Analysis
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max time kernel
139s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
23/07/2024, 15:39
Static task
static1
Behavioral task
behavioral1
Sample
317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe
Resource
win10v2004-20240709-en
General
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Target
317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe
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Size
2.0MB
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MD5
8f424619f95580c7ce64bf3663046f60
-
SHA1
83b585a40f4a8a9c421647cf88716b6200750a3b
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SHA256
317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985
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SHA512
e5c92c2bf2d874c10686e5d6a87fd30bfef9b8b87cc3571774fbc72ae8e7111626f675ac356df19377d50a670c8596882da2a6cc4ded40525dbc00907cab1f13
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SSDEEP
24576:WD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4+cZkL:Wp7E+QrFUBgq29S
Malware Config
Extracted
remcos
1.7 Pro
Host
213.183.58.19:4000
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audio_folder
audio
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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
5
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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
true
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install_flag
false
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install_path
%AppData%
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keylog_crypt
true
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keylog_file
read.dat
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keylog_flag
false
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keylog_folder
CastC
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_sccafsoidz
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Executes dropped EXE 2 IoCs
pid Process 2760 sbietrcl.exe 2572 sbietrcl.exe -
Loads dropped DLL 1 IoCs
pid Process 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe" 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2760 set thread context of 2572 2760 sbietrcl.exe 32 -
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 3 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 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sbietrcl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sbietrcl.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 2760 sbietrcl.exe 2760 sbietrcl.exe 2760 sbietrcl.exe 2760 sbietrcl.exe 2760 sbietrcl.exe 2760 sbietrcl.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe Token: SeDebugPrivilege 2760 sbietrcl.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2572 sbietrcl.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3004 wrote to memory of 2760 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 31 PID 3004 wrote to memory of 2760 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 31 PID 3004 wrote to memory of 2760 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 31 PID 3004 wrote to memory of 2760 3004 317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe 31 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32 PID 2760 wrote to memory of 2572 2760 sbietrcl.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe"C:\Users\Admin\AppData\Local\Temp\317ce86a4e5783cbfa78be1ce5950fe287d810f34d834d859df0bf7496625985.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2572
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
2.0MB
MD50fc999f80e898e1c2f6075d310e756ee
SHA1bf870f8639415ee4e840a06590211cc3dd55e40b
SHA25670f32562938fa29b119ac11d7fd681176dd14a9427a68bf74bffdca706f3a34e
SHA512605424c838f0599aaf04d6be00e47f6368b36716d999307373cb8199ce63fa816b49be05a67a089bb7ee9eae3c9f6f283a3ae0214228f3244b113f64fae78b05