Overview
overview
10Static
static
10LzFE9kDPVu...Z8.zip
windows11-21h2-x64
1Ro-exec/De...gs.vbs
windows11-21h2-x64
1Ro-exec/RE...c).txt
windows11-21h2-x64
3Ro-exec/dControl.ini
windows11-21h2-x64
3Ro-exec/defcon.exe
windows11-21h2-x64
7out.exe
windows11-21h2-x64
3Ro-exec/ezdebug.png
windows11-21h2-x64
3Ro-exec/lo...pd.exe
windows11-21h2-x64
10Analysis
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max time kernel
1800s -
max time network
1805s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
14-04-2024 13:54
Behavioral task
behavioral1
Sample
LzFE9kDPVuOiAHeAkCumoRWhFzAt55DFiHAEX8Z8.zip
Resource
win11-20240412-en
Behavioral task
behavioral2
Sample
Ro-exec/Defender_Settings.vbs
Resource
win11-20240412-en
Behavioral task
behavioral3
Sample
Ro-exec/READ ME (ro-exec).txt
Resource
win11-20240412-en
Behavioral task
behavioral4
Sample
Ro-exec/dControl.ini
Resource
win11-20240412-en
Behavioral task
behavioral5
Sample
Ro-exec/defcon.exe
Resource
win11-20240412-en
Behavioral task
behavioral6
Sample
out.exe
Resource
win11-20240412-en
Behavioral task
behavioral7
Sample
Ro-exec/ezdebug.png
Resource
win11-20240412-en
Behavioral task
behavioral8
Sample
Ro-exec/loader-upd.exe
Resource
win11-20240412-en
General
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Target
Ro-exec/loader-upd.exe
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Size
70KB
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MD5
573bd20fc8382d92a7ae9eae51e738e3
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SHA1
55006093429df791f27e91a66e5ee63a81382b28
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SHA256
09036ffa342f9e5bb1e31a867dcc3b60db011baba8c0d202aff1d33195cbe729
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SHA512
d38736acff4128d6ce9ea17ee609ca33a37ac88f2c994cf4caf7f0eb62406a8963c33531b9f3cd020974d892c2751f3a4f67ce13ed6ba6080f97c406ccbb4aca
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SSDEEP
1536:PmMfwrNATngx6fPLgD9vYebv2S5NiwWW6N9dOoihkAO:LCmn463UD6ebv242FzOoiSAO
Malware Config
Extracted
xworm
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Install_directory
%Public%
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install_file
svchost.exe
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pastebin_url
https://pastebin.com/raw/UWpQULMP
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral8/memory/848-0-0x00000000008F0000-0x0000000000908000-memory.dmp family_xworm behavioral8/files/0x000900000002a9f3-68.dat family_xworm -
Executes dropped EXE 29 IoCs
pid Process 2396 svchost.exe 1624 svchost.exe 3384 svchost.exe 2636 svchost.exe 5108 svchost.exe 3568 svchost.exe 4996 svchost.exe 2392 svchost.exe 4196 svchost.exe 4716 svchost.exe 2656 svchost.exe 960 svchost.exe 2812 svchost.exe 5088 svchost.exe 1876 svchost.exe 3452 svchost.exe 3092 svchost.exe 4680 svchost.exe 2028 svchost.exe 2312 svchost.exe 408 svchost.exe 1736 svchost.exe 1324 svchost.exe 4456 svchost.exe 4316 svchost.exe 1412 svchost.exe 2332 svchost.exe 2740 svchost.exe 4004 svchost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Public\\svchost.exe" loader-upd.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 2 pastebin.com 103 0.tcp.eu.ngrok.io 104 0.tcp.eu.ngrok.io 1 pastebin.com 1 0.tcp.eu.ngrok.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4432 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 848 loader-upd.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 4028 powershell.exe 4028 powershell.exe 4584 powershell.exe 4584 powershell.exe 856 powershell.exe 856 powershell.exe 2128 powershell.exe 2128 powershell.exe 848 loader-upd.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 848 loader-upd.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 848 loader-upd.exe Token: SeDebugPrivilege 2396 svchost.exe Token: SeDebugPrivilege 1624 svchost.exe Token: SeDebugPrivilege 3384 svchost.exe Token: SeDebugPrivilege 2636 svchost.exe Token: SeDebugPrivilege 5108 svchost.exe Token: SeDebugPrivilege 3568 svchost.exe Token: SeDebugPrivilege 4996 svchost.exe Token: SeDebugPrivilege 2392 svchost.exe Token: SeDebugPrivilege 4196 svchost.exe Token: SeDebugPrivilege 4716 svchost.exe Token: SeDebugPrivilege 2656 svchost.exe Token: SeDebugPrivilege 960 svchost.exe Token: SeDebugPrivilege 2812 svchost.exe Token: SeDebugPrivilege 5088 svchost.exe Token: SeDebugPrivilege 1876 svchost.exe Token: SeDebugPrivilege 3452 svchost.exe Token: SeDebugPrivilege 3092 svchost.exe Token: SeDebugPrivilege 4680 svchost.exe Token: SeDebugPrivilege 2028 svchost.exe Token: SeDebugPrivilege 2312 svchost.exe Token: SeDebugPrivilege 408 svchost.exe Token: SeDebugPrivilege 1736 svchost.exe Token: SeDebugPrivilege 1324 svchost.exe Token: SeDebugPrivilege 4456 svchost.exe Token: SeDebugPrivilege 4316 svchost.exe Token: SeDebugPrivilege 1412 svchost.exe Token: SeDebugPrivilege 2332 svchost.exe Token: SeDebugPrivilege 2740 svchost.exe Token: SeDebugPrivilege 4004 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 848 loader-upd.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 848 wrote to memory of 4028 848 loader-upd.exe 77 PID 848 wrote to memory of 4028 848 loader-upd.exe 77 PID 848 wrote to memory of 4584 848 loader-upd.exe 79 PID 848 wrote to memory of 4584 848 loader-upd.exe 79 PID 848 wrote to memory of 856 848 loader-upd.exe 81 PID 848 wrote to memory of 856 848 loader-upd.exe 81 PID 848 wrote to memory of 2128 848 loader-upd.exe 83 PID 848 wrote to memory of 2128 848 loader-upd.exe 83 PID 848 wrote to memory of 4432 848 loader-upd.exe 85 PID 848 wrote to memory of 4432 848 loader-upd.exe 85 -
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
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C:\Users\Admin\AppData\Local\Temp\Ro-exec\loader-upd.exe"C:\Users\Admin\AppData\Local\Temp\Ro-exec\loader-upd.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Ro-exec\loader-upd.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'loader-upd.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4584
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\svchost.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Public\svchost.exe"2⤵
- Creates scheduled task(s)
PID:4432
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2396
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1624
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3384
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2636
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5108
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3568
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4996
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4196
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4716
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2656
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:960
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2812
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5088
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1876
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3452
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3092
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4680
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2028
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2312
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:408
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1736
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1324
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4456
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4316
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1412
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2332
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2740
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C:\Users\Public\svchost.exeC:\Users\Public\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4004
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5627073ee3ca9676911bee35548eff2b8
SHA14c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA25685b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA5123c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
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Filesize
654B
MD52cbbb74b7da1f720b48ed31085cbd5b8
SHA179caa9a3ea8abe1b9c4326c3633da64a5f724964
SHA256e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
SHA512ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9
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Filesize
944B
MD56903d57eed54e89b68ebb957928d1b99
SHA1fade011fbf2e4bc044d41e380cf70bd6a9f73212
SHA25636cbb00b016c9f97645fb628ef72b524dfbdf6e08d626e5c837bbbb9075dcb52
SHA512c192ea9810fd22de8378269235c1035aa1fe1975a53c876fe4a7acc726c020f94773c21e4e4771133f9fcedb0209f0a5324c594c1db5b28fe1b27644db4fdc9e
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Filesize
944B
MD5d0697ff5fb3eb27d35e690fc135f5db0
SHA1e0f0a22689a15af3e11be316de1e255b5e1bbd55
SHA2564f1b596e3ac426426ebd29f9f8df3a2259c967fd5bfdd37bc1a958f36619b607
SHA51255f279a037f5b7a1cdb0bb938c0347a8e950fe394a43b6ad9bf21b61ad3a7acd1fda597682499c2cbfce41ad91858a550e50796293f5c04a4c785eea5c278a43
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Filesize
944B
MD5cef328ddb1ee8916e7a658919323edd8
SHA1a676234d426917535e174f85eabe4ef8b88256a5
SHA256a1b5b7ada8ebc910f20f91ada3991d3321104e9da598c958b1edac9f9aca0e90
SHA512747400c20ca5b5fd1b54bc24e75e6a78f15af61df263be932d2ee7b2f34731c2de8ce03b2706954fb098c1ac36f0b761cf37e418738fa91f2a8ea78572f545cb
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
70KB
MD5573bd20fc8382d92a7ae9eae51e738e3
SHA155006093429df791f27e91a66e5ee63a81382b28
SHA25609036ffa342f9e5bb1e31a867dcc3b60db011baba8c0d202aff1d33195cbe729
SHA512d38736acff4128d6ce9ea17ee609ca33a37ac88f2c994cf4caf7f0eb62406a8963c33531b9f3cd020974d892c2751f3a4f67ce13ed6ba6080f97c406ccbb4aca