Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2024, 02:24
Static task
static1
Behavioral task
behavioral1
Sample
4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
Resource
win10v2004-20241007-en
General
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Target
4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
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Size
976KB
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MD5
fa638e5dcb26f16f0c960ed10f387782
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SHA1
85fefdf55321e998f93ebb52c63c275863e14e21
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SHA256
4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769
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SHA512
f1ccbd0af2a2bb0935df69f4471260c1056c5cca587294154dc0794f4642b381bbf87de5a757afa711434d17787cfa94e652c60f5a55ac51522626581f790bae
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SSDEEP
24576:KVLOy/gpKgVD/MXQPlv2aOxwyi85CDRmueO0kF:K9ObpKkMgPlv2aOyyP5CxX
Malware Config
Extracted
remcos
TEEWIRE10/27/24
teebro1800.dynamic-dns.net:2195
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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-ISGDIO
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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
Remcos
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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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4072 powershell.exe 456 powershell.exe -
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2620 set thread context of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 -
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 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 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3896 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 456 powershell.exe 4072 powershell.exe 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 4072 powershell.exe 456 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 456 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3700 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2620 wrote to memory of 4072 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 101 PID 2620 wrote to memory of 4072 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 101 PID 2620 wrote to memory of 4072 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 101 PID 2620 wrote to memory of 456 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 103 PID 2620 wrote to memory of 456 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 103 PID 2620 wrote to memory of 456 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 103 PID 2620 wrote to memory of 3896 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 105 PID 2620 wrote to memory of 3896 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 105 PID 2620 wrote to memory of 3896 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 105 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107 PID 2620 wrote to memory of 3700 2620 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.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:2620 -
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\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072
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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\yVSkoplfDgy.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:456
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yVSkoplfDgy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4486.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3896
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C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD5ea3861d123456be5afe913301dd87780
SHA1cbce7f64da5d28995ba059a944abdba6b6e8340e
SHA25699a6e1c1ce1c90566c341d7e60355d32fa86530f73bbe5255a1166a9ef6f4e5a
SHA512ff819d2c34110e209dd7d6483d65d881a2edfc08377537e967dd248e87e8beae6e5e1f1cae0bbcacec6e2f3ecaedb78b19a941f7a1828c5f8eedd054869fcb82
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD56359fc3908acae9dd249cc37a6f1a1ab
SHA14bf12331029ce088f941322d34d42fabc446eb5c
SHA25633c140cd1ae5573193f4cf27382999fc73cdabb39590f57ea2d8dfbe00bd0bba
SHA512aaad5d8fdbf6b787d201d508ea34ed17832c54c0df43fd0d18af4827917dc2b794cfe188f03a6a51788bd47d168cda03e79681792cce7d130583f6b3f83e304f
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD51a7b4983932a9c5ec032066c4ccd9f0b
SHA1e08937cf55db9199aee11e216ee41763cb6d4ed9
SHA25683f7324701d48ca2fe42efd08434ccf201d87b15727bcea956779d424d8677cf
SHA5126d3bb448eff386c7b55ec0f3350110cd09cb9f7e7e6fbb4f5d05a41a1df9c6bbd3aedced4d23f9cd3fa79a0d60f201fde910fdea9ed21317b19d48b592e3b598