Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
13-07-2024 13:09
Static task
static1
Behavioral task
behavioral1
Sample
f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe
Resource
win7-20240705-en
General
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Target
f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe
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Size
999KB
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MD5
04a0409b44c06cd15f68cef8bdfc9b17
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SHA1
ec17ab0fb9a01fa208da02445056b68f30232520
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SHA256
f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48
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SHA512
48fad9e7c7a3a7686b308a4e1b0d122e00b964b6c179f31d54bd6207c9b085cb0aa246c7b4b6ec1f875d84f33582058b63353f8db11f20760f5084a3efb8b8ac
-
SSDEEP
24576:iLl1+oR/hMvKHTnJkRvxAMAvu2lHu6wRudqGlXSo:AZqVxAzvuOKqfS
Malware Config
Extracted
remcos
5764576
172.93.218.178:45667
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audio_folder
MicRecords
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audio_record_time
5
-
connect_delay
0
-
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
-
mutex
765-XJJE0J
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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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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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exedescription pid process target process PID 4528 set thread context of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 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 2 IoCs
Processes:
powershell.exepid process 2200 powershell.exe 2200 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2200 powershell.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exedescription pid process target process PID 4528 wrote to memory of 2200 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe powershell.exe PID 4528 wrote to memory of 2200 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe powershell.exe PID 4528 wrote to memory of 2200 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe powershell.exe PID 4528 wrote to memory of 3468 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe schtasks.exe PID 4528 wrote to memory of 3468 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe schtasks.exe PID 4528 wrote to memory of 3468 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe schtasks.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe PID 4528 wrote to memory of 2944 4528 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe"C:\Users\Admin\AppData\Local\Temp\f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ppUSXdJgAIFILG.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2200 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ppUSXdJgAIFILG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E24.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:3468 -
C:\Users\Admin\AppData\Local\Temp\f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe"C:\Users\Admin\AppData\Local\Temp\f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48.exe"2⤵PID:2944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD522336515782c54107af57d050566f8a2
SHA1bcf9f0a1866be3a6476e689090dd0e0c8ac78250
SHA256d122629189476e01acef90f9c22271206fb8f482765471815669ba6239381e68
SHA512752bf021e196d434ff36d3d1409c369f7f0b9a542033c10cfc8525f26e58dd08777bbc57a1da2eceba46d82d3aa866a1883c6055c7d215df7d09940126c53def