Analysis
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max time kernel
93s -
max time network
95s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-06-2024 15:02
Behavioral task
behavioral1
Sample
584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe
Resource
win11-20240426-en
General
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Target
584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe
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Size
7KB
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MD5
e0354350b177887076f4c89567e0af8d
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SHA1
999fc3514c83f5b3bfaf899b656a194f7f60ed05
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SHA256
584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032
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SHA512
5972d529569ad3aecd8a02de1b2150a3901e2fe09aa5223956d4fd9f77ec9acd308d938c5748b8e38b6090484d0ec6f288f2295f67a6fcc12b0dc770620600fd
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SSDEEP
96:nGJKj1y2oPbML8RcyuHazDvDId4IBmc+TMsa+aIVzNt:G4jU2o48RVHA4U0Zv
Malware Config
Extracted
purecrypter
https://www1.militarydefensenow.com/Stay/Vdopcuygit.vdf
Signatures
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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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 35 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key opened \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uwhyogr = "C:\\Users\\Admin\\AppData\\Roaming\\Uwhyogr.exe" 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 248 set thread context of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1536 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 1536 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 1536 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 1536 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Token: SeDebugPrivilege 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe Token: SeDebugPrivilege 1536 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 PID 248 wrote to memory of 1536 248 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe 78 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe"C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:248 -
C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe"C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe.log
Filesize1KB
MD593744014fa06ad3ba4f2433690038bcd
SHA1f1147da71dae163b0fe9e15e3e545efd2ec5321e
SHA256fb7f07a6e881955e29df052aaf57b3b66732f71c8d7cf7ff9ce2d64d442bd519
SHA5124f750617ff36f2806c50ebcfcfb19ee648fd11ebd5ed86ca44f594749492962beb74df22724c44665e56e11610cb0adfedb924e5bf43f6eec6001550a532fb15
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Filesize
152KB
MD573bd1e15afb04648c24593e8ba13e983
SHA14dd85ca46fcdf9d93f6b324f8bb0b5bb512a1b91
SHA256aab0b201f392fef9fdff09e56a9d0ac33d0f68be95da270e6dab89bb1f971d8b
SHA5126eb58fb41691894045569085bd64a83acd62277575ab002cf73d729bda4b6d43c36643a5fa336342e87a493326337ed43b8e5eaeae32f53210714699cb8dfac7
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Filesize
116KB
MD54e2922249bf476fb3067795f2fa5e794
SHA1d2db6b2759d9e650ae031eb62247d457ccaa57d2
SHA256c2c17166e7468877d1e80822f8a5f35a7700ac0b68f3b369a1f4154ae4f811e1
SHA5128e5e12daf11f9f6e73fb30f563c8f2a64bbc7bb9deffe4969e23081ec1c4073cdf6c74e8dbcc65a271142083ad8312ec7d59505c90e718a5228d369f4240e1da