Analysis
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max time kernel
117s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 04:08
Static task
static1
Behavioral task
behavioral1
Sample
c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe
Resource
win10v2004-20241007-en
General
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Target
c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe
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Size
159KB
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MD5
f3b25838fa8d402f6c93ddd23979b810
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SHA1
3935445639b0373ff59c5406315a480678e80f9e
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SHA256
c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395c
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SHA512
a66f7dbb3726a6fd116f6cb9229fb9f06879bdf9e5a550bd64582fded71d9d9433fbf71b754f598f550436badfdae62a6d6ff7e1ac91c41c203162280c583715
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SSDEEP
3072:0325N7aVopufIeZuVGoFkfAylFYOKYoGCllFhdoH3hZ9Roe2eX9px:j1U8peZuVDRkClAXhT2eF9
Malware Config
Extracted
xworm
indian-tall.gl.at.ply.gg:65520
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Install_directory
%AppData%
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install_file
keyauth.exe
Signatures
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Detect Xworm Payload 4 IoCs
resource yara_rule behavioral2/files/0x000c000000023b71-7.dat family_xworm behavioral2/files/0x0007000000023c67-23.dat family_xworm behavioral2/memory/3480-25-0x0000000000D20000-0x0000000000D3A000-memory.dmp family_xworm behavioral2/memory/3956-29-0x0000000000E40000-0x0000000000E58000-memory.dmp family_xworm -
Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4888 powershell.exe 180 powershell.exe 2964 powershell.exe 1592 powershell.exe 2508 powershell.exe 3296 powershell.exe 4224 powershell.exe 2404 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation XwormLoader.exe Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation xclient.exe Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XwormLoader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XwormLoader.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\keyauth.lnk xclient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\keyauth.lnk xclient.exe -
Executes dropped EXE 4 IoCs
pid Process 3480 XwormLoader.exe 3956 xclient.exe 3564 keyauth.exe 4732 keyauth.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\keyauth = "C:\\Users\\Admin\\AppData\\Roaming\\keyauth.exe" xclient.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 33 IoCs
flow ioc 30 pastebin.com 49 pastebin.com 52 pastebin.com 74 pastebin.com 13 pastebin.com 22 pastebin.com 35 pastebin.com 62 pastebin.com 86 pastebin.com 87 pastebin.com 89 pastebin.com 17 pastebin.com 48 pastebin.com 54 pastebin.com 84 pastebin.com 44 pastebin.com 61 pastebin.com 85 pastebin.com 47 pastebin.com 51 pastebin.com 63 pastebin.com 64 pastebin.com 88 pastebin.com 69 pastebin.com 77 pastebin.com 82 pastebin.com 25 pastebin.com 53 pastebin.com 55 pastebin.com 59 pastebin.com 14 pastebin.com 29 pastebin.com 81 pastebin.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2464 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 3320 powershell.exe 3320 powershell.exe 3296 powershell.exe 2508 powershell.exe 3296 powershell.exe 2508 powershell.exe 2404 powershell.exe 4224 powershell.exe 2404 powershell.exe 4224 powershell.exe 4888 powershell.exe 180 powershell.exe 4888 powershell.exe 180 powershell.exe 1592 powershell.exe 2964 powershell.exe 1592 powershell.exe 2964 powershell.exe 3956 xclient.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 3480 XwormLoader.exe Token: SeDebugPrivilege 3956 xclient.exe Token: SeDebugPrivilege 3320 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 180 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 3956 xclient.exe Token: SeDebugPrivilege 3564 keyauth.exe Token: SeDebugPrivilege 4732 keyauth.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3956 xclient.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3672 wrote to memory of 3320 3672 c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe 83 PID 3672 wrote to memory of 3320 3672 c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe 83 PID 3672 wrote to memory of 3480 3672 c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe 85 PID 3672 wrote to memory of 3480 3672 c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe 85 PID 3672 wrote to memory of 3956 3672 c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe 86 PID 3672 wrote to memory of 3956 3672 c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe 86 PID 3956 wrote to memory of 2508 3956 xclient.exe 88 PID 3956 wrote to memory of 2508 3956 xclient.exe 88 PID 3480 wrote to memory of 3296 3480 XwormLoader.exe 89 PID 3480 wrote to memory of 3296 3480 XwormLoader.exe 89 PID 3956 wrote to memory of 2404 3956 xclient.exe 92 PID 3956 wrote to memory of 2404 3956 xclient.exe 92 PID 3480 wrote to memory of 4224 3480 XwormLoader.exe 93 PID 3480 wrote to memory of 4224 3480 XwormLoader.exe 93 PID 3956 wrote to memory of 4888 3956 xclient.exe 96 PID 3956 wrote to memory of 4888 3956 xclient.exe 96 PID 3480 wrote to memory of 180 3480 XwormLoader.exe 97 PID 3480 wrote to memory of 180 3480 XwormLoader.exe 97 PID 3480 wrote to memory of 1592 3480 XwormLoader.exe 100 PID 3480 wrote to memory of 1592 3480 XwormLoader.exe 100 PID 3956 wrote to memory of 2964 3956 xclient.exe 101 PID 3956 wrote to memory of 2964 3956 xclient.exe 101 PID 3956 wrote to memory of 2464 3956 xclient.exe 104 PID 3956 wrote to memory of 2464 3956 xclient.exe 104 -
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\c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe"C:\Users\Admin\AppData\Local\Temp\c1378ff7aaacea446762f5878ec501260bcdeb869e06a8f0a25845845183395cN.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHkAcgB0ACMAPgBBAGQAZAAtAFQAeQBwAGUAIAAtAEEAcwBzAGUAbQBiAGwAeQBOAGEAbQBlACAAUwB5AHMAdABlAG0ALgBXAGkAbgBkAG8AdwBzAC4ARgBvAHIAbQBzADsAPAAjAHcAeAB5ACMAPgBbAFMAeQBzAHQAZQBtAC4AVwBpAG4AZABvAHcAcwAuAEYAbwByAG0AcwAuAE0AZQBzAHMAYQBnAGUAQgBvAHgAXQA6ADoAUwBoAG8AdwAoACcARQByAHIAbwByAF8AYwBvAGQAZQBfADAAeAAxACcALAAnACcALAAnAE8ASwAnACwAJwBFAHIAcgBvAHIAJwApADwAIwB2AHcAZwAjAD4A"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3320
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C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
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\XwormLoader.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3296
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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 'XwormLoader.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224
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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\Admin\AppData\Local\Temp\XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:180
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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 'XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1592
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C:\Users\Admin\AppData\Local\Temp\xclient.exe"C:\Users\Admin\AppData\Local\Temp\xclient.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3956 -
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\xclient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508
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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 'xclient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404
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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\Admin\AppData\Roaming\keyauth.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4888
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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 'keyauth.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "keyauth" /tr "C:\Users\Admin\AppData\Roaming\keyauth.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2464
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C:\Users\Admin\AppData\Roaming\keyauth.exeC:\Users\Admin\AppData\Roaming\keyauth.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3564
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C:\Users\Admin\AppData\Roaming\keyauth.exeC:\Users\Admin\AppData\Roaming\keyauth.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4732
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD547605a4dda32c9dff09a9ca441417339
SHA14f68c895c35b0dc36257fc8251e70b968c560b62
SHA256e6254c2bc9846a76a4567ab91b6eae76e937307ff9301b65d577ffe6e15fe40a
SHA512b6823b6e794a2fe3e4c4ecfb3f0d61a54821de7feb4f9e3e7fd463e7fbb5e6848f59865b487dafebeac431e4f4db81ef56836d94cac67da39852c566ed34a885
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Filesize
1KB
MD592830f483efdb710c3e2312b0595cf21
SHA19dd6a57c28a72484911f95a01295ca7b8326bcd5
SHA25607ca16ed87d5f40c6a8619451af7103d40202036742a86281577c508ced7c1c8
SHA5129d5e1f2798b21cf7116c0477117f1b9558f298a8f61a9e5bd8460cc063816b43b72e47a09ef3cfb4766afd65f078606b754e1a4485cbc0361f0f555e979c5e80
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD522310ad6749d8cc38284aa616efcd100
SHA1440ef4a0a53bfa7c83fe84326a1dff4326dcb515
SHA25655b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf
SHA5122ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def
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Filesize
77KB
MD5e7525a2d46d78f6ea17a3c32815cc1a2
SHA1734b924697ddfd032ae0f2467b404b91650d72f3
SHA256c388c156025273419447629bfb28728b32c785a47968c7bce227adb31a66ffa3
SHA512cb38565d63a429517493a5093ab93861744b4584594221c7fb558e9f5832b3feaf3f52f902079f7e7299ce2008fa03cb1ff59118469ce6461d9319ae2d5b2d34
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
74KB
MD58f0fab5837f63b48e3d0bf98013ecde6
SHA103e392b90a808f77595f571dd01c8ce864e87d2c
SHA256703c26b59e5eefc02cc93db1f440a7ed273cdb8928f082105f41120adc41964d
SHA512d980674a3343c51c77b8a05b264e2c01a38f8e4ffa300763dbb2ff11e66dcce0555437e5b4ced5a6fffd0793577c9c816403987b5affccf1639bbf1338f7884d