xworm | 69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63

General

Target

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
Size

40KB
MD5

e5cb8c66cab6a972529a85480b9881bc
SHA1

58eb0e24f0eb4865838d307df886d2b40bfb77cd
SHA256

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63
SHA512

6c049e084e00eea72b3b78480fb79879c8c961d188178b3c59211bbc69ab25deaf88453dc1f4ec23c08ee80e452a453464780193e849121f2f625f96f0dd26f3
SSDEEP

768:uNfPMSk3K/EzTb/0x8WuFZ4lJF5PC9O9EB68OMh63/aO:uf05a/CTjM89UFc9UEB68OMsx

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

45.141.26.119:1996

Mutex

wHK5NlknpAL3Lk1X

Attributes

Install_directory
%AppData%
install_file
csrss.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5016-1-0x0000000000800000-0x0000000000810000-memory.dmp	family_xworm

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

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

1916 powershell.exe
4976 powershell.exe
4248 powershell.exe
2012 powershell.exe

Drops startup file 2 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

System Information Discovery
T1082

flow	ioc
1	ip-api.com

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

pid	process
1916	powershell.exe
1916	powershell.exe
4976	powershell.exe
4976	powershell.exe
4248	powershell.exe
4248	powershell.exe
2012	powershell.exe
2012	powershell.exe
5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
Token: SeDebugPrivilege	1916	powershell.exe
Token: SeDebugPrivilege	4976	powershell.exe
Token: SeDebugPrivilege	4248	powershell.exe
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

pid process

5016 69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

pid	process
5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe

description	pid	process	target process
PID 5016 wrote to memory of 1916	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 1916	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 4976	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 4976	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 4248	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 4248	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 2012	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe
PID 5016 wrote to memory of 2012	5016	69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe
"C:\Users\Admin\AppData\Local\Temp\69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016

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\69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4976

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\csrss.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'csrss.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2012

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
051a74485331f9d9f5014e58ec71566c

SHA1
4ed0256a84f2e95609a0b4d5c249bca624db8fe4

SHA256
3f67e4ba795fd89d33e9a1fe7547e297a82ae50b8f25eedc2b33a27866b28888

SHA512
1f15fd8ca727b198495ef826002c1cbcc63e98eecb2e92abff48354ae668e6c3aaf9bd3005664967ae75637bacee7e730ce36142483d08ae6a068d9ae3e0e17d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
781da0576417bf414dc558e5a315e2be

SHA1
215451c1e370be595f1c389f587efeaa93108b4c

SHA256
41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe

SHA512
24e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_41szf5pm.a2m.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1916-13-0x0000026FCB780000-0x0000026FCB7A2000-memory.dmp

Filesize
136KB

Download
memory/1916-4-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/1916-14-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/1916-15-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/1916-18-0x0000026FE3DC0000-0x0000026FE3F0F000-memory.dmp

Filesize
1.3MB

Download
memory/1916-20-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/1916-19-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/1916-3-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/2012-54-0x00000280CCA60000-0x00000280CCBAF000-memory.dmp

Filesize
1.3MB

Download
memory/4248-43-0x0000020DB4A00000-0x0000020DB4B4F000-memory.dmp

Filesize
1.3MB

Download
memory/4976-32-0x0000024EEECF0000-0x0000024EEEE3F000-memory.dmp

Filesize
1.3MB

Download
memory/5016-0-0x00007FF887AD3000-0x00007FF887AD5000-memory.dmp

Filesize
8KB

Download
memory/5016-2-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download
memory/5016-1-0x0000000000800000-0x0000000000810000-memory.dmp

Filesize
64KB

Download
memory/5016-59-0x00007FF887AD3000-0x00007FF887AD5000-memory.dmp

Filesize
8KB

Download
memory/5016-60-0x00007FF887AD0000-0x00007FF888592000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads