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
92s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-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/7zxa.dll
- Size 155KB
- Sample240527-v2fllacf56
- SHA256 d0680ac62e94f953df031533acd0acb718ad8494f938d84198c655507709e5df
- MD5 786d4c74c05832a652be5c0a559be1e6
- SHA1 56bc5cf0bef56565da871af9e10ac8c2302d2ad7
- SHA512 29cf07d3acceb716a2e9ec66434170ba7f15c5af3c843253d72be6f7bf1ab942a6e098a423beb33efb9fbf8bb6c967c34d4dedf65aca72984c6aa70c58e0eeb4
- SSDEEP 3072:QwBYN3i204AHpzTjaLd4+OTpLcl28hpQplf4btKL6mCF:E3cp3jaLupLc3fclAKmJ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3948 3624 WerFault.exe 82 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4844 wrote to memory of 3624 4844 rundll32.exe 82 PID 4844 wrote to memory of 3624 4844 rundll32.exe 82 PID 4844 wrote to memory of 3624 4844 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\data\7zxa.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\data\7zxa.dll,#12⤵PID:3624
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 6003⤵
- Program crash
PID:3948
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3624 -ip 36241⤵PID:452