Overview
overview
10Static
static
10XWorm-Rat-...TP.dll
windows7-x64
XWorm-Rat-...TP.dll
windows10-2004-x64
1XWorm-Rat-...er.exe
windows7-x64
1XWorm-Rat-...er.exe
windows10-2004-x64
1XWorm-Rat-...ox.dll
windows7-x64
1XWorm-Rat-...ox.dll
windows10-2004-x64
1XWorm-Rat-...er.bat
windows7-x64
5XWorm-Rat-...er.bat
windows10-2004-x64
1XWorm-Rat-...I2.dll
windows7-x64
1XWorm-Rat-...I2.dll
windows10-2004-x64
1XWorm-Rat-...io.dll
windows7-x64
1XWorm-Rat-...io.dll
windows10-2004-x64
1XWorm-Rat-...NC.exe
windows7-x64
7XWorm-Rat-...NC.exe
windows10-2004-x64
7XWorm-Rat-...er.exe
windows7-x64
1XWorm-Rat-...er.exe
windows10-2004-x64
1XWorm-Rat-...UI.exe
windows7-x64
10XWorm-Rat-...UI.exe
windows10-2004-x64
10XWorm-Rat-...ib.dll
windows7-x64
1XWorm-Rat-...ib.dll
windows10-2004-x64
1XWorm-Rat-...ib.exe
windows7-x64
1XWorm-Rat-...ib.exe
windows10-2004-x64
10Resubmissions
08-06-2024 18:20
240608-wyz2hafb42 1008-06-2024 18:17
240608-ww7cssec5w 1008-06-2024 18:11
240608-ws439seb9v 1019-05-2024 22:48
240519-2rh3asfb62 10Analysis
-
max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-06-2024 18:11
Behavioral task
behavioral1
Sample
XWorm-Rat-Remote-Administration-Tool--main/CMSTP.dll
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
XWorm-Rat-Remote-Administration-Tool--main/CMSTP.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
XWorm-Rat-Remote-Administration-Tool--main/DisAsClaimer.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
XWorm-Rat-Remote-Administration-Tool--main/DisAsClaimer.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
XWorm-Rat-Remote-Administration-Tool--main/FastColoredTextBox.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
XWorm-Rat-Remote-Administration-Tool--main/FastColoredTextBox.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
XWorm-Rat-Remote-Administration-Tool--main/Fixer.bat
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
XWorm-Rat-Remote-Administration-Tool--main/Fixer.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
XWorm-Rat-Remote-Administration-Tool--main/Guna.UI2.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
XWorm-Rat-Remote-Administration-Tool--main/Guna.UI2.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
XWorm-Rat-Remote-Administration-Tool--main/NAudio.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
XWorm-Rat-Remote-Administration-Tool--main/NAudio.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
XWorm-Rat-Remote-Administration-Tool--main/XHVNC.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
XWorm-Rat-Remote-Administration-Tool--main/XHVNC.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
XWorm-Rat-Remote-Administration-Tool--main/XWorm-RAT-V2.1-builder.exe
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
XWorm-Rat-Remote-Administration-Tool--main/XWorm-RAT-V2.1-builder.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
XWorm-Rat-Remote-Administration-Tool--main/XWormUI.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
XWorm-Rat-Remote-Administration-Tool--main/XWormUI.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
XWorm-Rat-Remote-Administration-Tool--main/dnlib.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
XWorm-Rat-Remote-Administration-Tool--main/dnlib.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
XWorm-Rat-Remote-Administration-Tool--main/dnlib.exe
Resource
win7-20240508-en
General
-
Target
XWorm-Rat-Remote-Administration-Tool--main/dnlib.exe
-
Size
12KB
-
MD5
6967b97ce4ff4524883a196a97736275
-
SHA1
6fdf2b9adc16b40a06bacc7db0abee917ef4abd3
-
SHA256
e2bddf56324addac02678a7fd8d9c3da24ad55132883ad826a1a60eaf4e4a034
-
SHA512
c71525d49e36975cb43535cff5176409163b14f53b644e3d161fd56f7514f0affbda051541a07d9af4cdc45a564dfad20a23584701499a0f03e531219c9f72be
-
SSDEEP
192:zLlo6IXsbK9CLPN0LWyJUMmYVY2QQq33WrmRaadrq8uSF3:PljIeyCLPN0CUUMme3o3mrmRJUSF
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
-
Async RAT payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\sysfile32.exe family_asyncrat -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
dnlib.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation dnlib.exe -
Executes dropped EXE 1 IoCs
Processes:
sysfile32.exepid process 4464 sysfile32.exe -
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
Processes:
dnlib.exepid process 724 dnlib.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
dnlib.exedescription pid process Token: SeDebugPrivilege 724 dnlib.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
dnlib.exedescription pid process target process PID 724 wrote to memory of 4464 724 dnlib.exe sysfile32.exe PID 724 wrote to memory of 4464 724 dnlib.exe sysfile32.exe
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 Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ex1kk4a.2uj.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\sysfile32.exeFilesize
52KB
MD50c2d61d64f4325ca752202e5bf792e9e
SHA1e7655910a124dd10beb774a693f7caccf849b438
SHA256d0dd06d26f09eed4755de33c63e29aeb8161cd9b0ca123af3474c5594df57ec1
SHA5121205a69419c38605e9a84200b1cc7731a3e169fae265dfc324a9edaf98bbc06f110bdf63d08f6b97d312cd0ce1fffe9ef8649f116ac27eb8b659ad88519d9c46
-
memory/724-1-0x00007FFAF23C3000-0x00007FFAF23C5000-memory.dmpFilesize
8KB
-
memory/724-0-0x0000000000570000-0x0000000000578000-memory.dmpFilesize
32KB
-
memory/724-11-0x00000000026C0000-0x00000000026E2000-memory.dmpFilesize
136KB
-
memory/724-12-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmpFilesize
10.8MB
-
memory/724-27-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmpFilesize
10.8MB
-
memory/4464-26-0x0000000000120000-0x0000000000132000-memory.dmpFilesize
72KB
-
memory/4464-28-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmpFilesize
10.8MB
-
memory/4464-29-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmpFilesize
10.8MB
-
memory/4464-30-0x00007FFAF23C0000-0x00007FFAF2E81000-memory.dmpFilesize
10.8MB