Analysis
-
max time kernel
239s -
max time network
254s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
-
submitted
28-10-2023 19:54
General
-
Target
NEAS.6031ecb1d3ead2d9e8ddaa9e9ea79b50.exe
-
Size
783KB
-
MD5
6031ecb1d3ead2d9e8ddaa9e9ea79b50
-
SHA1
2cead5f3d9eb5a8b5587d3a32fef22a7b019b7e3
-
SHA256
ab6c0b962a19333da87f1398af9a0f2f5b4f70cb4ef88556369ec871f47c2b78
-
SHA512
7387f504fa44f4f36b1b2c0b657e1e202fe2edfb43a9bb9e6452628bfadacee80700141a93e9967c7f9daa7d8ab77f1b173e2dcad52d3f5a2578da109fea4cb0
-
SSDEEP
12288:GqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:G+OQbpbgsFdAyQvzSqaq8q
Malware Config
Signatures
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Process spawned unexpected child process 5 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.
-
Executes dropped EXE 1 IoCs
-
Adds Run key to start application 2 TTPs 5 IoCs
-
Checks whether UAC is enabled 1 TTPs 4 IoCs
-
Drops file in System32 directory 12 IoCs
-
Drops file in Program Files directory 4 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies system certificate store 2 TTPs 6 IoCs
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of WriteProcessMemory 3 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\NEAS.6031ecb1d3ead2d9e8ddaa9e9ea79b50.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.6031ecb1d3ead2d9e8ddaa9e9ea79b50.exe"1⤵
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\System32\radarrs\dwm.exe"C:\Windows\System32\radarrs\dwm.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- System policy modification
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\System32\KBDTAT\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\es-ES\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\System32\dskquoui\wininit.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\System32\radarrs\dwm.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\PerfLogs\Admin\dwm.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
783KB
MD56031ecb1d3ead2d9e8ddaa9e9ea79b50
SHA12cead5f3d9eb5a8b5587d3a32fef22a7b019b7e3
SHA256ab6c0b962a19333da87f1398af9a0f2f5b4f70cb4ef88556369ec871f47c2b78
SHA5127387f504fa44f4f36b1b2c0b657e1e202fe2edfb43a9bb9e6452628bfadacee80700141a93e9967c7f9daa7d8ab77f1b173e2dcad52d3f5a2578da109fea4cb0
-
Filesize
344B
MD503eb0920ff2dcdd7254db3b7138f8ce5
SHA106b9710542486ba11b07999043b7ab2f9f6083f2
SHA2569eef886aeec83c8d6b2eb3354c1f245e14b5749388f63d166478220a41ba5bc0
SHA5123b98eb6db8d1c0f16e76f6d01e3c5433bdfb3d301a92dd9690408ea8a5f94e09e4d93c9dfd9b000fde4bf5acef0ff03576197ca2e571f75c6249c8e994563278
-
Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
-
Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
-
Filesize
783KB
MD56031ecb1d3ead2d9e8ddaa9e9ea79b50
SHA12cead5f3d9eb5a8b5587d3a32fef22a7b019b7e3
SHA256ab6c0b962a19333da87f1398af9a0f2f5b4f70cb4ef88556369ec871f47c2b78
SHA5127387f504fa44f4f36b1b2c0b657e1e202fe2edfb43a9bb9e6452628bfadacee80700141a93e9967c7f9daa7d8ab77f1b173e2dcad52d3f5a2578da109fea4cb0
-
Filesize
783KB
MD56031ecb1d3ead2d9e8ddaa9e9ea79b50
SHA12cead5f3d9eb5a8b5587d3a32fef22a7b019b7e3
SHA256ab6c0b962a19333da87f1398af9a0f2f5b4f70cb4ef88556369ec871f47c2b78
SHA5127387f504fa44f4f36b1b2c0b657e1e202fe2edfb43a9bb9e6452628bfadacee80700141a93e9967c7f9daa7d8ab77f1b173e2dcad52d3f5a2578da109fea4cb0
-
Filesize
808KB
-
Filesize
9.9MB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
48KB
-
Filesize
32KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
9.9MB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
808KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
40KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
40KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
48KB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
512KB
-
Filesize
9.9MB