Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-01-2023 08:16
Static task
static1
Behavioral task
behavioral1
Sample
GBGBGBGBG.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
GBGBGBGBG.exe
Resource
win10v2004-20221111-en
General
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Target
GBGBGBGBG.exe
-
Size
1.8MB
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MD5
e627a94203d6d2b9aa4eb69f1815248e
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SHA1
9e69ea413e16b67caa8c8b6b2adf51d097c8e264
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SHA256
8a8bb4a312f4856759a282af9997771b38b1505178b398c7984a488e3279d0c2
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SHA512
03e3db75d337758d1aef6c0c38cd2bedc835a53c77323e1e9103de93f76f9549ddcf940ad63b2a7d9dacac3c1959a478924a056eb2cb9042a97f3706b09b0126
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SSDEEP
24576:OtY2JMzBEU2ZclAod25zgDrbDMOn8IhSV+lUDHDrGviQGnMGZJFIMLq6c4jM1l9P:OtS48DX8VWCI/FcLFRjcBrf8
Malware Config
Extracted
remcos
2.7.1 Pro
OGBMANNY
91.231.84.41:52651
127.0.0.1:52651
10.5.175.21:52651
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audio_folder
MicRecords
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audio_path
%AppData%
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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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install_path
%AppData%
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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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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-B15393
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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
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take_screenshot_title
wikipedia;solitaire;
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
GBGBGBGBG.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation GBGBGBGBG.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
GBGBGBGBG.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vvgec = "\"C:\\Users\\Admin\\AppData\\Roaming\\Jcuonzr\\Vvgec.exe\"" GBGBGBGBG.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
GBGBGBGBG.exedescription pid process target process PID 4072 set thread context of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4512 powershell.exe 4512 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeGBGBGBGBG.exedescription pid process Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 4072 GBGBGBGBG.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
GBGBGBGBG.exedescription pid process target process PID 4072 wrote to memory of 4512 4072 GBGBGBGBG.exe powershell.exe PID 4072 wrote to memory of 4512 4072 GBGBGBGBG.exe powershell.exe PID 4072 wrote to memory of 4512 4072 GBGBGBGBG.exe powershell.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe PID 4072 wrote to memory of 4584 4072 GBGBGBGBG.exe GBGBGBGBG.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\GBGBGBGBG.exe"C:\Users\Admin\AppData\Local\Temp\GBGBGBGBG.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\GBGBGBGBG.exeC:\Users\Admin\AppData\Local\Temp\GBGBGBGBG.exe2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4072-132-0x00000000008A0000-0x0000000000A80000-memory.dmpFilesize
1.9MB
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memory/4072-133-0x0000000005980000-0x0000000005F24000-memory.dmpFilesize
5.6MB
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memory/4072-134-0x0000000005470000-0x0000000005502000-memory.dmpFilesize
584KB
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memory/4072-135-0x0000000005430000-0x000000000543A000-memory.dmpFilesize
40KB
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memory/4072-136-0x00000000062F0000-0x0000000006312000-memory.dmpFilesize
136KB
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memory/4512-137-0x0000000000000000-mapping.dmp
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memory/4512-138-0x0000000002A50000-0x0000000002A86000-memory.dmpFilesize
216KB
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memory/4512-139-0x0000000005200000-0x0000000005828000-memory.dmpFilesize
6.2MB
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memory/4512-140-0x0000000005910000-0x0000000005976000-memory.dmpFilesize
408KB
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memory/4512-141-0x0000000005980000-0x00000000059E6000-memory.dmpFilesize
408KB
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memory/4512-142-0x0000000006010000-0x000000000602E000-memory.dmpFilesize
120KB
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memory/4512-143-0x0000000007650000-0x0000000007CCA000-memory.dmpFilesize
6.5MB
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memory/4512-144-0x00000000064E0000-0x00000000064FA000-memory.dmpFilesize
104KB
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memory/4584-145-0x0000000000000000-mapping.dmp
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memory/4584-146-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/4584-148-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/4584-149-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/4584-150-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB