xworm | 5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 16:33

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General

Target
BootstrapperV1.19.exe
Size 101KB
Sample241004-t2hkhsvbkn
SHA256 5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf
MD5 6bb9b6f20191d1bf08989353079903f4
SHA1 71e2478abe5f98adcedfe8e9666519ab8b649643
SHA512 264315b1ae27f93460ed136ecc55c53e13ee342e07b8f2541a37830df6823069b7d8ffc4ade6a088aa353a23552d67f6a33528eb840f8288fbb3d157142a0ac4
SSDEEP 1536:9BoBYQ6VnoeKrlhtJFbFeubZVj66LU7NOL60Emkt:9BqYvxoeKrDt7bFewF/UxOL68kt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm discovery rat trojan

Malware Config

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4040-3-0x0000000000400000-0x0000000000421000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	BootstrapperV1.19.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 14 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mode.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BootstrapperV1.19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 10 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2216	PING.EXE
4976	PING.EXE
4780	PING.EXE
224	PING.EXE
2156	PING.EXE
396	PING.EXE
4232	PING.EXE
4916	PING.EXE
5016	PING.EXE
2732	PING.EXE

Runs ping.exe 1 TTPs 10 IoCs

Remote System Discovery

T1018

pid	Process
2216	PING.EXE
4916	PING.EXE
4780	PING.EXE
4976	PING.EXE
4232	PING.EXE
5016	PING.EXE
224	PING.EXE
2156	PING.EXE
2732	PING.EXE
396	PING.EXE

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 5020	4040	BootstrapperV1.19.exe	83
PID 4040 wrote to memory of 5020	4040	BootstrapperV1.19.exe	83
PID 4040 wrote to memory of 5020	4040	BootstrapperV1.19.exe	83
PID 5020 wrote to memory of 4312	5020	cmd.exe	85
PID 5020 wrote to memory of 4312	5020	cmd.exe	85
PID 5020 wrote to memory of 4312	5020	cmd.exe	85
PID 5020 wrote to memory of 4844	5020	cmd.exe	86
PID 5020 wrote to memory of 4844	5020	cmd.exe	86
PID 5020 wrote to memory of 4844	5020	cmd.exe	86
PID 5020 wrote to memory of 5016	5020	cmd.exe	87
PID 5020 wrote to memory of 5016	5020	cmd.exe	87
PID 5020 wrote to memory of 5016	5020	cmd.exe	87
PID 5020 wrote to memory of 224	5020	cmd.exe	88
PID 5020 wrote to memory of 224	5020	cmd.exe	88
PID 5020 wrote to memory of 224	5020	cmd.exe	88
PID 5020 wrote to memory of 2156	5020	cmd.exe	89
PID 5020 wrote to memory of 2156	5020	cmd.exe	89
PID 5020 wrote to memory of 2156	5020	cmd.exe	89
PID 5020 wrote to memory of 2732	5020	cmd.exe	90
PID 5020 wrote to memory of 2732	5020	cmd.exe	90
PID 5020 wrote to memory of 2732	5020	cmd.exe	90
PID 5020 wrote to memory of 396	5020	cmd.exe	91
PID 5020 wrote to memory of 396	5020	cmd.exe	91
PID 5020 wrote to memory of 396	5020	cmd.exe	91
PID 5020 wrote to memory of 2216	5020	cmd.exe	92
PID 5020 wrote to memory of 2216	5020	cmd.exe	92
PID 5020 wrote to memory of 2216	5020	cmd.exe	92
PID 5020 wrote to memory of 4976	5020	cmd.exe	93
PID 5020 wrote to memory of 4976	5020	cmd.exe	93
PID 5020 wrote to memory of 4976	5020	cmd.exe	93
PID 5020 wrote to memory of 4232	5020	cmd.exe	98
PID 5020 wrote to memory of 4232	5020	cmd.exe	98
PID 5020 wrote to memory of 4232	5020	cmd.exe	98
PID 5020 wrote to memory of 4916	5020	cmd.exe	100
PID 5020 wrote to memory of 4916	5020	cmd.exe	100
PID 5020 wrote to memory of 4916	5020	cmd.exe	100
PID 5020 wrote to memory of 4780	5020	cmd.exe	101
PID 5020 wrote to memory of 4780	5020	cmd.exe	101
PID 5020 wrote to memory of 4780	5020	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.19.exe
"C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.19.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SolaraEngine.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SysWOW64\mode.com
    mode con cols=120 lines=30
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4312
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4844
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5016
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:224
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2156
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2732
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:396
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2216
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4976
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 1 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4232
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 2 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4916
- - C:\Windows\SysWOW64\PING.EXE
    ping –n 2 localhost
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

SolaraEngine.bat

Path C:\Users\Admin\AppData\Local\Temp\SolaraEngine.bat
Size 11KB
SHA256 15cbd174e5ab244cc771606d34ab00e03ad9c11790a192f3013b5af184f18423
MD5 8a1de6c33e1081dea46be4564afa7462
SHA1 c3fc10d705a011b85aec506fea9babacfba7b51e
SHA512 4ba36a45dab0c0290f4ba655dbf097ae19d70a6807792c428280b309d962621bfd285179a4c3148d993a57063ccce8f380510c5c6bc35e672651cd988a68a623
SSDEEP 24:z7bMjejcFScFWcFacFScFWcFa4gXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXM:z7bM5nVs6kSHzNtFjqCjAt/S0i9y+9
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4040-3-0x0000000000400000-0x0000000000421000-memory.dmp

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