Analysis
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max time kernel
149s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
05/12/2023, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
3.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3.exe
Resource
win10v2004-20231127-en
General
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Target
3.exe
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Size
973KB
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MD5
e2473c2832fb852d2aa8785e90b285a0
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SHA1
663f5fd69dfd51e8608ea5e2231319923db26b1d
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SHA256
b67319d5978b2236bb8a735b1838b18b6432cb835fce1b9b08ff2d68e012bc50
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SHA512
4368f1289746e425eec96762e05894f524ef43424db92d66730c2eb8bfadffecb9126588da97a21f28273babba53bb94396a72e0a0abcf391c512adf8ae1efba
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SSDEEP
24576:i9PtD/fmh3G6dGSCjFqHvwy8zfGIvtooo:UBt2GtFqPwGjr
Malware Config
Extracted
remcos
RemoteHost
107.175.229.139:8087
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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-IZFV1M
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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 SetThreadContext 1 IoCs
description pid Process procid_target PID 1708 set thread context of 2660 1708 3.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2720 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2564 powershell.exe 2620 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2564 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2660 3.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1708 wrote to memory of 2564 1708 3.exe 28 PID 1708 wrote to memory of 2564 1708 3.exe 28 PID 1708 wrote to memory of 2564 1708 3.exe 28 PID 1708 wrote to memory of 2564 1708 3.exe 28 PID 1708 wrote to memory of 2620 1708 3.exe 30 PID 1708 wrote to memory of 2620 1708 3.exe 30 PID 1708 wrote to memory of 2620 1708 3.exe 30 PID 1708 wrote to memory of 2620 1708 3.exe 30 PID 1708 wrote to memory of 2720 1708 3.exe 32 PID 1708 wrote to memory of 2720 1708 3.exe 32 PID 1708 wrote to memory of 2720 1708 3.exe 32 PID 1708 wrote to memory of 2720 1708 3.exe 32 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34 PID 1708 wrote to memory of 2660 1708 3.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\3.exe"C:\Users\Admin\AppData\Local\Temp\3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708 -
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\3.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2564
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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\LCofJSC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LCofJSC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F39.tmp"2⤵
- Creates scheduled task(s)
PID:2720
-
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C:\Users\Admin\AppData\Local\Temp\3.exe"C:\Users\Admin\AppData\Local\Temp\3.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:2660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5711533f369c55d232c56cfc39ab96006
SHA1ce0b4deaaccc265bdf7b6cf4c89c79ab0618230a
SHA256b9c9cebe3551ea10d4b2107da42d55f440e9171c7c0ebcc454a23b36472be265
SHA512d07a081aa5a87576bbeacfc2efca6f6c4619156bae41630274296f495ea81e494a1b661064a36d284f7abebaf5455eaeff4b3528f3e22a4586e8c246cb4dc226
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Filesize
1KB
MD55b48b0b0f01ecb8dcd92d8e68465b196
SHA1d857b8a82e28eb35970f359afaf3cccb324c3980
SHA2563617210e8d0a86467eb43827e4373412172122222379cbf5f757c7da7f98968f
SHA512f8c866b91a0c593e3296e524654825cfccaed7fa21fef7db30e64c8bde27a1c4b0e1eaa7bbc690cc1cdd62e41899124e4bca9173ebb818045ca5221587fc933c
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N9Q6K0MVULHOIWR6CF6V.temp
Filesize7KB
MD5a68c436f848bd71d9c0cd7523277bd9d
SHA1f74105da7df46c8127627e826574985d63d83968
SHA25610b3c4be2f57d12d4d0dd24c022fde6d48230e3e7e195b415850084ce49084ad
SHA512714b91daaca456fd68931f6c491e4a30c6397b642b6d8df3434f78eace6014bf49ce68edc96f79e23c5017aedf55cc9023f39a2178598da82440d0bc9a6e2b06
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5a68c436f848bd71d9c0cd7523277bd9d
SHA1f74105da7df46c8127627e826574985d63d83968
SHA25610b3c4be2f57d12d4d0dd24c022fde6d48230e3e7e195b415850084ce49084ad
SHA512714b91daaca456fd68931f6c491e4a30c6397b642b6d8df3434f78eace6014bf49ce68edc96f79e23c5017aedf55cc9023f39a2178598da82440d0bc9a6e2b06