xworm | b40c5e0c9e7fc8cc0fe7d2f1ead00295df5341c4fb9d59a277575450038aad2d

Analysis

max time kernel
128s
max time network
148s
platform
windows10-1703_x64
resource
win10-20230703-en
resource tags

arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
submitted
29/08/2023, 20:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Kaught.exe
Size

63KB
MD5

24d062abf47e76a592996e57e4146a4c
SHA1

99c4fee76e22523d9d03189f5e65295f51aeb0b1
SHA256

b40c5e0c9e7fc8cc0fe7d2f1ead00295df5341c4fb9d59a277575450038aad2d
SHA512

56dc50182d4fae3ad50d05656bb0a5ca3d14e71a37efe0fb84ca3fb28a48c471732251df0e4959efd32884b5c59aa06db8978210dc7d00ab40f03c4ca40b8f40
SSDEEP

1536:WSKfMqlTPADtRxNqDN06Zb7R84n4RLVA6NDO5D3Cr:WSKUqonxNsbZb7gVzDO5Dyr

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Kaught-53088.portmap.host:53088

Attributes

install_file
spoofer.exe

Signatures

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaught.lnk	Kaught.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaught.lnk	Kaught.exe

Executes dropped EXE 2 IoCs

pid	Process
4800	Kaught.exe
4684	Kaught.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-488886677-2269338296-1239465872-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kaught = "C:\\Users\\Admin\\Kaught.exe"	Kaught.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2740	powershell.exe
2740	powershell.exe
2740	powershell.exe
2212	powershell.exe
2212	powershell.exe
2212	powershell.exe
4440	powershell.exe
4440	powershell.exe
4440	powershell.exe
372	Kaught.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	Kaught.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeIncreaseQuotaPrivilege	2740	powershell.exe
Token: SeSecurityPrivilege	2740	powershell.exe
Token: SeTakeOwnershipPrivilege	2740	powershell.exe
Token: SeLoadDriverPrivilege	2740	powershell.exe
Token: SeSystemProfilePrivilege	2740	powershell.exe
Token: SeSystemtimePrivilege	2740	powershell.exe
Token: SeProfSingleProcessPrivilege	2740	powershell.exe
Token: SeIncBasePriorityPrivilege	2740	powershell.exe
Token: SeCreatePagefilePrivilege	2740	powershell.exe
Token: SeBackupPrivilege	2740	powershell.exe
Token: SeRestorePrivilege	2740	powershell.exe
Token: SeShutdownPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeSystemEnvironmentPrivilege	2740	powershell.exe
Token: SeRemoteShutdownPrivilege	2740	powershell.exe
Token: SeUndockPrivilege	2740	powershell.exe
Token: SeManageVolumePrivilege	2740	powershell.exe
Token: 33	2740	powershell.exe
Token: 34	2740	powershell.exe
Token: 35	2740	powershell.exe
Token: 36	2740	powershell.exe
Token: SeDebugPrivilege	2212	powershell.exe
Token: SeIncreaseQuotaPrivilege	2212	powershell.exe
Token: SeSecurityPrivilege	2212	powershell.exe
Token: SeTakeOwnershipPrivilege	2212	powershell.exe
Token: SeLoadDriverPrivilege	2212	powershell.exe
Token: SeSystemProfilePrivilege	2212	powershell.exe
Token: SeSystemtimePrivilege	2212	powershell.exe
Token: SeProfSingleProcessPrivilege	2212	powershell.exe
Token: SeIncBasePriorityPrivilege	2212	powershell.exe
Token: SeCreatePagefilePrivilege	2212	powershell.exe
Token: SeBackupPrivilege	2212	powershell.exe
Token: SeRestorePrivilege	2212	powershell.exe
Token: SeShutdownPrivilege	2212	powershell.exe
Token: SeDebugPrivilege	2212	powershell.exe
Token: SeSystemEnvironmentPrivilege	2212	powershell.exe
Token: SeRemoteShutdownPrivilege	2212	powershell.exe
Token: SeUndockPrivilege	2212	powershell.exe
Token: SeManageVolumePrivilege	2212	powershell.exe
Token: 33	2212	powershell.exe
Token: 34	2212	powershell.exe
Token: 35	2212	powershell.exe
Token: 36	2212	powershell.exe
Token: SeDebugPrivilege	4440	powershell.exe
Token: SeIncreaseQuotaPrivilege	4440	powershell.exe
Token: SeSecurityPrivilege	4440	powershell.exe
Token: SeTakeOwnershipPrivilege	4440	powershell.exe
Token: SeLoadDriverPrivilege	4440	powershell.exe
Token: SeSystemProfilePrivilege	4440	powershell.exe
Token: SeSystemtimePrivilege	4440	powershell.exe
Token: SeProfSingleProcessPrivilege	4440	powershell.exe
Token: SeIncBasePriorityPrivilege	4440	powershell.exe
Token: SeCreatePagefilePrivilege	4440	powershell.exe
Token: SeBackupPrivilege	4440	powershell.exe
Token: SeRestorePrivilege	4440	powershell.exe
Token: SeShutdownPrivilege	4440	powershell.exe
Token: SeDebugPrivilege	4440	powershell.exe
Token: SeSystemEnvironmentPrivilege	4440	powershell.exe
Token: SeRemoteShutdownPrivilege	4440	powershell.exe
Token: SeUndockPrivilege	4440	powershell.exe
Token: SeManageVolumePrivilege	4440	powershell.exe
Token: 33	4440	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
372	Kaught.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 2740	372	Kaught.exe	70
PID 372 wrote to memory of 2740	372	Kaught.exe	70
PID 372 wrote to memory of 2212	372	Kaught.exe	73
PID 372 wrote to memory of 2212	372	Kaught.exe	73
PID 372 wrote to memory of 4440	372	Kaught.exe	75
PID 372 wrote to memory of 4440	372	Kaught.exe	75
PID 372 wrote to memory of 4144	372	Kaught.exe	77
PID 372 wrote to memory of 4144	372	Kaught.exe	77

C:\Users\Admin\AppData\Local\Temp\Kaught.exe
"C:\Users\Admin\AppData\Local\Temp\Kaught.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:372
- 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\Kaught.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Kaught.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2212
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Kaught.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4440
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Kaught" /tr "C:\Users\Admin\Kaught.exe"
  2⤵
  - Creates scheduled task(s)
  PID:4144

C:\Users\Admin\Kaught.exe
C:\Users\Admin\Kaught.exe
1⤵
- Executes dropped EXE
PID:4800

C:\Users\Admin\Kaught.exe
C:\Users\Admin\Kaught.exe
1⤵
- Executes dropped EXE
PID:4684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Kaught.exe.log

Filesize
654B

MD5
16c5fce5f7230eea11598ec11ed42862

SHA1
75392d4824706090f5e8907eee1059349c927600

SHA256
87ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151

SHA512
153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
8592ba100a78835a6b94d5949e13dfc1

SHA1
63e901200ab9a57c7dd4c078d7f75dcd3b357020

SHA256
fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c

SHA512
87f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
22d2015204e662c4e966a798855d2385

SHA1
3dc128d1e88b884a8b0cd5966e6437e73b4b1e0c

SHA256
5a8d41756b0b84a38d989a937ced9a0a907af2ea46851eb111f5dcf56056afdb

SHA512
56391d321f6402251146b18267a86b81d8c222cf9901606d51472578931acb92156463946ec0705524c01348dc7a415519723f0db611564300c709deacb2f3be

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
d57613dc4f15067cb0105ecd16803368

SHA1
e156381a2b061ed90903697488775d989c689c44

SHA256
86a29cdf6eed9002cfe6f01183137a0a17b9d57908deb77782137f0cc6e5d3e0

SHA512
715470b2ca4b0ac6af09ca29c7be0a7e56307f79d1c9a48b6c6db0c15c219347cc03b3502d552e5dd724eddee4e48d2616b07fd2348c7e070001b63e2b04eeae

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bd2b0aw1.l5k.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\Kaught.exe

Filesize
63KB

MD5
24d062abf47e76a592996e57e4146a4c

SHA1
99c4fee76e22523d9d03189f5e65295f51aeb0b1

SHA256
b40c5e0c9e7fc8cc0fe7d2f1ead00295df5341c4fb9d59a277575450038aad2d

SHA512
56dc50182d4fae3ad50d05656bb0a5ca3d14e71a37efe0fb84ca3fb28a48c471732251df0e4959efd32884b5c59aa06db8978210dc7d00ab40f03c4ca40b8f40

Download Submit
C:\Users\Admin\Kaught.exe

Filesize
63KB

MD5
24d062abf47e76a592996e57e4146a4c

SHA1
99c4fee76e22523d9d03189f5e65295f51aeb0b1

SHA256
b40c5e0c9e7fc8cc0fe7d2f1ead00295df5341c4fb9d59a277575450038aad2d

SHA512
56dc50182d4fae3ad50d05656bb0a5ca3d14e71a37efe0fb84ca3fb28a48c471732251df0e4959efd32884b5c59aa06db8978210dc7d00ab40f03c4ca40b8f40

Download Submit
C:\Users\Admin\Kaught.exe

Filesize
63KB

MD5
24d062abf47e76a592996e57e4146a4c

SHA1
99c4fee76e22523d9d03189f5e65295f51aeb0b1

SHA256
b40c5e0c9e7fc8cc0fe7d2f1ead00295df5341c4fb9d59a277575450038aad2d

SHA512
56dc50182d4fae3ad50d05656bb0a5ca3d14e71a37efe0fb84ca3fb28a48c471732251df0e4959efd32884b5c59aa06db8978210dc7d00ab40f03c4ca40b8f40

Download Submit
C:\Users\Admin\Kaught.exe

Filesize
63KB

MD5
24d062abf47e76a592996e57e4146a4c

SHA1
99c4fee76e22523d9d03189f5e65295f51aeb0b1

SHA256
b40c5e0c9e7fc8cc0fe7d2f1ead00295df5341c4fb9d59a277575450038aad2d

SHA512
56dc50182d4fae3ad50d05656bb0a5ca3d14e71a37efe0fb84ca3fb28a48c471732251df0e4959efd32884b5c59aa06db8978210dc7d00ab40f03c4ca40b8f40

Download Submit
memory/372-161-0x000000001B7A0000-0x000000001B7B0000-memory.dmp

Filesize
64KB

Download
memory/372-162-0x000000001B7A0000-0x000000001B7B0000-memory.dmp

Filesize
64KB

Download
memory/372-1-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/372-0-0x0000000000AD0000-0x0000000000AE6000-memory.dmp

Filesize
88KB

Download
memory/372-56-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/2212-100-0x000001E925260000-0x000001E925270000-memory.dmp

Filesize
64KB

Download
memory/2212-61-0x000001E925260000-0x000001E925270000-memory.dmp

Filesize
64KB

Download
memory/2212-60-0x000001E925260000-0x000001E925270000-memory.dmp

Filesize
64KB

Download
memory/2212-77-0x000001E925260000-0x000001E925270000-memory.dmp

Filesize
64KB

Download
memory/2212-58-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/2212-103-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-5-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-25-0x0000021A8B610000-0x0000021A8B620000-memory.dmp

Filesize
64KB

Download
memory/2740-7-0x0000021A8B610000-0x0000021A8B620000-memory.dmp

Filesize
64KB

Download
memory/2740-52-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-8-0x0000021A8B610000-0x0000021A8B620000-memory.dmp

Filesize
64KB

Download
memory/2740-9-0x0000021A8B4A0000-0x0000021A8B4C2000-memory.dmp

Filesize
136KB

Download
memory/2740-12-0x0000021AA3B80000-0x0000021AA3BF6000-memory.dmp

Filesize
472KB

Download
memory/2740-48-0x0000021A8B610000-0x0000021A8B620000-memory.dmp

Filesize
64KB

Download
memory/4440-106-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/4440-152-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/4440-149-0x00000276C9730000-0x00000276C9740000-memory.dmp

Filesize
64KB

Download
memory/4440-126-0x00000276C9730000-0x00000276C9740000-memory.dmp

Filesize
64KB

Download
memory/4440-110-0x00000276C9730000-0x00000276C9740000-memory.dmp

Filesize
64KB

Download
memory/4440-108-0x00000276C9730000-0x00000276C9740000-memory.dmp

Filesize
64KB

Download
memory/4684-171-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/4684-172-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/4800-165-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download
memory/4800-167-0x00007FFA24730000-0x00007FFA2511C000-memory.dmp

Filesize
9.9MB

Download