Analysis
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max time kernel
135s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
26/04/2023, 05:48
Static task
static1
General
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Target
98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe
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Size
693KB
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MD5
40efdc16bf79b292a2d806f5769f253f
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SHA1
180a79c300fb4ce01d69aba1e6b4bd37f9fac8c7
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SHA256
98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c
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SHA512
96eb9013e935b1c9e15db801176228454f4ccfa649e9f07e3824fd985f3d6cff9479a3349dcdcef76024c4965da471fa45561b7920ec718525a47b84b2f5349b
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SSDEEP
12288:jy90PXf2vn2OQ6xywDgHAk33oIrYxWCMWi6FY18bpKwA+EytIBUH:jyCef2OQBcgH6IExL46FY18bpHS2H
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 79690218.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 79690218.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 79690218.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 79690218.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 79690218.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 79690218.exe -
Executes dropped EXE 4 IoCs
pid Process 2132 un927163.exe 2160 79690218.exe 3648 rk653137.exe 3620 si817841.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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 79690218.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 79690218.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un927163.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" un927163.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 2 IoCs
pid pid_target Process procid_target 784 2160 WerFault.exe 84 4960 3648 WerFault.exe 90 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2160 79690218.exe 2160 79690218.exe 3648 rk653137.exe 3648 rk653137.exe 3620 si817841.exe 3620 si817841.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2160 79690218.exe Token: SeDebugPrivilege 3648 rk653137.exe Token: SeDebugPrivilege 3620 si817841.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2516 wrote to memory of 2132 2516 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe 83 PID 2516 wrote to memory of 2132 2516 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe 83 PID 2516 wrote to memory of 2132 2516 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe 83 PID 2132 wrote to memory of 2160 2132 un927163.exe 84 PID 2132 wrote to memory of 2160 2132 un927163.exe 84 PID 2132 wrote to memory of 2160 2132 un927163.exe 84 PID 2132 wrote to memory of 3648 2132 un927163.exe 90 PID 2132 wrote to memory of 3648 2132 un927163.exe 90 PID 2132 wrote to memory of 3648 2132 un927163.exe 90 PID 2516 wrote to memory of 3620 2516 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe 93 PID 2516 wrote to memory of 3620 2516 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe 93 PID 2516 wrote to memory of 3620 2516 98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe"C:\Users\Admin\AppData\Local\Temp\98bf90fc4b85d18c2a0bd45e2981751337cb179df049d05a6b20f898cdfd0e9c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un927163.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un927163.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\79690218.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\79690218.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2160 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 10844⤵
- Program crash
PID:784
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk653137.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk653137.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 13244⤵
- Program crash
PID:4960
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si817841.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si817841.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2160 -ip 21601⤵PID:1628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3648 -ip 36481⤵PID:4476
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD5bddaadcc91f12566dce088dfba102c2a
SHA16a141a09619ea3f5bbe2d946df9a8c427beb89f2
SHA256536a77d74988fc47e1d6b53be4701d289ecf4e3598b02adcd936b4f29017a4f4
SHA512f4b12e80f23ddbfd3c9fa79a009cb04e372f1ef6b48ea947b8c0fb14dfd3240c497be28023c78005b8dfd36a4080d98a9750606edf0a1fdfe57f53ef494e5c91
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Filesize
136KB
MD5bddaadcc91f12566dce088dfba102c2a
SHA16a141a09619ea3f5bbe2d946df9a8c427beb89f2
SHA256536a77d74988fc47e1d6b53be4701d289ecf4e3598b02adcd936b4f29017a4f4
SHA512f4b12e80f23ddbfd3c9fa79a009cb04e372f1ef6b48ea947b8c0fb14dfd3240c497be28023c78005b8dfd36a4080d98a9750606edf0a1fdfe57f53ef494e5c91
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Filesize
540KB
MD5af42399ce3243ee9fb725e592dbe0a41
SHA1e45f6462bb0a23507b35186e39407dc3a0cf8934
SHA256f549eb213891cb932d6e771be42503e82964d3756bef4c00ad74bdab2f1dfd94
SHA512f4ed00cad29ae3d267755e2f3ab31142fddd1d36ef5a033332201d6b899af730f21d64447abfc7e3d72486fadb1871764e97f6c06569cff7a2b0e285a20e65ad
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Filesize
540KB
MD5af42399ce3243ee9fb725e592dbe0a41
SHA1e45f6462bb0a23507b35186e39407dc3a0cf8934
SHA256f549eb213891cb932d6e771be42503e82964d3756bef4c00ad74bdab2f1dfd94
SHA512f4ed00cad29ae3d267755e2f3ab31142fddd1d36ef5a033332201d6b899af730f21d64447abfc7e3d72486fadb1871764e97f6c06569cff7a2b0e285a20e65ad
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Filesize
258KB
MD5f295612a62b3aa08cf6b55b0959b249a
SHA14172d23f9c0c74f67b1211a14cf884293701c6da
SHA25660644021af792a6bbc064cc39e540ec099d9aa41628bc6eb4a127ee12d6945df
SHA512d3ab5e6fa697210bbee70686b2db679e2650639753e77291ca40ec55d5b0332c7289fdf29d56ef9cff9e18c30c61aa92a1ce295869b39c382dc781bcf7a7b449
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Filesize
258KB
MD5f295612a62b3aa08cf6b55b0959b249a
SHA14172d23f9c0c74f67b1211a14cf884293701c6da
SHA25660644021af792a6bbc064cc39e540ec099d9aa41628bc6eb4a127ee12d6945df
SHA512d3ab5e6fa697210bbee70686b2db679e2650639753e77291ca40ec55d5b0332c7289fdf29d56ef9cff9e18c30c61aa92a1ce295869b39c382dc781bcf7a7b449
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Filesize
340KB
MD547f12d91add3f678ede714ff183823b5
SHA16724c791b0a55a0c5a021b2a38ed1564e71bccd1
SHA25603ced03514c1a0b60ba25e868304218146eaabd17a7aaeb935ffb016d05868ba
SHA512ee6995844fa7c91b86f832765b2bdee6d36a8362fa0514c09f269c1d0f80268d96afac1d056cf2cbf56003576acdefef0d6287e6478d9fc763da43e06fb32c39
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Filesize
340KB
MD547f12d91add3f678ede714ff183823b5
SHA16724c791b0a55a0c5a021b2a38ed1564e71bccd1
SHA25603ced03514c1a0b60ba25e868304218146eaabd17a7aaeb935ffb016d05868ba
SHA512ee6995844fa7c91b86f832765b2bdee6d36a8362fa0514c09f269c1d0f80268d96afac1d056cf2cbf56003576acdefef0d6287e6478d9fc763da43e06fb32c39