Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 12:52
Static task
static1
Behavioral task
behavioral1
Sample
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe
Resource
win7-20240221-en
General
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Target
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe
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Size
516KB
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MD5
ae18fe8ea57bf020d7471c6a6132c06a
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SHA1
4f12697ac3205690edd4b3b2cb24306ca6107597
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SHA256
45434befb4ed9537e306b346f7ca303e5c01f0c288378695278c8c2dd82e626a
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SHA512
52d9166895efc0020b45998185a6616519582941a34e18be19252e592c38510d280ecc4206c2e6abf6103bd04de423f073b2db2e581ec9b7df7f5c966bc3da5e
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SSDEEP
12288:oPOt06hFiwaFurxUAdGfulE/BgsY/lae:Zt02FiwaFrAdGfDY
Malware Config
Extracted
xworm
104.250.180.178:7061
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1424-10-0x0000000000400000-0x0000000000414000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2312 powershell.exe 4524 powershell.exe 4992 powershell.exe 3328 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Drops startup file 2 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription pid process target process PID 4436 set thread context of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeKAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepid process 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe 4524 powershell.exe 4524 powershell.exe 4524 powershell.exe 4992 powershell.exe 4992 powershell.exe 4992 powershell.exe 3328 powershell.exe 3328 powershell.exe 3328 powershell.exe 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeDebugPrivilege 3328 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepid process 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exeKAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription pid process target process PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 4436 wrote to memory of 1424 4436 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1424 wrote to memory of 2312 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 2312 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 2312 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 4524 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 4524 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 4524 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 4992 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 4992 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 4992 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 3328 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 3328 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1424 wrote to memory of 3328 1424 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"2⤵
- Checks computer location settings
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2312
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4524
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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C:\Windows\SysWOW64\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:3328
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1344 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:4860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5700c1cf4b766cd3237bda59056a7cf73
SHA1cd3db22bf4f394a3bce9b47dcc5632448aeb672b
SHA256d80bef77d8e44c57e3d02689ab8ca43fc991b805c7af58e3d69b9f71121831ff
SHA5125e4ff26fcf275eb445d954f3640a1ea605e6b8062ef98aea9d9761abfeebd6b6d4fa64eaf52ac7741447ababe7e76cec9e61dbe45a8fcc10266c3528207741e8
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Filesize
18KB
MD5e3b1f351de5029ec889f73b7396fc8bf
SHA1e444d3499d795246724a83ea66fc02df04ee039e
SHA2566caa198af46fff3ccbe5ebf79ae755f616ae7e2ddbae1be6207571753628f7a5
SHA512a8d05042317f6837324e710ce73f168f73791ac8921e524588b605c2c95fda52220f5589169beabf17d773cbae33348f83c7874dd2c77f55fa6117455a95400b
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Filesize
18KB
MD5be60db2bee5bd5e3b515f076c91bd848
SHA17b57880caa7226925dfce749b985c247822a895b
SHA25673d4a808e3a5ec65795ee8473118f49f6586d3d909c48dab8801c05863be42dc
SHA512b950aa7e2f5dae9d3079001242a0242986a393b04a92c00a80ac2a5ed953b1e82d563611f2d0d214d69384cff251c6f53f4a70cf97ccf97977f5514c3c136354
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82