xworm | 310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 02:09

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General

Target

310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
Size

337KB
MD5

a8bf7d1f42ce4fe13c76e01befe367fa
SHA1

add32173cf45061d651b75f8b7ab33f86fdfbee7
SHA256

310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8
SHA512

eba707226d114c4405b25b627ee38ba5b2c24cf353fdafd1d78dd90c0fed5de67a2c8c0846609ad7d554306191836667f00dd896d12215fd769c6f36f0f58e2d
SSDEEP

3072:rXjgxzi3Z80WaXjTa4X+oFM3bUiS75l/NTugUJV21KFpwqEBOrNoq98wSpvbUP:rzgxAZ82a4XrFXSlQqrR98XU

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

185.84.161.66:5000

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2688-13-0x0000000000BF0000-0x0000000000C08000-memory.dmp	family_xworm
behavioral1/files/0x00290000000150a7-12.dat	family_xworm
behavioral1/memory/1144-49-0x0000000000B00000-0x0000000000B18000-memory.dmp	family_xworm
behavioral1/memory/2268-52-0x0000000000D30000-0x0000000000D48000-memory.dmp	family_xworm
behavioral1/memory/2468-54-0x00000000011A0000-0x00000000011B8000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
392	powershell.exe
1832	powershell.exe
2464	powershell.exe
2016	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 6 IoCs

pid	Process
2652	P00LCUE.exe
2688	BLACKSUPER X.exe
1196	Process not Found
1144	XClient.exe
2268	XClient.exe
2468	XClient.exe

Loads dropped DLL 2 IoCs

pid	Process
3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
3056	Process not Found

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	BLACKSUPER X.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

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

System Information Discovery
T1082

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
1924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe
2652	P00LCUE.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	BLACKSUPER X.exe
Token: SeDebugPrivilege	392	powershell.exe
Token: SeDebugPrivilege	1832	powershell.exe
Token: SeDebugPrivilege	2464	powershell.exe
Token: SeDebugPrivilege	2016	powershell.exe
Token: SeDebugPrivilege	2688	BLACKSUPER X.exe
Token: SeDebugPrivilege	1144	XClient.exe
Token: SeDebugPrivilege	2268	XClient.exe
Token: SeDebugPrivilege	2468	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2688	BLACKSUPER X.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2652	3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	30
PID 3028 wrote to memory of 2652	3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	30
PID 3028 wrote to memory of 2652	3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	30
PID 3028 wrote to memory of 2688	3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	32
PID 3028 wrote to memory of 2688	3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	32
PID 3028 wrote to memory of 2688	3028	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	32
PID 2652 wrote to memory of 2700	2652	P00LCUE.exe	33
PID 2652 wrote to memory of 2700	2652	P00LCUE.exe	33
PID 2652 wrote to memory of 2700	2652	P00LCUE.exe	33
PID 2652 wrote to memory of 2832	2652	P00LCUE.exe	34
PID 2652 wrote to memory of 2832	2652	P00LCUE.exe	34
PID 2652 wrote to memory of 2832	2652	P00LCUE.exe	34
PID 2688 wrote to memory of 392	2688	BLACKSUPER X.exe	36
PID 2688 wrote to memory of 392	2688	BLACKSUPER X.exe	36
PID 2688 wrote to memory of 392	2688	BLACKSUPER X.exe	36
PID 2688 wrote to memory of 1832	2688	BLACKSUPER X.exe	38
PID 2688 wrote to memory of 1832	2688	BLACKSUPER X.exe	38
PID 2688 wrote to memory of 1832	2688	BLACKSUPER X.exe	38
PID 2688 wrote to memory of 2464	2688	BLACKSUPER X.exe	40
PID 2688 wrote to memory of 2464	2688	BLACKSUPER X.exe	40
PID 2688 wrote to memory of 2464	2688	BLACKSUPER X.exe	40
PID 2688 wrote to memory of 2016	2688	BLACKSUPER X.exe	42
PID 2688 wrote to memory of 2016	2688	BLACKSUPER X.exe	42
PID 2688 wrote to memory of 2016	2688	BLACKSUPER X.exe	42
PID 2688 wrote to memory of 1924	2688	BLACKSUPER X.exe	44
PID 2688 wrote to memory of 1924	2688	BLACKSUPER X.exe	44
PID 2688 wrote to memory of 1924	2688	BLACKSUPER X.exe	44
PID 1804 wrote to memory of 1144	1804	taskeng.exe	47
PID 1804 wrote to memory of 1144	1804	taskeng.exe	47
PID 1804 wrote to memory of 1144	1804	taskeng.exe	47
PID 1804 wrote to memory of 2268	1804	taskeng.exe	49
PID 1804 wrote to memory of 2268	1804	taskeng.exe	49
PID 1804 wrote to memory of 2268	1804	taskeng.exe	49
PID 1804 wrote to memory of 2468	1804	taskeng.exe	50
PID 1804 wrote to memory of 2468	1804	taskeng.exe	50
PID 1804 wrote to memory of 2468	1804	taskeng.exe	50

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\310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
"C:\Users\Admin\AppData\Local\Temp\310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\P00LCUE.exe
  "C:\Users\Admin\AppData\Local\Temp\P00LCUE.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:2700
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:2832
- C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe
  "C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:392
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'BLACKSUPER X.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:1832
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:2464
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:2016
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1924

C:\Windows\system32\taskeng.exe
taskeng.exe {73DC36A5-0B89-4DC2-B857-96F32422F527} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1144
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2268
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe

Filesize
69KB

MD5
2d58b179ec133f1016a2496a96c5da20

SHA1
f5b59d6c3c382295d5d5fed1aed04342a7ab7f2e

SHA256
ea9c924bd79e33535b8d6537da0a320ce89d6700697173397bb0a31341831a1b

SHA512
486e8248f14d721519bd3701d8dfaf6b8e5af2bce02825fac078402c5ac4a1ceff72af2c36eb3a5c3006aaef0eb00ae8b2289d5a2b8b149e50e7bc7e2bad5abc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
5185c5407b2c397d3cbddf8f1e5e40a1

SHA1
850e110202d837201b3edbfd6b27de1c73bdbd5b

SHA256
3cf4f898533eb2e160c8ffd83f311227e6b0a8f110ae9efb439f1f14cd46457a

SHA512
30fadd82472f87c4b0a280210ce2c08d58829ef4e8e6c604fb9bd9bbdcdca84c977ff90b57481f3eda43cd721359d2c6b0dd790605c2da35f757e192cba048d0

Download Submit
\Users\Admin\AppData\Local\Temp\P00LCUE.exe

Filesize
49KB

MD5
82389acf1b04e8442fdafa7c49c29a97

SHA1
573bbc1861498616a8fe79762de0fe3441e0ab21

SHA256
70ef677a281065331f49877743d7674891ccb1e63023fbc17e4d6c2e9f28b27a

SHA512
4d87d48265510da16fd22920bbbc4476278e1991b62584c320b020d53dcd7ca9b718d9f10750f63b25df1a741ef10369da013e880a3d979ef3faff9332fd3eb1

Download Submit
memory/392-22-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/392-23-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/1144-49-0x0000000000B00000-0x0000000000B18000-memory.dmp

Filesize
96KB

Download
memory/1832-30-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download
memory/1832-29-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download
memory/2268-52-0x0000000000D30000-0x0000000000D48000-memory.dmp

Filesize
96KB

Download
memory/2468-54-0x00000000011A0000-0x00000000011B8000-memory.dmp

Filesize
96KB

Download
memory/2688-17-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

Filesize
9.9MB

Download
memory/2688-16-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

Filesize
9.9MB

Download
memory/2688-13-0x0000000000BF0000-0x0000000000C08000-memory.dmp

Filesize
96KB

Download
memory/3028-0-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

Filesize
4KB

Download
memory/3028-14-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

Filesize
9.9MB

Download
memory/3028-1-0x00000000009B0000-0x0000000000A0A000-memory.dmp

Filesize
360KB

Download