xworm | 2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0

General

Target

2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe
Size

2.8MB
MD5

0c5dad3e8eb28ced1fa7dcff2099c889
SHA1

69af5491ceb2b2889e59ddf1fea5b445c0fe1dcb
SHA256

2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0
SHA512

359ea9db76eaba98ba520df8ebf973f3ef4dd6d0e3711c1d1ebf057e5c0f2650f2c6af1a9a5a3a55efa6d400e654f30a79df86f74042788e0748817f34d6eb8d
SSDEEP

49152:95VWQ4h1EtbHYF4PGVHX9gWX9cPpmnUr+Syx+UQ498iEjEv/6p3BVR51:9FjtbO4PCtDKpohbx+b4aHA/QHr1

Score

10^/10

xworm discovery evasion persistence rat themida trojan

Malware Config

Extracted

Family

xworm

C2

canada-nervous.gl.at.ply.gg:26681

Attributes

Install_directory
%AppData%
install_file
scvhost.exe
telegram
https://api.telegram.org/bot7556258236:AAFbbPTNmGub8pdNz3R3W7xxukN43pvt5Tc/sendMessage?chat_id=7191221522

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016c9d-27.dat	family_xworm
behavioral1/memory/1428-32-0x0000000000B20000-0x0000000000B3A000-memory.dmp	family_xworm
behavioral1/memory/1852-47-0x00000000013D0000-0x00000000013EA000-memory.dmp	family_xworm

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 5 IoCs

pid	Process
2372	TritonRAT.exe
1428	Triton Rat.exe
2980	TritonRAT.exe
1852	scvhost.exe
2264	scvhost.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe
3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/3020-15-0x0000000000BC0000-0x0000000003856000-memory.dmp	themida
behavioral1/memory/3020-16-0x0000000000BC0000-0x0000000003856000-memory.dmp	themida
behavioral1/memory/3020-33-0x0000000000BC0000-0x0000000003856000-memory.dmp	themida

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\scvhost = "C:\\Users\\Admin\\AppData\\Roaming\\scvhost.exe"	Triton Rat.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe

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	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.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
1980	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1428	Triton Rat.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe
1428	Triton Rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1428	Triton Rat.exe
Token: SeDebugPrivilege	1428	Triton Rat.exe
Token: SeDebugPrivilege	1852	scvhost.exe
Token: SeDebugPrivilege	2264	scvhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1428	Triton Rat.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2372	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	30
PID 3020 wrote to memory of 2372	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	30
PID 3020 wrote to memory of 2372	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	30
PID 3020 wrote to memory of 2372	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	30
PID 3020 wrote to memory of 1428	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	31
PID 3020 wrote to memory of 1428	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	31
PID 3020 wrote to memory of 1428	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	31
PID 3020 wrote to memory of 1428	3020	2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe	31
PID 2372 wrote to memory of 2980	2372	TritonRAT.exe	32
PID 2372 wrote to memory of 2980	2372	TritonRAT.exe	32
PID 2372 wrote to memory of 2980	2372	TritonRAT.exe	32
PID 2980 wrote to memory of 2892	2980	TritonRAT.exe	33
PID 2980 wrote to memory of 2892	2980	TritonRAT.exe	33
PID 2980 wrote to memory of 2892	2980	TritonRAT.exe	33
PID 1428 wrote to memory of 1980	1428	Triton Rat.exe	35
PID 1428 wrote to memory of 1980	1428	Triton Rat.exe	35
PID 1428 wrote to memory of 1980	1428	Triton Rat.exe	35
PID 656 wrote to memory of 1852	656	taskeng.exe	39
PID 656 wrote to memory of 1852	656	taskeng.exe	39
PID 656 wrote to memory of 1852	656	taskeng.exe	39
PID 656 wrote to memory of 2264	656	taskeng.exe	40
PID 656 wrote to memory of 2264	656	taskeng.exe	40
PID 656 wrote to memory of 2264	656	taskeng.exe	40

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\2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe
"C:\Users\Admin\AppData\Local\Temp\2f3fb98cde0255f83e6c5f3e9676868fe17f969a7f6103fe5db3a791ff5325a0.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Roaming\TritonRAT.exe
  "C:\Users\Admin\AppData\Roaming\TritonRAT.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Users\Admin\AppData\Local\Temp\TritonRAT.exe
    "C:\Users\Admin\AppData\Local\Temp\TritonRAT.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2980 -s 528
      4⤵
      PID:2892
- C:\Users\Admin\AppData\Roaming\Triton Rat.exe
  "C:\Users\Admin\AppData\Roaming\Triton Rat.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "scvhost" /tr "C:\Users\Admin\AppData\Roaming\scvhost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1980

C:\Windows\system32\taskeng.exe
taskeng.exe {FA9E7A4A-769C-486E-94C8-A95CFA126967} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Users\Admin\AppData\Roaming\scvhost.exe
  C:\Users\Admin\AppData\Roaming\scvhost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1852
- C:\Users\Admin\AppData\Roaming\scvhost.exe
  C:\Users\Admin\AppData\Roaming\scvhost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TritonRAT.exe

Filesize
38KB

MD5
57d29dcd5a7b20883382620736c868be

SHA1
a26c5b6b4822e25d81929b72221be0ec1c2bcfc2

SHA256
e0e5443f7f4b4eea98de47521407b609ac628f0a374d8f2c5d0e53dd6befc416

SHA512
6b41d0e16156d61e96790b0e822f400275917d9234774c709577ae3dbb6fb834720ca7f0902672c1d0145df03c2ed36ae6a6e5bee1c1a3d5ceb26f56fd72908d

Download Submit
C:\Users\Admin\AppData\Roaming\Triton Rat.exe

Filesize
85KB

MD5
628a35d2e9e2283e7dbf88d54c2446f6

SHA1
e4084bf55605bbeb15034edacb218cb62eb6d88f

SHA256
38a301620b3c593084784a6f3885fa6959f93e6e9505eb4c54016a46d6c8435a

SHA512
3ef86fcaca280e08bf0c7c2233ebb6a9c950f3aff1f2eb340d1c22bcd4b6619d9e55aa33d44004ed4e6d0eb8f5d2e48a0c3bc31a01bba337882cf1410c1326ce

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

Filesize
36.5MB

MD5
3e7800c74c9c7950bacf6739859caaee

SHA1
82faffb57a9ce69fe8b00aeb91f9644db0ebf7fe

SHA256
c6d18577ef02f6f7ead2bd90a4a9e7d522ed8aa801949b910792dabd75849736

SHA512
f511dabe5837442f44cee5f96ea20d393fb9d45a10c69a79326c45c768aa2780b26e7eacb4591becbf656ce5b8daf373ef25f2d20b06b2dbed5c47b1c4cee428

Download Submit
memory/1428-32-0x0000000000B20000-0x0000000000B3A000-memory.dmp

Filesize
104KB

Download
memory/1852-47-0x00000000013D0000-0x00000000013EA000-memory.dmp

Filesize
104KB

Download
memory/2372-31-0x0000000000D80000-0x0000000000D8E000-memory.dmp

Filesize
56KB

Download
memory/2980-39-0x00000000009F0000-0x00000000009FE000-memory.dmp

Filesize
56KB

Download
memory/3020-6-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-0-0x0000000000BC0000-0x0000000003856000-memory.dmp

Filesize
44.6MB

Download
memory/3020-10-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-9-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-8-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-7-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-15-0x0000000000BC0000-0x0000000003856000-memory.dmp

Filesize
44.6MB

Download
memory/3020-16-0x0000000000BC0000-0x0000000003856000-memory.dmp

Filesize
44.6MB

Download
memory/3020-12-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-11-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-29-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-5-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-4-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-33-0x0000000000BC0000-0x0000000003856000-memory.dmp

Filesize
44.6MB

Download
memory/3020-3-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-2-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/3020-1-0x0000000076B11000-0x0000000076B12000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads