xworm | 19de00696fc0e0d19e7663498e059be91d2e9754bb4738e6ba9a75967312d6c9

General

Target

Nerestpc/Nerestpc.exe
Size

8.8MB
MD5

14862f30b225f2890861a5ad97c44237
SHA1

42d66e64f1f9b67ecd408f9688ad44335cdbef7b
SHA256

00eca4e6f39ba722102f071024c568862dd18e9669f431033576f62b6d847ca2
SHA512

71f7359bb27fa7eae54d72c4cf0c32d07d3b0ee59a1fe913b4fa8ef706758e625f7a5eac670eeef167b6899d6e04fa0ae4933b1af2e09ff735526973c0a13d4b
SSDEEP

196608:GaaKLgaeBMV1x2g5vrPnsvaH7ATG/3lVr99W7SONlmsQa:GangTBMfxXvrPdATGvRLOca

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:62949

pidoras123131-62949.portmap.host:62949

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7812594920:AAF8LiE_BAgLbrCBoONka4W_igE0Wo_lUEg/sendMessage?chat_id=7101392896

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x00560000000237ee-6.dat	family_xworm
behavioral2/memory/4568-17-0x0000000000550000-0x000000000057A000-memory.dmp	family_xworm

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	Nerestpc.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CheacherCheats1.lnk	хуйло.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CheacherCheats1.lnk	хуйло.exe

Executes dropped EXE 2 IoCs

pid	Process
4568	хуйло.exe
5460	NerestPCFree 0.32.3.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-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CheacherCheats1 = "C:\\Users\\Admin\\AppData\\Roaming\\CheacherCheats1"	хуйло.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5460	NerestPCFree 0.32.3.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	NerestPCFree 0.32.3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4568	хуйло.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	хуйло.exe
Token: SeDebugPrivilege	4568	хуйло.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4568	хуйло.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 4568	1340	Nerestpc.exe	91
PID 1340 wrote to memory of 4568	1340	Nerestpc.exe	91
PID 1340 wrote to memory of 5460	1340	Nerestpc.exe	92
PID 1340 wrote to memory of 5460	1340	Nerestpc.exe	92
PID 1340 wrote to memory of 5460	1340	Nerestpc.exe	92

C:\Users\Admin\AppData\Local\Temp\Nerestpc\Nerestpc.exe
"C:\Users\Admin\AppData\Local\Temp\Nerestpc\Nerestpc.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\хуйло.exe
  "C:\Users\Admin\AppData\Local\Temp\хуйло.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4568
- C:\Users\Admin\AppData\Local\Temp\NerestPCFree 0.32.3.exe
  "C:\Users\Admin\AppData\Local\Temp\NerestPCFree 0.32.3.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:5460

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\CheacherCheats1
1⤵
PID:5780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\NerestPCFree 0.32.3.exe

Filesize
9.4MB

MD5
528865813ccd9f4993ebfaa940ffb508

SHA1
489edf8a9b2a3e8e7d9eebec4d1acd776b71e51b

SHA256
d873e0097be4144f1b23e3d932587a18d5600d8d64071d53763d27cafe58f8e8

SHA512
e6d55a53310640ff42d3bd7c01b1885773b38784e0c954112528dcd59ccbadbe986db95bb6c19b7c32177fa80c62880a5288b761f677510677cc605708fe7b85

Download Submit
C:\Users\Admin\AppData\Local\Temp\хуйло.exe

Filesize
142KB

MD5
c4993bc05fff4c6dad5ca8f6a5c4d52e

SHA1
2eeb240fda801478a0c5d67d57efedc94652eda8

SHA256
2da85c1b6454943af17f82108a5e58832b23c010cb2857bf5a4ddbe6d062a81a

SHA512
15772d4f4b9cb221782cf06be592ebc72143ffe62aa7b579828596b75fb99919ab0011e5e5b19d93acdd3ea6837cdfd6650d36fd914d67a6b5715046f94b006a

Download Submit
memory/1340-0-0x00007FFC0F6F3000-0x00007FFC0F6F5000-memory.dmp

Filesize
8KB

Download
memory/1340-1-0x0000000000920000-0x00000000011F6000-memory.dmp

Filesize
8.8MB

Download
memory/1340-10-0x00007FFC0F6F0000-0x00007FFC101B1000-memory.dmp

Filesize
10.8MB

Download
memory/1340-27-0x00007FFC0F6F0000-0x00007FFC101B1000-memory.dmp

Filesize
10.8MB

Download
memory/4568-23-0x00007FFC0F6F0000-0x00007FFC101B1000-memory.dmp

Filesize
10.8MB

Download
memory/4568-17-0x0000000000550000-0x000000000057A000-memory.dmp

Filesize
168KB

Download
memory/4568-34-0x000000001B380000-0x000000001B390000-memory.dmp

Filesize
64KB

Download
memory/4568-37-0x00007FFC0F6F0000-0x00007FFC101B1000-memory.dmp

Filesize
10.8MB

Download
memory/4568-38-0x000000001B380000-0x000000001B390000-memory.dmp

Filesize
64KB

Download
memory/4568-39-0x000000001B350000-0x000000001B35C000-memory.dmp

Filesize
48KB

Download
memory/5460-29-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/5460-30-0x0000000000530000-0x00000000016FE000-memory.dmp

Filesize
17.8MB

Download
memory/5460-35-0x0000000003B40000-0x0000000003B41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads