xworm | ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f

Analysis

max time kernel
127s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2024, 19:07

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General

Target

Invoice Certificates and CMR.exe
Size

691KB
MD5

cd0e4ac274a929010fed125c319c3e69
SHA1

cc530ce42f9b3024cf491eef61dfbf4dcd905176
SHA256

ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f
SHA512

b5fd740e1ceff2a6d999f5e6fb0ac89fc74ce61aa58eae5526ede9ab0001eeecc26ef1ad80d6e501a4121b4e5a2cacd19d7e52488b895b283c26cd1d94ea4c18
SSDEEP

12288:qTfdqmnKE2pb57I+xdvCss0BW9T3PG6dWHb:qv2t5s+qj049DGAW7

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

pkaraven.duckdns.org:9387

Mutex

AXupjNCu673XjSaT

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2736-45-0x0000000000400000-0x0000000000410000-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 5 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3716	powershell.exe
1156	powershell.exe
392	powershell.exe
4432	powershell.exe
2944	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Invoice Certificates and CMR.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Invoice Certificates and CMR.exe

Drops startup file 2 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1088 set thread context of 2736	1088	Invoice Certificates and CMR.exe	101

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 8 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice Certificates and CMR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice Certificates and CMR.exe

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
1740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1088	Invoice Certificates and CMR.exe
1156	powershell.exe
392	powershell.exe
1088	Invoice Certificates and CMR.exe
1088	Invoice Certificates and CMR.exe
1088	Invoice Certificates and CMR.exe
1156	powershell.exe
392	powershell.exe
4432	powershell.exe
4432	powershell.exe
2944	powershell.exe
2944	powershell.exe
3716	powershell.exe
3716	powershell.exe
2736	Invoice Certificates and CMR.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	Invoice Certificates and CMR.exe
Token: SeDebugPrivilege	1156	powershell.exe
Token: SeDebugPrivilege	392	powershell.exe
Token: SeDebugPrivilege	2736	Invoice Certificates and CMR.exe
Token: SeDebugPrivilege	4432	powershell.exe
Token: SeDebugPrivilege	2944	powershell.exe
Token: SeDebugPrivilege	3716	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2736	Invoice Certificates and CMR.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1156	1088	Invoice Certificates and CMR.exe	94
PID 1088 wrote to memory of 1156	1088	Invoice Certificates and CMR.exe	94
PID 1088 wrote to memory of 1156	1088	Invoice Certificates and CMR.exe	94
PID 1088 wrote to memory of 392	1088	Invoice Certificates and CMR.exe	96
PID 1088 wrote to memory of 392	1088	Invoice Certificates and CMR.exe	96
PID 1088 wrote to memory of 392	1088	Invoice Certificates and CMR.exe	96
PID 1088 wrote to memory of 1740	1088	Invoice Certificates and CMR.exe	98
PID 1088 wrote to memory of 1740	1088	Invoice Certificates and CMR.exe	98
PID 1088 wrote to memory of 1740	1088	Invoice Certificates and CMR.exe	98
PID 1088 wrote to memory of 4168	1088	Invoice Certificates and CMR.exe	100
PID 1088 wrote to memory of 4168	1088	Invoice Certificates and CMR.exe	100
PID 1088 wrote to memory of 4168	1088	Invoice Certificates and CMR.exe	100
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 1088 wrote to memory of 2736	1088	Invoice Certificates and CMR.exe	101
PID 2736 wrote to memory of 4432	2736	Invoice Certificates and CMR.exe	102
PID 2736 wrote to memory of 4432	2736	Invoice Certificates and CMR.exe	102
PID 2736 wrote to memory of 4432	2736	Invoice Certificates and CMR.exe	102
PID 2736 wrote to memory of 2944	2736	Invoice Certificates and CMR.exe	105
PID 2736 wrote to memory of 2944	2736	Invoice Certificates and CMR.exe	105
PID 2736 wrote to memory of 2944	2736	Invoice Certificates and CMR.exe	105
PID 2736 wrote to memory of 3716	2736	Invoice Certificates and CMR.exe	108
PID 2736 wrote to memory of 3716	2736	Invoice Certificates and CMR.exe	108
PID 2736 wrote to memory of 3716	2736	Invoice Certificates and CMR.exe	108

C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1156
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uuWsHcHRt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:392
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uuWsHcHRt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF00D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe"
  2⤵
  PID:4168
- C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Invoice Certificates and CMR.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4432
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Invoice Certificates and CMR.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2944
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Invoice Certificates and CMR.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3716

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
436B

MD5
fdbcc90321e0a81655240245081ce799

SHA1
b7b0ff946efe42c840e0f0525d6f9b3602077583

SHA256
40bf8555e8432d73282a6785037b4b003cf7aaa6e25ede302a27c532e0502b8c

SHA512
c2a1b3f28afc3510847fa2b48c3cad480b6ef7fac85b04dcd8935a3d8e930575b5aa8d198dc59f33911a00c274fd973155cc98d724799fea6a4906105042e474

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
0863e2df8cb9bc7d8e29a5655d5d7aa2

SHA1
ad16a4c87b77fce894069262b09856f171e57075

SHA256
0164c8d0fafc81fdd5d1b532ed2064ad4602619442cbf6d061d4a7e1765028b1

SHA512
4cbbf501d7730f20725cb4a6c9abc92bb4f81748ecc0e1cc0f013fcd5bb88365c3a08d536749ee977decf42f0bcabd44cca3553535b35187e29d544f60b5c9dc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
1ce208f258b62c04654f5484f43d0617

SHA1
fd4cc79936e467ebaca385d78a00d1d0fe7134b6

SHA256
02c43b5632cfc61cc9c8eb2db86df77102db038029318fe3e5db2024353ee35c

SHA512
084bd634c419ba214447de939892d0cad309443c0688f8cb92a8fa50e171eb6382f27eb7b8647311f5f26367ba57572bc1878bb81c31d68d865f91ca5d7470fa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
0bd8425cf8477bf713f0f68b9e1d5685

SHA1
4348035ab7d9f3da010b1b9fd72289b177a2e33e

SHA256
3e2c794792019eaed08a3c3d3838eb5aa88eab38b5d3938442932735ecb1cfbb

SHA512
29cff22fc33d215a560f2403889f706f8ea68ce94103bb6c3e188329b85ec5e40b3449391a09266b27a98c9c3d5c95807c5779d8150c6c4622e97b5d9ca2d916

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gfc5tpab.eqw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF00D.tmp

Filesize
1KB

MD5
1280aacc85182ea214348bc32ae74af7

SHA1
165b29512e71fe6e274ef89cf9c8d00c9a51ca4f

SHA256
503997f0dcb281d9f298ae234ba4b73706ee469dfdda28355ada3c1929fc320e

SHA512
a85da69e9a72bf45b1e6d89ec2ee23a043c97e7d9162a1ebd8d814dd15cb61db3ea734a768cc6074c9dd32a6a65a07f89986737abdcdc074a801bc35c9df1b08

Download Submit
C:\Users\Admin\AppData\Roaming\Invoice Certificates and CMR.exe

Filesize
691KB

MD5
cd0e4ac274a929010fed125c319c3e69

SHA1
cc530ce42f9b3024cf491eef61dfbf4dcd905176

SHA256
ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f

SHA512
b5fd740e1ceff2a6d999f5e6fb0ac89fc74ce61aa58eae5526ede9ab0001eeecc26ef1ad80d6e501a4121b4e5a2cacd19d7e52488b895b283c26cd1d94ea4c18

Download Submit
memory/392-90-0x00000000075E0000-0x00000000075E8000-memory.dmp

Filesize
32KB

Download
memory/392-93-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/392-87-0x00000000074F0000-0x00000000074FE000-memory.dmp

Filesize
56KB

Download
memory/392-49-0x0000000006450000-0x000000000649C000-memory.dmp

Filesize
304KB

Download
memory/392-88-0x0000000007500000-0x0000000007514000-memory.dmp

Filesize
80KB

Download
memory/392-89-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/392-18-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/392-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/392-42-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/392-62-0x00000000752A0000-0x00000000752EC000-memory.dmp

Filesize
304KB

Download
memory/1088-6-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/1088-5-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1088-4-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/1088-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1088-8-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1088-3-0x00000000052B0000-0x0000000005342000-memory.dmp

Filesize
584KB

Download
memory/1088-7-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1088-2-0x0000000005860000-0x0000000005E04000-memory.dmp

Filesize
5.6MB

Download
memory/1088-1-0x0000000000780000-0x0000000000832000-memory.dmp

Filesize
712KB

Download
memory/1088-47-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1088-10-0x0000000002C30000-0x0000000002C80000-memory.dmp

Filesize
320KB

Download
memory/1088-9-0x00000000056D0000-0x00000000056EC000-memory.dmp

Filesize
112KB

Download
memory/1156-73-0x0000000007CC0000-0x000000000833A000-memory.dmp

Filesize
6.5MB

Download
memory/1156-97-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1156-68-0x0000000007520000-0x00000000075C3000-memory.dmp

Filesize
652KB

Download
memory/1156-51-0x00000000752A0000-0x00000000752EC000-memory.dmp

Filesize
304KB

Download
memory/1156-74-0x0000000007680000-0x000000000769A000-memory.dmp

Filesize
104KB

Download
memory/1156-75-0x00000000076F0000-0x00000000076FA000-memory.dmp

Filesize
40KB

Download
memory/1156-76-0x0000000007900000-0x0000000007996000-memory.dmp

Filesize
600KB

Download
memory/1156-77-0x0000000007880000-0x0000000007891000-memory.dmp

Filesize
68KB

Download
memory/1156-50-0x00000000072E0000-0x0000000007312000-memory.dmp

Filesize
200KB

Download
memory/1156-48-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/1156-25-0x0000000005590000-0x00000000055B2000-memory.dmp

Filesize
136KB

Download
memory/1156-31-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/1156-15-0x0000000002A30000-0x0000000002A66000-memory.dmp

Filesize
216KB

Download
memory/1156-44-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1156-43-0x0000000005EA0000-0x00000000061F4000-memory.dmp

Filesize
3.3MB

Download
memory/1156-61-0x00000000072C0000-0x00000000072DE000-memory.dmp

Filesize
120KB

Download
memory/1156-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1156-32-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/1156-17-0x0000000005620000-0x0000000005C48000-memory.dmp

Filesize
6.2MB

Download
memory/2736-45-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2944-110-0x0000000005430000-0x0000000005784000-memory.dmp

Filesize
3.3MB

Download
memory/2944-121-0x0000000005AF0000-0x0000000005B3C000-memory.dmp

Filesize
304KB

Download
memory/2944-122-0x00000000710D0000-0x000000007111C000-memory.dmp

Filesize
304KB

Download
memory/2944-132-0x0000000006D10000-0x0000000006DB3000-memory.dmp

Filesize
652KB

Download
memory/2944-133-0x0000000006FE0000-0x0000000006FF1000-memory.dmp

Filesize
68KB

Download
memory/2944-134-0x0000000007040000-0x0000000007054000-memory.dmp

Filesize
80KB

Download
memory/3716-146-0x00000000064E0000-0x000000000652C000-memory.dmp

Filesize
304KB

Download
memory/3716-147-0x00000000710C0000-0x000000007110C000-memory.dmp

Filesize
304KB

Download
memory/4432-98-0x00000000752A0000-0x00000000752EC000-memory.dmp

Filesize
304KB

Download