xworm | 471eeb9eeca3a3fb5bc949d95ddc7a29a8910a10b7567e725fc212c86c616b10

Analysis

max time kernel
113s
max time network
118s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
10-07-2024 12:30

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General

Target

Crack.exe
Size

83KB
MD5

fafdca52fa2f2e543c82157ab5bd3abe
SHA1

66b2fa2d9b1e58a67723fe98c08352f1668ea561
SHA256

fdd41c041dd827148ad8a15c521255c017f1977522a90ef4e94fb898c2a04477
SHA512

28869228921b62f13a1975a75f9956909024fd5e59ff1a61152a38feb0cfcb128d76c4a6477b8b8701073e8faa0343612b2cdb94f24fd0ff73f04f98a4a7e561
SSDEEP

1536:TOgd9x9J64t5dY63G6IPLh0i6a+bai0bqkTkF6UoBnO0cXSeUd:/9J5uEOh6a+baNOkTkQnOXHy

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

connection-elect.gl.at.ply.gg:37777

Attributes

Install_directory
%AppData%
install_file
Crack.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral3/memory/3300-1-0x0000000000C00000-0x0000000000C1C000-memory.dmp	family_xworm
behavioral3/files/0x000d00000001ab42-188.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
2060	powershell.exe
1860	powershell.exe
216	powershell.exe
1652	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
600	Crack.exe
4392	Crack.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-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\Crack = "C:\\Users\\Admin\\AppData\\Roaming\\Crack.exe"	Crack.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\4183903823\2290032291.pri	taskmgr.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

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
2336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
216	powershell.exe
216	powershell.exe
216	powershell.exe
1652	powershell.exe
1652	powershell.exe
1652	powershell.exe
2060	powershell.exe
2060	powershell.exe
2060	powershell.exe
1860	powershell.exe
1860	powershell.exe
1860	powershell.exe
3300	Crack.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3300	Crack.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeIncreaseQuotaPrivilege	216	powershell.exe
Token: SeSecurityPrivilege	216	powershell.exe
Token: SeTakeOwnershipPrivilege	216	powershell.exe
Token: SeLoadDriverPrivilege	216	powershell.exe
Token: SeSystemProfilePrivilege	216	powershell.exe
Token: SeSystemtimePrivilege	216	powershell.exe
Token: SeProfSingleProcessPrivilege	216	powershell.exe
Token: SeIncBasePriorityPrivilege	216	powershell.exe
Token: SeCreatePagefilePrivilege	216	powershell.exe
Token: SeBackupPrivilege	216	powershell.exe
Token: SeRestorePrivilege	216	powershell.exe
Token: SeShutdownPrivilege	216	powershell.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeSystemEnvironmentPrivilege	216	powershell.exe
Token: SeRemoteShutdownPrivilege	216	powershell.exe
Token: SeUndockPrivilege	216	powershell.exe
Token: SeManageVolumePrivilege	216	powershell.exe
Token: 33	216	powershell.exe
Token: 34	216	powershell.exe
Token: 35	216	powershell.exe
Token: 36	216	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeIncreaseQuotaPrivilege	1652	powershell.exe
Token: SeSecurityPrivilege	1652	powershell.exe
Token: SeTakeOwnershipPrivilege	1652	powershell.exe
Token: SeLoadDriverPrivilege	1652	powershell.exe
Token: SeSystemProfilePrivilege	1652	powershell.exe
Token: SeSystemtimePrivilege	1652	powershell.exe
Token: SeProfSingleProcessPrivilege	1652	powershell.exe
Token: SeIncBasePriorityPrivilege	1652	powershell.exe
Token: SeCreatePagefilePrivilege	1652	powershell.exe
Token: SeBackupPrivilege	1652	powershell.exe
Token: SeRestorePrivilege	1652	powershell.exe
Token: SeShutdownPrivilege	1652	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeSystemEnvironmentPrivilege	1652	powershell.exe
Token: SeRemoteShutdownPrivilege	1652	powershell.exe
Token: SeUndockPrivilege	1652	powershell.exe
Token: SeManageVolumePrivilege	1652	powershell.exe
Token: 33	1652	powershell.exe
Token: 34	1652	powershell.exe
Token: 35	1652	powershell.exe
Token: 36	1652	powershell.exe
Token: SeDebugPrivilege	2060	powershell.exe
Token: SeIncreaseQuotaPrivilege	2060	powershell.exe
Token: SeSecurityPrivilege	2060	powershell.exe
Token: SeTakeOwnershipPrivilege	2060	powershell.exe
Token: SeLoadDriverPrivilege	2060	powershell.exe
Token: SeSystemProfilePrivilege	2060	powershell.exe
Token: SeSystemtimePrivilege	2060	powershell.exe
Token: SeProfSingleProcessPrivilege	2060	powershell.exe
Token: SeIncBasePriorityPrivilege	2060	powershell.exe
Token: SeCreatePagefilePrivilege	2060	powershell.exe
Token: SeBackupPrivilege	2060	powershell.exe
Token: SeRestorePrivilege	2060	powershell.exe
Token: SeShutdownPrivilege	2060	powershell.exe
Token: SeDebugPrivilege	2060	powershell.exe
Token: SeSystemEnvironmentPrivilege	2060	powershell.exe
Token: SeRemoteShutdownPrivilege	2060	powershell.exe
Token: SeUndockPrivilege	2060	powershell.exe
Token: SeManageVolumePrivilege	2060	powershell.exe
Token: 33	2060	powershell.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe

Suspicious use of SendNotifyMessage 35 IoCs

pid	Process
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe
1136	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3300	Crack.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 216	3300	Crack.exe	73
PID 3300 wrote to memory of 216	3300	Crack.exe	73
PID 3300 wrote to memory of 1652	3300	Crack.exe	76
PID 3300 wrote to memory of 1652	3300	Crack.exe	76
PID 3300 wrote to memory of 2060	3300	Crack.exe	78
PID 3300 wrote to memory of 2060	3300	Crack.exe	78
PID 3300 wrote to memory of 1860	3300	Crack.exe	80
PID 3300 wrote to memory of 1860	3300	Crack.exe	80
PID 3300 wrote to memory of 2336	3300	Crack.exe	82
PID 3300 wrote to memory of 2336	3300	Crack.exe	82

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\Crack.exe
"C:\Users\Admin\AppData\Local\Temp\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:3300
- 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\Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:216
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1652
- 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\Roaming\Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2060
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1860
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Crack" /tr "C:\Users\Admin\AppData\Roaming\Crack.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2336

C:\Users\Admin\AppData\Roaming\Crack.exe
C:\Users\Admin\AppData\Roaming\Crack.exe
1⤵
- Executes dropped EXE
PID:600

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1136

C:\Users\Admin\AppData\Roaming\Crack.exe
C:\Users\Admin\AppData\Roaming\Crack.exe
1⤵
- Executes dropped EXE
PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Crack.exe.log

Filesize
654B

MD5
16c5fce5f7230eea11598ec11ed42862

SHA1
75392d4824706090f5e8907eee1059349c927600

SHA256
87ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151

SHA512
153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc

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

Filesize
3KB

MD5
ad5cd538ca58cb28ede39c108acb5785

SHA1
1ae910026f3dbe90ed025e9e96ead2b5399be877

SHA256
c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033

SHA512
c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13

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

Filesize
1KB

MD5
fcb83416686231654942728172d8ba1e

SHA1
ffd0ee09dec4d66e8c211cb9ccd99b854e1f9760

SHA256
93a594303a6dc748349cc904fb5228741a71bf7562e53ef88fa106eb2577fbaa

SHA512
72238f2373d9816228d74f21762ad6afbb5fe91e3b38de3384001ab98f87de3d1a89f10f53d01f24b1595885f720a19cc07adeebb9a691be3723fbb9dd783997

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

Filesize
1KB

MD5
0098df8ed31e9e8c46f9cf3e915fd432

SHA1
0ed488512c3df40685aaf20dafd0296077d50bf9

SHA256
496d2fb51dbd01e1c57c60622486980d8bf385e4a744b3fd00ceffa9d5d49732

SHA512
3a54df779a5e3379a8d2506c4ac984bc95fab89423e8b152c52e890439afaaa13b8ec436eaf76bd439b5e744c6137c12a36eb05aa810642b1764ec29fa0046d8

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

Filesize
1KB

MD5
80b8902782f5462a10a0c8211472d125

SHA1
7c141cdcaa8a5e5e7e183795bdd74d26371947b6

SHA256
5420bfb7358267b2d9975668e956d72fa055cc8e5c6372ffbbcb28bab7f1bc61

SHA512
4521207b84309f638e694ea6d006b709dd3ba365ecd544baa8fa36e6467cf6556db9bfaab44c092aa2dd69a3aeee7e5d7e49a33dd200455eb00a0e6b8a3df1c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txwggdqf.e0q.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\Crack.exe

Filesize
83KB

MD5
fafdca52fa2f2e543c82157ab5bd3abe

SHA1
66b2fa2d9b1e58a67723fe98c08352f1668ea561

SHA256
fdd41c041dd827148ad8a15c521255c017f1977522a90ef4e94fb898c2a04477

SHA512
28869228921b62f13a1975a75f9956909024fd5e59ff1a61152a38feb0cfcb128d76c4a6477b8b8701073e8faa0343612b2cdb94f24fd0ff73f04f98a4a7e561

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Crack.lnk

Filesize
759B

MD5
bc93ad06d49df7b33daadcb348f26b15

SHA1
22f0ad774a782a62720f2c955b2d55327471ca5b

SHA256
ca450de834808efca47473eb0f0e2cd9da1352a5b3b3770d4f2a2fe2903104a4

SHA512
07a2d08cbffb3daa65c5e274f04822b2f2aa753daded59c7494432dbef316a60339c9d72ff6f7eee6c2c400a009c4e1b9458626a501af406b72f329e3401cca4

Download Submit
memory/216-52-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/216-51-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/216-25-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/216-20-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/216-10-0x0000021979EF0000-0x0000021979F66000-memory.dmp

Filesize
472KB

Download
memory/216-11-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/216-8-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/216-6-0x0000021961710000-0x0000021961732000-memory.dmp

Filesize
136KB

Download
memory/3300-0-0x00007FF9D2D43000-0x00007FF9D2D44000-memory.dmp

Filesize
4KB

Download
memory/3300-186-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/3300-187-0x00007FF9D2D40000-0x00007FF9D372C000-memory.dmp

Filesize
9.9MB

Download
memory/3300-192-0x0000000002BA0000-0x0000000002BAC000-memory.dmp

Filesize
48KB

Download
memory/3300-1-0x0000000000C00000-0x0000000000C1C000-memory.dmp

Filesize
112KB

Download