xworm | 37393231ee6c2f1e4e81bb820867302f509abe5108d7e6eac891fe1ab4b66ca5

Analysis

max time kernel
101s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:15

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General

Target

b599b9b1d6311136ef7c416782fdd16f.exe
Size

98KB
MD5

b599b9b1d6311136ef7c416782fdd16f
SHA1

1f1ea79e72a003c554ffa97b6bbefb5c2a457487
SHA256

8098c40545788f51d9255f9ec41960947cb8e42a4d297b89ae0ab4cee1145fb6
SHA512

ebb64eb53ae392ca6369143a0786ee0edea0820c86cc535a1ce7b85435bf436a12555a8c0cd5b3bef976f786e0acfe0a3a4b8507faadcfa4179344f9000ea7e0
SSDEEP

1536:nBhsKza/PGfvoqV0t+fDVBAeR1os2tSBQKSypTmRrlcm9xML53HW:5Mqit+f331GRKm4t53W

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

bin12.ydns.eu:4050

bin14.ydns.eu:4050

kingsbkup1.ydns.eu:4050

smfcs1.ydns.eu:4050

smfcs3.ydns.eu:4050

Mutex

eFgRwYcigKCR8e0p

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral16/memory/880-1362-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1288 created 3408	1288	b599b9b1d6311136ef7c416782fdd16f.exe	56

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CanTransformMultipleBlocks.vbs	b599b9b1d6311136ef7c416782fdd16f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1288 set thread context of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94

System Location Discovery: System Language Discovery 1 TTPs 2 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	b599b9b1d6311136ef7c416782fdd16f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b599b9b1d6311136ef7c416782fdd16f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1288	b599b9b1d6311136ef7c416782fdd16f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	b599b9b1d6311136ef7c416782fdd16f.exe
Token: SeDebugPrivilege	1288	b599b9b1d6311136ef7c416782fdd16f.exe
Token: SeDebugPrivilege	880	b599b9b1d6311136ef7c416782fdd16f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94
PID 1288 wrote to memory of 880	1288	b599b9b1d6311136ef7c416782fdd16f.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3408
- C:\Users\Admin\AppData\Local\Temp\b599b9b1d6311136ef7c416782fdd16f.exe
  "C:\Users\Admin\AppData\Local\Temp\b599b9b1d6311136ef7c416782fdd16f.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1288
- C:\Users\Admin\AppData\Local\Temp\b599b9b1d6311136ef7c416782fdd16f.exe
  "C:\Users\Admin\AppData\Local\Temp\b599b9b1d6311136ef7c416782fdd16f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/880-1361-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/880-1363-0x0000000005710000-0x00000000057AC000-memory.dmp

Filesize
624KB

Download
memory/880-1362-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/880-1364-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/880-1365-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/880-1369-0x00000000060E0000-0x00000000060EC000-memory.dmp

Filesize
48KB

Download
memory/880-1368-0x0000000006930000-0x00000000069C2000-memory.dmp

Filesize
584KB

Download
memory/880-1367-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/880-1366-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/1288-65-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-55-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-19-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-37-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-35-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-31-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-27-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-23-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-17-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-16-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-13-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-9-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-39-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-7-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-33-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-5-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-29-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-25-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-21-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-49-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-61-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-12-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-63-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-59-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-57-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-4-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-53-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-51-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-45-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-41-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-67-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-47-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-43-0x0000000005950000-0x0000000005A4D000-memory.dmp

Filesize
1012KB

Download
memory/1288-1340-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1341-0x0000000005AF0000-0x0000000005B4C000-memory.dmp

Filesize
368KB

Download
memory/1288-1342-0x0000000005D20000-0x0000000005D78000-memory.dmp

Filesize
352KB

Download
memory/1288-1343-0x0000000005E40000-0x0000000005E8C000-memory.dmp

Filesize
304KB

Download
memory/1288-1344-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/1288-1345-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1346-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1348-0x0000000005EB0000-0x0000000005F04000-memory.dmp

Filesize
336KB

Download
memory/1288-1347-0x0000000006560000-0x0000000006B04000-memory.dmp

Filesize
5.6MB

Download
memory/1288-1352-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1356-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-3-0x0000000005950000-0x0000000005A52000-memory.dmp

Filesize
1.0MB

Download
memory/1288-2-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1-0x0000000000760000-0x000000000077E000-memory.dmp

Filesize
120KB

Download
memory/1288-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/1288-1358-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1360-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/1288-1359-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download