Analysis
-
max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
-
submitted
07-01-2025 12:54
General
-
Target
0ba179fecafc8c823fcd576e0d2f31fff23072e64dbeffb0a2c7d42631cacc0d.exe
-
Size
1.2MB
-
MD5
3e486391221891462495325b3bbf8b13
-
SHA1
c65d92a465ec8967a7fba171ac6e62f3aaae2ff0
-
SHA256
0ba179fecafc8c823fcd576e0d2f31fff23072e64dbeffb0a2c7d42631cacc0d
-
SHA512
066ebb9cdfe3b45f893ec031237319d49a1d323e1f928a2ffde324e718adef84bb6c397f2cc12814a069ea71106b44996abf538ac2b8bd7e456cfc3ec76138ff
-
SSDEEP
24576:Zrtb29jyTS6MoaS0BPXM3l9HDesNM1w3HzjM4LjvTCdPILP+4h:jb29j5jf/GB6eZLGo
Malware Config
Signatures
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Dcrat family
-
Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
-
UAC bypass 3 TTPs 6 IoCs
-
DCRat payload 5 IoCs
Detects payload of DCRat, commonly dropped by NSIS installers.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE 1 IoCs
-
Adds Run key to start application 2 TTPs 3 IoCs
-
Checks whether UAC is enabled 1 TTPs 4 IoCs
-
Drops file in System32 directory 5 IoCs
-
Drops file in Program Files directory 5 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
-
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of WriteProcessMemory 6 IoCs
-
System policy modification 1 TTPs 6 IoCs
-
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\0ba179fecafc8c823fcd576e0d2f31fff23072e64dbeffb0a2c7d42631cacc0d.exe"C:\Users\Admin\AppData\Local\Temp\0ba179fecafc8c823fcd576e0d2f31fff23072e64dbeffb0a2c7d42631cacc0d.exe"1⤵
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\zqfZNrGfez.bat"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵
-
-
C:\Recovery\WindowsRE\System.exe"C:\Recovery\WindowsRE\System.exe"3⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
-
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\System32\SgrmEnclave_secure\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.2MB
MD50d08554278a23f3477b0fdf6ad18b425
SHA1e8601b316a356887d1c0341cdd98bf66cf517d5f
SHA2569d0adfd825dae497b2cd9878267c7d61c2159766f3d43344bc315b78f82e3891
SHA512e245683395a3dcb2372dca831f4ae438ff152f220ce3a3cb137e9c77f190419fe2e4db12cf1de5de8dbb7183831a5f4bcaef7c0a755b644b245df8d26f02e7a1
-
Filesize
1.2MB
MD53e486391221891462495325b3bbf8b13
SHA1c65d92a465ec8967a7fba171ac6e62f3aaae2ff0
SHA2560ba179fecafc8c823fcd576e0d2f31fff23072e64dbeffb0a2c7d42631cacc0d
SHA512066ebb9cdfe3b45f893ec031237319d49a1d323e1f928a2ffde324e718adef84bb6c397f2cc12814a069ea71106b44996abf538ac2b8bd7e456cfc3ec76138ff
-
Filesize
1.2MB
MD577760d25680549a6e33d813225f15ae0
SHA13ba98784170c929615f2a606c1865bbcca860140
SHA256cfe5bf369e60e17054176b8926c7336e53d0489e1a65815610a794886d1d90d2
SHA5126e758c1402852a2ee6c669208b491160eefb086c1b5bc52b698d9292ad933e8e71a66413e367b6f6c36f1df841e145b8ee5f06035deceba678a481279ebbcbac
-
Filesize
196B
MD58bbb422c99fa4a6b8ce40c7f1f8394c0
SHA158adfcee84bd1c3701a96a8b74d989417be4722e
SHA25604b977b567073943473b71d9bd5bb87441451201f87f5d5bf3c838bb92bbf6f8
SHA5126bd9e1031a1bae07fce995686a702a1e7c71ad5702df69685ba98dc2441df9876a9a8afdd1d24d5d4cd1c05ebbc4d75ffa2aaab536a63da78b885da0d92df9ae
-
Filesize
1.2MB
MD53b8f14d7684d0d85381d77aa46d38f0d
SHA14f5b58fc41d9e2e6198e47ae4573feee3f1d0319
SHA256a30e349a4cf65e738c78cb28924297e992bcd9aa43cb0fb955b9a8d4374afcab
SHA5125f8470357afa7abe326358c426b629d83ed5d12d4eb09dc53e8c9a424e539064fe059c4e2e23b8a5fa282a82342e9277ddaa25a48827a46fcbd62a6a0ba75686
-
Filesize
64KB
-
Filesize
40KB
-
Filesize
32KB
-
Filesize
48KB
-
Filesize
48KB
-
Filesize
48KB
-
Filesize
8KB
-
Filesize
10.8MB
-
Filesize
10.8MB
-
Filesize
1.2MB