Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
08-01-2025 02:03
General
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Target
0b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1.exe
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Size
1.9MB
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MD5
f022320106ebe6ef239cb75c93f6b3ad
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SHA1
b183fb4f66d5327889a0440eca1a61a69ae9cc00
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SHA256
0b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1
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SHA512
e77d922f9bcc6e9f383d955623c532942f5d6fbc8f41f29d284a165abdb4d6a77ac76cbc1826dabf8bd14fbaa4257258e866c4330d30cf05f17e9b4313dd5f23
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SSDEEP
24576:0bTfyVA9AatfC65K16JPuO+Q3Qvi4m4B2g83KWlumjyICs7reNJCN5a4VznpQiCx:avpAwPDpa9mw2nKWljVeNJCyyVqVa
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Windows directory 4 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1.exe"C:\Users\Admin\AppData\Local\Temp\0b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\YV3YpMvuXr.bat"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵
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C:\Windows\servicing\Editions\0b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1.exe"C:\Windows\servicing\Editions\0b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD5f022320106ebe6ef239cb75c93f6b3ad
SHA1b183fb4f66d5327889a0440eca1a61a69ae9cc00
SHA2560b5266ad1c75b3a3d186a050f140ee2d11b076440320989bda85197d3716a3a1
SHA512e77d922f9bcc6e9f383d955623c532942f5d6fbc8f41f29d284a165abdb4d6a77ac76cbc1826dabf8bd14fbaa4257258e866c4330d30cf05f17e9b4313dd5f23
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Filesize
1KB
MD51eff74e45bb1f7104e691358cb209546
SHA1253b13ffad516cc34704f5b882c6fa36953a953f
SHA2567ad96be486e6058b19446b95bb734acdaf4addc557b2d059a66ee1acfe19b3fc
SHA51244163ed001baf697ce66d3b386e13bf5cb94bc24ce6b1ae98665d766d5fcdf0ca28b41ecc26c5f11bbea117ac17099e87f204f9d5469bb102a769548edeead7e
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Filesize
274B
MD56cc8e1eaadafd408504053eb3eadfa61
SHA1ce034432502769f3d4a281947891a58386be7d36
SHA2569855f25aa2781b14858d8846ea25d6682ec6d17ef23a5d3ac4ed0684736420dc
SHA512f260296f03f00b616cd4e6b387b86579957d9a43332c621ed29fb3fdfc68382d440f0463c8eb2c7cd5abbe21252a6935d984519f140182a8b8ab074fd8d2b846
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Filesize
320KB
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Filesize
48KB
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Filesize
56KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
112KB
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Filesize
96KB
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Filesize
8KB
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Filesize
56KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
1.9MB
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Filesize
8KB
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Filesize
8KB