kitchens($Lysters)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD52d7a9b17a981757aeb3b8945b15bb897
SHA17c27d9e5ce5ec9dfc5f13985769ca91698980e2a
SHA2567c7023149ea38184f67f040b8fac8f56804e7a84886678e7df8409354d3b0b7d
SHA51283370533553f6f55c644fc3b203c1e7e3572c69bc570776f0fbe79c146174fdfd3a037cf54c943222fd07d72fb0ac466b9154753adf4c5314a91ebfdbd8b2efe
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Filesize
330KB
MD571f77172bb96d4d9468f775a6940df07
SHA13b06a98a8abe00ba343021d9bc7353dd7dbcafba
SHA2562c15aac7dbcf007bfb79bc677aa5e24bd4644175a783620ad1b9c311fbfd45ee
SHA512c909183573979d754684de6cb84a06642890e37ca969c9ecd8c40d1157befd39cdc05f3467ecd988db346168a28c14350ec8955a117eee53bd3f4fd923240529
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82