xworm | 142dce4d50bffc85131e35fa916425b5cfc94b7758c7ecf5588a3791efa72d71

General

Target

gfdgfdg.exe
Size

55KB
MD5

ec7118f4d87eb6f7345c736c6518b731
SHA1

7c98568b3ac601e29c09d589771c6d4fa22dac97
SHA256

142dce4d50bffc85131e35fa916425b5cfc94b7758c7ecf5588a3791efa72d71
SHA512

bc444358189e20b6c7f741dc1126f8035fb4b0b03e8bc0ce5dec30b6b373b5534afd7681d04ed1c7fa21a347bcfc74e26892661d6e4f717668c28d5282164db3
SSDEEP

1536:aqdMs+GT6wUUfjZ7p+bexQV6EO7HpPMm:0UrP+bexgO7H+m

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

award-nails.gl.at.ply.gg:43867

Attributes

Install_directory
%Temp%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4016-1-0x00000000005A0000-0x00000000005B4000-memory.dmp	family_xworm

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

execution

PowerShell

T1059.001

pid	Process
1104	powershell.exe
2980	powershell.exe
3768	powershell.exe
4636	powershell.exe

Drops startup file 2 IoCs

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1104	powershell.exe
1104	powershell.exe
2980	powershell.exe
2980	powershell.exe
3768	powershell.exe
3768	powershell.exe
4636	powershell.exe
4636	powershell.exe
4016	gfdgfdg.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	gfdgfdg.exe
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeDebugPrivilege	2980	powershell.exe
Token: SeDebugPrivilege	3768	powershell.exe
Token: SeDebugPrivilege	4636	powershell.exe
Token: SeDebugPrivilege	4016	gfdgfdg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4016	gfdgfdg.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 1104	4016	gfdgfdg.exe	81
PID 4016 wrote to memory of 1104	4016	gfdgfdg.exe	81
PID 4016 wrote to memory of 2980	4016	gfdgfdg.exe	83
PID 4016 wrote to memory of 2980	4016	gfdgfdg.exe	83
PID 4016 wrote to memory of 3768	4016	gfdgfdg.exe	85
PID 4016 wrote to memory of 3768	4016	gfdgfdg.exe	85
PID 4016 wrote to memory of 4636	4016	gfdgfdg.exe	87
PID 4016 wrote to memory of 4636	4016	gfdgfdg.exe	87

C:\Users\Admin\AppData\Local\Temp\gfdgfdg.exe
"C:\Users\Admin\AppData\Local\Temp\gfdgfdg.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016
- 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\gfdgfdg.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gfdgfdg.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2980
- 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\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3768
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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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
80707036df540b6657f9d443b449e3c3

SHA1
b3e7d5d97274942164bf93c8c4b8a9b68713f46f

SHA256
6651e5f976619cef991deef61776cf43d4c4b3d7c551dd2192b647df71586ab0

SHA512
65e41e9e730fed4f7a7d3f6f35875a16948b897f87c8c70b371fd0ac7f0951814f6a75e7698665194bbc65a3665a684e7be229e7e24193b50483ae7e55eebf4f

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

Filesize
944B

MD5
e47c3fa11e796c492a8388c946bf1636

SHA1
4a090378f0db26c6f019c9203f5b27f12fa865c7

SHA256
4bb861850395dcc3bec4691e8b9f0fa733b8a2d568d460a9201d65250b12fee1

SHA512
8d4af4eba3019cd060561f42cff11374eafe59da5e5ad677e41d0b9198b87d6d13706e760d13c70574ed1384993a1597f886d21fe6ecd0186379a1e93db30695

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tkdoc1og.ywz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1104-11-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/1104-13-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/1104-14-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/1104-15-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/1104-18-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/1104-12-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/1104-10-0x0000020AD5EB0000-0x0000020AD5ED2000-memory.dmp

Filesize
136KB

Download
memory/4016-0-0x00007FFF923D3000-0x00007FFF923D5000-memory.dmp

Filesize
8KB

Download
memory/4016-1-0x00000000005A0000-0x00000000005B4000-memory.dmp

Filesize
80KB

Download
memory/4016-54-0x00007FFF923D3000-0x00007FFF923D5000-memory.dmp

Filesize
8KB

Download
memory/4016-55-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/4016-56-0x00007FFF923D0000-0x00007FFF92E92000-memory.dmp

Filesize
10.8MB

Download
memory/4016-57-0x0000000000F80000-0x0000000000F8C000-memory.dmp

Filesize
48KB

Download

Analysis

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