Analysis
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max time kernel
136s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
07-01-2025 10:56
General
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Target
f022320106ebe6ef239cb75c93f6b3ad.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 Program Files directory 9 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 behavior: GetForegroundWindowSpam 1 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\f022320106ebe6ef239cb75c93f6b3ad.exe"C:\Users\Admin\AppData\Local\Temp\f022320106ebe6ef239cb75c93f6b3ad.exe"1⤵
- Checks computer location settings
- Drops file in Program Files 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\vbcIjUd90i.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:\Program Files\Google\Chrome\Application\backgroundTaskHost.exe"C:\Program Files\Google\Chrome\Application\backgroundTaskHost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- 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
241B
MD5ce3b931cc7b488ef1f65428a99ad04ce
SHA1373d5aa86f7796b5b9f7410117cabc1e8b8da97c
SHA2562e3a40420c6c979d57e230e785a7c4e06e789d9b4d5daceae18964d7dde51db1
SHA5127aeb3ff21a71c53a7beb7633d136bf37493b08fc6c88f28d3b0f198be3b8ee60586fa09a47a390c28d4d630439e400c44974f29c652355f53488be46d5ab0613
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Filesize
10.8MB
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Filesize
48KB
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Filesize
56KB
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Filesize
8KB
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Filesize
112KB
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Filesize
10.8MB
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Filesize
96KB
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Filesize
56KB
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Filesize
320KB
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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