Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240319-en - resource tags
- submitted
11/04/2024, 07:18
General
- Target Payment Invoice.exe
- Size 910KB
- Sample240411-h4x77see26
- SHA256 b162074bf62543007615d08db1dffa75022858944a0ecc5de5ed8d3be561e3da
Malware Config
Extracted
-
remcos
-
RemoteHost
-
bignight.net:3363
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
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hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-1XSDBO
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\Payment Invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HFqduGIsFotY.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HFqduGIsFotY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD66.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
-
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=1328 --field-trial-handle=2260,i,11662483365823245381,11064702639240765741,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_fp5vqkrc.4jj.ps1
tmpAD66.tmp
memory/1504-4-0x0000000005310000-0x0000000005320000-memory.dmp
memory/1504-6-0x0000000005800000-0x0000000005818000-memory.dmp
memory/1504-7-0x00000000056C0000-0x00000000056C8000-memory.dmp
memory/1504-8-0x0000000004CC0000-0x0000000004CCC000-memory.dmp
memory/1504-9-0x0000000006750000-0x0000000006810000-memory.dmp
memory/1504-10-0x0000000007050000-0x00000000070EC000-memory.dmp
memory/1504-5-0x00000000053F0000-0x00000000053FA000-memory.dmp
memory/1504-0-0x0000000074E80000-0x0000000075630000-memory.dmp
memory/1504-27-0x0000000074E80000-0x0000000075630000-memory.dmp
memory/1504-3-0x0000000005320000-0x00000000053B2000-memory.dmp
memory/1504-2-0x0000000005820000-0x0000000005DC4000-memory.dmp
memory/1504-1-0x0000000000850000-0x000000000093A000-memory.dmp
memory/2592-19-0x0000000004D70000-0x0000000004D80000-memory.dmp
memory/2592-111-0x0000000074E80000-0x0000000075630000-memory.dmp
memory/2592-17-0x0000000004D70000-0x0000000004D80000-memory.dmp
memory/2592-61-0x0000000004D70000-0x0000000004D80000-memory.dmp
memory/2592-18-0x00000000053B0000-0x00000000059D8000-memory.dmp
memory/2592-16-0x0000000074E80000-0x0000000075630000-memory.dmp
memory/2592-99-0x00000000074F0000-0x00000000074FE000-memory.dmp
memory/2592-97-0x00000000074C0000-0x00000000074D1000-memory.dmp
memory/2592-92-0x00000000072C0000-0x00000000072DA000-memory.dmp
memory/2592-91-0x0000000007900000-0x0000000007F7A000-memory.dmp
memory/2592-44-0x0000000005B10000-0x0000000005E64000-memory.dmp
memory/2592-15-0x0000000002660000-0x0000000002696000-memory.dmp
memory/2592-65-0x000000007F5D0000-0x000000007F5E0000-memory.dmp
memory/2592-66-0x00000000065A0000-0x00000000065D2000-memory.dmp
memory/2592-28-0x0000000004FD0000-0x0000000004FF2000-memory.dmp
memory/2592-78-0x0000000071130000-0x000000007117C000-memory.dmp
memory/3004-22-0x0000000074E80000-0x0000000075630000-memory.dmp
memory/3004-93-0x00000000075C0000-0x00000000075CA000-memory.dmp
memory/3004-21-0x0000000004DF0000-0x0000000004E00000-memory.dmp
memory/3004-110-0x0000000074E80000-0x0000000075630000-memory.dmp
memory/3004-60-0x0000000004DF0000-0x0000000004E00000-memory.dmp
memory/3004-56-0x0000000006580000-0x00000000065CC000-memory.dmp
memory/3004-104-0x0000000007870000-0x0000000007878000-memory.dmp
memory/3004-67-0x0000000071130000-0x000000007117C000-memory.dmp
memory/3004-103-0x0000000007890000-0x00000000078AA000-memory.dmp
memory/3004-80-0x00000000067F0000-0x000000000680E000-memory.dmp
memory/3004-55-0x0000000006240000-0x000000000625E000-memory.dmp
memory/3004-90-0x0000000007430000-0x00000000074D3000-memory.dmp
memory/3004-69-0x000000007F240000-0x000000007F250000-memory.dmp
memory/3004-100-0x0000000007790000-0x00000000077A4000-memory.dmp
memory/3004-32-0x0000000005B30000-0x0000000005B96000-memory.dmp
memory/3004-37-0x0000000005BA0000-0x0000000005C06000-memory.dmp
memory/3004-96-0x00000000077D0000-0x0000000007866000-memory.dmp
memory/3212-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-64-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-124-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-125-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-128-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-138-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-139-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-140-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-141-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-143-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-144-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-151-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-152-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-58-0x0000000000400000-0x0000000000482000-memory.dmp