xworm | 2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6

Analysis

max time kernel
145s
max time network
151s
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, 13:09

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General

Target
2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe
Size 67KB
Sample240612-qeba5swcnd
SHA256 2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6
MD5 a53085f566da131e85333f971652e3d6
SHA1 3b7ec64c7ffc429150abd7a827a993510477b142
SHA512 ae800ab0b46c5956511869948d21a7f60a6ea1236774a1cc9b71a702bd51ef14de605efa16ab36a5c1c2bd45ea807519de096baedae16900693d9c0eb460fddf
SSDEEP 1536:h6jdv08xPTOi7R5WZat5Wd5Skboxm1ZGEH266O6Ekor0F:hs6i7RFpkbox88EyO6FrF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

bay-cf.gl.at.ply.gg:20819:8848
188.254.126.46:8848

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4020-1-0x0000000000D70000-0x0000000000D88000-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
5088	powershell.exe
1836	powershell.exe
2296	powershell.exe
4600	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	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Roblox.lnk	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Roblox.lnk	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.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
5088	powershell.exe
5088	powershell.exe
1836	powershell.exe
1836	powershell.exe
2296	powershell.exe
2296	powershell.exe
4600	powershell.exe
4600	powershell.exe
4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe
Token: SeDebugPrivilege	5088	powershell.exe
Token: SeDebugPrivilege	1836	powershell.exe
Token: SeDebugPrivilege	2296	powershell.exe
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeDebugPrivilege	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 5088	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	95
PID 4020 wrote to memory of 5088	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	95
PID 4020 wrote to memory of 1836	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	97
PID 4020 wrote to memory of 1836	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	97
PID 4020 wrote to memory of 2296	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	99
PID 4020 wrote to memory of 2296	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	99
PID 4020 wrote to memory of 4600	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	101
PID 4020 wrote to memory of 4600	4020	2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe	101

C:\Users\Admin\AppData\Local\Temp\2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe
"C:\Users\Admin\AppData\Local\Temp\2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.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:4020
- 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\2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5088
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2b4e182346941bda5b768cb7ed97eeddc95a0ccb490ff60fa840fcc2af56ffe6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1836
- 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\Roblox'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2296
- 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:4600

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=4204,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
1⤵
PID:2304

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 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
MD5 6d42b6da621e8df5674e26b799c8e2aa
SHA1 ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA512 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 8928226805a92acd76d21e1a276176d9af3ca1ec31f14e45a2b4b88f4722cad5
MD5 da185fddf7e751e39023edde12930f37
SHA1 657fcb7fda401b69d3bb97e7b6abf126ac36d4b2
SHA512 db7bc02a1bd86d587840a56334dee9cb80aa0a8635cd2eb1c490bc5466659350de4d625f320731e34fac235016515d0dddc05a6081149dc6c2e82c262be6b975
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f358f33a42122e97c489fad7bbc8beab2eb42d42e4ec7fce0dd61fe6d8c0b8de
MD5 04f1d68afbed6b13399edfae1e9b1472
SHA1 8bfdcb687a995e4a63a8c32df2c66dc89f91a8b0
SHA512 30c5e72a8134992094d937d2588f7a503b1d6407d11afe0265b7c8b0ce14071925e5caed13fc4f9c28705df4c7aed3601f81b007048b148af274d7784aa5fb75
MD5 SHA1 SHA512

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__PSScriptPolicyTest_5srz1mpw.pka.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5srz1mpw.pka.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/4020-0-0x00007FF939B93000-0x00007FF939B95000-memory.dmp

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memory/4020-1-0x0000000000D70000-0x0000000000D88000-memory.dmp

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memory/4020-55-0x00007FF939B90000-0x00007FF93A651000-memory.dmp

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memory/4020-56-0x00007FF939B93000-0x00007FF939B95000-memory.dmp

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memory/4020-57-0x00007FF939B90000-0x00007FF93A651000-memory.dmp

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memory/5088-13-0x00007FF939B90000-0x00007FF93A651000-memory.dmp

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memory/5088-14-0x00007FF939B90000-0x00007FF93A651000-memory.dmp

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memory/5088-17-0x00007FF939B90000-0x00007FF93A651000-memory.dmp

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memory/5088-12-0x00007FF939B90000-0x00007FF93A651000-memory.dmp

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memory/5088-2-0x0000017FC6230000-0x0000017FC6252000-memory.dmp

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