Analysis
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max time kernel
147s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2024 07:12
Static task
static1
Behavioral task
behavioral1
Sample
BankFundTransfer-589237.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BankFundTransfer-589237.scr.exe
Resource
win10v2004-20241007-en
General
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Target
BankFundTransfer-589237.scr.exe
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Size
1.2MB
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MD5
552044ce92b78bf4b68d242c2c380afe
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SHA1
2ef4efa20f4fd0d05d8f49ccb22c9afeada93a62
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SHA256
cac29565b48f92e8c7a43b7dcca13294bae02890c26df75ae5e5ee31a464e4f3
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SHA512
4dc5ef0fb4b80a81015f4507422a67309074ea01787c9ed0d18c850a1d98ea1e3a444993a1d08428331e2ff044390c873d20c31ffbae049e325a82b64d5a3967
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SSDEEP
24576:6YdgfvzmIzxWOwxzCJYC3PPoKb0Eci5ihjJVxw9bYOd+8:qzmmWXRCaePPjb0Eci5ih7xw9bYI
Malware Config
Extracted
remcos
RemoteHost
212.162.149.226:9285
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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
AppUpdate
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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
true
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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-VCJ8ZS
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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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startup_value
AppUpdate
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid Process 4092 powershell.exe 3260 powershell.exe 636 powershell.exe 4832 powershell.exe -
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
BankFundTransfer-589237.scr.exeBankFundTransfer-589237.scr.exeWScript.exeremcos.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation BankFundTransfer-589237.scr.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation BankFundTransfer-589237.scr.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation remcos.exe -
Executes dropped EXE 2 IoCs
Processes:
remcos.exeremcos.exepid Process 2204 remcos.exe 1404 remcos.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
remcos.exeBankFundTransfer-589237.scr.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AppUpdate = "\"C:\\ProgramData\\AppUpdate\\remcos.exe\"" remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AppUpdate = "\"C:\\ProgramData\\AppUpdate\\remcos.exe\"" BankFundTransfer-589237.scr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AppUpdate = "\"C:\\ProgramData\\AppUpdate\\remcos.exe\"" BankFundTransfer-589237.scr.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AppUpdate = "\"C:\\ProgramData\\AppUpdate\\remcos.exe\"" remcos.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
BankFundTransfer-589237.scr.exeremcos.exedescription pid Process procid_target PID 1684 set thread context of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 2204 set thread context of 1404 2204 remcos.exe 117 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
powershell.exeschtasks.exeBankFundTransfer-589237.scr.exeremcos.exeremcos.exeBankFundTransfer-589237.scr.exepowershell.exeWScript.execmd.exepowershell.exepowershell.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BankFundTransfer-589237.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BankFundTransfer-589237.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Modifies registry class 1 IoCs
Processes:
BankFundTransfer-589237.scr.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings BankFundTransfer-589237.scr.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1172 schtasks.exe 5060 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
BankFundTransfer-589237.scr.exepowershell.exepowershell.exeremcos.exepowershell.exepowershell.exepid Process 1684 BankFundTransfer-589237.scr.exe 1684 BankFundTransfer-589237.scr.exe 1684 BankFundTransfer-589237.scr.exe 4092 powershell.exe 3260 powershell.exe 1684 BankFundTransfer-589237.scr.exe 3260 powershell.exe 4092 powershell.exe 2204 remcos.exe 2204 remcos.exe 2204 remcos.exe 4832 powershell.exe 2204 remcos.exe 636 powershell.exe 4832 powershell.exe 636 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
BankFundTransfer-589237.scr.exepowershell.exepowershell.exeremcos.exepowershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 1684 BankFundTransfer-589237.scr.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 2204 remcos.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 636 powershell.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
BankFundTransfer-589237.scr.exeBankFundTransfer-589237.scr.exeWScript.execmd.exeremcos.exedescription pid Process procid_target PID 1684 wrote to memory of 4092 1684 BankFundTransfer-589237.scr.exe 97 PID 1684 wrote to memory of 4092 1684 BankFundTransfer-589237.scr.exe 97 PID 1684 wrote to memory of 4092 1684 BankFundTransfer-589237.scr.exe 97 PID 1684 wrote to memory of 3260 1684 BankFundTransfer-589237.scr.exe 99 PID 1684 wrote to memory of 3260 1684 BankFundTransfer-589237.scr.exe 99 PID 1684 wrote to memory of 3260 1684 BankFundTransfer-589237.scr.exe 99 PID 1684 wrote to memory of 1172 1684 BankFundTransfer-589237.scr.exe 101 PID 1684 wrote to memory of 1172 1684 BankFundTransfer-589237.scr.exe 101 PID 1684 wrote to memory of 1172 1684 BankFundTransfer-589237.scr.exe 101 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 1684 wrote to memory of 4752 1684 BankFundTransfer-589237.scr.exe 103 PID 4752 wrote to memory of 3972 4752 BankFundTransfer-589237.scr.exe 104 PID 4752 wrote to memory of 3972 4752 BankFundTransfer-589237.scr.exe 104 PID 4752 wrote to memory of 3972 4752 BankFundTransfer-589237.scr.exe 104 PID 3972 wrote to memory of 2824 3972 WScript.exe 105 PID 3972 wrote to memory of 2824 3972 WScript.exe 105 PID 3972 wrote to memory of 2824 3972 WScript.exe 105 PID 2824 wrote to memory of 2204 2824 cmd.exe 107 PID 2824 wrote to memory of 2204 2824 cmd.exe 107 PID 2824 wrote to memory of 2204 2824 cmd.exe 107 PID 2204 wrote to memory of 4832 2204 remcos.exe 111 PID 2204 wrote to memory of 4832 2204 remcos.exe 111 PID 2204 wrote to memory of 4832 2204 remcos.exe 111 PID 2204 wrote to memory of 636 2204 remcos.exe 113 PID 2204 wrote to memory of 636 2204 remcos.exe 113 PID 2204 wrote to memory of 636 2204 remcos.exe 113 PID 2204 wrote to memory of 5060 2204 remcos.exe 115 PID 2204 wrote to memory of 5060 2204 remcos.exe 115 PID 2204 wrote to memory of 5060 2204 remcos.exe 115 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117 PID 2204 wrote to memory of 1404 2204 remcos.exe 117
Processes
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C:\Users\Admin\AppData\Local\Temp\BankFundTransfer-589237.scr.exe"C:\Users\Admin\AppData\Local\Temp\BankFundTransfer-589237.scr.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
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\BankFundTransfer-589237.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092
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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\uCItbEGgKu.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3260
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uCItbEGgKu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3A9.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1172
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C:\Users\Admin\AppData\Local\Temp\BankFundTransfer-589237.scr.exe"C:\Users\Admin\AppData\Local\Temp\BankFundTransfer-589237.scr.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\ProgramData\AppUpdate\remcos.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\ProgramData\AppUpdate\remcos.exeC:\ProgramData\AppUpdate\remcos.exe5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\AppUpdate\remcos.exe"6⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832
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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\uCItbEGgKu.exe"6⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:636
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uCItbEGgKu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FB1.tmp"6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5060
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C:\ProgramData\AppUpdate\remcos.exe"C:\ProgramData\AppUpdate\remcos.exe"6⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1404
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.2MB
MD5552044ce92b78bf4b68d242c2c380afe
SHA12ef4efa20f4fd0d05d8f49ccb22c9afeada93a62
SHA256cac29565b48f92e8c7a43b7dcca13294bae02890c26df75ae5e5ee31a464e4f3
SHA5124dc5ef0fb4b80a81015f4507422a67309074ea01787c9ed0d18c850a1d98ea1e3a444993a1d08428331e2ff044390c873d20c31ffbae049e325a82b64d5a3967
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5c3de5ebee6a6c6eb09d1b7bd86b4a173
SHA1e96074d3260c56f1f999a1bf58ebc6f12aca9cac
SHA256c7e8a8cc90a42b8cad1096e5b2e5c2bdfc8df87e0aca37941686a2b0d76af785
SHA512a786cc39e780f872a42ec84eb052b99e28cefffd8ef028908c3044bedf4008f159247b380f5db70f588ce38ece2cdddb600c3584ac0b858ebdc5033145c89dea
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Filesize
18KB
MD55a2774e17dcdca79d7061ac4ae2e3981
SHA1e8e564ca11604950af617891ed29e57bc96fda53
SHA2560033e37181119026e1ab93a2a24d900b9fbdc2d456da02cbc8f1b33d756218c3
SHA5121b20acd83f358778a8185c8dc09a9c61f62ce3ef70b47924059e0593a274da71cb5d1087d5f02c78b8bae211b8d951c8c68e1c3733192fac246bdfa54c5561aa
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
392B
MD5046708368578d720d91fb9ceecec742e
SHA11dc732f67f48a1d5694f4cf14a8d279dbd1d6ee6
SHA25604f4edc28e97a16f93cf7acac864aba17cc467282550ae61baac719262be6f5e
SHA5129106f645ee74c9e061fcb396a00d706512d41054a356125f26a10d42390d8f0d3ea3dd785393bf5de358b62464ec3c0f7d2e27411e87bb408581f820c427e7f0
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Filesize
1KB
MD508416df40d92c3844c08f106752a6f7f
SHA1769e623d6a80c2b3d28582b5b521278750dea200
SHA256ccec6f40b18896439604620b576e1701e7a982c0407794f71f4ceb7924b7df6b
SHA512a90eb12b02d3b3cdc13c0c70a944f0cbc6fc26c15642ef8026139c1467f9da39f339043f3d508715dcbe24a3de81d7e7eecd110e0996966b1a7a7e0222305340