Resubmissions
08/06/2024, 18:20
240608-wyz2hafb421008/06/2024, 18:17
240608-ww7cssec5w1008/06/2024, 18:11
240608-ws439seb9v1019/05/2024, 22:52
240519-2txcpsfe7w19/05/2024, 22:48
240519-2rh3asfb6210Analysis
- max time kernel
93s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
08/06/2024, 18:11
General
- Target XWorm-Rat-Remote-Administration-Tool--main/dnlib.exe
- Size 12KB
- Sample240608-ws439seb9v
- SHA256 e2bddf56324addac02678a7fd8d9c3da24ad55132883ad826a1a60eaf4e4a034
Malware Config
Extracted
-
asyncrat
-
1.0.7
-
def
-
37.18.62.18:8060
-
era2312swe12-1213rsgdkms23
-
delay
1
-
install
true
-
install_file
CCXProcess.exe
-
install_folder
%Temp%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\XWorm-Rat-Remote-Administration-Tool--main\dnlib.exe"C:\Users\Admin\AppData\Local\Temp\XWorm-Rat-Remote-Administration-Tool--main\dnlib.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\sysfile32.exe"C:\Users\Admin\AppData\Local\Temp\sysfile32.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_1ex1kk4a.2uj.ps1
sysfile32.exe
memory/724-1-0x00007FFAF23C3000-0x00007FFAF23C5000-memory.dmp
memory/724-0-0x0000000000570000-0x0000000000578000-memory.dmp
memory/724-11-0x00000000026C0000-0x00000000026E2000-memory.dmp
memory/724-12-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmp
memory/724-27-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmp
memory/4464-26-0x0000000000120000-0x0000000000132000-memory.dmp
memory/4464-28-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmp
memory/4464-29-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmp
memory/4464-30-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmp