Analysis
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max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08-02-2024 06:30
Static task
static1
Behavioral task
behavioral1
Sample
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
General
-
Target
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe
-
Size
1.2MB
-
MD5
bdde3f2fca8eb09969b1dc90579a71e1
-
SHA1
0b259b48afbf21c5ea9c9ef52c16d15a0e52728f
-
SHA256
3b2c6392ce2ade6f3a5fd949df763736a273dd8daea8057869d692cb8242f066
-
SHA512
c6604ce727b9c84ede591c46c7831cdcf1f5df9ec70f45a9e9767901e972ec78e61a553468cd7f92bfbbd25709f4f34d946550df1709291235f8514c43abb1cf
-
SSDEEP
24576:9SOPcJoogMZ97gucAImvxrHeQywSoP663593VrS74Z/dT:XWoogMj9ImvnPSc/9FXZ1T
Malware Config
Extracted
remcos
Top
-
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
true
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install_flag
false
-
keylog_crypt
false
-
keylog_file
mqerms.dat
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keylog_flag
false
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keylog_path
%AppData%
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mouse_option
false
-
mutex
alpwovnb-G3F5OR
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
Loads dropped DLL 1 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exepid process 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
wab.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Distrix = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Mrkeblk\\Microcline.exe" wab.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
wab.exepid process 4464 wab.exe 4464 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exewab.exepid process 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe 4464 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exedescription pid process target process PID 3716 set thread context of 4464 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe -
Drops file in Windows directory 1 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exedescription ioc process File created C:\Windows\resources\0409\feriegiros.lnk 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exepid process 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
wab.exepid process 4464 wab.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exedescription pid process target process PID 3716 wrote to memory of 4464 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 3716 wrote to memory of 4464 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 3716 wrote to memory of 4464 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 3716 wrote to memory of 4464 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 3716 wrote to memory of 4464 3716 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe"C:\Users\Admin\AppData\Local\Temp\3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nspC602.tmp\System.dllFilesize
11KB
MD517ed1c86bd67e78ade4712be48a7d2bd
SHA11cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA5120cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5
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memory/3716-20-0x0000000004BE0000-0x0000000007EC8000-memory.dmpFilesize
50.9MB
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memory/3716-21-0x0000000004BE0000-0x0000000007EC8000-memory.dmpFilesize
50.9MB
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memory/3716-22-0x0000000077A31000-0x0000000077B51000-memory.dmpFilesize
1.1MB
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memory/3716-23-0x0000000010000000-0x0000000010006000-memory.dmpFilesize
24KB
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memory/4464-24-0x0000000002000000-0x00000000052E8000-memory.dmpFilesize
50.9MB
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memory/4464-25-0x0000000077AB8000-0x0000000077AB9000-memory.dmpFilesize
4KB
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memory/4464-26-0x0000000077A31000-0x0000000077B51000-memory.dmpFilesize
1.1MB
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memory/4464-28-0x0000000002000000-0x00000000052E8000-memory.dmpFilesize
50.9MB
-
memory/4464-41-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-42-0x0000000077A31000-0x0000000077B51000-memory.dmpFilesize
1.1MB
-
memory/4464-44-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-43-0x0000000002000000-0x00000000052E8000-memory.dmpFilesize
50.9MB
-
memory/4464-45-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-46-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-47-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-48-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-49-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-50-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-51-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-52-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-53-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-54-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-55-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-56-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-57-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-58-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-59-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-60-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-63-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-64-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-65-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-66-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-67-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-68-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-69-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-70-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-71-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-72-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-73-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-74-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-75-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-76-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-77-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-78-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-79-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-80-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-81-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-82-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-83-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-84-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-85-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-86-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-87-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-88-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-89-0x0000000077A31000-0x0000000077B51000-memory.dmpFilesize
1.1MB
-
memory/4464-90-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-91-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-92-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-93-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-94-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-95-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-96-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-97-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-98-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
-
memory/4464-99-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB
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memory/4464-100-0x0000000000DA0000-0x0000000001FF4000-memory.dmpFilesize
18.3MB