xworm | 58ae20c2291a491ccebdcb2ad1193990f516f76ccc19d3e3a2caa235806cdc0c

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 09:57

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General

Target
RobloxHelper.exe
Size 76KB
Sample240612-lyz2dstgpj
SHA256 58ae20c2291a491ccebdcb2ad1193990f516f76ccc19d3e3a2caa235806cdc0c
MD5 848a7bf307aaab3a58e38e3d02c777af
SHA1 0a62d39988a445f4aa5a5f33e5ddfc17d5d0332e
SHA512 346dcbf545064245c8938d0832b2ae27dbd3eae6eec42ae4948655ff7d46b233cb0e04c673c0c48e095f4a29a4b2fe64379df8d69b9e59037929dd0fd2e71c31
SSDEEP 1536:aoxFJUarDmWf50VbDBFt+bmaTZ+hzLmJ726BPgFOAzwx9HdS1EAd8IIo:JyLpt+bVdGziJtIFOka9gEA6IIo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

188.254.126.46:7777
https://playit.gg/account/agents/7527f818-e840-4e50-923c-09d55cce96a3:7777

Attributes

Install_directory
%Temp%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4180-1-0x0000000000410000-0x000000000042A000-memory.dmp	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
1448	powershell.exe
4864	powershell.exe
380	powershell.exe
4872	powershell.exe

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	RobloxHelper.exe

Drops startup file 2 IoCs

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1448	powershell.exe
1448	powershell.exe
4864	powershell.exe
4864	powershell.exe
380	powershell.exe
380	powershell.exe
4872	powershell.exe
4872	powershell.exe
4180	RobloxHelper.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4180	RobloxHelper.exe
Token: SeDebugPrivilege	1448	powershell.exe
Token: SeDebugPrivilege	4864	powershell.exe
Token: SeDebugPrivilege	380	powershell.exe
Token: SeDebugPrivilege	4872	powershell.exe
Token: SeDebugPrivilege	4180	RobloxHelper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4180	RobloxHelper.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 1448	4180	RobloxHelper.exe	93
PID 4180 wrote to memory of 1448	4180	RobloxHelper.exe	93
PID 4180 wrote to memory of 4864	4180	RobloxHelper.exe	95
PID 4180 wrote to memory of 4864	4180	RobloxHelper.exe	95
PID 4180 wrote to memory of 380	4180	RobloxHelper.exe	97
PID 4180 wrote to memory of 380	4180	RobloxHelper.exe	97
PID 4180 wrote to memory of 4872	4180	RobloxHelper.exe	100
PID 4180 wrote to memory of 4872	4180	RobloxHelper.exe	100

C:\Users\Admin\AppData\Local\Temp\RobloxHelper.exe
"C:\Users\Admin\AppData\Local\Temp\RobloxHelper.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4180
- 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\RobloxHelper.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1448
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RobloxHelper.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4864
- 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\Roblox'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:380
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Roblox'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4872

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 --field-trial-handle=3404,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8
1⤵
PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05
MD5 3a6bad9528f8e23fb5c77fbd81fa28e8
SHA1 f127317c3bc6407f536c0f0600dcbcf1aabfba36
SHA512 846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 6b0a5b814d1069345a3d3705e1ff397a3e8f7f76947af1eb35d30dda2a4119fb
MD5 6975516edb8086851bbf301fdb124972
SHA1 c1e669c0596e8f732d922083412de1edde019116
SHA512 ff3fc12b941dfd7cf95d671f18dc6884a3b96559172c987b78fb09b77b9d02bafa80894c9272abbcd2318cfe620588d4a1acb2a6a0f214f98772433ffa3ae1d2
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
MD5 34f595487e6bfd1d11c7de88ee50356a
SHA1 4caad088c15766cc0fa1f42009260e9a02f953bb
SHA512 10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b
MD5 SHA1 SHA512

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__PSScriptPolicyTest_hcdrojpg.al5.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hcdrojpg.al5.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1448-7-0x000001D6EA350000-0x000001D6EA372000-memory.dmp

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memory/1448-16-0x00007FFFE6240000-0x00007FFFE6D01000-memory.dmp

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memory/1448-13-0x00007FFFE6240000-0x00007FFFE6D01000-memory.dmp

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memory/1448-12-0x00007FFFE6240000-0x00007FFFE6D01000-memory.dmp

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memory/4180-0-0x00007FFFE6243000-0x00007FFFE6245000-memory.dmp

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memory/4180-1-0x0000000000410000-0x000000000042A000-memory.dmp

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memory/4180-54-0x00007FFFE6240000-0x00007FFFE6D01000-memory.dmp

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memory/4180-55-0x00007FFFE6243000-0x00007FFFE6245000-memory.dmp

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memory/4180-56-0x00007FFFE6240000-0x00007FFFE6D01000-memory.dmp

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