Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-07-2024 04:45
Static task
static1
Behavioral task
behavioral1
Sample
tmpfafq4qma.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
tmpfafq4qma.exe
Resource
win10v2004-20240226-en
General
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Target
tmpfafq4qma.exe
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Size
914KB
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MD5
685957fc8d1cb9176598abbd85f01b88
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SHA1
3d32596650fce3cf7687bbbc72caffc821d25887
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SHA256
68e7f4d2bf863ba81f7df626105d057cce0280693d8d1c6229d5a5b7a5b13ac3
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SHA512
f111150ea54da60ba4eed011b2acb3918a53075c45cb28f084b045bf94662e6af5f609b2f549cc38eb65d823699a5f70bca77fa5dbd864fc895c298b62f75e32
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SSDEEP
12288:+BfOreqYlj4XT9/VPsvkf3kLXUuq9HyBbqpqfyl0fGXJ9BqNJowksVg:QOreqYJWfqEukLEO0fG5vq7H+
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.
pid Process 3544 powershell.exe -
Loads dropped DLL 1 IoCs
pid Process 644 Secluded.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Secluded.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Secluded.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Secluded.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 54 drive.google.com 55 drive.google.com -
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 644 Secluded.exe 644 Secluded.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3544 powershell.exe 644 Secluded.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3544 set thread context of 644 3544 powershell.exe 103 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe 3544 powershell.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3544 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 644 Secluded.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4296 wrote to memory of 3544 4296 tmpfafq4qma.exe 91 PID 4296 wrote to memory of 3544 4296 tmpfafq4qma.exe 91 PID 4296 wrote to memory of 3544 4296 tmpfafq4qma.exe 91 PID 3544 wrote to memory of 644 3544 powershell.exe 103 PID 3544 wrote to memory of 644 3544 powershell.exe 103 PID 3544 wrote to memory of 644 3544 powershell.exe 103 PID 3544 wrote to memory of 644 3544 powershell.exe 103 PID 3544 wrote to memory of 644 3544 powershell.exe 103 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Secluded.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Secluded.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmpfafq4qma.exe"C:\Users\Admin\AppData\Local\Temp\tmpfafq4qma.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Solert=Get-Content 'C:\Users\Admin\AppData\Local\twinsomeness\Carl.Ste';$Tudehornene=$Solert.SubString(59503,3);.$Tudehornene($Solert)"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
PID:3544 -
C:\Users\Admin\AppData\Local\Temp\Secluded.exe"C:\Users\Admin\AppData\Local\Temp\Secluded.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:644
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:4908
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
914KB
MD5685957fc8d1cb9176598abbd85f01b88
SHA13d32596650fce3cf7687bbbc72caffc821d25887
SHA25668e7f4d2bf863ba81f7df626105d057cce0280693d8d1c6229d5a5b7a5b13ac3
SHA512f111150ea54da60ba4eed011b2acb3918a53075c45cb28f084b045bf94662e6af5f609b2f549cc38eb65d823699a5f70bca77fa5dbd864fc895c298b62f75e32
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
68KB
MD514007bbf3c87abdfd3a69719009624dd
SHA10766cab9e60ddaa8bcd341e23ba6d7be5507533c
SHA25622149260143dfca383be6daedad36ebf48a522d1bc86405ef46ebfcc524bb45f
SHA51280b33f204d558513d8097068f3f211700dbd91927467d388e849d455f1b4550c5b4f97f4bbd216d97a637881cdfb433dbeb56b3408c904984a619563ca3e2396
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Filesize
348KB
MD54fd57019fef1fb4eb7da55f6da50e886
SHA1557562154ee8b7bc3797ddc9d3fd0deaa6fe18e3
SHA2569c84add28c830c0d358da3e51e57253f9811aed0fa67ff8e320b7d1c6bdd8440
SHA512107455b551e6caac1524934ab21cb26f4081d0c2de0e3b67cae447cc811489f8c5dc270c1b8b3f195c4160a08ad510b74b433a980257125f67bb361ac38685df
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\0f5007522459c86e95ffcc62f32308f1_2397ee06-28fe-4eaa-8777-f7014368c353
Filesize46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\0f5007522459c86e95ffcc62f32308f1_2397ee06-28fe-4eaa-8777-f7014368c353
Filesize46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b