Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06-04-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe
Resource
win10v2004-20240226-en
General
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Target
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe
-
Size
892KB
-
MD5
636a54861ddd167065f294cc76fca7ba
-
SHA1
7e3eba28bc4b89801c91de5450aa28da5c6ff941
-
SHA256
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c
-
SHA512
cde7be19fc7fa841d22521a6c5ad01129ff604b2f91c1c16e0da7d91434cd962af25a39c8ab43c14915536b47d652eb2e55cf0fab5178a9553ab0f8f74833fc4
-
SSDEEP
24576:GgkHhAVqHxUrlWy05hMud6hHERSIhO0RDP+dB8:I2V+Ur6MIMHERSIQ0RDr
Malware Config
Extracted
remcos
RemoteHost
paygateme.net:2286
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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
-
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
-
keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
-
mouse_option
false
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mutex
Rmc-WTDTSU
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screenshot_crypt
true
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screenshot_flag
true
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
1
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take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 22 IoCs
Processes:
resource yara_rule behavioral2/memory/3756-19-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-21-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-23-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-25-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-26-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-28-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-37-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-30-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-44-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-78-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-79-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-80-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-85-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-86-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-93-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-94-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-99-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-100-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-105-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-107-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-113-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3756-114-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Detects executables packed with SmartAssembly 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4700-6-0x0000000005870000-0x0000000005880000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/4700-7-0x0000000005890000-0x000000000589C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exedescription pid process target process PID 4700 set thread context of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exepowershell.exepid process 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 4676 powershell.exe 4676 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exepowershell.exedescription pid process Token: SeDebugPrivilege 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe Token: SeDebugPrivilege 4676 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exepid process 3756 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exedescription pid process target process PID 4700 wrote to memory of 4676 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe powershell.exe PID 4700 wrote to memory of 4676 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe powershell.exe PID 4700 wrote to memory of 4676 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe powershell.exe PID 4700 wrote to memory of 3640 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe schtasks.exe PID 4700 wrote to memory of 3640 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe schtasks.exe PID 4700 wrote to memory of 3640 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe schtasks.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe PID 4700 wrote to memory of 3756 4700 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe"C:\Users\Admin\AppData\Local\Temp\8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\tzRVJJzEigd.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tzRVJJzEigd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp971F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe"C:\Users\Admin\AppData\Local\Temp\8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe"2⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\remcos\logs.datFilesize
144B
MD5c92144259a0d57eec6ab8a476d1f27bc
SHA1324197dfea58a0f2732cff2609a4d15ef0fb8077
SHA256bb79cbbbb8edc2d759f5443e09c78133821e947a29502f151537c76909d53b0a
SHA512fe32624f8bd3a49111a289bb6e8bc694f34aafa852163c85ef4125ebb029dc5c6b3ba3a7b30ffb7e37a66f2cbe4733265ceb6d0c8caff5d60da746b40aeb0c54
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ci1bxwtr.3ga.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp971F.tmpFilesize
1KB
MD59122d280da06b1d5ef0ba077e51b685a
SHA1a97627ed8a7b43a0437f16c5c6d6027a2b66b1ab
SHA256b69daa816a3f2e1b7f121f8e0b9adeaffcde539a60b938d927110b941c66069b
SHA51263e2c19d9101d0e5c0fd56e3247561ce8907d225e35ea2aa6ff8dd2064e3d592576d5afafa61d1d16e59649450c8f5356667552c94e6a0b9252cf755428344ab
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memory/3756-99-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-79-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-100-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-107-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-94-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-93-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-86-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-85-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
-
memory/3756-113-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-114-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-80-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-105-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-78-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-19-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-21-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-23-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-44-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-25-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-26-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-28-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-30-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/3756-37-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4676-45-0x0000000005F40000-0x0000000006294000-memory.dmpFilesize
3.3MB
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memory/4676-69-0x0000000007980000-0x0000000007994000-memory.dmpFilesize
80KB
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memory/4676-29-0x0000000005550000-0x0000000005572000-memory.dmpFilesize
136KB
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memory/4676-38-0x0000000005DD0000-0x0000000005E36000-memory.dmpFilesize
408KB
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memory/4676-14-0x0000000002B00000-0x0000000002B36000-memory.dmpFilesize
216KB
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memory/4676-15-0x0000000074B70000-0x0000000075320000-memory.dmpFilesize
7.7MB
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memory/4676-46-0x00000000051A0000-0x00000000051BE000-memory.dmpFilesize
120KB
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memory/4676-47-0x00000000064E0000-0x000000000652C000-memory.dmpFilesize
304KB
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memory/4676-48-0x0000000004F80000-0x0000000004F90000-memory.dmpFilesize
64KB
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memory/4676-49-0x0000000006A10000-0x0000000006A42000-memory.dmpFilesize
200KB
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memory/4676-50-0x0000000070D10000-0x0000000070D5C000-memory.dmpFilesize
304KB
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memory/4676-60-0x00000000069F0000-0x0000000006A0E000-memory.dmpFilesize
120KB
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memory/4676-61-0x0000000007450000-0x00000000074F3000-memory.dmpFilesize
652KB
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memory/4676-62-0x0000000007D90000-0x000000000840A000-memory.dmpFilesize
6.5MB
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memory/4676-63-0x0000000007740000-0x000000000775A000-memory.dmpFilesize
104KB
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memory/4676-64-0x00000000077B0000-0x00000000077BA000-memory.dmpFilesize
40KB
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memory/4676-65-0x00000000079C0000-0x0000000007A56000-memory.dmpFilesize
600KB
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memory/4676-67-0x0000000007940000-0x0000000007951000-memory.dmpFilesize
68KB
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memory/4676-68-0x0000000007970000-0x000000000797E000-memory.dmpFilesize
56KB
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memory/4676-31-0x0000000005D60000-0x0000000005DC6000-memory.dmpFilesize
408KB
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memory/4676-70-0x0000000007A80000-0x0000000007A9A000-memory.dmpFilesize
104KB
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memory/4676-71-0x0000000007A60000-0x0000000007A68000-memory.dmpFilesize
32KB
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memory/4676-74-0x0000000074B70000-0x0000000075320000-memory.dmpFilesize
7.7MB
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memory/4676-20-0x00000000055C0000-0x0000000005BE8000-memory.dmpFilesize
6.2MB
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memory/4676-18-0x0000000004F80000-0x0000000004F90000-memory.dmpFilesize
64KB
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memory/4676-17-0x0000000004F80000-0x0000000004F90000-memory.dmpFilesize
64KB
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memory/4700-0-0x0000000074B70000-0x0000000075320000-memory.dmpFilesize
7.7MB
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memory/4700-24-0x0000000074B70000-0x0000000075320000-memory.dmpFilesize
7.7MB
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memory/4700-9-0x0000000009560000-0x00000000095FC000-memory.dmpFilesize
624KB
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memory/4700-8-0x0000000006EC0000-0x0000000006F80000-memory.dmpFilesize
768KB
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memory/4700-7-0x0000000005890000-0x000000000589C000-memory.dmpFilesize
48KB
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memory/4700-6-0x0000000005870000-0x0000000005880000-memory.dmpFilesize
64KB
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memory/4700-5-0x0000000005720000-0x000000000572A000-memory.dmpFilesize
40KB
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memory/4700-4-0x00000000058F0000-0x0000000005900000-memory.dmpFilesize
64KB
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memory/4700-3-0x0000000005770000-0x0000000005802000-memory.dmpFilesize
584KB
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memory/4700-2-0x0000000005C80000-0x0000000006224000-memory.dmpFilesize
5.6MB
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memory/4700-1-0x0000000000C30000-0x0000000000D16000-memory.dmpFilesize
920KB