xworm | 767ecfa3b914e4baa623bb8318f6aa946b47e134fc72633d4308a57a1e80762b

General

Target

nixware crack .exe
Size

41KB
MD5

c80090db736246d069fb59e82ac0a9b3
SHA1

5d2aa76651ee1c9ff47be57750f9cb9f1ea71082
SHA256

767ecfa3b914e4baa623bb8318f6aa946b47e134fc72633d4308a57a1e80762b
SHA512

9d84a6745bb1fbd9bdf68a64ce9b8fa843ccc7cff37113d140771147375afe760996a7150f68fc87caaf80d0dd8f0acbe395098415368db3373d6d77ad0a8634
SSDEEP

768:ahvGkOK5lJMU1BaeECAr43M4fJF5Pa9p+Ay6iOwhO3/mbu:aZzZ5lR147RrcRF49IAy6iOwg+K

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

Mutex

EMlVcBne6Sb0gEvW

Attributes

Install_directory
%ProgramData%
install_file
gamesamse.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/6076-1-0x0000000000300000-0x0000000000310000-memory.dmp	family_xworm
behavioral1/files/0x001e00000002abc3-57.dat	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
1736	powershell.exe
1368	powershell.exe
3936	powershell.exe
2084	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
3196	gamesamse.exe
5368	gamesamse.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000\Software\Microsoft\Windows\CurrentVersion\Run\gamesamse = "C:\\ProgramData\\gamesamse.exe"	nixware crack .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.

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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1736	powershell.exe
1736	powershell.exe
1368	powershell.exe
1368	powershell.exe
3936	powershell.exe
3936	powershell.exe
2084	powershell.exe
2084	powershell.exe
6076	nixware crack .exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	6076	nixware crack .exe
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	1368	powershell.exe
Token: SeDebugPrivilege	3936	powershell.exe
Token: SeDebugPrivilege	2084	powershell.exe
Token: SeDebugPrivilege	6076	nixware crack .exe
Token: SeDebugPrivilege	3196	gamesamse.exe
Token: SeDebugPrivilege	5368	gamesamse.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
6076	nixware crack .exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 6076 wrote to memory of 1736	6076	nixware crack .exe	80
PID 6076 wrote to memory of 1736	6076	nixware crack .exe	80
PID 6076 wrote to memory of 1368	6076	nixware crack .exe	82
PID 6076 wrote to memory of 1368	6076	nixware crack .exe	82
PID 6076 wrote to memory of 3936	6076	nixware crack .exe	84
PID 6076 wrote to memory of 3936	6076	nixware crack .exe	84
PID 6076 wrote to memory of 2084	6076	nixware crack .exe	86
PID 6076 wrote to memory of 2084	6076	nixware crack .exe	86
PID 6076 wrote to memory of 4932	6076	nixware crack .exe	88
PID 6076 wrote to memory of 4932	6076	nixware crack .exe	88

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\nixware crack .exe
"C:\Users\Admin\AppData\Local\Temp\nixware crack .exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6076
- 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\nixware crack .exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1736
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'nixware crack .exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1368
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\gamesamse.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gamesamse.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2084
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "gamesamse" /tr "C:\ProgramData\gamesamse.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4932

C:\ProgramData\gamesamse.exe
C:\ProgramData\gamesamse.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3196

C:\ProgramData\gamesamse.exe
C:\ProgramData\gamesamse.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\gamesamse.exe

Filesize
41KB

MD5
c80090db736246d069fb59e82ac0a9b3

SHA1
5d2aa76651ee1c9ff47be57750f9cb9f1ea71082

SHA256
767ecfa3b914e4baa623bb8318f6aa946b47e134fc72633d4308a57a1e80762b

SHA512
9d84a6745bb1fbd9bdf68a64ce9b8fa843ccc7cff37113d140771147375afe760996a7150f68fc87caaf80d0dd8f0acbe395098415368db3373d6d77ad0a8634

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\gamesamse.exe.log

Filesize
654B

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

Download Submit
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
e3840d9bcedfe7017e49ee5d05bd1c46

SHA1
272620fb2605bd196df471d62db4b2d280a363c6

SHA256
3ac83e70415b9701ee71a4560232d7998e00c3db020fde669eb01b8821d2746f

SHA512
76adc88ab3930acc6b8b7668e2de797b8c00edcfc41660ee4485259c72a8adf162db62c2621ead5a9950f12bfe8a76ccab79d02fda11860afb0e217812cac376

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

Filesize
944B

MD5
d5bfa8bfa4724309248f8219e3501e84

SHA1
dcdf5cd53a02d97515985215ad46a36feb37167b

SHA256
6f6147c1ea4009c4c19a07b05e43792bdacc48226db2fa3de5189725cdd4964a

SHA512
5c3b486b4c4d715009ff362c33c7b268ee59b9f674217ffef82aa4c704afa6bea14e048f47b095aa62c11d016533d72e89076261068cb793c9a9737b48bef304

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

Filesize
944B

MD5
e3511d9f7f7ed0db87bd1c9e5708dd1b

SHA1
aa84562b801dffd8d6e94aecc8831dbd1628c478

SHA256
68fb3bd4ac87708463e22f825b8e0307862f43e1abb7506138f309cfece77d02

SHA512
f1bfd25b5df32521fd6ac0f8eb99123a857d81eab84f089a4fb936748c263db6f6d2cad90541b5523c6e97aa4b063e8f3556e353194487eb10417e7f7c4f03fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22sb5wmb.42f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1736-14-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/1736-15-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/1736-18-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/1736-13-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/1736-3-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/1736-12-0x000001FFEFA80000-0x000001FFEFAA2000-memory.dmp

Filesize
136KB

Download
memory/6076-19-0x00007FFC56A93000-0x00007FFC56A95000-memory.dmp

Filesize
8KB

Download
memory/6076-0-0x00007FFC56A93000-0x00007FFC56A95000-memory.dmp

Filesize
8KB

Download
memory/6076-55-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/6076-2-0x00007FFC56A90000-0x00007FFC57552000-memory.dmp

Filesize
10.8MB

Download
memory/6076-1-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads