Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
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Target
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe
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Size
1.2MB
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MD5
bdde3f2fca8eb09969b1dc90579a71e1
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SHA1
0b259b48afbf21c5ea9c9ef52c16d15a0e52728f
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SHA256
3b2c6392ce2ade6f3a5fd949df763736a273dd8daea8057869d692cb8242f066
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SHA512
c6604ce727b9c84ede591c46c7831cdcf1f5df9ec70f45a9e9767901e972ec78e61a553468cd7f92bfbbd25709f4f34d946550df1709291235f8514c43abb1cf
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SSDEEP
24576:9SOPcJoogMZ97gucAImvxrHeQywSoP663593VrS74Z/dT:XWoogMj9ImvnPSc/9FXZ1T
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 1 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exepid process 2244 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-1-5-21-3470981204-343661084-3367201002-1000\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
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Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
wab.exepid process 2704 wab.exe 2704 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exewab.exepid process 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe 2704 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exedescription pid process target process PID 2244 set thread context of 2704 2244 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 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
wab.exepid process 2704 wab.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exedescription pid process target process PID 2244 wrote to memory of 2704 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 2244 wrote to memory of 2704 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 2244 wrote to memory of 2704 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 2244 wrote to memory of 2704 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 2244 wrote to memory of 2704 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe PID 2244 wrote to memory of 2704 2244 3250391200054 - EU14303 COTTERLEY Thé Noir Darjeeling.exe wab.exe
Processes
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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
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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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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\Users\Admin\AppData\Local\Temp\nsd1326.tmp\System.dllFilesize
11KB
MD517ed1c86bd67e78ade4712be48a7d2bd
SHA11cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA5120cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5
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memory/2244-21-0x0000000004090000-0x0000000007378000-memory.dmpFilesize
50.9MB
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memory/2244-22-0x00000000776A0000-0x0000000077849000-memory.dmpFilesize
1.7MB
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memory/2244-23-0x0000000077890000-0x0000000077966000-memory.dmpFilesize
856KB
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memory/2244-24-0x0000000010000000-0x0000000010006000-memory.dmpFilesize
24KB
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memory/2244-26-0x0000000004090000-0x0000000007378000-memory.dmpFilesize
50.9MB
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memory/2704-25-0x00000000018D0000-0x0000000004BB8000-memory.dmpFilesize
50.9MB
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memory/2704-27-0x00000000776A0000-0x0000000077849000-memory.dmpFilesize
1.7MB
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memory/2704-28-0x00000000778C6000-0x00000000778C7000-memory.dmpFilesize
4KB
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memory/2704-29-0x0000000077890000-0x0000000077966000-memory.dmpFilesize
856KB
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memory/2704-31-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-32-0x00000000018D0000-0x0000000004BB8000-memory.dmpFilesize
50.9MB
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memory/2704-72-0x0000000077890000-0x0000000077966000-memory.dmpFilesize
856KB
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memory/2704-73-0x00000000018D0000-0x0000000004BB8000-memory.dmpFilesize
50.9MB
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memory/2704-75-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-74-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-76-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-77-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-78-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-79-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-80-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-81-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-82-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-83-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-84-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-85-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-86-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-87-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-88-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-89-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-90-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-91-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-92-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-93-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-94-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-95-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-96-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-97-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-98-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-99-0x0000000077890000-0x0000000077966000-memory.dmpFilesize
856KB
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memory/2704-100-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-101-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-102-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-103-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-104-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-105-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-106-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-107-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-108-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-109-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-112-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-113-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-114-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-115-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-116-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-117-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-118-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-119-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-120-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-121-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-122-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-123-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-124-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-125-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-126-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-127-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB
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memory/2704-128-0x0000000000860000-0x00000000018C2000-memory.dmpFilesize
16.4MB