Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 14:09
Static task
static1
Behavioral task
behavioral1
Sample
4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe
Resource
win10v2004-20240508-en
General
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Target
4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe
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Size
673KB
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MD5
1d2c968c22903392601d409cfe0af1af
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SHA1
b4e871ca1b111a12f09db58484e5a90255e6f104
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SHA256
4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8
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SHA512
0926d40b5d53ca5469df6bf03d2b0c3757b746fd3648c9a7838c675ddf58c08620c70a790769f1191b044a76a9d89927f88f0080a2690893345d1e934cb112ae
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SSDEEP
12288:Etnsok3PEyNZkVrFhRxRHv8d6QUtSVAFLOuijXMJjTI3Efh:ek/bN2VrFbDHv8dWEV6LToe9fh
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
wab.exepid process 3796 wab.exe 3796 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
powershell.exewab.exepid process 4388 powershell.exe 3796 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 4388 set thread context of 3796 4388 powershell.exe wab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
powershell.exepid process 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
powershell.exepid process 4388 powershell.exe 4388 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exewab.exedescription pid process Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 3796 wab.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exepowershell.exedescription pid process target process PID 1296 wrote to memory of 4388 1296 4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe powershell.exe PID 1296 wrote to memory of 4388 1296 4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe powershell.exe PID 1296 wrote to memory of 4388 1296 4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe powershell.exe PID 4388 wrote to memory of 2560 4388 powershell.exe cmd.exe PID 4388 wrote to memory of 2560 4388 powershell.exe cmd.exe PID 4388 wrote to memory of 2560 4388 powershell.exe cmd.exe PID 4388 wrote to memory of 532 4388 powershell.exe wab.exe PID 4388 wrote to memory of 532 4388 powershell.exe wab.exe PID 4388 wrote to memory of 532 4388 powershell.exe wab.exe PID 4388 wrote to memory of 3796 4388 powershell.exe wab.exe PID 4388 wrote to memory of 3796 4388 powershell.exe wab.exe PID 4388 wrote to memory of 3796 4388 powershell.exe wab.exe PID 4388 wrote to memory of 3796 4388 powershell.exe wab.exe PID 4388 wrote to memory of 3796 4388 powershell.exe wab.exe -
outlook_office_path 1 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe -
outlook_win_path 1 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe"C:\Users\Admin\AppData\Local\Temp\4f9289ac6c38a0b6d80173c6b645e6d70d415a8291017f89c852b2468175bde8.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Mogdad=Get-Content 'C:\Users\Admin\AppData\Local\Temp\ddmandssikringen\sjuskefejlene\Sesamen\Compursion.Arn';$Murmuringly=$Mogdad.SubString(5632,3);.$Murmuringly($Mogdad)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" "/c set /A 1^^0"3⤵
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1v1shkib.m5r.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\ddmandssikringen\sjuskefejlene\Sesamen\Brillanterne245.MerFilesize
316KB
MD5827714110ec478590c398b3620086dd3
SHA1feb319fc1396ec3b4e3bf0d5d081b02ac4942eb6
SHA256c910ed1ec3863862ba459f33a310c597a97373df8ba67b28b5b38f61b24b278f
SHA5126026b2de695175f69da70ac3dd1400e5995d9487b9aab1847d2b4b31ca76c459f041d3c345c12a66f4aa2411e2de147d6f7d3e40ae67e5a1c69b04fddf762fd1
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C:\Users\Admin\AppData\Local\Temp\ddmandssikringen\sjuskefejlene\Sesamen\Compursion.ArnFilesize
63KB
MD53f95b2ab8f58f33a249616d482bca012
SHA1239a37cd51c0e8a573045cc947b555e656d35322
SHA2567a3b4b7d0f870dc2a81fa5bf30c3547d26ffb63051c7a4191b7f7cc6d9226472
SHA5123cd593fba842608842e9167767044d3da4f6a9bb541a79baea31e71e67e815bfc60c89f2b9d1188f2cd360b262ff1f95f7ff5cc2f9cd40b5c10e58ad374f137e
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\0f5007522459c86e95ffcc62f32308f1_310807ab-751f-4d81-ae09-b202eaf21e19Filesize
46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\0f5007522459c86e95ffcc62f32308f1_310807ab-751f-4d81-ae09-b202eaf21e19Filesize
46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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memory/3796-57-0x0000000001200000-0x00000000064D5000-memory.dmpFilesize
82.8MB
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memory/3796-43-0x0000000077141000-0x0000000077261000-memory.dmpFilesize
1.1MB
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memory/3796-44-0x00000000771C8000-0x00000000771C9000-memory.dmpFilesize
4KB
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memory/4388-30-0x0000000006450000-0x0000000006472000-memory.dmpFilesize
136KB
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memory/4388-35-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-26-0x0000000005EC0000-0x0000000005EDE000-memory.dmpFilesize
120KB
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memory/4388-27-0x0000000005F00000-0x0000000005F4C000-memory.dmpFilesize
304KB
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memory/4388-28-0x0000000006EA0000-0x0000000006F36000-memory.dmpFilesize
600KB
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memory/4388-29-0x00000000063D0000-0x00000000063EA000-memory.dmpFilesize
104KB
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memory/4388-8-0x000000007362E000-0x000000007362F000-memory.dmpFilesize
4KB
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memory/4388-31-0x00000000074F0000-0x0000000007A94000-memory.dmpFilesize
5.6MB
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memory/4388-14-0x0000000005090000-0x00000000050F6000-memory.dmpFilesize
408KB
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memory/4388-33-0x0000000008120000-0x000000000879A000-memory.dmpFilesize
6.5MB
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memory/4388-34-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-16-0x0000000005890000-0x0000000005BE4000-memory.dmpFilesize
3.3MB
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memory/4388-15-0x0000000005100000-0x0000000005166000-memory.dmpFilesize
408KB
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memory/4388-37-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-38-0x00000000087A0000-0x000000000DA75000-memory.dmpFilesize
82.8MB
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memory/4388-39-0x000000007362E000-0x000000007362F000-memory.dmpFilesize
4KB
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memory/4388-40-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-42-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-13-0x0000000004FF0000-0x0000000005012000-memory.dmpFilesize
136KB
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memory/4388-12-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-11-0x00000000051F0000-0x0000000005818000-memory.dmpFilesize
6.2MB
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memory/4388-10-0x0000000073620000-0x0000000073DD0000-memory.dmpFilesize
7.7MB
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memory/4388-9-0x00000000028D0000-0x0000000002906000-memory.dmpFilesize
216KB