xworm | hxxps://gofile[.]io/d/Q924y6

Analysis

max time kernel
200s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2024 19:33

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General

Target

https://gofile.io/d/Q924y6

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:7000

moving-agenda.gl.at.ply.gg:7000

Attributes

Install_directory
%ProgramData%
install_file
conhost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/3016-1-0x0000000000E20000-0x0000000000E38000-memory.dmp	family_xworm
behavioral1/files/0x000700000001e32b-65.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
3336	powershell.exe
3380	powershell.exe
940	powershell.exe
2852	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\conhost.lnk	XClient2exe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\conhost.lnk	XClient2exe.exe

Executes dropped EXE 3 IoCs

pid	Process
1516	conhost.exe
2612	conhost.exe
4996	conhost.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\ProgramData\\conhost.exe"	XClient2exe.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
108	ip-api.com

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3336	powershell.exe
3336	powershell.exe
3336	powershell.exe
3380	powershell.exe
3380	powershell.exe
3380	powershell.exe
940	powershell.exe
940	powershell.exe
940	powershell.exe
2852	powershell.exe
2852	powershell.exe
2852	powershell.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe
3016	XClient2exe.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	XClient2exe.exe
Token: SeDebugPrivilege	3336	powershell.exe
Token: SeDebugPrivilege	3380	powershell.exe
Token: SeDebugPrivilege	940	powershell.exe
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	3016	XClient2exe.exe
Token: SeDebugPrivilege	2020	XClient2exe.exe
Token: SeDebugPrivilege	1516	conhost.exe
Token: SeDebugPrivilege	2612	conhost.exe
Token: SeDebugPrivilege	4996	conhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3016	XClient2exe.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3336	3016	XClient2exe.exe	112
PID 3016 wrote to memory of 3336	3016	XClient2exe.exe	112
PID 3016 wrote to memory of 3380	3016	XClient2exe.exe	114
PID 3016 wrote to memory of 3380	3016	XClient2exe.exe	114
PID 3016 wrote to memory of 940	3016	XClient2exe.exe	116
PID 3016 wrote to memory of 940	3016	XClient2exe.exe	116
PID 3016 wrote to memory of 2852	3016	XClient2exe.exe	118
PID 3016 wrote to memory of 2852	3016	XClient2exe.exe	118
PID 3016 wrote to memory of 4804	3016	XClient2exe.exe	120
PID 3016 wrote to memory of 4804	3016	XClient2exe.exe	120

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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://gofile.io/d/Q924y6
1⤵
PID:4068

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3600 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:1
1⤵
PID:1776

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=4524 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:1
1⤵
PID:2264

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4472 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:4188

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=5264 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:1
1⤵
PID:1764

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=5840 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:1
1⤵
PID:3472

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=5664 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1912

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --mojo-platform-channel-handle=5592 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:1
1⤵
PID:2432

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --no-appcompat-clear --mojo-platform-channel-handle=5348 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:460

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=25 --mojo-platform-channel-handle=5472 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:1
1⤵
PID:984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=6412 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:4324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --mojo-platform-channel-handle=6608 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:3800

C:\Users\Admin\Downloads\XClient2exe.exe
"C:\Users\Admin\Downloads\XClient2exe.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Downloads\XClient2exe.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3336
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient2exe.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3380
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\conhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'conhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "conhost" /tr "C:\ProgramData\conhost.exe"
  2⤵
  - Creates scheduled task(s)
  PID:4804

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5416 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:3372

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=6616 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1368

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4996

C:\Users\Admin\Downloads\XClient2exe.exe
"C:\Users\Admin\Downloads\XClient2exe.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2020

C:\ProgramData\conhost.exe
C:\ProgramData\conhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1516

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5572 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:5080

C:\ProgramData\conhost.exe
C:\ProgramData\conhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2612

C:\ProgramData\conhost.exe
C:\ProgramData\conhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\conhost.exe

Filesize
68KB

MD5
e7828914e36bf0d4bcdbc82600f3e01b

SHA1
0e108da606c84dda286f21fd6684cc1174ec1be7

SHA256
fa34ba29e41faff82f243305b749ee9510bacc6ec270d025f0b22060bc61740e

SHA512
81a74e405bd3b7d42092c506bbd4e8190f5e691cc59c1b6e94e4ad2020a347d6f8a50e526fcf73b070efc5a531160e1b44473ac96d21c700a834ca8fd32b0426

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

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
ef72c47dbfaae0b9b0d09f22ad4afe20

SHA1
5357f66ba69b89440b99d4273b74221670129338

SHA256
692ec20c7039170fb199510f0436181fd155e6b4516d4d1c9e1675adf99aaa7f

SHA512
7514b6bc8dc39fa618223300be27cd535dc35b18c66b4a089e2302e72b3e0cac06d88a989fa1296feb386b3cbe2084019df6430c7f895071b76e04ce559a30b4

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

Filesize
944B

MD5
ab24765a7393bd3cef8acbf0a617fba2

SHA1
ef2c12a457a11f6204344afed09a39f4d3e803cb

SHA256
3a03c7efabe880ae9f283b1cf373d3f09d07ab619028319b3599b643ae140d47

SHA512
e16306674a8c89f54467d7fba3857e1e0bdf3729f5de9f4451520cfbddfa535c4d653dde6efcac38efd693e9b3e4965fcd08c559e720c372feca65050b46e355

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_umk3stip.ozx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/940-46-0x00000247DC760000-0x00000247DC8AE000-memory.dmp

Filesize
1.3MB

Download
memory/2852-58-0x0000027FA7150000-0x0000027FA729E000-memory.dmp

Filesize
1.3MB

Download
memory/3016-64-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3016-63-0x00007FFC21C53000-0x00007FFC21C55000-memory.dmp

Filesize
8KB

Download
memory/3016-0-0x00007FFC21C53000-0x00007FFC21C55000-memory.dmp

Filesize
8KB

Download
memory/3016-2-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3016-1-0x0000000000E20000-0x0000000000E38000-memory.dmp

Filesize
96KB

Download
memory/3336-12-0x000001436C6E0000-0x000001436C702000-memory.dmp

Filesize
136KB

Download
memory/3336-21-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3336-20-0x000001436C710000-0x000001436C85E000-memory.dmp

Filesize
1.3MB

Download
memory/3336-17-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3336-16-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3336-15-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3336-14-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3336-13-0x00007FFC21C50000-0x00007FFC22711000-memory.dmp

Filesize
10.8MB

Download
memory/3380-34-0x0000022FE5470000-0x0000022FE55BE000-memory.dmp

Filesize
1.3MB

Download