Overview
overview
8Static
static
8123.bat
windows7-x64
1123.bat
windows10-2004-x64
7DCRat.exe
windows7-x64
1DCRat.exe
windows10-2004-x64
7data/7zxa.dll
windows7-x64
3data/7zxa.dll
windows10-2004-x64
3data/DCRAC.exe
windows7-x64
1data/DCRAC.exe
windows10-2004-x64
1data/DCRCC.exe
windows7-x64
3data/DCRCC.exe
windows10-2004-x64
3data/Default.exe
windows7-x64
1data/Default.exe
windows10-2004-x64
1data/NCC2.dll
windows7-x64
1data/NCC2.dll
windows10-2004-x64
1data/NCC3.dll
windows7-x64
3data/NCC3.dll
windows10-2004-x64
3data/NCCheck.dll
windows7-x64
1data/NCCheck.dll
windows10-2004-x64
1data/Rar.exe
windows7-x64
3data/Rar.exe
windows10-2004-x64
3data/RarExt.dll
windows7-x64
1data/RarExt.dll
windows10-2004-x64
3data/RarExt64.dll
windows7-x64
1data/RarExt64.dll
windows10-2004-x64
3data/WinCon.exe
windows7-x64
1data/WinCon.exe
windows10-2004-x64
1data/Zip.exe
windows7-x64
1data/Zip.exe
windows10-2004-x64
1data/dnlib.dll
windows7-x64
1data/dnlib.dll
windows10-2004-x64
1data/dotNE...le.exe
windows7-x64
7data/dotNE...le.exe
windows10-2004-x64
7Analysis
- max time kernel
142s - max time network
111s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
27/05/2024, 17:28
Behavioral task
behavioral1
Sample
123.bat
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
123.bat
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
DCRat.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
DCRat.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
data/7zxa.dll
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
data/7zxa.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
data/DCRAC.exe
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
data/DCRAC.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
data/DCRCC.exe
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
data/DCRCC.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
data/Default.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
data/Default.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
data/NCC2.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
data/NCC2.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
data/NCC3.dll
Resource
win7-20240508-en
Behavioral task
behavioral16
Sample
data/NCC3.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
data/NCCheck.dll
Resource
win7-20240220-en
Behavioral task
behavioral18
Sample
data/NCCheck.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
data/Rar.exe
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
data/Rar.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
data/RarExt.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
data/RarExt.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
data/RarExt64.dll
Resource
win7-20240508-en
Behavioral task
behavioral24
Sample
data/RarExt64.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
data/WinCon.exe
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
data/WinCon.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
data/Zip.exe
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
data/Zip.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral29
Sample
data/dnlib.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
data/dnlib.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
data/dotNET_Reactor.Console.exe
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
data/dotNET_Reactor.Console.exe
Resource
win10v2004-20240508-en
General
- Target data/dotNET_Reactor.Console.exe
- Size 14KB
- Sample240527-v2fllacf56
- SHA256 e817802f166662a7df0b144571354d74b10e34d120f91ae9d84ca3ba925241c6
- MD5 0b4dbf61a98f3e34cdd3a1b08a6a4609
- SHA1 73587f1f5d040541b230513d22d696513dbd4cf9
- SHA512 7cca370890e4e245c84507623531b5f54b76ced3e8c6b87cdfc47ed16560b6a0a5cf9e0556075cd0d9266908e445b854114edd69d50870839624589676c0e688
- SSDEEP 192:8jY53csvsqHwrHEdSAejbMfDn1Gp78dsKGXOdlWW1ksTkwy:8jEnskskQlm1GRJKGXOdlWW1XTR
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 2332 dotNET_Reactor.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe 2332 dotNET_Reactor.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2332 dotNET_Reactor.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4148 wrote to memory of 2332 4148 dotNET_Reactor.Console.exe 85 PID 4148 wrote to memory of 2332 4148 dotNET_Reactor.Console.exe 85 PID 4148 wrote to memory of 2332 4148 dotNET_Reactor.Console.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\data\dotNET_Reactor.Console.exe"C:\Users\Admin\AppData\Local\Temp\data\dotNET_Reactor.Console.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Users\Admin\AppData\Local\Temp\data\dotNET_Reactor.exe"C:\Users\Admin\AppData\Local\Temp\data\dotNET_Reactor.exe"2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2332
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\SkinSoft\dotNET_Reactor\x86\ssapihook.dll
- Size 68KB
- SHA256 919130e16d33fd58d0370b06b7fb0fc253f5b571fc33ad5c21eb8dafe4760c94
- MD5 bc6887aa21e7794a2c27e3ffd3dc3ed0
- SHA1 2b845941c93094d7203553582f69d0c61a9fcee4
- SHA512 9e952ae72851ba081809ea5d7a86108b0355f0882bae912e0ecf931fde2e878994142b6c16094473305392981439e49d9a32aa6aaf94edd07238a0ecb787e834
- SSDEEP 384:s9oubxaNDyKWMfIbfrdA4HyQ/JTLKTIkwYxpWCLx878Wr4CeRGMpQZnLePNlmNqf:s9ooxPAICawli8xpQJKPNt3/NpBCFa
- MD5 SHA1 SHA512 SSDEEP