xworm | 56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260

Analysis

max time kernel
293s
max time network
292s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
05-10-2024 17:51

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General

Target

Luxury Crypter‌.exe
Size

7.0MB
MD5

f52edee9472d973f7aedaa58baed96e6
SHA1

dee4734806f0a47e81627a66b2c75e5ec37b6b1a
SHA256

56747e2199faa9d6a532d07432f7f784f1ab773bfbae4bc2c4384574c035a260
SHA512

1568f66ea43208900e1800ac59946f92d426d05d00783decdce31eb088ec54cd467adf640e5b2a5388f5ee6ccd2840dfe551f9ae18c06b168a469ec18a85ef0b
SSDEEP

98304:bmurSHFk4vh9IWa/LP3Nm9Zlxne1uxetbDEgovbddnY6Jy3yH/O:b6m7P3Nm9ZWiADEp5F0R

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

146.190.110.91:3389

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7023899363:AAFEzgbfWzhyE32Lf95TKSRYEYXMd4AfMyk/sendMessage?chat_id=6354844663

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000800000001ac40-13.dat	family_xworm
behavioral1/memory/1316-15-0x0000000000A30000-0x0000000000A46000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
2364	powershell.exe
4988	powershell.exe
4876	powershell.exe
760	powershell.exe
1476	powershell.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msedgewebview2.exe.lnk	msedgewebview2.exe

Executes dropped EXE 5 IoCs

pid	Process
212	Luxury Crypter.exe
1316	svchost.exe
984	msedgewebview2.exe
828	msedgewebview2.exe
4236	msedgewebview2.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
3316	212	WerFault.exe	73

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	Luxury Crypter.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
872	timeout.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
3328	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1316	svchost.exe
828	msedgewebview2.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2364	powershell.exe
2364	powershell.exe
2364	powershell.exe
4988	powershell.exe
4988	powershell.exe
4988	powershell.exe
4876	powershell.exe
4876	powershell.exe
4876	powershell.exe
760	powershell.exe
760	powershell.exe
760	powershell.exe
1316	svchost.exe
1476	powershell.exe
1476	powershell.exe
1476	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1316	svchost.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeIncreaseQuotaPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeTakeOwnershipPrivilege	2364	powershell.exe
Token: SeLoadDriverPrivilege	2364	powershell.exe
Token: SeSystemProfilePrivilege	2364	powershell.exe
Token: SeSystemtimePrivilege	2364	powershell.exe
Token: SeProfSingleProcessPrivilege	2364	powershell.exe
Token: SeIncBasePriorityPrivilege	2364	powershell.exe
Token: SeCreatePagefilePrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeRestorePrivilege	2364	powershell.exe
Token: SeShutdownPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeSystemEnvironmentPrivilege	2364	powershell.exe
Token: SeRemoteShutdownPrivilege	2364	powershell.exe
Token: SeUndockPrivilege	2364	powershell.exe
Token: SeManageVolumePrivilege	2364	powershell.exe
Token: 33	2364	powershell.exe
Token: 34	2364	powershell.exe
Token: 35	2364	powershell.exe
Token: 36	2364	powershell.exe
Token: SeDebugPrivilege	4988	powershell.exe
Token: SeIncreaseQuotaPrivilege	4988	powershell.exe
Token: SeSecurityPrivilege	4988	powershell.exe
Token: SeTakeOwnershipPrivilege	4988	powershell.exe
Token: SeLoadDriverPrivilege	4988	powershell.exe
Token: SeSystemProfilePrivilege	4988	powershell.exe
Token: SeSystemtimePrivilege	4988	powershell.exe
Token: SeProfSingleProcessPrivilege	4988	powershell.exe
Token: SeIncBasePriorityPrivilege	4988	powershell.exe
Token: SeCreatePagefilePrivilege	4988	powershell.exe
Token: SeBackupPrivilege	4988	powershell.exe
Token: SeRestorePrivilege	4988	powershell.exe
Token: SeShutdownPrivilege	4988	powershell.exe
Token: SeDebugPrivilege	4988	powershell.exe
Token: SeSystemEnvironmentPrivilege	4988	powershell.exe
Token: SeRemoteShutdownPrivilege	4988	powershell.exe
Token: SeUndockPrivilege	4988	powershell.exe
Token: SeManageVolumePrivilege	4988	powershell.exe
Token: 33	4988	powershell.exe
Token: 34	4988	powershell.exe
Token: 35	4988	powershell.exe
Token: 36	4988	powershell.exe
Token: SeDebugPrivilege	4876	powershell.exe
Token: SeIncreaseQuotaPrivilege	4876	powershell.exe
Token: SeSecurityPrivilege	4876	powershell.exe
Token: SeTakeOwnershipPrivilege	4876	powershell.exe
Token: SeLoadDriverPrivilege	4876	powershell.exe
Token: SeSystemProfilePrivilege	4876	powershell.exe
Token: SeSystemtimePrivilege	4876	powershell.exe
Token: SeProfSingleProcessPrivilege	4876	powershell.exe
Token: SeIncBasePriorityPrivilege	4876	powershell.exe
Token: SeCreatePagefilePrivilege	4876	powershell.exe
Token: SeBackupPrivilege	4876	powershell.exe
Token: SeRestorePrivilege	4876	powershell.exe
Token: SeShutdownPrivilege	4876	powershell.exe
Token: SeDebugPrivilege	4876	powershell.exe
Token: SeSystemEnvironmentPrivilege	4876	powershell.exe
Token: SeRemoteShutdownPrivilege	4876	powershell.exe
Token: SeUndockPrivilege	4876	powershell.exe
Token: SeManageVolumePrivilege	4876	powershell.exe
Token: 33	4876	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1316	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 212	4024	Luxury Crypter‌.exe	73
PID 4024 wrote to memory of 212	4024	Luxury Crypter‌.exe	73
PID 4024 wrote to memory of 212	4024	Luxury Crypter‌.exe	73
PID 4024 wrote to memory of 1316	4024	Luxury Crypter‌.exe	74
PID 4024 wrote to memory of 1316	4024	Luxury Crypter‌.exe	74
PID 1316 wrote to memory of 2364	1316	svchost.exe	77
PID 1316 wrote to memory of 2364	1316	svchost.exe	77
PID 1316 wrote to memory of 4988	1316	svchost.exe	80
PID 1316 wrote to memory of 4988	1316	svchost.exe	80
PID 1316 wrote to memory of 4876	1316	svchost.exe	82
PID 1316 wrote to memory of 4876	1316	svchost.exe	82
PID 1316 wrote to memory of 760	1316	svchost.exe	84
PID 1316 wrote to memory of 760	1316	svchost.exe	84
PID 4024 wrote to memory of 984	4024	Luxury Crypter‌.exe	86
PID 4024 wrote to memory of 984	4024	Luxury Crypter‌.exe	86
PID 984 wrote to memory of 3328	984	msedgewebview2.exe	89
PID 984 wrote to memory of 3328	984	msedgewebview2.exe	89
PID 984 wrote to memory of 1476	984	msedgewebview2.exe	90
PID 984 wrote to memory of 1476	984	msedgewebview2.exe	90
PID 984 wrote to memory of 828	984	msedgewebview2.exe	94
PID 984 wrote to memory of 828	984	msedgewebview2.exe	94
PID 984 wrote to memory of 4416	984	msedgewebview2.exe	95
PID 984 wrote to memory of 4416	984	msedgewebview2.exe	95
PID 4416 wrote to memory of 872	4416	cmd.exe	97
PID 4416 wrote to memory of 872	4416	cmd.exe	97

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\Luxury Crypter‌.exe
"C:\Users\Admin\AppData\Local\Temp\Luxury Crypter‌.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Users\Admin\AppData\Local\Temp\Luxury Crypter.exe
  "C:\Users\Admin\AppData\Local\Temp\Luxury Crypter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 700
    3⤵
    - Program crash
    PID:3316
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1316
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2364
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4988
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4876
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:760
- C:\ProgramData\msedgewebview2.exe
  "C:\ProgramData\msedgewebview2.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks.exe" /create /tn msedgewebview2 /tr "C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe" /st 17:57 /du 23:59 /sc daily /ri 1 /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3328
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\ACCApi'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:1476
- - C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe
    "C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    PID:828
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC10E.tmp.cmd""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4416
  - - C:\Windows\system32\timeout.exe
      timeout 6
      4⤵
      Delays execution with timeout.exe
      PID:872

C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe
C:\Users\Admin\AppData\Local\ACCApi\msedgewebview2.exe
1⤵
- Executes dropped EXE
PID:4236

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\msedgewebview2.exe.log

Filesize
660B

MD5
6f8201778bb230fb0ac7c8b78a134a12

SHA1
06570db78997747dd80e558a483d29af167f43c5

SHA256
984fcdb20fcd38e921511def1e720e36c7a20887010f4f5035b0a6b24c75148f

SHA512
86ebbb74d94c382073f4481bb3a4c0747b801753adba15ee36c97dc8b09827e7a29b46209b559c1ab4fa836fbbe6a90b0339e97ed9d5d4856179604e380f2254

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

Filesize
3KB

MD5
ad5cd538ca58cb28ede39c108acb5785

SHA1
1ae910026f3dbe90ed025e9e96ead2b5399be877

SHA256
c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033

SHA512
c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13

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

Filesize
1KB

MD5
7239d990aa52025e40fd42acfe5214c4

SHA1
4fb62afab54b95c0d06e836ae4dbaecddfc60fd3

SHA256
99c45caac633ae4eebdb1243f729ce6a54a9f0229913830b8c500c120916cdad

SHA512
c53e0eff839d3bb12d5692805c148d50d642083d38f5ef0c273f04e2c6c41a4656b980bdae9dad7d438021dd76dcb4c1118e11f1486c9b4ba4313a774ba6fc26

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

Filesize
1KB

MD5
11b6511c0ca29fcfff13f0bc4a57ef6d

SHA1
00e221c11d27fbfcd0c32a628cb69eeebe927116

SHA256
04571f4823c89ad36b1ad416e9d98222f603fa37eebbbd4914edf9248b8e102d

SHA512
5cdad62e62452abac4f8a19dbc816a7db37afcc0a47ed1e40813fc6a5600f431789cc040f1990d4e9d391945e3cc5011b152b875a863b3e46db1c7b61dcfe312

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

Filesize
1KB

MD5
fad4e55913a3f37bbc17e86f9cc8be25

SHA1
96e81d722a7b47690f686c2b39ac4fa0a69801ac

SHA256
4b4ffc92138dcf42a4dec4d6e707f19e5c53b55de93a1aa75097ab72048352a1

SHA512
b2c9e040178f1a0f638ec01a089863bfc79c9a3492f20ff372ffb8ad88f29e98128ddb553b3025a8877514aa852ea3153066b55fad7225370b527cfa76b44f14

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

Filesize
1KB

MD5
d9b6645e99293eb9127d883997861652

SHA1
0c01f8cf9a9e4ab8f175cf64a4c5a175d5ffa318

SHA256
b2e042e19659de6cbb334f3f37317e4cb2fa0fce1d8d501c4a4490f1775c0a5b

SHA512
46c0304708d27cfaa88cc37d54cde7176a2ececb0e9f3425d436a1dbb58caef30c512a36f4a305a01deafa9a0d82bd625a59ae7cc4a09afe7e00e6aecef4c8f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Luxury Crypter.exe

Filesize
8.8MB

MD5
9c55d8c0b720f652e4ad3753e9939b99

SHA1
ee69da72e65d44638f352791b2114887e2110384

SHA256
44a220f92ce2822d3d8e9c7ded429c9e53f650224759c8ec75c49706716fda77

SHA512
ea88bcf9b289ef4b2ba34f3b7818aee672867418d4e8fb29d5fac99688e30babfc21a7279151397ef47f8d852b8129ed63a42eec7e1a5bd598c744af9da320b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k0haz44s.53i.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC10E.tmp.cmd

Filesize
147B

MD5
e836bc45d98cc54431172ca3ca9bc586

SHA1
c653ea82e187bcdfe551f68a08e1d6f63f786473

SHA256
bec3cd71626cd3b66a74d3b8eebf33695f3aeb51524acaaddb3c39ae513ed20f

SHA512
e39c1af633b2c991d87cd170bcabf57b1e2fbb94ef74559102815f0afa1a736696a7bb062a6a5d6bc07b120b74ce518663abc036325ab9ca3f292920a7dc9726

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
67KB

MD5
39f4793e3bd69fde3059e02b84875bef

SHA1
4ae174ff10e05e7946c6220b2ef7565830596b3c

SHA256
eee698d53132459d85ad39ef66c6b33769dbf69469a346a1ea26c13eebfb4102

SHA512
4642ba370d794ffc0dac13a84f8ea3501f9a88a0d2584daecbb340b92cce1dd14c46b7d9d5f4a27a60c1365584f995aa7e93fdc70c4775425f5b3590f6eeec50

Download Submit
memory/212-17-0x000000007320E000-0x000000007320F000-memory.dmp

Filesize
4KB

Download
memory/212-18-0x0000000000CF0000-0x00000000015CA000-memory.dmp

Filesize
8.9MB

Download
memory/984-205-0x0000016B59AB0000-0x0000016B59AF2000-memory.dmp

Filesize
264KB

Download
memory/1316-15-0x0000000000A30000-0x0000000000A46000-memory.dmp

Filesize
88KB

Download
memory/1316-254-0x000000001BD00000-0x000000001BE00000-memory.dmp

Filesize
1024KB

Download
memory/1316-263-0x0000000002F30000-0x0000000002F3C000-memory.dmp

Filesize
48KB

Download
memory/1316-16-0x00007FFF34730000-0x00007FFF3511C000-memory.dmp

Filesize
9.9MB

Download
memory/1316-199-0x000000001BD00000-0x000000001BE00000-memory.dmp

Filesize
1024KB

Download
memory/1316-207-0x00007FFF34730000-0x00007FFF3511C000-memory.dmp

Filesize
9.9MB

Download
memory/2364-23-0x000002C0C4E20000-0x000002C0C4E42000-memory.dmp

Filesize
136KB

Download
memory/2364-26-0x000002C0DD430000-0x000002C0DD4A6000-memory.dmp

Filesize
472KB

Download
memory/4024-0-0x00007FFF34733000-0x00007FFF34734000-memory.dmp

Filesize
4KB

Download
memory/4024-206-0x00007FFF34730000-0x00007FFF3511C000-memory.dmp

Filesize
9.9MB

Download
memory/4024-200-0x00007FFF34730000-0x00007FFF3511C000-memory.dmp

Filesize
9.9MB

Download
memory/4024-2-0x00007FFF34730000-0x00007FFF3511C000-memory.dmp

Filesize
9.9MB

Download
memory/4024-1-0x00000000007E0000-0x0000000000EE8000-memory.dmp

Filesize
7.0MB

Download
memory/4024-149-0x00007FFF34733000-0x00007FFF34734000-memory.dmp

Filesize
4KB

Download