xworm | 8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 19:18

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General

Target

8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe
Size

1.3MB
MD5

ae5e7ba3510eb0929a573c831177443a
SHA1

860292d7189eeab350530e0a214f95d974f9aa4e
SHA256

8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004
SHA512

48d7d30f1192d317750d3203a61d8bfb945d56afe2083d2e13f9fe7dbb3317319182d98b333e8e589fd898deb89fb0b21719dc1f4f48d5409bc2ce8fb9f004fc
SSDEEP

24576:lVuT/FduHyRMRvdyDGXQMBnoWdmq/thsXTXP4QhlkNM4:ju7FsHyR8dyKgOnoWoq/ths8QcN

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

reserved2021whsjsr.mywire.org:7100

Mutex

TDATvs0wpMfRfMfE

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001202b-1087.dat	family_xworm
behavioral1/memory/4852-1090-0x0000000000D30000-0x0000000000D3E000-memory.dmp	family_xworm

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

Executes dropped EXE 1 IoCs

pid	Process
4852	WORMreserved2021whsjsr.mywire.org 7100.exe

Loads dropped DLL 1 IoCs

pid	Process
1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dvpubhhpn = "C:\\Users\\Admin\\AppData\\Roaming\\Dvpubhhpn.vbs"	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4912	1576	WerFault.exe	29

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	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe
Token: SeDebugPrivilege	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe
Token: SeDebugPrivilege	4852	WORMreserved2021whsjsr.mywire.org 7100.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 4852	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	30
PID 1576 wrote to memory of 4852	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	30
PID 1576 wrote to memory of 4852	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	30
PID 1576 wrote to memory of 4852	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	30
PID 1576 wrote to memory of 4912	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	31
PID 1576 wrote to memory of 4912	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	31
PID 1576 wrote to memory of 4912	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	31
PID 1576 wrote to memory of 4912	1576	8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe	31

C:\Users\Admin\AppData\Local\Temp\8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe
"C:\Users\Admin\AppData\Local\Temp\8194e7c7be47a699d8fd05d8e1bd49de64c7587fa367eea190e1c4466d423004.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\AppData\Local\Temp\WORMreserved2021whsjsr.mywire.org 7100.exe
  "C:\Users\Admin\AppData\Local\Temp\WORMreserved2021whsjsr.mywire.org 7100.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 956
  2⤵
  - Program crash
  PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\WORMreserved2021whsjsr.mywire.org 7100.exe

Filesize
32KB

MD5
8530aac64c7eae15a9e322ba01939297

SHA1
ea4bd22364ac8598020b4834807656a69c286ec3

SHA256
60d7df1282af530664475c64e172e40b04c052960be1ec73ad42156e11dccb0e

SHA512
af490d5a0605925dad587248f3ef1148c4b7310ba2b648ed0e8b0f9032ae37371cd9043fa2afd035850302f6e19a6e5d312c49caab5a8da3c304d7a958ce73e5

Download Submit
memory/1576-52-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-28-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-3-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-7-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-14-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-20-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-4-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-26-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-24-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-22-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-18-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-38-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-16-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-12-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-54-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-8-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-60-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-66-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-64-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-62-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-58-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-56-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-10-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-1093-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1576-32-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-49-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-46-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-44-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-42-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-40-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-36-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-34-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-50-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-30-0x00000000011A0000-0x00000000012A0000-memory.dmp

Filesize
1024KB

Download
memory/1576-2-0x00000000011A0000-0x00000000012A6000-memory.dmp

Filesize
1.0MB

Download
memory/1576-1077-0x0000000004A20000-0x0000000004AA0000-memory.dmp

Filesize
512KB

Download
memory/1576-1078-0x0000000000A20000-0x0000000000A6C000-memory.dmp

Filesize
304KB

Download
memory/1576-1080-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1576-1079-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1576-1081-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1576-1-0x00000000012D0000-0x0000000001420000-memory.dmp

Filesize
1.3MB

Download
memory/1576-1088-0x00000000053D0000-0x0000000005424000-memory.dmp

Filesize
336KB

Download
memory/1576-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/1576-1091-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/4852-1090-0x0000000000D30000-0x0000000000D3E000-memory.dmp

Filesize
56KB

Download
memory/4852-1092-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download
memory/4852-1089-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

Filesize
4KB

Download
memory/4852-1094-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download