Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 10:57
Static task
static1
Behavioral task
behavioral1
Sample
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
Resource
win7-20240221-en
General
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Target
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
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Size
1.0MB
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MD5
1b968f62b9672831c42e1cc776473a4b
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SHA1
14634650057f53408c9da09215bed0b08eb1f287
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SHA256
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772
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SHA512
53e58d80069bfa0159c88598d544ff009c6823150b886e606b8ce00bc3d1c8619c8ce495fc564e5fc6d397a0c461d707c30684ee2d622970230a84b40401ab59
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SSDEEP
24576:mF1lOimK6SfT7rEu/hXpOfTi0kIU4y41sYBpJ312Zq:IZfou/hXYf3Lt11TJl2U
Malware Config
Extracted
remcos
STHost
89.249.73.162:2479
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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-TH3UQH
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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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4628 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4848 set thread context of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 -
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 4480 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 4628 powershell.exe 4628 powershell.exe 4628 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe Token: SeDebugPrivilege 4628 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4116 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4848 wrote to memory of 4628 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 98 PID 4848 wrote to memory of 4628 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 98 PID 4848 wrote to memory of 4628 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 98 PID 4848 wrote to memory of 4480 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 100 PID 4848 wrote to memory of 4480 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 100 PID 4848 wrote to memory of 4480 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 100 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102 PID 4848 wrote to memory of 4116 4848 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\siRiSxOKgeg.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\siRiSxOKgeg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B91.tmp"2⤵
- Creates scheduled task(s)
PID:4480
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C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:4116
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3952 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:81⤵PID:5024
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD59eaeba20bb3fb5d53a5a08eff553016f
SHA1cd3f18a2ca20e5ea0362b0162a7a0b9515232fbf
SHA256b576db0009085c605def34cebbbdf012ee521e50bfa0cfb4495c769e1392cb5a
SHA512495ab743fafe2caaf6e985dc22720274df164d9fdffcc508f15cde7d4af6ac68e714d41f1e24179871d2e64ffbf546912a9dd4c721042eb7f46b97dddce551e3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD537487cb02e325024c1b37a1aee05e457
SHA1d9ce40abd54ab958ba2b48e22e6228d8f77e95e8
SHA2562f33599469bdf5108b4d66ddb516120791168c19f5902198205bc4f25afedad4
SHA51216252b4c98c47fedcbd71321a9b3a18f7e147b182fedb9ea5f1f4c36f070e7c9ff088da6e2b035d980ae13dc73c3edf31e8f79e7e38b49b9e90f7e7801b73cec