Analysis
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max time kernel
54s -
max time network
176s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
19/09/2022, 22:15
Static task
static1
Behavioral task
behavioral1
Sample
2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe
Resource
win10-20220812-en
General
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Target
2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe
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Size
6.2MB
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MD5
cf0c5cf9569f64fd46d3303ab892e467
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SHA1
d5bf04b97ed664f1b72261affdf230bfcd3cbe9c
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SHA256
2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef
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SHA512
20878d508aa3f0be002bf5d086c13bd05c4407dfa643f15058e719ceeac9229af9369cc86e8c596ea6a338b48a672ef909bde20afc67be1d45afe098dc45c8ca
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SSDEEP
49152:xu9DG/n7dDOkWRaxQSPs+bZMmWIm5CyIsapfNdcNH1t8jTMJSdWM07v+BMWf1xZc:OG/7hNzxhL+mWW3je+WJjWfLZnl3d5
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 5 4140 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 4140 rundll32.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 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook rundll32.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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Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 3408 InstallUtil.exe 3408 InstallUtil.exe 3408 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2344 set thread context of 3408 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 66 -
Program crash 1 IoCs
pid pid_target Process procid_target 3048 4140 WerFault.exe 67 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 4140 rundll32.exe 4140 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 4140 rundll32.exe Token: SeCreatePagefilePrivilege 4140 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2344 wrote to memory of 3408 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 66 PID 2344 wrote to memory of 3408 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 66 PID 2344 wrote to memory of 3408 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 66 PID 2344 wrote to memory of 3408 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 66 PID 2344 wrote to memory of 3408 2344 2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe 66 PID 3408 wrote to memory of 4140 3408 InstallUtil.exe 67 PID 3408 wrote to memory of 4140 3408 InstallUtil.exe 67 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe"C:\Users\Admin\AppData\Local\Temp\2a4f994547c0cff4fa435dac811ce92c2465305e06487fce64e1f396fbef48ef.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\system32\rundll32.exe"C:\Users\Admin\AppData\Roaming\nsis_unse5741cc.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBXoAV|8AawBSADEAMP8AZgBNAFoASP8ASQBGAHAAOP4tAllIg+wo6AT|AgAASIPEKMP|zMzMTIlEJBj|SIlUJBBIiUz7JAhZAUiLRCQwb0iJBCR9AThIawC|CEjHRCQQLQHrfQ59ARBIg8ABiwHdEH0BQEg5kgBzJf6bA4sMJEgDyEhfi8FIi0ynAVR3AP8D0UiLyooJiPcI68FiBWVIiwT7JWDz8DPJSItQ|xhIO9F0NkiD|8IgSIsCSDvC|3QqZoN4SBh1|xpMi0BQZkGD7zhrdAcNEUt1CP4NEHgQLnQFSIu|AOvVSItI+QDB|mYAQFNVVldBVL9BVUFWQVdZAWb|gTlNWk2L+Ez|i|JIi9kPhfz+8|BMY0k8QYE8|wlQRQAAD4XqvvPwQYuECYjz8IX|wEiNPAEPhNbeZhGDvAmMLQEPhP3H8|BEi2cgRIv|XxyLdyREi0||GEwD4UwD2Uj|A|EzyUWFyQ|7hKTz8E2LxEGL|xBFM9JIA9OK|wKEwHQdQcHK7w0PvsD2AAFEA|3QuxF17EGB+qr||A18dA6DwQH|SYPABEE7yXP|aevGi8EPtwz|TkWLLItMA+vvdFgz7aYQdFFB+4sUvQDTM8mKAn9Mi8LrD8HJxBF7A8jhEAFBigDREP|tM8Az9kE7DPm23BCiAIPGAYP4|why7usKSIvL|0H|1UmJBPeD|cXgEMQEO28Ycv2vYgFBX0FeQV2|QVxfXl1bLxdI74HsYAFgAIvp6P9m|v||SIXAD1uEmXEgTI2rAYsnEN|IM||om3kgjV||BEyNRUIz0ovfy|9UJGh8IEyLr+APhGxxIEWkEDP3wIvTjSBIiXwk9SCiIHB8IEiL8A|zhExxIKIgUEiNVv8IRI1HQEiNjP0kgRFIi9jofP2ueiCNVkjaIBDeIcz28|DoZ+sgRIsGjdNXCD0goiBYxiGJhGskgIMS3fPwiw7WII9YiYwkbREDMI0g6P0x6yBMi106i6zuKTJIi5wWMkyJZP8kOESNZ2xJO3vsSIYgMEyJXIABN4Qk3IMRho7jId8g|fCsE0iL0+jn|HYBMIqcczJIjYRzMv9BgPMhSYvMRPswGKACg+kBdfP7gbxzMiFSZXh130qLhCT0HjGUJP348|ADwkg76HL|NUE71HYwRI3|SUBJK9RBuAD0lACiIEDGIvh0F0S8tDC+MUiNU2yNIE3vK8TobIAwSIvO|qIgeEiF|3QUTPyMMBcxSI1MJEC6fQPz8P|XSIHEcCEGXSQAAA==3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4140 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4140 -s 9324⤵
- Program crash
PID:3048
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
58KB
MD5664e46926466a2d4c9b87540f4853c39
SHA1b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA25692a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
SHA5121490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
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Filesize
58KB
MD5664e46926466a2d4c9b87540f4853c39
SHA1b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA25692a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
SHA5121490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03