Analysis
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max time kernel
147s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31-08-2024 01:55
Static task
static1
Behavioral task
behavioral1
Sample
c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe
Resource
win10v2004-20240802-en
General
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Target
c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe
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Size
26KB
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MD5
a5a3902eda13fdecf1320b900d2e5395
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SHA1
3ec2b7adde1d0b5ef806f079bc0d669e32cb65ca
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SHA256
c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2
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SHA512
e40af0c9a62ba2b47801fb164a608da0829bc1c6d6b64a985af64721d51f9400527e5aef3345409ffb31152582444d524789931b5a9fcf9edacf69424fed765b
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SSDEEP
768:cACzsa2x1nyUuHMFSlWXokQPhbOcjC49N0b:r0b2x1nyUuHMgIXokQPgcjC49NG
Malware Config
Extracted
remcos
marshal11
185.150.191.117:4609
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-O92MFO
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 468 created 3428 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 54 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 5 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/540-1116-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2216-1119-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2216-1115-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/540-1120-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3356-1131-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2216-1119-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/2216-1115-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3356-1131-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
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 accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windowsm = "C:\\Users\\Admin\\AppData\\Roaming\\windowsm.exe" c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 468 set thread context of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 4312 set thread context of 3356 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 101 PID 4312 set thread context of 2216 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 103 PID 4312 set thread context of 540 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 104 -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 540 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 540 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 3356 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 3356 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 3356 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 3356 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe Token: SeDebugPrivilege 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe Token: SeDebugPrivilege 540 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 468 wrote to memory of 4312 468 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 99 PID 4312 wrote to memory of 3356 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 101 PID 4312 wrote to memory of 3356 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 101 PID 4312 wrote to memory of 3356 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 101 PID 4312 wrote to memory of 3356 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 101 PID 4312 wrote to memory of 536 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 102 PID 4312 wrote to memory of 536 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 102 PID 4312 wrote to memory of 536 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 102 PID 4312 wrote to memory of 2216 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 103 PID 4312 wrote to memory of 2216 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 103 PID 4312 wrote to memory of 2216 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 103 PID 4312 wrote to memory of 2216 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 103 PID 4312 wrote to memory of 540 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 104 PID 4312 wrote to memory of 540 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 104 PID 4312 wrote to memory of 540 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 104 PID 4312 wrote to memory of 540 4312 c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe 104
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3428
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C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe"C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:468
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C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe"C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exeC:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe /stext "C:\Users\Admin\AppData\Local\Temp\uuesaszkczvjbvobzedqzxpaisltsqlvmm"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3356
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C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exeC:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe /stext "C:\Users\Admin\AppData\Local\Temp\wpjlbk"3⤵PID:536
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C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exeC:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe /stext "C:\Users\Admin\AppData\Local\Temp\wpjlbk"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2216
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C:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exeC:\Users\Admin\AppData\Local\Temp\c1870f3378e10b41656fdb1ad97149e8ac40264f5887cb917d266eb036c30bc2.exe /stext "C:\Users\Admin\AppData\Local\Temp\hrxvbdvgm"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:540
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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 --field-trial-handle=4056,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:81⤵PID:3336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
MD5cda83eba5a004554ccdc061fd3df499c
SHA158ff2ecb9d47be10335e104896c87c62dc328523
SHA256e384f4d46587646c6e0f9d2ee90b7bc57b49cea936b37cf8ab81ef3c4ce468ac
SHA512f55ce20f0cf8b603fad765b889607f967c22d377fa4ac417ba1309d0aced9231e197bb4107d1c92bb99f51c04cc68ce26148727a8b694886710100c01f3de597