Analysis
- max time kernel
149s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
07/02/2024, 06:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PO-22385.exe
Resource
win7-20231129-en
5 signatures
150 seconds
General
- Target PO-22385.exe
- Size 1.2MB
- Sample240207-hmhfesedd3
- SHA256 f197f3a4f1a28613822c87e81da383affc805eebfc7f375ee32da141e97c333c
- MD5 cb2775eef5670f31b9aa08c8e93f319f
- SHA1 01349bcc977a41b424c4dc9d07f55c91316e27f5
- SHA512 2d948752a523b44c7727a240870a920e49d8563634998fc04de9147e10b6858c09b65672a358c6d0eef56c9cb48019a2c782bed46e99b2195473b56041009681
- SSDEEP 24576:LteaUDsdL+b3Lp9XXxexvNirpkn1zTZldvW9cxb:DssdL+7L3XRrunn/e
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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remcos
Botnet
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DESK
C2
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198.27.121.194:2024
Attributes
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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-EQJXDT
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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
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1728-118-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView behavioral2/memory/1728-121-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView behavioral2/memory/1980-138-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView - NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3652-131-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3652-144-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Nirsoft 9 IoCs
resource yara_rule behavioral2/memory/1728-118-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/4516-122-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1728-121-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/4516-120-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4516-119-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3652-131-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1980-138-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/4284-142-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3652-144-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation PO-22385.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts PO-22385.exe Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts PO-22385.exe - Suspicious use of SetThreadContext 7 IoCs
description pid Process procid_target PID 4460 set thread context of 2852 4460 PO-22385.exe 101 PID 2852 set thread context of 2020 2852 PO-22385.exe 108 PID 2852 set thread context of 1728 2852 PO-22385.exe 107 PID 2852 set thread context of 4516 2852 PO-22385.exe 105 PID 2852 set thread context of 3652 2852 PO-22385.exe 111 PID 2852 set thread context of 1980 2852 PO-22385.exe 110 PID 2852 set thread context of 4284 2852 PO-22385.exe 113 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process 3116 2020 WerFault.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1424 schtasks.exe - Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 832 powershell.exe 4404 powershell.exe 4460 PO-22385.exe 4460 PO-22385.exe 4460 PO-22385.exe 4404 powershell.exe 832 powershell.exe 4516 PO-22385.exe 4516 PO-22385.exe 3652 PO-22385.exe 3652 PO-22385.exe 4284 PO-22385.exe 4284 PO-22385.exe 3652 PO-22385.exe 3652 PO-22385.exe - Suspicious behavior: MapViewOfSection 8 IoCs
pid Process 2852 PO-22385.exe 2852 PO-22385.exe 2852 PO-22385.exe 2852 PO-22385.exe 2852 PO-22385.exe 2852 PO-22385.exe 2852 PO-22385.exe 2852 PO-22385.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4460 PO-22385.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 4516 PO-22385.exe Token: SeDebugPrivilege 4284 PO-22385.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2852 PO-22385.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2852 PO-22385.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 2020 PO-22385.exe - Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 4460 wrote to memory of 832 4460 PO-22385.exe 94 PID 4460 wrote to memory of 832 4460 PO-22385.exe 94 PID 4460 wrote to memory of 832 4460 PO-22385.exe 94 PID 4460 wrote to memory of 4404 4460 PO-22385.exe 96 PID 4460 wrote to memory of 4404 4460 PO-22385.exe 96 PID 4460 wrote to memory of 4404 4460 PO-22385.exe 96 PID 4460 wrote to memory of 1424 4460 PO-22385.exe 98 PID 4460 wrote to memory of 1424 4460 PO-22385.exe 98 PID 4460 wrote to memory of 1424 4460 PO-22385.exe 98 PID 4460 wrote to memory of 2676 4460 PO-22385.exe 100 PID 4460 wrote to memory of 2676 4460 PO-22385.exe 100 PID 4460 wrote to memory of 2676 4460 PO-22385.exe 100 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 4460 wrote to memory of 2852 4460 PO-22385.exe 101 PID 2852 wrote to memory of 1876 2852 PO-22385.exe 109 PID 2852 wrote to memory of 1876 2852 PO-22385.exe 109 PID 2852 wrote to memory of 1876 2852 PO-22385.exe 109 PID 2852 wrote to memory of 2020 2852 PO-22385.exe 108 PID 2852 wrote to memory of 2020 2852 PO-22385.exe 108 PID 2852 wrote to memory of 2020 2852 PO-22385.exe 108 PID 2852 wrote to memory of 2020 2852 PO-22385.exe 108 PID 2852 wrote to memory of 1728 2852 PO-22385.exe 107 PID 2852 wrote to memory of 1728 2852 PO-22385.exe 107 PID 2852 wrote to memory of 1728 2852 PO-22385.exe 107 PID 2852 wrote to memory of 1728 2852 PO-22385.exe 107 PID 2852 wrote to memory of 4516 2852 PO-22385.exe 105 PID 2852 wrote to memory of 4516 2852 PO-22385.exe 105 PID 2852 wrote to memory of 4516 2852 PO-22385.exe 105 PID 2852 wrote to memory of 4516 2852 PO-22385.exe 105 PID 2852 wrote to memory of 3652 2852 PO-22385.exe 111 PID 2852 wrote to memory of 3652 2852 PO-22385.exe 111 PID 2852 wrote to memory of 3652 2852 PO-22385.exe 111 PID 2852 wrote to memory of 3652 2852 PO-22385.exe 111 PID 2852 wrote to memory of 1980 2852 PO-22385.exe 110 PID 2852 wrote to memory of 1980 2852 PO-22385.exe 110 PID 2852 wrote to memory of 1980 2852 PO-22385.exe 110 PID 2852 wrote to memory of 1980 2852 PO-22385.exe 110 PID 2852 wrote to memory of 1272 2852 PO-22385.exe 112 PID 2852 wrote to memory of 1272 2852 PO-22385.exe 112 PID 2852 wrote to memory of 1272 2852 PO-22385.exe 112 PID 2852 wrote to memory of 4284 2852 PO-22385.exe 113 PID 2852 wrote to memory of 4284 2852 PO-22385.exe 113 PID 2852 wrote to memory of 4284 2852 PO-22385.exe 113 PID 2852 wrote to memory of 4284 2852 PO-22385.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WPasZKJQnCPqBZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4404
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WPasZKJQnCPqBZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE659.tmp"2⤵
- Creates scheduled task(s)
PID:1424
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"2⤵PID:2676
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"C:\Users\Admin\AppData\Local\Temp\PO-22385.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\vzwlrslicun"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4516
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\lwibqaa"3⤵
- Accesses Microsoft Outlook accounts
PID:1728
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\bcdi"3⤵
- Suspicious use of UnmapMainImage
PID:2020
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\bcdi"3⤵PID:1876
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\sipvojqvmzjrypvwsixkfjwhgbrraucsb"3⤵
- Accesses Microsoft Outlook accounts
PID:1980
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\qojdorftqrrmwjzkaxkruwcqfuzihj"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3652
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\dccopc"3⤵PID:1272
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C:\Users\Admin\AppData\Local\Temp\PO-22385.exeC:\Users\Admin\AppData\Local\Temp\PO-22385.exe /stext "C:\Users\Admin\AppData\Local\Temp\dccopc"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 121⤵
- Program crash
PID:3116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2020 -ip 20201⤵PID:1596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lvdilul2.bmn.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\qojdorftqrrmwjzkaxkruwcqfuzihj
- Size 4KB
- SHA256 b92f48c215f2d309a748e67787283bb2c61bbce1faf7dcb3b917f57be92b28e2
- MD5 2cbe8873d9d19e766fd9a1f758da8e74
- SHA1 544271b8bf2aa7108e9f0f1cf11de5eb2a389f17
- SHA512 4f8842cfc7b97b82e5f105aeb1b838f9f50072d3f9cae7412e09c0f8fb592a40fc6064cd9ef8e67133ec5694590d106d3e3141e2fd0a21c3d32d6340068ca632
- SSDEEP 48:wvvv05TXgxfvvc5TXgxfdvv05TXgxBvv05TXgxakvv05TXg7:mvkXgxv8Xgp1vkXgPvkXgbvkXg7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\tmpE659.tmp
- Size 1KB
- SHA256 241ff5ea8859637c0ba2cb944cb2316d9a01f2ee62b75d3ae3b4c69127855a22
- MD5 b90852e25ee96e730ed35a54b854baa5
- SHA1 cc7c6dcb51166461d2ee20560edf78d3ba222180
- SHA512 d82b003b2d85a64eb25d8e75573a9ce7183aa2bf801c429350e438e52c5ec1c8c79fadb2672521ed3e280c9948704c8a7e9c4afb88e1c62d11ec8699d50a5bf0
- MD5 SHA1 SHA512